JP6497205B2 - Wireless communication device - Google Patents

Description

  The present invention relates to a wireless communication device, a wireless communication method, a program, and a wireless communication system.

  Various proposals or practical use have been made of wireless communication apparatuses that transmit interference waves for interfering with communication.

  For example, the time slot (frequency and frequency) of the master station of the second wireless communication apparatus in the TDMA (time division multiple access method) communication wave is measured and analyzed by measuring and analyzing the appearance frequency, the appearance time, and the arrival direction of the communication wave. It has been proposed as a first related technique related to the present invention to detect a time zone) and transmit an interfering wave during a time slot used by a master station (see, for example, Patent Document 1).

  Further, the TDMA communication wave transmitted and received by the second wireless communication apparatus is detected by measuring and analyzing the appearance frequency and the appearance time of the communication wave, and the interference wave is concentrated on the same frequency band as the TDMA communication wave. Has been proposed as a second related technique related to the present invention (see, for example, Patent Document 2). In the second related technology, the frequency of the TDMA communication wave of the friend that is transmitted and received by the first wireless communication device is set in advance, and the TDMA communication wave of that frequency is excluded from the communication wave to be disturbed. Only the TDMA communication transmitted and received by the second wireless communication apparatus can be effectively blocked without interfering with the TDMA communication transmitted and received by the first wireless communication apparatus.

  On the other hand, in a wireless communication apparatus using a spread spectrum wireless communication system, a technique for securing stable wireless communication by avoiding this when a disturbance from other wireless facilities is received is a third related to the present invention. (For example, refer to Patent Document 3). Specifically, in the third related technology, the device itself detects and avoids the frequency of interference waves output from other wireless equipment such as a microwave oven, medical equipment, security radio, etc. in real time. In the case where the frequency of the interference wave can be predicted and the frequency fluctuation of the interference wave can be predicted, the frequency is changed in advance to a frequency that can avoid the predictable interference wave, thereby reducing the influence of the interference wave. This third related technique is a technique for avoiding the influence of interference waves transmitted from other radio equipment, and is used to disturb the communication waves of other radio communication devices. It is not a technique for avoiding the impact.

JP 2011-2111374 A JP 2000-295203 A JP 2006-67462 A

  According to the first related technology related to the present invention, the TDMA communication by the second wireless communication device can be blocked by blocking the communication wave transmitted by the second wireless communication device. There is a possibility that the communication of the ally is disabled. The reason is that no consideration is given to the influence of the interference wave on the communication of the first wireless communication device of the friend.

  On the other hand, in the second related technology related to the present invention, the TDMA communication wave of the frequency used by the first wireless communication apparatus of the friend is excluded from the communication wave to be disturbed. The TDMA communication of the second enemy wireless communication device can be effectively interrupted without interfering with the TDMA communication of the device. However, in the second related technology, when the frequencies used by the first wireless communication device and the second wireless communication device overlap, the second wireless communication device enables communication of the first wireless communication device. Cannot interfere with communication.

  The object of the present invention is to solve the above-described problem, that is, when the frequencies used by the first wireless communication device and the second wireless communication device overlap, the second wireless communication device enables communication of the first wireless communication device. An object of the present invention is to provide a wireless communication apparatus that solves the problem that communication of a communication apparatus cannot be interrupted.

A wireless communication device according to an embodiment of the present invention includes:
A wireless communication device that performs wireless communication with a first wireless communication device,
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the first wireless communication device according to the second schedule;
including.

A wireless communication method according to another embodiment of the present invention includes:
A wireless communication method executed by a wireless communication device that performs wireless communication with a first wireless communication device,
Determining a first schedule for transmitting an interfering wave for interfering with the communication of the second wireless communication device;
Based on the first schedule, determine a second schedule for performing wireless communication with the first wireless communication device without being affected by the interference wave,
The jamming wave is transmitted according to the first schedule, and wireless communication is performed with the first wireless communication apparatus according to the second schedule.

A program according to another embodiment of the present invention is:
A computer that performs wireless communication with the first wireless communication device;
A jamming wave transmission means for determining a first schedule for sending a jamming wave for jamming communication of the second wireless communication apparatus, and for sending the jamming wave according to the first schedule;
Determining means for determining a second schedule for performing wireless communication with the first wireless communication apparatus based on the first schedule without being affected by the interference wave;
Wireless communication means for performing wireless communication with the first wireless communication device according to the second schedule;
And make it work.

A wireless communication system according to another embodiment of the present invention includes:
A wireless communication system including a plurality of first wireless communication devices that perform wireless communication with each other,
At least one of the first wireless communication devices is
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the other first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the other first wireless communication device according to the second schedule;
including.

  Since the present invention has the above-described configuration, communication between the first wireless communication apparatus and the first wireless communication apparatus can be performed even when the frequencies used by the first wireless communication apparatus and the second wireless communication apparatus overlap. However, the communication of the second wireless communication device can be interrupted.

1 is a block diagram of a wireless communication apparatus according to a first embodiment of the present invention. It is a block diagram of the radio | wireless communication apparatus which performs TDMA communication between the radio | wireless communication apparatuses which concern on the 1st Embodiment of this invention. It is a figure which shows an example of the environment where the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention operate | moves. It is a figure which shows an example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains. It is a conceptual diagram which shows an example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows an example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a conceptual diagram which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a conceptual diagram which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a conceptual diagram which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a conceptual diagram which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a figure which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains. It is a conceptual diagram which shows the other example of the communication schedule which the radio | wireless communication apparatus which concerns on the 1st Embodiment of this invention hold | maintains, the transmission schedule of an interference wave, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 1st Embodiment of this invention produced. It is a block diagram of the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention. It is a block diagram of the radio | wireless communication apparatus which performs CSMA communication between the radio | wireless communication apparatuses which concern on the 2nd Embodiment of this invention. It is a figure which shows an example of the environment where the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention operate | moves. It is a figure which shows an example of the communication schedule which the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention hold | maintains. It is a conceptual diagram which shows an example of the transmission schedule of the jamming wave which the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention produced, and the improved communication schedule. It is a figure which shows an example of the improvement plan of the communication schedule which the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention produced. It is a conceptual diagram which shows the other example of the transmission schedule of the jamming wave which the radio | wireless communication apparatus which concerns on the 2nd Embodiment of this invention produced, and the improved communication schedule. It is a figure which shows the other example of the improvement plan of the communication schedule which the radio | wireless communication apparatus concerning the 2nd Embodiment of this invention produced. It is a block diagram of the radio | wireless communication apparatus which concerns on the 3rd Embodiment of this invention.

Next, embodiments of the present invention will be described in detail with reference to the drawings.
[First embodiment]
FIG. 1 is a block diagram of a wireless communication apparatus 100 according to the first embodiment of the present invention. The wireless communication device 100 has a TDMA communication function. The wireless communication device 100 has a function of transmitting an interference wave for interfering with communication of a wireless communication device other than a predetermined wireless communication device (hereinafter referred to as an enemy wireless communication device). The wireless communication device 100 includes, as main components, an antenna 101, a wireless communication receiver 102, a wireless communication transmitter 103, a wireless communication controller 104, a TDMA communication database 105, an antenna 106, a radio wave monitoring receiver 107, and an interference signal. It has a transmitter 108, an interference wave controller 109, an interference effect analyzer 110, an improvement measure creator 111, and an improvement measure register 112.

  The antenna 101 is an antenna that transmits and receives TDMA communication waves. The wireless communication receiver 102 is a unit that performs reception processing of the TDMA communication wave received by the antenna 101 and transmits the processing result to the wireless communication controller 104. The wireless communication transmitter 103 is a unit that performs transmission processing of transmission data received from the wireless communication controller 104 and transmits a TDMA communication wave as a processing result from the antenna 101. The wireless communication controller 104 is a TDMA communication control unit that controls the wireless communication receiver 102 and the wireless communication transmitter 103. The TDMA communication database 105 is a unit that stores a communication schedule such as a time slot and a used frequency used by transmission / reception units that communicate with each other by TDMA communication. In TDMA communication, time is divided in units of frames composed of a plurality of time slots, and the same communication is performed in the same time slot of each frame. That is, the communication partner, frequency used, communication time, and the like of communication performed in the same time slot of two frames before and after are basically the same. For this reason, the TDMA communication database 105 stores a communication schedule for one frame used in common for each frame.

  The antenna 101, the wireless communication receiver 102, the wireless communication transmitter 103, the wireless communication controller 104, and the TDMA communication database 105 constitute a TDMA communication device 120. The TDMA communication device 120 can be realized by hardware as well as a computer and a program. The program is stored in a magnetic disk device or a semiconductor memory, and is read by the computer when the computer is started up and the operation of the computer is controlled, so that the wireless communication receiver 102, the wireless communication transmitter 103, the wireless Functional means such as the communication controller 104 and the TDMA communication database 105 are realized.

  The antenna 106 is a receiving antenna for receiving various communication waves existing in the air and a transmitting antenna for transmitting jamming waves. The radio wave monitoring receiver 107 is a unit that performs reception processing of the communication wave received by the antenna 106 and transmits the processing result to the interference wave controller 109. The jamming transmitter 108 is a unit that performs a process of sending a jamming wave from the antenna 106 to jam the communication of the enemy radio communication device. The interference wave controller 109 is a unit that controls the radio wave monitoring receiver 107 and the interference transmitter 108. The interference wave controller 109 controls the radio wave monitoring receiver 107 to analyze the frequency and existence period of various communication waves (particularly enemy waves) existing in the air, and transmits the interference wave based on the analysis result. Has the function of determining the schedule. The jamming wave transmission schedule includes the start time and end time of the jamming wave transmission period, and when the jamming wave is intermittently transmitted within the sending period, the jamming wave transmission is interrupted and resumed, The frequency used for the wave is described. The interference wave controller 109 has a function of controlling the interference transmitter 108 and transmitting the interference wave from the antenna 106 in accordance with the determined transmission schedule.

  The antenna 106, the radio wave monitoring receiver 107, the jamming transmitter 108, and the jamming wave controller 109 constitute the jamming wave transmitter 130. The jammer transmitter 130 can be realized by hardware, or by a computer and a program. The program is stored in a magnetic disk device or a semiconductor memory, and is read by the computer when the computer is started up and the operation of the computer is controlled, so that the radio wave monitoring receiver 107, the jamming transmitter 108, Also, functional means such as the interference wave controller 109 are realized.

  The interference wave influence analyzer 110 is a unit that analyzes the influence of the interference wave transmitted from the interference wave transmitter 130 on the TDMA communication by the TDMA communication device 120. The interference wave influence analyzer 110 compares the communication schedule of the TDMA communication held in the TDMA communication database 105 with the transmission schedule of the interference wave created by the interference wave controller 109 along the time axis, and the interference wave is detected as TDMA. It has a function of determining whether or not to affect communication. In order to adjust the time axis, the interference wave influence analyzer 110 acquires TDMA communication timing information from the radio communication controller 104 as necessary. In addition, when the interference wave affects TDMA communication, the interference wave influence analyzer 110 determines a communication schedule of TDMA communication and a transmission schedule of the interference wave in which a schedule section (hereinafter referred to as an influence period) affected by the interference wave is affected. It has a function of transmitting to the improvement measure creator 111.

  The improvement measure creator 111 is a unit that creates a TDMA communication schedule that is not affected by the interference wave as an improvement measure from the TDMA communication schedule that specifies the influence period based on the interference wave transmission schedule. The improvement measure creator 111 creates an improvement measure according to the following policy, for example, and transmits the created improvement measure to the improvement measure register 112.

<Improvement policy 1>
The improvement measure creator 111 improves the communication schedule of TDMA communication by changing the communication performed in the influence period to another time slot that is not used for any communication and does not overlap the transmission period of the jamming wave. Decide on a strategy.
<Improvement policy 2>
The improvement measure creator 111 changes the communication performed in the influence period to another time slot that is used in the communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave. Determine improvement measures from the communication schedule.
<Improvement policy 3>
The improvement measure creator 111 determines an improvement measure from the communication schedule of TDMA communication by changing the frequency used in the communication performed in the influence period to a frequency not affected by the interference wave in units of time slots. The frequency that is not affected by the interference wave needs to be at least a frequency that does not overlap with the frequency of the interference wave. Further, the frequency adjacent to the frequency of the jamming wave cannot be communicated due to the influence of the jamming wave. For this reason, the frequency that is not affected by the interference wave needs to be separated from the frequency of the interference wave by a predetermined frequency.
<Improvement policy 4>
The improvement measure creator 111 determines the improvement measure from the communication schedule of the TDMA communication by changing the communication performed in the influence period to a period that does not overlap the transmission period of the interference wave in the same time slot.

  The improvement measure register 112 is a unit for registering the improvement measure in the TDMA communication database 105 of the own wireless communication device 100 and the TDMA communication database of other wireless communication devices that are in TDMA communication with the own wireless communication device 100. The improvement measure register 112 notifies the wireless communication controller 104 of the improvement measure, and through this wireless communication controller 104, the TDMA communication database 105 of the own wireless communication device 100 and the TDMA communication with the own wireless communication device 100 are performed. The improvement measure is registered in the TDMA communication database of the wireless communication apparatus. However, the improvement measure register 112 may directly access the TDMA communication database 105 and register the improvement measure in the TDMA communication database 105. Further, the registration of the improvement measure to another wireless communication apparatus is not limited to the TDMA communication. When the wireless communication device 100 can communicate with other wireless communication devices by a communication method other than TDMA communication, the other communication method is used to notify the other wireless communication device of the improvement measure and register it. It may be. Further, the notification of the improvement measure may be notified of the difference from the communication schedule stored in the TDMA communication databases 105 and 205 instead of notifying the improvement measure itself.

  The interference wave influence analyzer 110, the improvement measure creation unit 111, and the improvement measure registration unit 112 described above constitute a determinator 140. The determinator 140 can be realized not only by hardware but also by a computer and a program. The program is stored in a magnetic disk device or a semiconductor memory, read by the computer when the computer is started up, etc., and controls the operation of the computer, so that the interference wave effect analyzer 110, the improvement measure creator 111, Also, functional means such as the improvement measure register 112 are realized.

  FIG. 2 is a block diagram of a wireless communication apparatus 200 that performs TDMA communication with the wireless communication apparatus 100. The wireless communication device 200 includes an antenna 201, a wireless communication receiver 202, a wireless communication transmitter 203, a wireless communication controller 204, a TDMA communication database 205, and an improvement measure register 206 as main components.

  The antenna 201 is an antenna that transmits and receives TDMA communication waves. The wireless communication receiver 202 is a unit that performs reception processing of the TDMA communication wave received by the antenna 201 and transmits the processing result to the wireless communication controller 204. The wireless communication transmitter 203 is a unit that performs transmission processing of transmission data received from the wireless communication controller 204 and transmits a TDMA communication wave as a processing result from the antenna 201. The wireless communication controller 204 is a TDMA communication control unit that controls the wireless communication receiver 202 and the wireless communication transmitter 203. The TDMA communication database 205 is a unit that stores communication schedules such as time slots and frequencies used by transmission / reception units that communicate with each other by TDMA communication. The antenna 201, the wireless communication receiver 202, the wireless communication transmitter 203, the wireless communication controller 204, and the TDMA communication database 205 constitute a TDMA communication device 220.

  The improvement measure registration unit 206 is a unit that registers, in the TDMA communication database 205, an improvement measure related to the communication schedule of TDMA communication notified from the wireless communication apparatus 100. The improvement measures transmitted from the wireless communication apparatus 100 by TDMA communication are received by the wireless communication receiver 202 and transmitted to the wireless communication controller 204. The wireless communication controller 204 transmits the transmitted improvement measure to the improvement measure register 206, which is one of the higher-level devices. The improvement measure register 206 acquires this improvement measure and registers it in the TDMA communication database 205. The improvement measure registration unit 206 constitutes an improvement measure registration unit 240.

  Next, more detailed configurations and operations of the wireless communication apparatus 100 and the wireless communication apparatus 200 according to the present embodiment will be described. As an operating environment, as shown in FIG. 3, a situation is assumed in which a wireless communication device 100 and two wireless communication devices 200 (one is denoted as 200A and the other as 200B) perform TDMA communication with each other. Further, it is assumed that there are two wireless communication apparatuses 900 (one is described as 900A and the other is described as 900B) in the vicinity and an interference wave that interferes with communication between the wireless communication apparatus 100 and the wireless communication apparatus 900 is transmitted. .

  First, an initial communication schedule stored in the TDMA communication databases 105 and 205 of the wireless communication apparatuses 100 and 200 will be described.

  FIG. 4 shows an example of the contents of the initial communication schedule Sch stored in the TDMA communication databases 105 and 205. In this example, the communication schedule Sch defines a transmission unit, a reception unit, a use frequency band, and a communication time for each of eight time slots constituting one frame. For example, in the schedule information on the second line, time slot 1 is a slot for transmitting data from the wireless communication apparatus 100 to the wireless communication apparatuses 200A and 200B, uses the frequency band of f1, and the maximum communication time is 10 msec. It defines that there is. In the schedule information on the third line, time slot 2 is a slot for transmitting data from radio communication apparatus 200A to radio communication apparatus 100, uses the frequency band of f2, and the maximum communication time is 10 msec. Defined. The information on the fifth row indicates that the time slot 4 has no setting items, that is, the time slot 4 is an empty slot.

  Next, an operation of TDMA communication before transmitting an interference wave from radio communication apparatus 100 (operation of TDMA communication devices 120 and 220) will be described.

  When the wireless communication controller 104 of the wireless communication device 100 transmits data to the wireless communication devices 200A and 200B in accordance with a transmission request from a host device (not shown), the wireless communication controller 104 refers to the communication schedule Sch of the TDMA communication database 105 and sets the time slot 1 It is determined that it is used, the frequency band f1 is used, and the maximum communication time is 10 msec. Next, the wireless communication controller 104 controls the wireless communication transmitter 103 according to this determination, and transmits data addressed to the wireless communication devices 200 </ b> A and 200 </ b> B from the antenna 101 through the time slot 1. If the transmission of all data is not completed in one time slot, the wireless communication controller 104 divides the data and repeatedly transmits the remaining data using time slot 1 of one or more subsequent frames.

  On the other hand, the radio communication controller 204 of the radio communication apparatus 200A receives the data in the time slot 1 and the time slot 7 based on the communication schedule Sch stored in the TDMA communication database 205. Is controlling. Therefore, when data is transmitted from the wireless communication apparatus 100 using the time slot 1, the wireless communication receiver 202 receives the data and transmits it to the wireless communication control unit 204. The wireless communication control unit 204 transmits the transmitted data to a higher-level device (not shown) corresponding to the data type, destination, and the like.

  The wireless communication controller 204 of the wireless communication device 200B also receives data in the time slot 1 and the time slot 5 based on the communication schedule Sch stored in the TDMA communication database 205. Is controlling. Therefore, when data is transmitted from the wireless communication apparatus 100 using the time slot 1, the wireless communication receiver 202 receives the data and transmits it to the wireless communication control unit 204. The wireless communication control unit 204 transmits the transmitted data to a higher-level device (not shown) corresponding to the data type, destination, and the like.

  As described above, data transmission from the wireless communication device 100 to the wireless communication devices 200A and 200B is performed. Data transmission from the wireless communication device 200A to the wireless communication device 100 and the wireless communication device 200B, and data transmission from the wireless communication device 200B to the wireless communication device 100 and the wireless communication device 200A are also performed from the wireless communication device 100 to the wireless communication devices 200A and 200B. The same as data transmission to However, in data transmission from the wireless communication device 200A to the wireless communication device 100 and the wireless communication device 200B, time slots 2 and 5 are used, and in data transmission from the wireless communication device 200B to the wireless communication device 100 and the wireless communication device 200A. Time slots 3 and 7 are used.

  Next, the operation of the wireless communication device 100 that interferes with communication between the wireless communication devices 900 (operation of the disturbing wave transmitter 130) will be described.

  The radio wave monitoring receiver 107 of the wireless communication device 100 monitors the frequency band and existence period of communication waves that may be transmitted and received by the wireless communication device 900. During the period monitored by the radio wave monitoring receiver 107, the frequency band is controlled by the interference wave controller 109. The radio wave monitoring receiver 107 detects the intensity of the radio wave received through the antenna 106 for each frequency band during the monitoring period, and transmits the detection result to the interference wave controller 109.

  The interference wave controller 109 accumulates the detection results of the radio wave monitoring receiver 107 over a certain period. The jamming wave controller 109 analyzes the accumulated detection result and determines the jamming wave transmission schedule DSch. For example, the interfering wave controller 109 analyzes an interval or / and duration for which a radio wave having a certain intensity appears for each frequency band in which a radio wave having a certain intensity or more is detected by the radio wave monitoring receiver 107. Next, when a radio wave having a constant intensity appears at a predetermined interval and / or duration that can be recognized as being assigned to a time slot divided at a predetermined interval, the interfering wave controller 109 is displayed in the frequency band. The appearing received wave is determined to be a TDMA communication wave. Next, the interference wave controller 109 analyzes the start and end times for each time slot constituting the determined TDMA communication wave. Next, the interference wave controller 109 creates a transmission schedule DSch in which the most frequently used time slot period among the analyzed time slots is determined as the interference wave transmission period.

  The method by which the interference wave controller 109 creates the interference wave transmission schedule DSch is not limited to the above method, and other methods may be used. For example, the interference wave controller 109 detects the time slot (frequency and time zone) of the master station by the method described in Patent Document 1, and sets the time slot period used by the master station as the interference wave transmission period. The transmission schedule DSch may be created.

  The jamming transmitter 108 transmits a jamming wave from the antenna 106 in accordance with the transmission schedule DSch created by the jamming wave controller 109.

  Next, the operation of the determinator 140 of the wireless communication device 100 will be described.

  First, the interference wave influence analyzer 110 compares the communication schedule Sch of TDMA communication with the interference wave transmission schedule DSch created by the interference wave controller 109 along the time axis, and the interference wave affects the TDMA communication. Determine whether or not. If the disturbing wave does not affect the TDMA communication, the disturbing wave influence analyzer 110 ends the process. In this case, TDMA communication between the radio communication apparatuses 100, 200A, and 200B is performed using the initial communication schedule Sch.

  On the other hand, when the interference wave affects the TDMA communication, the interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement plan creator 111 together with the analysis result.

  The improvement measure creator 111 creates, as an improvement measure, a communication schedule ISch for TDMA communication that is not affected by the interference wave, based on the transmission schedule DSch for interference wave and the communication schedule Sch for TDMA communication. Then, the improvement measure creator 111 transmits the improvement measure to the improvement measure register 112.

  The improvement measure register 112 notifies the wireless communication control unit 104 of the communication schedule ISch related to the improvement measure and requests registration. The wireless communication controller 104 refers to the communication schedule Sch stored in the TDMA communication database 105, recognizes the wireless communication devices 200 </ b> A and 200 </ b> B that perform TDMA communication with the wireless communication device 100, and transmits wireless communication from the wireless communication device 100. The most recent time slot used for transmission to the communication devices 200A and 200B is recognized, and the communication schedule ISch related to the improvement measure is transmitted to the wireless communication devices 200A and 200B using this time slot. In the wireless communication devices 200A and 200B, the communication schedule ISch related to the improvement measure is transmitted to the improvement measure registration unit 206 through the wireless communication receiver 202 and the wireless communication controller 204, and stored in the TDMA communication database 205 by the improvement measure registration unit 206. The communication schedule Sch being overwritten is overwritten by the communication schedule ISch related to the improvement measure. On the other hand, the radio communication controller 104 overwrites the communication schedule Sch stored in the TDMA communication database 105 with the communication schedule ISch related to the improvement measure.

  Thus, the communication schedule Sch stored in the TDMA communication databases 105 and 205 is overwritten with the communication schedule ISch related to the improvement measure. As a result, when the interfering wave transmitter 130 of the radio communication apparatus 100 transmits an interfering wave according to the transmission schedule DSch, the TDMA communication between the radio communication apparatuses 100, 200A, and 200B is not affected and the radio communication apparatuses 900A and 900B are not affected. Can interfere with communication.

  Next, the operation of this embodiment will be described in more detail with some specific examples.

<Example 1>
The uppermost graph in FIG. 5 shows an example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. The current time is represented by t0. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f0 to f3.

  The second graph from the top in FIG. 5 is a communication schedule Sch of TDMA communication, which is drawn by combining the transmission schedule DSch of interference wave and the time axis. When both schedules are compared, the influence of interference waves on the communication in time slot 5 (communication from 200A to 200B) and the communication in time slot 7 (communication from 200B to 200A) of the frame of the TDMA communication that will start transmission from now on Can be confirmed. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 6 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 4 and FIG. 6, in this example, the improvement plan creator 111 changes the communication in the time slot 5 to the time slot 6 and changes the communication in the time slot 7 based on the improvement policy 1. The time slot is changed to 8. The graph at the bottom of FIG. 5 is a drawing of the communication schedule ISch by the improvement measure along the time axis, and it can be seen that it is not affected by the interference wave scheduled in the transmission schedule DSch of the interference wave. .

<Example 2>
The uppermost graph in FIG. 7 shows another example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission is started at time ts and the jamming wave transmission is finished at time te, and there is no interruption between them. The frequency band of the interference wave is f0 to f3.

  The second graph from the top in FIG. 7 is a communication schedule Sch of TDMA communication, which is drawn by combining the transmission schedule DSch of interference wave and the time axis. When both schedules are compared, the influence of interference waves on the communication in time slot 5 (communication from 200A to 200B) and the communication in time slot 7 (communication from 200B to 200A) of the frame of the TDMA communication that will start transmission from now on Can be confirmed. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 8 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 4 and FIG. 8, in this example, the improvement plan creator 111 changes the communication in the time slot 5 to the time slot 4 and changes the communication in the time slot 7 based on the improvement policy 1. The time slot is changed to 8. Like the change from the time slot 5 to the time slot 4 shown in Example 2, the change of the time slot may be shifted in advance. The lowermost graph in FIG. 7 is a drawing of the communication schedule ISch based on the improvement measures along the time axis, and it can be seen that it is not affected by the interference wave scheduled in the interference wave transmission schedule DSch. .

<Example 3>
The uppermost graph in FIG. 9 shows another example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f0 to f3.

  The second graph from the top in FIG. 9 is a communication schedule Sch of TDMA communication, and is drawn in accordance with the interference wave transmission schedule DSch and the time axis. When both schedules are compared, the influence of interference waves on the time slot 2 communication (notification from 200A to 100) and the time slot 5 communication (communication from 200A to 200B) of the frame of the TDMA communication to start transmission from now on. Can be confirmed. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 10 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 4 and FIG. 10, in this example, the improvement plan creator 111 changes the communication in the time slot 5 to the time slot 8 based on the improvement policy 1. Further, based on the improvement policy 2, the improvement measure creator 111 changes the communication in the time slot 2 to the time slot 7 that is used in communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave. ing. Here, it is assumed that the communication from 200A to 100 has higher priority than the communication from 200B to 200A. The graph at the bottom of FIG. 10 is a drawing of the communication schedule ISch by the improvement measure along the time axis, and it can be seen that it is not affected by the interference wave scheduled in the interference wave transmission schedule DSch. .

<Example 4>
The uppermost graph in FIG. 11 shows another example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f1 to f2.

  The second graph from the top in FIG. 11 is a communication schedule Sch of TDMA communication, which is drawn in accordance with the interference wave transmission schedule DSch and the time axis. When both schedules are compared, the influence of interference waves on the communication in time slot 5 (communication from 200A to 200B) and the communication in time slot 7 (communication from 200B to 200A) of the frame of the TDMA communication that will start transmission from now on Can be confirmed. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 12 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 4 and FIG. 12, in this example, the improvement measure creator 111 changes the frequency used for communication in the time slot 5 from f2 to f3 based on the improvement policy 3, and The frequency used in communication No. 7 is changed from f1 to f3. The graph at the bottom of FIG. 11 is a drawing of the communication schedule ISch by the improvement measure along the time axis, and is affected by the interference wave scheduled in the interference wave transmission schedule DSch by shifting the frequency. You can see that it is gone.

<Example 5>
The uppermost graph in FIG. 13 shows another example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f1 to f3.

  The second graph from the top in FIG. 13 is a communication schedule Sch of TDMA communication, which is drawn in accordance with the interference wave transmission schedule DSch and the time axis. When both schedules are compared, the influence of interference waves on the communication in time slot 3 (communication from 200B to 100B) and the communication in time slot 5 (communication from 200A to 200B) of the frame of the TDMA communication that will start transmission from now on Can be confirmed. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 14 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 4 with FIG. 14, in this example, the improvement measure creator 111 delays the communication start time of the time slot 3 by td based on the improvement policy 4, thereby reducing the time slot 3 within the time slot 3. Is changed to a period that does not overlap the transmission period of the jamming wave in the same time slot. Further, the improvement measure creator 111 changes the communication in the time slot 5 to the time slot 8 based on the improvement method 1. The graph at the bottom of FIG. 13 is a drawing of the communication schedule ISch based on the improvement measures along the time axis, and it is understood that the influence of the interference wave scheduled in the interference wave transmission schedule DSch is not affected. .

  The present embodiment is based on the above configuration and operation, and various additions and changes as described below are possible.

<Modification 1>
For example, in the above description, the frequency used by the TDMA communication device 120 is the same in the time slot. However, the time slot may be divided into a plurality of subslots, and the frequency used for each subslot may be determined. Good.

  FIG. 15 shows an example of the contents of the communication schedule Sch stored in the TDMA communication databases 105 and 205. In this example, the communication schedule Sch defines a transmission unit and a reception unit for each of the eight time slots constituting one frame, and also divides one time slot into three subslots. Defines bandwidth and communication time. For example, in the schedule information on the second row, time slot 1 is a slot for transmitting data from radio communication apparatus 100 to radio communication apparatuses 200A and 200B, and is divided into three subslots 1 to 3, and subslot 1 Uses the f1 frequency band, the maximum communication time is 3 msec, the subslot 2 uses the f2 frequency band, the maximum communication time is 3 msec, the subslot 3 uses the f3 frequency band, and the maximum communication time is 3 msec. Is defined.

<Modification 2>
Further, when the use frequency is set in units of subslots as described above, the improvement measure creator 111 may create an improvement measure according to the following policy.
<Improvement policy 5>
The improvement measure creator 111 determines the improvement measure from the communication schedule of TDMA communication by changing the frequency used in the communication performed in the influence period to a frequency not affected by the interference wave in units of subslots. A specific example is shown in FIG.

  The uppermost graph in FIG. 16 illustrates another example of the interference wave transmission schedule DSch. In the transmission schedule DSch of this example, transmission of the disturbing wave is started at time ts and transmission of the disturbing wave is ended at time te. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f1 to f2. The second graph from the top in FIG. 16 is the communication schedule Sch of the TDMA communication shown in FIG. 16, and is drawn together with the interference wave transmission schedule DSch and the time axis. When both schedules are compared, a part (subslots 1 and 2) of communication in time slot 5 (communication from 200A to 200B) of a frame of TDMA communication to start transmission from now (subslots 1 and 2) and communication in time slot 7 (200B to 200A) It can be confirmed that a part (subslot 2) of the communication is affected by the interference wave. The interference wave influence analyzer 110 transmits the communication schedule Sch and the interference wave transmission schedule DSch to the improvement measure creator 111 with the confirmation result.

  FIG. 17 is an example of the communication schedule ISch related to the improvement measure created by the improvement measure creator 111. As can be understood by comparing FIG. 15 and FIG. 17, in this example, the improvement measure creator 111 sets the frequencies used in the subslots 1 and 2 of the time slot 5 based on the improvement policy 5 from f1, f2 to f3. Has been changed. Further, the improvement measure creator 111 changes the frequency used in the subslot 2 of the time slot 7 from f2 to f3 based on the improvement method 5. The graph at the bottom of FIG. 16 shows the communication schedule ISch based on the improvement measure drawn along the time axis, and it can be seen that it is not affected by the interference wave scheduled in the interference wave transmission schedule DSch. .

<Modification 3>
In the above description, when the communication schedule Sch of TDMA communication stored in the TDMA communication databases 105 and 205 is changed to the communication schedule ISch related to the improvement measure, the transmission / reception schedule related to the improvement measure even after the transmission of the interference wave is stopped. It was assumed that ISch was used. However, after the transmission of jamming waves stops, the original communication schedule Sch may be used.

  There are various methods for realizing this. For example, the TDMA communication databases 105 and 205 hold two types of communication schedules, a communication schedule Sch and a communication schedule ISch related to improvement measures, and the wireless communication controllers 104 and 204 control which one is used. It's okay. Specifically, in an initial state where only the communication schedule Sch is stored in the TDMA communication databases 105 and 205, the wireless communication controllers 104 and 204 control each frame using the communication schedule Sch. When the communication schedule Isch related to the improvement measure is stored in the TDMA communication databases 105 and 205 in addition to the communication schedule Sch, the wireless communication controllers 104 and 204 use the communication schedule ISch from the immediately following frame. Control the frame. Then, when the last time slot defined in the communication schedule ISch ends, the radio communication controllers 104 and 204 again control each frame using the communication schedule Sch.

  Alternatively, the TDMA communication databases 105 and 205 are configured to hold only one type of communication schedule, and when the improvement measure registration units 112 and 206 register the communication schedule ISch related to the improvement measure in the TDMA communication databases 105 and 205, The communication schedule Sch may be temporarily saved in an external memory, and when the last time slot defined in the communication schedule ISch ends, the communication schedule Sch may be returned to the TDMA communication databases 105 and 205.

<Modification 4>
In the above description, the communication schedule ISch related to the improvement measure is a schedule for one frame. However, the communication schedule ISch related to the improvement measure may be created over a plurality of frames.

  FIG. 18 is an example of the communication schedule ISch related to the improvement measure created by the improvement creator 111. In this example, the improvement plan creator 111 creates a communication schedule ISch related to a 2-frame size improvement plan. As can be understood by comparing FIG. 4 and FIG. 18, the improvement plan creator 111 changes the communication of the time slot 5 to the time slot 6 and the communication of the time slot 7 in the communication schedule for the first frame. The time slot is changed to 8. In addition, in the communication schedule for the next one frame, the improvement measure creator 111 changes the communication in the time slot 1 to the time slot 6 and changes the communication in the time slot 7 to the time slot 8.

  As described above, when the transmission period of the jamming wave extends over a plurality of frames, the time slot of the TDMA communication device 120 affected by the jamming wave is generated for each frame by creating the communication schedule ISch related to the improvement measures for the plurality of frames. Even if they are different from each other, it is possible to improve the influence of the interference wave on the TDMA communication between the radio communication apparatuses 100, 200A, and 200B while interfering with the communication between the radio communication apparatuses 900A and 900B.

FIG. 19 is another example of the communication schedule ISch related to the improvement plan of the two frame size created by the improvement creator 111. As can be understood by comparing FIG. 4 with FIG. 19, the improvement plan creator 111 cancels the communication of the time slot 5 (communication from 200A to 200B) in the communication schedule for the first frame, and the time slot 7 communication is changed to time slot 8. This is because in the first frame, the period of time slots 4 to 7 overlaps with the transmission period of the interference wave. Further, in the communication schedule for the next one frame, the improvement measure creator 111 sets communication from 200A to 200B canceled in the previous frame in an empty time slot 6, and sets communication in the time slot 7 to time slot 8. It has changed. This is because only the communication in the time slot 7 is affected by the interference wave in the frame. As a result, in the subsequent frame, two time slots 5 and 6 are used for communication from 200A to 200B.

  In this way, by creating the communication schedule ISch related to the improvement measures for a plurality of frames, the time slot of the TDMA communication device 120 affected by the interference wave cannot be changed to another time slot of the same frame. However, by changing to the time slot of the next frame that is not affected by the interference wave, the communication between the wireless communication devices 900A and 900B is disturbed, and the TDMA communication between the wireless communication devices 100, 200A and 200B is performed. It is possible to improve the influence of the interference wave.

<Modification 5>
In the above description, for example, as shown in FIG. 5, the period from the current time t0 to the start time of the next frame is not particularly defined. However, a grace period of one frame period or more may be provided in the period from the current time t0 to the start time of the next frame. In other words, the jamming wave controller 109 may create a jamming wave transmission schedule with a jamming wave transmission start time at a time one frame period or more after the current time t0. As a result, the communication schedule ISch according to the improvement measure can be reliably transmitted from the wireless communication apparatus 100 to the wireless communication apparatuses 200A and 200B using the TDMA communication before the transmission of the interference wave.

<Modification 6>
In the above description, the TDMA communication device 120 is provided with the antenna 101, the wireless communication receiver 102, and the wireless communication transmitter 103, and the interference wave transmitter 130 is provided with the antenna 106, the radio wave monitoring receiver 107, and the interference transmitter 108. It was. However, instead of the antenna 101 and the antenna 106, an antenna shared by the TDMA communication device 120 and the interference wave transmitter 130 may be used. Instead of the wireless communication receiver 102 and the radio wave monitoring receiver 107, a receiver shared by the TDMA communication device 120 and the jamming wave transmitter 130 may be used. Instead of the wireless communication transmitter 103 and the interference wave transmitter 108, a transmitter shared by the TDMA communication device 120 and the interference wave transmitter 130 may be used.

  As described above, according to the present embodiment, communication between the wireless communication devices 900A and 900B can be disturbed, while the influence of interference waves on TDMA communication between the wireless communication devices 100, 200A and 200B can be improved.

[Second Embodiment]
FIG. 20 is a block diagram of a wireless communication apparatus 300 according to the second embodiment of the present invention. This wireless communication apparatus 300 has a CSMA (Carrier Sense Multiple Access) communication function. In addition, the wireless communication device 300 has a function of transmitting an interference wave for interfering with the communication of the enemy wireless communication device. The wireless communication device 300 includes, as main components, an antenna 301, a wireless communication receiver 302, a wireless communication transmitter 303, a wireless communication controller 304, a CSMA communication database 305, an antenna 306, a radio wave monitoring receiver 307, and an interference signal. A transmitter 308, an interference wave controller 309, a communication schedule generator 310, and a communication schedule register 311 are included.

  The antenna 301 is an antenna that transmits and receives CSMA communication waves. The wireless communication receiver 302 is a unit that performs reception processing of the CSMA communication wave received by the antenna 301 and transmits the processing result to the wireless communication controller 304. The wireless communication transmitter 303 is a unit that performs transmission processing of transmission data received from the wireless communication controller 304 and transmits a CSMA communication wave as a processing result from the antenna 301. The wireless communication controller 304 is a CSMA communication control unit that controls the wireless communication receiver 302 and the wireless communication transmitter 303. The CSMA communication database 305 is a unit that stores a communication schedule of CSMA communication. The antenna 301, the wireless communication receiver 302, the wireless communication transmitter 303, the wireless communication controller 304, and the CSMA communication database 305 described above constitute a CSMA communication device 320.

  The antenna 306, the radio wave monitoring receiver 307, the jamming transmitter 308, and the jamming wave controller 309 are the antenna 106, radio wave monitoring, and radio wave monitoring apparatus 100 according to the first embodiment of the present invention shown in FIG. It has the same functions as the receiver 107, the jamming transmitter 108, and the jamming wave controller 109. The antenna 306, the radio wave monitoring receiver 307, the jamming transmitter 308, and the jamming wave controller 309 constitute an jamming wave transmitter 330.

  The communication schedule generator 310 performs CSMA communication for performing CSMA communication with other wireless communication devices without being affected by the interference wave based on the interference wave transmission schedule created by the interference wave controller 309. This unit determines the communication schedule. The communication schedule creation unit 310 creates a communication schedule based on the following creation policy, for example, and transmits the communication schedule to the communication schedule registration unit 311.

<Creation policy 1>
The communication schedule generator 310 determines a communication schedule in which the transmission period of the jamming wave is a communication prohibition period and the communication permission period is outside the jamming wave transmission period, based on the jamming wave transmission schedule.
<Creation policy 2>
The communication schedule generator 310 sets the communication permission period outside the transmission period of the interference wave. Regarding the transmission period of the jamming wave, a frequency band different from the frequency of the jamming wave is used for CSMA communication, and communication is prohibited if such a frequency band does not exist.

  The communication schedule registering unit 311 is a unit for registering the communication schedule in the CSMA communication database 305 of the own radio communication device 300 and the CSMA communication database of other radio communication devices communicating with the own radio communication device 300 in CSMA. The communication schedule register 311 notifies the communication schedule to the wireless communication controller 304, and through this wireless communication controller 304, the CSMA communication database 305 of the own wireless communication device 300 and other wirelesss that perform CSMA communication with the own wireless communication device 300. The communication schedule is registered in the CSMA communication database of the communication device. However, the communication schedule register 311 may directly access the CSMA communication database 305 and register the communication schedule in the CSMA communication database 305. In addition, registration of the communication schedule to other wireless communication devices is not limited to via CSMA communication. When the wireless communication apparatus 300 can communicate with another wireless communication apparatus by a communication method other than CSMA communication, the communication schedule is notified to the other wireless communication apparatus and registered using the other communication method. It may be.

  The communication schedule creation unit 310 and the communication schedule registration unit 311 described above constitute a determinator 340.

  FIG. 21 is a block diagram of a wireless communication apparatus 400 that performs CSMA communication with the wireless communication apparatus 300. The wireless communication apparatus 400 includes an antenna 401, a wireless communication receiver 402, a wireless communication transmitter 403, a wireless communication controller 404, a CSMA communication database 405, and a communication schedule register 406 as main components.

  The antenna 401 is an antenna that transmits and receives CSMA communication waves. The wireless communication receiver 402 is a unit that performs reception processing of the CSMA communication wave received by the antenna 401 and transmits the processing result to the wireless communication controller 404. The wireless communication transmitter 403 is a unit that performs transmission processing of transmission data received from the wireless communication controller 404 and transmits a CSMA communication wave as a processing result from the antenna 401. The wireless communication controller 404 is a CSMA communication control unit that controls the wireless communication receiver 402 and the wireless communication transmitter 403. The CSMA communication database 405 is a unit that stores a communication schedule of CSMA communication. The antenna 401, the wireless communication receiver 402, the wireless communication transmitter 403, the wireless communication controller 404, and the CSMA communication database 405 described above constitute a CSMA communication device 420.

  The communication schedule register 406 is a unit that registers the communication schedule notified from the wireless communication apparatus 300 in the CSMA communication database 405. The communication schedule transmitted from the wireless communication apparatus 300 by CSMA communication is received by the wireless communication receiver 402 and transmitted to the wireless communication controller 404. The wireless communication controller 404 transmits the transmitted communication schedule to the communication schedule registering unit 406, which is one of the host devices. The communication schedule register 406 acquires this communication schedule and registers it in the CSMA communication database 405.

  Next, more detailed configurations and operations of the wireless communication apparatus 300 and the wireless communication apparatus 400 according to the present embodiment will be described. As an operating environment, as shown in FIG. 22, a situation is assumed in which a wireless communication device 300 and two wireless communication devices 400 (one is indicated as 400A and the other as 400B) perform CSMA communication with each other. Further, it is assumed that there are two wireless communication apparatuses 900 (one is described as 900A and the other is described as 900B) in the vicinity and an interference wave that interferes with communication between the wireless communication apparatus 300 and the wireless communication apparatus 900 is transmitted. .

  First, an initial communication schedule stored in the CSMA communication databases 305 and 405 of the wireless communication devices 300 and 400 will be described.

  FIG. 23 shows an example of the contents of the initial communication schedule Sch stored in the CSMA communication databases 305 and 405. The communication schedule Sch of this example defines a communication prohibition period and a use frequency band for each channel of CSMA communication. For example, the schedule information on the second line defines that channel 1 uses the frequency band f1, and that there is no communication prohibition period.

  Next, an operation of CSMA communication (operation of CSMA communication devices 320 and 420) before transmitting an interference wave from radio communication apparatus 100 will be described.

  The wireless communication controller 304 of the wireless communication device 300 refers to the communication schedule Sch in the CSMA communication database 305 and uses it for communication when transmitting data to the wireless communication devices 400A and 400B in accordance with a transmission request from a host device (not shown). Select a channel. In this channel selection, the radio communication controller 304 selects a channel for which no communication prohibition period is set, or if such a channel does not exist, the communication prohibition period is set, but the communication prohibition period Select a channel that does not contain the current time. Here, it is assumed that channel 1 is selected. Next, the wireless communication controller 304 controls the wireless communication transmitter 303 according to the selected channel 1, and transmits data addressed to the wireless communication devices 400A and 400B from the antenna 401 through the channel 1. When channel 1 is used for another CSMA communication, the wireless communication controller 304 takes measures such as waiting for the channel 1 to become free or selecting another channel that can be used for communication.

  On the other hand, the radio communication controller 404 of the radio communication device 400A receives the radio communication so as to receive data addressed to the own device in each of the channels 1 to 3 based on the communication schedule Sch stored in the CSMA communication database 405. The device 402 is controlled. For this reason, when data is transmitted from the wireless communication apparatus 300 using channel 1, the wireless communication receiver 402 receives the data and transmits it to the wireless communication control unit 404. The wireless communication control unit 404 transmits the transmitted data to a host device (not shown) corresponding to the type of data, the destination, and the like. Note that the wireless communication controller 404 may stop the reception operation of the wireless communication receiver 402 for a channel whose current time is included in the communication prohibited period set in the communication schedule Sch. The wireless communication device 400B performs the same operation as the wireless communication device 400A.

  As described above, data is transmitted from the wireless communication device 300 to the wireless communication devices 400A and 400B. Data transmission from the wireless communication device 400A to the wireless communication device 300 and the wireless communication device 400B, and data transmission from the wireless communication device 400B to the wireless communication device 300 and the wireless communication device 400A are also performed from the wireless communication device 300 to the wireless communication devices 400A and 400B. The same as data transmission to

  Next, the operation of the wireless communication device 300 that interferes with communication between the wireless communication devices 900 (operation of the disturbing wave transmitter 330) will be described.

  The operation of the jammer transmitter 330 is the same as that of the jammer transmitter 130 in the first embodiment of the present invention. That is, the radio wave monitoring receiver 307 of the wireless communication apparatus 300 detects the intensity of the radio wave received through the antenna 306 at every fixed time for each frequency band of communication waves that may be transmitted / received by the wireless communication apparatus 900. Then, the detection result is transmitted to the interference wave controller 309. The jamming wave controller 309 determines the jamming wave transmission schedule DSch based on the detection result of the radio wave monitoring receiver 107. Next, the jamming transmitter 308 transmits the jamming wave from the antenna 306 in accordance with the transmission schedule DSch created by the jamming wave controller 309.

  Next, the operation of the determinator 340 of the wireless communication apparatus 300 will be described.

  First, the communication schedule generator 310 is for performing CSMA communication with other wireless communication devices without being influenced by the interference wave based on the interference wave transmission schedule DSch created by the interference wave controller 309. Create a communication schedule ISch. Then, the communication schedule creator 310 transmits the communication schedule ISch to the communication schedule register 311.

  The communication schedule register 311 notifies the wireless communication control unit 304 of the communication schedule ISch and requests registration. The wireless communication controller 304 refers to the communication schedule Sch stored in the CSMA communication database 305, selects a channel to be used for transmission from the wireless communication device 300 to the wireless communication devices 400A and 400B, and selects the selected channel. Is used to transmit the communication schedule ISch to the wireless communication devices 400A and 400B. In the wireless communication devices 400A and 400B, the communication schedule ISch is transmitted to the communication schedule register 406 through the wireless communication receiver 402 and the wireless communication controller 404, and the communication stored in the CSMA communication database 405 by the communication schedule register 406. The schedule Sch is overwritten with the communication schedule ISch. On the other hand, the wireless communication controller 304 overwrites the communication schedule Sch stored in the CSMA communication database 305 with the communication schedule ISch.

  In this way, the communication schedule Sch stored in the CSMA communication databases 305 and 405 is overwritten with the communication schedule ISch in consideration of the interference wave transmission schedule DSch. As a result, when the interfering wave transmitter 330 of the wireless communication apparatus 300 transmits an interfering wave according to the transmission schedule DSch, the CSMA communication between the wireless communication apparatuses 300, 400A, and 400B is not affected. Can interfere with communication.

  Next, the operation of this embodiment will be described in more detail with some specific examples.

<Example 1>
The upper graph in FIG. 24 shows an example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. The current time is t0. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f0 to f3.

  FIG. 25 is an example of the communication schedule ISch created by the communication schedule creator 310. In this example, the communication schedule generator 310 sets a communication schedule ISch based on the generation policy 1 as the communication prohibition period for the transmission periods ts to t1 and t2 to te of the interference wave and the communication permission period for the other periods. Creating. The lower graph of FIG. 24 is a drawing of the communication schedule ISch along the time axis. The transmission period of the interference wave scheduled in the transmission schedule DSch of the interference wave is the communication prohibited period in all channels 1 to 3. (Shaded area in the figure). For this reason, since the CSMA communication between the wireless communication apparatuses 300, 400A, and 400B is performed while avoiding the transmission period of the interference wave, the CSMA communication can be performed without being affected by the interference wave.

<Example 2>
The upper graph in FIG. 26 shows another example of the interference wave transmission schedule DSch. In the jamming wave transmission schedule DSch in this example, the jamming wave transmission starts at time ts and the jamming wave transmission ends at time te. Also, the transmission of the interference wave is temporarily interrupted at time t1, and the transmission of the interference wave is resumed at time t2. The frequency band of the disturbing wave is f2.

  FIG. 27 is an example of the communication schedule ISch created by the communication schedule creator 310. In this example, the communication schedule generator 310 changes the frequency used for channel 2 communication from f2 to f0 based on the generation policy 2. The lower graph of FIG. 26 shows the communication schedule ISch with the time axis aligned, and channel 2 is not affected by the interference wave scheduled in the interference wave transmission schedule DSch by shifting the frequency. You can see that

  The present embodiment can be modified as described below based on the above configuration and operation.

<Modification 1>
In the above description, it is assumed that when the communication schedule Sch of CSMA communication stored in the CSMA communication databases 305 and 405 is changed to the communication schedule ISch, the communication schedule ISch is used even after transmission of jamming waves is stopped. did. However, after the transmission of jamming waves stops, the original communication schedule Sch may be used.

  There are various methods for realizing this. For example, the two types of communication schedules of the communication schedule Sch and the communication schedule ISch may be held in the CSMA communication databases 305 and 405, and the wireless communication controllers 304 and 404 may control which one is used. Specifically, in an initial state where only the communication schedule Sch is stored in the CSMA communication databases 305 and 405, the wireless communication controllers 304 and 404 control communication using the communication schedule Sch. When the communication schedule ISch is stored in addition to the communication schedule Sch in the CSMA communication databases 305 and 405, the expiration date of the communication schedule ISch is set. In this expiration date, a time after the time when transmission of the jamming wave is stopped is set. When the communication schedule ISch is stored, the wireless communication controllers 304 and 404 control communication using the communication schedule ISch. When the expiration date of the communication schedule ISch expires, the wireless communication controllers 304 and 404 use the communication schedule Sch again to control communication.

  Alternatively, the CSMA communication databases 305 and 405 are configured to hold only one type of CSMA communication communication schedule, and when the communication schedule registering units 311 and 406 register the communication schedule ISch in the CSMA communication databases 305 and 405, communication is performed. The schedule Sch may be temporarily saved in an external memory, and the communication schedule Sch may be returned to the CSMA communication databases 305 and 405 when the use time limit of the communication schedule ISch expires.

<Modification 2>
In the above description, the wireless communication devices 300 and 400 perform CSMA communication. However, random access communication other than CSMA communication, for example, ALOHA, BTMA (Busy Tone Multiple Access), ICMA, or ISMA (Idle Signal Casting Multiple Access). ), Reservation random access may be performed.
<Modification 3>
In the above description, the CSMA communication device 320 is provided with the antenna 301, the wireless communication receiver 302, and the wireless communication transmitter 303, and the interference wave transmitter 330 is provided with the antenna 306, the radio wave monitoring receiver 307, and the interference transmitter 308. It was. However, instead of the antenna 301 and the antenna 306, an antenna shared by the CMMA communication device 320 and the interference wave transmitter 330 may be used. Further, instead of the wireless communication receiver 302 and the radio wave monitoring receiver 307, a receiver shared by the CMMA communication device 320 and the interference wave transmitter 330 may be used. Further, instead of the wireless communication transmitter 303 and the interference wave transmitter 308, a transmitter shared by the CMMA communication device 320 and the interference wave transmitter 330 may be used.

  As described above, according to the present embodiment, communication between the wireless communication devices 900A and 900B can be disturbed, while the influence of interference waves on the CSMA communication between the wireless communication devices 300, 400A and 400B can be improved.

[Third embodiment]
FIG. 28 is a block diagram of a wireless communication apparatus 500 according to the third embodiment of the present invention. The wireless communication device 500 has a function of performing wireless communication with the wireless communication device 600. In addition, the wireless communication device 500 has a function of transmitting an interference wave for interfering with the communication of the wireless communication device 900.

  The wireless communication device 500 includes an interference wave transmitter 510, a determiner 520, and a wireless communication device 530 as main components.

  The interference wave transmitter 510 has a function of determining a first schedule for transmitting an interference wave for interfering with the communication of the wireless communication apparatus 900, and transmitting the interference wave according to the first schedule. Further, the determinator 520 has a function of determining a second schedule for performing wireless communication with the wireless communication apparatus 600 without being affected by the interference wave based on the first schedule. The wireless communication device 530 has a function of performing wireless communication with the wireless communication device 600 in accordance with the second schedule.

  Next, the operation of the wireless communication apparatus 500 according to this embodiment will be described.

  The interference wave transmitter 510 of the wireless communication apparatus 500 determines a first schedule for transmitting an interference wave for interfering with the communication of the wireless communication apparatus 900. Next, the determiner 520 of the wireless communication device 500 determines a second schedule for performing wireless communication with the wireless communication device 600 without being affected by the interference wave based on the first schedule. . Next, the interfering wave transmitter 510 transmits an interfering wave according to the first schedule, and the wireless communication device 530 performs wireless communication with the wireless communication apparatus 600 according to the second schedule.

  According to the present embodiment, even when the frequency used for communication between the wireless communication device 500 and the wireless communication device 600 overlaps the frequency of the interference wave, the wireless communication device 500 and the wireless communication device 600 The communication of the wireless communication apparatus 900 can be disturbed while enabling communication between the two.

  The reason is that the wireless communication apparatus 500 determines a first schedule for transmitting an interference wave for interfering with the communication of the wireless communication apparatus 900, and is not affected by the interference wave based on the first schedule. This is because a second schedule for performing wireless communication with the wireless communication apparatus 600 is determined, and wireless communication is performed with the wireless communication apparatus 600 according to the determined second schedule.

  INDUSTRIAL APPLICABILITY The present invention can be used for a wireless communication device, particularly a wireless communication device that communicates with a predetermined wireless communication device while interfering with the communication of a specific wireless communication device.

A part or all of the above embodiments can be described as in the following supplementary notes, but is not limited thereto.
[Appendix 1]
A wireless communication device that performs wireless communication with a first wireless communication device,
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the first wireless communication device according to the second schedule;
A wireless communication device.
[Appendix 2]
The determiner determines the second schedule in which a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave;
The wireless communication device according to attachment 1.
[Appendix 3]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to another period that is not scheduled to be used for any communication and does not overlap the transmission period of the interference wave Determining a schedule as the second schedule;
The wireless communication apparatus according to appendix 1 or 2.
[Appendix 4]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to a period that is assigned to a communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave Is determined as the second schedule,
The wireless communication apparatus according to appendix 1 or 2.
[Appendix 5]
The determiner determines the second schedule in which a frequency band used in wireless communication performed with the first wireless communication device is a frequency band not affected by the interference wave;
The wireless communication device according to attachment 1.
[Appendix 6]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave Determining the influence period of the schedule, and determining, as the second schedule, the third schedule in which the frequency used in the communication scheduled to be performed in the influence period is changed to a frequency that is not affected by the interference wave,
The wireless communication device according to appendix 1 or 5.
[Appendix 7]
The wireless communication device is a TDMA communication device;
The wireless communication device according to any one of appendices 1 to 6.
[Appendix 8]
The wireless communication device is a random access communication device.
The wireless communication device according to appendix 1 or 5.
[Appendix 9]
The determiner is configured to notify the first wireless communication device of the second schedule;
The wireless communication device according to any one of appendices 1 to 8.
[Appendix 10]
A wireless communication method executed by a wireless communication device that performs wireless communication with a first wireless communication device,
Determining a first schedule for transmitting an interfering wave for interfering with the communication of the second wireless communication device;
Based on the first schedule, determine a second schedule for performing wireless communication with the first wireless communication device without being affected by the interference wave,
Transmitting the jamming wave according to the first schedule and performing wireless communication with the first wireless communication device according to the second schedule;
Wireless communication method.
[Appendix 11]
In the determination of the second schedule, the second schedule is determined such that a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave.
The wireless communication method according to attachment 10.
[Appendix 12]
In the determination of the second schedule, the third schedule used by the wireless communication device is compared with the first schedule before the second schedule is determined, and the influence of the interference wave is determined. The influence period of the third schedule to be received is determined, and the communication scheduled to be performed in the influence period is changed to another period that is not scheduled to be used for any communication and does not overlap the transmission period of the jamming wave Determining the third schedule as the second schedule;
The wireless communication method according to appendix 10 or 11.
[Appendix 13]
In the determination of the second schedule, the third schedule used by the wireless communication device is compared with the first schedule before the second schedule is determined, and the influence of the interference wave is determined. The influence period of the third schedule to be received is determined, and the communication scheduled to be performed in the influence period is changed to a period that is assigned to a communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave Determining the third schedule as the second schedule;
The wireless communication method according to appendix 10 or 11.
[Appendix 14]
In the determination of the second schedule, the second schedule is determined such that the frequency band used in the wireless communication performed with the first wireless communication apparatus is a frequency band not affected by the interference wave. ,
The wireless communication method according to attachment 10.
[Appendix 15]
In the determination of the second schedule, the third schedule used by the wireless communication device is compared with the first schedule before the second schedule is determined, and the influence of the interference wave is determined. An influence period of the third schedule to be received is determined, and the third schedule obtained by changing a frequency used in communication scheduled to be performed in the influence period to a frequency not affected by the jamming wave is the second schedule. As determined,
15. The wireless communication method according to appendix 10 or 14.
[Appendix 16]
TDMA communication is performed with the first wireless communication apparatus according to the second schedule.
The wireless communication method according to any one of appendices 10 to 15.
[Appendix 17]
Performing random access communication with the first wireless communication device according to the second schedule;
15. The wireless communication method according to appendix 10 or 14.
[Appendix 18]
Notifying the first wireless communication device of the second schedule;
The wireless communication method according to any one of appendices 10 to 17.
[Appendix 19]
A computer that performs wireless communication with the first wireless communication device;
A jamming wave transmission means for determining a first schedule for sending a jamming wave for jamming communication of the second wireless communication apparatus, and for sending the jamming wave according to the first schedule;
Determining means for determining a second schedule for performing wireless communication with the first wireless communication apparatus based on the first schedule without being affected by the interference wave;
Wireless communication means for performing wireless communication with the first wireless communication device according to the second schedule;
Program to make it function.
[Appendix 20]
The determination unit determines the second schedule in which a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave.
The program according to appendix 19.
[Appendix 21]
The determination unit compares the first schedule with the third schedule used by the wireless communication unit before determining the second schedule, and the third unit affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to another period that is not scheduled to be used for any communication and does not overlap the transmission period of the interference wave Determining a schedule as the second schedule;
The program according to appendix 19 or 20.
[Appendix 22]
The determination unit compares the first schedule with the third schedule used by the wireless communication unit before determining the second schedule, and the third unit affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to a period that is assigned to a communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave Is determined as the second schedule,
The program according to appendix 19 or 20.
[Appendix 23]
The determining means determines the second schedule in which a frequency band used in wireless communication performed with the first wireless communication apparatus is a frequency band not affected by the interference wave,
The program according to appendix 19.
[Appendix 24]
The determination unit compares the first schedule with the third schedule used by the wireless communication unit before determining the second schedule, and the third unit affected by the interference wave Determining the influence period of the schedule, and determining, as the second schedule, the third schedule in which the frequency used in the communication scheduled to be performed in the influence period is changed to a frequency that is not affected by the interference wave,
The program according to appendix 19 or 23.
[Appendix 25]
The wireless communication means is a TDMA communication means.
The program according to any one of appendices 19 to 24.
[Appendix 26]
The wireless communication means is a random access communication means,
The program according to appendix 19 or 23.
[Appendix 27]
The determining means is configured to notify the first wireless communication device of the second schedule;
The program according to any one of appendices 19 to 26.
[Appendix 28]
A wireless communication system including a plurality of first wireless communication devices that perform wireless communication with each other,
At least one of the first wireless communication devices is
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the other first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the other first wireless communication device according to the second schedule;
including,
Wireless communication system.
[Appendix 29]
The determiner determines the second schedule in which a period for wireless communication performed with the other first wireless communication apparatus does not overlap a transmission period of the jamming wave;
29. The wireless communication system according to appendix 28.
[Appendix 30]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to another period that is not scheduled to be used for any communication and does not overlap the transmission period of the interference wave Determining a schedule as the second schedule;
30. The radio communication system according to appendix 28 or 29.
[Appendix 31]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to a period that is assigned to a communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave Is determined as the second schedule,
30. The radio communication system according to appendix 28 or 29.
[Appendix 32]
The determiner determines the second schedule in which a frequency band used in wireless communication performed with the other first wireless communication device is a frequency band not affected by the interference wave;
29. The wireless communication system according to appendix 28.
[Appendix 33]
The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave Determining the influence period of the schedule, and determining, as the second schedule, the third schedule in which the frequency used in the communication scheduled to be performed in the influence period is changed to a frequency that is not affected by the interference wave,
33. The wireless communication system according to appendix 28 or 32.
[Appendix 34]
The wireless communication device is a TDMA communication device;
34. The wireless communication system according to any one of appendices 28 to 33.
[Appendix 35]
The wireless communication device is a random access communication device.
33. The wireless communication system according to appendix 28 or 32.
[Appendix 36]
The determiner is configured to notify the second schedule to the other first wireless communication device;
36. The wireless communication system according to any one of appendices 28 to 35.

DESCRIPTION OF SYMBOLS 100 ... Wireless communication apparatus 101 ... Antenna 102 ... Wireless communication receiver 103 ... Wireless communication transmitter 104 ... Wireless communication controller 105 ... TDMA communication database 106 ... Antenna 107 ... Radio wave monitoring receiver 108 ... Interference transmitter 109 ... Interference Wave controller 110 ... Interference wave influence analyzer 111 ... Improvement measure generator 112 ... Improvement measure register 200 ... Radio communication apparatus 201 ... Antenna 202 ... Radio communication receiver 203 ... Radio communication transmitter 204 ... Radio communication controller 205 ... TDMA communication database 206 ... improvement measure register 220 ... TDMA communication device 240 ... improvement measure registration device 300 ... wireless communication device 301 ... antenna 302 ... wireless communication receiver 303 ... wireless communication transmitter 304 ... wireless communication controller 305 ... TDMA communication Database 306 ... Antenna 307 ... Radio wave monitoring receiver 308 ... Interference transmission 309 ... Interference wave controller 310 ... Communication schedule generator 311 ... Communication schedule register 320 ... CSMA communication device 330 ... Interference wave transmitter 340 ... Determinator 400 ... Radio communication device 500 ... Radio communication device 510 ... Interference wave transmitter 520 ... Determining device 530 ... Wireless communication device 600 ... Wireless communication device 900 ... Wireless communication device

Claims (18)

A wireless communication device that performs wireless communication with a first wireless communication device,
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the first wireless communication device according to the second schedule;
A wireless communication device. The determiner determines the second schedule in which a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave;
The wireless communication apparatus according to claim 1. The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to another period that is not scheduled to be used for any communication and does not overlap the transmission period of the interference wave Determining a schedule as the second schedule;
The wireless communication apparatus according to claim 1 or 2. The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave The influence period of the schedule is determined, and the communication scheduled to be performed in the influence period is changed to a period that is assigned to a communication having a lower priority than the communication and does not overlap the transmission period of the jamming wave Is determined as the second schedule,
The wireless communication apparatus according to claim 1 or 2. The determiner determines the second schedule in which a frequency band used in wireless communication performed with the first wireless communication device is a frequency band not affected by the interference wave;
The wireless communication apparatus according to claim 1. The determiner compares the first schedule with the third schedule used by the wireless communication device before determining the second schedule, and the third machine affected by the interference wave Determining the influence period of the schedule, and determining, as the second schedule, the third schedule in which the frequency used in the communication scheduled to be performed in the influence period is changed to a frequency that is not affected by the interference wave,
The wireless communication apparatus according to claim 1 or 5. The wireless communication device is a TDMA communication device;
The wireless communication apparatus according to claim 1. The wireless communication device is a random access communication device.
The wireless communication apparatus according to claim 1 or 5. The determiner is configured to notify the first wireless communication device of the second schedule;
The wireless communication apparatus according to claim 1. A wireless communication method executed by a wireless communication device that performs wireless communication with a first wireless communication device,
Determining a first schedule for transmitting an interfering wave for interfering with the communication of the second wireless communication device;
Based on the first schedule, determine a second schedule for performing wireless communication with the first wireless communication device without being affected by the interference wave,
Transmitting the jamming wave according to the first schedule and performing wireless communication with the first wireless communication device according to the second schedule;
Wireless communication method. In the determination of the second schedule, the second schedule is determined such that a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave.
The wireless communication method according to claim 10. In the determination of the second schedule, the second schedule is determined such that the frequency band used in the wireless communication performed with the first wireless communication apparatus is a frequency band not affected by the interference wave. ,
The wireless communication method according to claim 10. A computer that performs wireless communication with the first wireless communication device;
A jamming wave transmission means for determining a first schedule for sending a jamming wave for jamming communication of the second wireless communication apparatus, and for sending the jamming wave according to the first schedule;
Determining means for determining a second schedule for performing wireless communication with the first wireless communication apparatus based on the first schedule without being affected by the interference wave;
Wireless communication means for performing wireless communication with the first wireless communication device according to the second schedule;
Program to make it function. The determination unit determines the second schedule in which a period for wireless communication performed with the first wireless communication apparatus does not overlap a transmission period of the jamming wave.
The program according to claim 13. The determining means determines the second schedule in which a frequency band used in wireless communication performed with the first wireless communication apparatus is a frequency band not affected by the interference wave,
The program according to claim 13. A wireless communication system including a plurality of first wireless communication devices that perform wireless communication with each other,
At least one of the first wireless communication devices is
A jammer transmitter that determines a first schedule for transmitting a jamming wave for jamming communication of the second wireless communication device, and that transmits the jamming wave according to the first schedule;
A determinator that determines a second schedule for performing wireless communication with the other first wireless communication device based on the first schedule without being affected by the interference wave;
A wireless communication device that performs wireless communication with the other first wireless communication device according to the second schedule;
including,
Wireless communication system. The determiner determines the second schedule in which a period for wireless communication performed with the other first wireless communication apparatus does not overlap a transmission period of the jamming wave;
The wireless communication system according to claim 16. The determiner determines the second schedule in which a frequency band used in wireless communication performed with the other first wireless communication device is a frequency band not affected by the interference wave;
The wireless communication system according to claim 16.

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