JP5484500B2 - Wireless terminal measuring apparatus and wireless terminal measuring method - Google Patents

Description

  The present invention relates to a wireless terminal measuring apparatus and a wireless terminal measuring method for performing measurement on a diversity type or MIMO type terminal device.

  In recent years, with the progress of multimedia, wireless terminal devices (such as mobile phones) on which a plurality of antennas for wireless communication such as cellular and wireless LAN are mounted are actively produced. In such a terminal device, in order to improve radio wave reception quality, two antennas including a main antenna that performs transmission and reception and an auxiliary antenna that performs only reception are mounted, and antennas with higher sensitivity according to reception conditions. Control (diversity control) for switching to reception from the receiver is performed (see, for example, Patent Document 1).

  In addition, the amount of information downloaded from the Internet using terminal equipment has continued to increase in recent years, and in order to increase the amount of information that can be received, radio waves from multiple transmitting antennas on the base station side are received on the terminal equipment side. A MIMO (Multiple Input Multiple Output) method of receiving with an antenna has begun to be used.

  In the production line of terminal equipment having a plurality of wireless communication antennas as described above, the output level and reception sensitivity of transmission radio waves are measured for each wireless communication antenna of the terminal equipment, and whether or not a predetermined standard is satisfied. An inspection to determine whether or not

  In the present situation where inspection of tens of thousands of terminal devices can be required per day, the inspection time that can be applied to each device is very limited, and efficient measurement is required in a short time. Therefore, as a measurement system for performing the above-described inspection, for example, a general-purpose signal generation device or signal analysis device that does not depend on communication standards is used, and the terminal device to be measured is connected to the signal input / output connector of those devices. The use of a measurement system equipped with an external switch box for sequential switching has been attempted to increase the efficiency of inspection.

JP2011-244461A

  However, the above measurement system using an external switch box has a problem that the number of connectors and the number of measurement cables is increased, and therefore it is easily affected by external noise. Further, since the external switch box is created by the operator, it takes time and effort to manually evaluate the loss of the wiring around the external switch box and manually input the correction value to the measuring device. There was also a problem.

  Further, in order to further increase the efficiency of the inspection, a measuring apparatus is desired that can replace a terminal device whose measurement has been completed with a new terminal device during measurement of the terminal device that is the measurement target. Specifically, in order to improve the utilization efficiency of the measuring device, it is configured so that two terminal devices can be connected to one measuring device using an external switch box, and measurement of the terminal device being measured is performed. In addition, it is desired that a terminal device whose measurement has been completed can be replaced with a new terminal device.

  However, in the conventional measurement system using the external switch box, the control of the external switch box and the control of the measuring apparatus are complicated, and it is not easy to efficiently replace the terminal device.

  The present invention has been made to solve such a conventional problem, and a plurality of terminal devices can be connected to a diversity or MIMO terminal device without using an external switch box. Another object of the present invention is to provide a wireless terminal measurement device and a wireless terminal measurement method that facilitate switching of a terminal device to be measured and replacement of a terminal device that is not a measurement target.

  In order to solve the above-described problem, a wireless terminal measurement apparatus according to claim 1 of the present invention includes a first antenna unit that performs full-duplex communication or half-duplex communication, and a second antenna that performs half-duplex communication. A wireless terminal measurement device that performs measurement on a terminal device having a connection unit, the connection unit having a plurality of terminals to which the first and second antenna units of the plurality of terminal devices can be connected, and a test signal A signal generation unit for outputting to the terminal device connected to the connection unit, a response signal from the terminal device to which the test signal is input, or a signal analysis unit for analyzing a transmission signal from the terminal device; The first antenna unit of one of the plurality of terminal devices is selectively connected to the signal generation unit and the signal analysis unit via the connection unit, or of the plurality of terminal devices One said second antenna of A switching unit that selectively connects to either the signal generation unit or the signal analysis unit, and a control unit that controls the signal generation unit, the signal analysis unit, and the switching unit. The configuration is as follows.

  With this configuration, a signal is generated from a connection unit having a plurality of terminals that can connect the first and second antenna units of a plurality of terminal devices, and one first and second antenna units of the plurality of terminal devices. And a switching unit that selectively connects to the signal analysis unit, it is possible to connect a plurality of terminal devices to a diversity type or MIMO type terminal device without using an external switch box, and to measure It is possible to facilitate switching of the terminal devices and replacement of the terminal devices that are not measurement targets.

  In the wireless terminal measuring apparatus according to claim 2 of the present invention, the plurality of terminals of the connection unit include at least two full-duplex communication terminals connectable to the first antenna unit, and the second antenna. And at least two half-duplex communication terminals connectable to the unit.

  In the wireless terminal measurement device according to claim 3 of the present invention, the switching unit includes a first switch group for connecting any of the full-duplex communication terminals to the signal generation unit and the signal analysis unit. A second switch group for connecting any of the half-duplex communication terminals to the signal generation unit or the signal analysis unit, and the test signal from the signal generation unit for the full-duplex communication And a directional coupler that outputs the response signal input from the terminal device via the full-duplex communication terminal to the signal analysis unit. You may do it.

  A wireless terminal measurement method according to claim 4 of the present invention is a plurality of terminals having a first antenna unit that performs full-duplex communication or half-duplex communication and a second antenna unit that performs half-duplex communication. A connection unit having a plurality of terminals to which the first and second antenna units of the device can be connected; a signal generation unit that outputs a test signal to the terminal device connected to the connection unit; and the test signal is input A signal analysis unit that analyzes a response signal from the terminal device or a transmission signal from the terminal device, and the first antenna unit of one of the plurality of terminal devices via the connection unit Is selectively connected to the signal generation unit and the signal analysis unit, or one of the plurality of terminal devices is connected to one of the signal generation unit and the signal analysis unit. A switching unit selectively connected to A radio terminal measurement method using a radio terminal measurement device comprising: the signal generation unit, the signal analysis unit, and a control unit that controls the switching unit, wherein the first and second of the plurality of terminal devices Selected in the connection step of connecting the antenna unit to each terminal of the connection unit, the first selection step of selecting one of the plurality of terminal devices as a measurement target, and the first selection step. A first measurement step for measuring the first antenna unit of the terminal device, and a second measurement step for measuring the second antenna unit of the terminal device selected in the first selection step; A second selection step of selecting, as a measurement object, a terminal device different from the terminal device selected in the first selection step among the plurality of terminal devices; and the terminal device selected in the first selection step The first and second a And a replacement step of removing a tena part from each terminal of the connection part and connecting the first and second antenna parts of a new terminal device to each terminal. ing.

  With this configuration, the connection stage of connecting the first and second antenna units of the plurality of terminal devices to the plurality of terminals of the connection unit, and the first and second of selecting one of the plurality of terminal devices as a measurement target Since there are two selection stages, a plurality of terminal devices can be connected to a diversity or MIMO terminal device without using an external switch box. It is possible to facilitate replacement of terminal devices that are not.

  Further, in the wireless terminal measurement method according to claim 5 of the present invention, the first measurement step includes the first antenna unit of the terminal device selected in the first selection step via the connection unit. A first switching step of selectively connecting to the signal generation unit and the signal analysis unit, and a first output of the test signal to the first antenna unit of the terminal device selected in the first selection step There may be provided a configuration including a signal output stage and a first signal analysis stage for analyzing a response signal from the first antenna unit to which the test signal is input.

  The wireless terminal measurement method according to claim 6 of the present invention is characterized in that the second measurement step includes the second antenna unit of the terminal device selected in the first selection step via the connection unit. A second switching step of selectively connecting to the signal generation unit; a second signal output step of outputting a test signal to the second antenna unit of the terminal device selected in the first selection step; A third switching step of selectively connecting the second antenna unit of the terminal device selected in the first selection step to the signal analysis unit via the connection unit, and the test signal is input And a second signal analyzing step of analyzing a response signal from the second antenna unit.

  In the present invention, a plurality of terminal devices can be connected to a diversity type or MIMO type terminal device without using an external switch box, and the terminal device to be measured is switched and is not a measurement target. A wireless terminal measurement apparatus and a wireless terminal measurement method that facilitate the exchange of terminal equipment are provided.

The block diagram which shows an example of a structure of the radio | wireless terminal measuring device which concerns on this invention The front view of the radio | wireless terminal measuring device which concerns on this invention The conceptual diagram which shows the correspondence of the switching part, the terminal of a connection part, and the antenna part of a terminal device Explanatory diagram for explaining the connection stage and the exchange stage Flowchart of a wireless terminal measurement program executed by the control unit of the wireless terminal measurement apparatus according to the present invention

  Hereinafter, embodiments of a wireless terminal measuring apparatus and a wireless terminal measuring method according to the present invention will be described with reference to the drawings. The wireless terminal measurement apparatus of the present embodiment is a diversity scheme or a MIMO scheme terminal device having a first antenna unit that performs transmission / reception, transmission, or reception and a second antenna unit that performs transmission or reception. It measures the output level and reception sensitivity of transmitted radio waves.

  FIG. 1 is a block diagram illustrating an example of the configuration of the wireless terminal measurement device 1 of the present embodiment. The wireless terminal measurement apparatus 1 can connect the first antenna units 10-1a to 10-Na and the second antenna units 10-1b to 10-Nb of the plurality of terminal devices 10-1 to 10-N to be measured. A plurality of terminals 11-1a to 11-Na, 11-1b to 11-Nb, and test signals corresponding to various communication standards are generated, and the test signals are connected to the connection unit 11. From the signal generator 12 to be output to the terminal devices 10-1 to 10-N and the response signals from the terminal devices 10-1 to 10-N to which the test signals are input, or from the terminal devices 10-1 to 10-N The first antenna unit 10 of the plurality of terminal devices 10-1 to 10-N via the signal analysis unit 13 that analyzes the transmission signal (hereinafter referred to as a terminal transmission signal) and the connection unit 11 −na (n = 1,..., N) as signal generator 12 and A switching unit that selectively connects to the signal analysis unit 13 or selectively connects the second antenna unit 10-nb of the terminal device 10-n to one of the signal generation unit 12 and the signal analysis unit 13 14.

  In addition, the wireless terminal measurement device 1 includes a control unit 15 that controls operations of the signal generation unit 12, the signal analysis unit 13, and the switching unit 14. The control unit 15 may be connected to an external device such as a personal computer via an interface (not shown). In addition, an operation unit 16 through which an operator inputs various instructions and a display unit 17 that displays an analysis result of the signal analysis unit 13 may be connected to the external device.

  Further, the wireless terminal measurement device 1 may include a reception signal analysis unit (not shown) that measures the reception function of the terminal devices 10-1 to 10-N with respect to the test signal from the signal generation unit 12. Further, the wireless terminal measurement device 1 may include a determination unit (not shown) that determines whether or not the measurement value satisfies a predetermined standard. This determination is performed by, for example, evaluating a magnitude relationship between a predetermined threshold value and a measured value, or a difference in output level or reception sensitivity between the first antenna unit 10-na and the second antenna unit 10-nb. This is done by evaluating

  The first and second antenna units 10-1a to 10-Na and 10-1b to 10-Nb of the terminal devices 10-1 to 10-N to be measured have a wireless communication antenna and an RF circuit, respectively. . The first antenna units 10-1a to 10-Na perform transmission / reception, transmission, or reception (full-duplex communication or half-duplex communication), and the second antenna units 10-1b to 10-Nb transmit or receive ( Half-duplex communication).

  Note that the terminal devices 10-1 to 10-N are not limited to the above configuration, and the second antenna unit includes only the wireless communication antenna, the first antenna unit includes the wireless communication antenna, and the second antenna unit. It may have an RF circuit common to the antenna unit.

  Here, as communication standards corresponding to the diversity system, cellular (LTE, W-CDMA, GSM (registered trademark), CDMA2000, 1xEV-DO, TD-SCDMA, etc.), WLAN (IEEE802.11a / b / g / n). Etc.) and television broadcasting (DVB-H, DMB, One Seg, etc.). On the other hand, communication standards compatible with the MIMO scheme include cellular (LTE, etc.) and WLAN (IEEE 802.11n / ac, 802.16, etc.).

  The control unit 15 stores a program for controlling the signal generation unit 12, the signal analysis unit 13, and the switching unit 14 corresponding to the communication standards of the terminal devices 10-1 to 10-N in the memory 15a in advance. Yes. The control unit 15 can receive a new program or a program whose version has been changed from the outside, and can add or update the memory 15a. Further, it is assumed that a correction value for the loss of the wiring inside the wireless terminal measurement device 1 is stored in the memory 15a in advance.

  The signal generation unit 12 includes a baseband signal generation unit 12a and an RF modulation unit 12b. Based on a predetermined clock, the baseband signal generation unit 12a generates an I component baseband signal and a Q component baseband signal that is an orthogonal component signal whose phase is shifted by π / 2 from the I component baseband signal. These baseband signals include control information necessary for the wireless terminal measurement apparatus 1 to function as a pseudo base station for the terminal devices 10-1 to 10-N. The control information includes, for example, instructions necessary for location registration, incoming call, disconnection, and other tests exchanged with the terminal devices 10-1 to 10-N at the pseudo base station.

  The RF modulation unit 12b generates a test signal corresponding to the frequency of each communication standard by mixing the baseband signal received from the baseband signal generation unit 12a with a local signal corresponding to the frequency of each communication standard, The generated test signal is output toward the terminal devices 10-1 to 10-N.

  The signal analysis unit 13 receives the local signal from the RF modulation unit 12b, orthogonally demodulates the response signal or the terminal transmission signal from the terminal device 10-1 to 10-N, and performs the I component baseband signal and the Q component baseband. After conversion into signals, the baseband signals are decoded and analyzed for measurement. For example, the signal analysis unit 13 may perform modulation accuracy measurement, adjacent channel leakage power measurement, power measurement, and the like.

  That is, the signal analysis unit 13 receives a response signal from the terminal devices 10-1 to 10-N with respect to the test signal or a terminal transmission signal from the terminal devices 10-1 to 10-N, and receives the response signal or The above-described measurement relating to the communication function of the terminal devices 10-1 to 10-N is performed using the terminal transmission signal. Note that the signal analysis unit 13 corrects the analysis result using the correction value of the loss of the wiring inside the wireless terminal measurement device 1 stored in advance in the memory 15a.

  The connection unit 11 includes first and second antenna units 10-1a to 10-Na, 10-1b to 10-Nb of the terminal devices 10-1 to 10-N, and the wireless terminal measurement device 1 of the present embodiment. , Are electrically connected. That is, the maximum number of connections to the connection unit 11 of the terminal device to be measured is N. The connection unit 11 has the same number of terminals as the number 2 × N of the first and second antenna units 10-1a to 10-Na and 10-1b to 10-Nb of the N terminal devices 10-1 to 10-N. 11-1a-11-Na, 11-1b-11-Nb are included.

  More specifically, the terminals 11-1a to 11-Na and 11-1b to 11-Nb are connected to the first antenna units 10-1a to 10-Na that perform full-duplex communication (or half-duplex communication). At least two half-duplex communications connectable to at least two full-duplex communication terminals 11-1a to 11-Na that can be connected and the second antenna units 10-1b to 10-Nb that perform half-duplex communication. Terminals 11-1b to 11-Nb.

  The switching unit 14 includes a plurality of connection states that electrically connect the first and second antenna units 10-1a to 10-Na, 10-1b to 10-Nb to the signal generation unit 12 and the signal analysis unit 13 ( (Transmission / reception state, transmission state, or reception state).

  More specifically, the switching unit 14 includes a first switch group for connecting any of the full-duplex communication terminals to the signal generation unit 12 and the signal analysis unit 13, and any of the half-duplex communication terminals. A second switch group for connecting the signal generator 12 to the signal analyzer 13 and the test signal from the signal generator 12 are output to the full-duplex communication terminal, and the terminal devices 10-1 to 10-10. A directional coupler that outputs a response signal input from −N through the full-duplex communication terminal to the signal analysis unit 13.

  FIG. 2 is a front view of the wireless terminal measurement apparatus 1 of the present embodiment. FIG. 3 is a conceptual diagram illustrating a correspondence relationship between the switching unit 14, the terminals of the connection unit 11, and the antenna unit of the terminal device. In the example shown in FIGS. 2 and 3, it is assumed that the maximum number of connections of the terminal device to the wireless terminal measuring apparatus 1 is two (N = 2).

  As shown in FIG. 3, the switching unit 14 includes switches 14 a-1, 14 a-2, 14 b-1 and 14 b-2 as a first switch group, and switches 14 a-1 and 14 a as a second switch group. -2, 14b-3 to 14b-6, and directional couplers 14c-1 and 14c-2. Here, the switches 14a-1 and 14a-2 are included in both the first and second switch groups.

  The directional couplers 14c-1 and 14c-2 are broadband couplers that pass the output frequency of the test signal of the signal generator 12, and are configured by, for example, a Wilkinson distributor. The directional couplers 14c-1 and 14c-2 output the test signals from the signal generation unit 12 to the full-duplex communication terminals 11-1a and 11-2a, respectively, and the first antenna units 10-1a and 10-1 -2a is output to the signal analysis unit 13 as a response signal.

  In the example illustrated in FIG. 3, the transmission / reception state with respect to the first antenna units 10-1a and 10-2a performing full-duplex communication is the first switch group (switches 14a-1, 14a-2, 14b-1, 14b-2).

  That is, in the transmission / reception state with respect to the first antenna unit 10-1a, the test signal from the signal generation unit 12 passes through the switch 14a-1, the switch 14b-1, and the directional coupler 14c-1. To the antenna unit 10-1a. The response signal from the first antenna unit 10-1a reaches the signal analysis unit 13 via the directional coupler 14c-1, the switch 14b-2, and the switch 14a-2.

  On the other hand, in the transmission / reception state with respect to the first antenna unit 10-2a, the test signal from the signal generation unit 12 passes through the switch 14a-1, the switch 14b-1, and the directional coupler 14c-2. To the antenna unit 10-2a. The response signal from the first antenna unit 10-2a reaches the signal analysis unit 13 via the directional coupler 14c-2 → switch 14b-2 → switch 14a-2.

  The transmission state for the second antenna unit 10-1b that performs half-duplex communication is realized by switching the switches 14a-1, 14b-3, and 14b-5 in the second switch group. On the other hand, the reception state for the second antenna unit 10-1b is realized by switching 14a-2, 14b-4, and 14b-5 in the second switch group.

  That is, in the transmission state for the second antenna unit 10-1b, the test signal from the signal generation unit 12 passes through the switch 14a-1, the switch 14b-3, and the switch 14b-5, and then the second antenna unit 10-1b. 10-1b is reached. Further, the response signal or the terminal transmission signal from the second antenna unit 10-1b reaches the signal analysis unit 13 via the switch 14b-5 → the switch 14b-4 → the switch 14a-2.

  In addition, the transmission state for the second antenna unit 10-2b that performs half-duplex communication is realized by switching the switches 14a-1, 14b-3, and 14b-6 in the second switch group. On the other hand, the reception state for the second antenna unit 10-2b is realized by switching the 14a-2, 14b-4, and 14b-6 in the second switch group.

  That is, in the transmission state for the second antenna unit 10-2b, the test signal from the signal generation unit 12 passes through the switch 14a-1, the switch 14b-3, and the switch 14b-6, and then the second antenna unit 10-2b. 10-2b is reached. Further, the response signal or the terminal transmission signal from the second antenna unit 10-2b reaches the signal analysis unit 13 via the switch 14b-6 → the switch 14b-4 → the switch 14a-2.

  Next, a radio terminal measurement method using the radio terminal measurement apparatus 1 according to the present invention will be described. The wireless terminal measurement method according to the present invention includes a connection stage, a first and a second selection stage, a first measurement stage (a first switching stage, a first signal output stage, and a first signal analysis stage), A second measurement stage (a second switching stage, a second signal output stage, a third switching stage, and a second signal analysis stage) and an exchange stage are included.

  FIG. 4 is an explanatory diagram for explaining the connection stage and the exchange stage. As shown in FIG. 4A, at the connection stage, the operator performs the first and second antenna units of a plurality of terminal devices 10-1 to 10-N (N = 2 in the example of FIG. 4). Terminals from 10-1a to 10-Na, 10-1b to 10-Nb, and terminals 11-1a to 11-Na and 11-1b to 11-Nb of the connection unit 11 of the wireless terminal measurement device 1 It is connected via a cable such as a coaxial cable.

  And in the 1st and 2nd measurement step, the control part 15 performs the measurement with respect to the terminal device (for example, terminal device 10-1) selected in the 1st or 2nd selection step.

  Next, as shown in FIGS. 4B and 4C, in the replacement stage, the first and second of the terminal device 10-1 selected in the first or second selection stage by the operator. The antenna units 10-1a and 10-1b are removed from the terminals 11-1a and 11-1b of the connection unit 11 (FIG. 4B). Then, the operator connects the first and second antenna units of the new terminal device 10-1 ′ to the terminals 11-1a and 11-1b of the connection unit 11 (FIG. 4C).

  In parallel with the above-described exchange step, the first and second measurement steps for the terminal device 10-2 may be executed. After the measurement for the terminal device 10-2 is completed, the first and second antenna units 10-2a and 10-2b of the terminal device 10-2 are connected to the terminals 11-2a and 11 of the connection unit 11 by the operator. -2b (FIG. 4 (d)). Then, the first and second antenna units of the new terminal device are connected to the terminals 11-2a and 11-2b of the connection unit 11 by the operator.

  That is, a process of connecting a plurality of terminal devices to the wireless terminal measuring apparatus 1 and sequentially replacing the terminal devices whose measurement has been completed with new terminal devices is repeated.

  Hereinafter, the processes of the first and second selection stages and the first and second measurement stages will be described. The operator can select the terminal device 10-n (n = 1,..., N) to be measured from the operation unit 16.

  FIG. 5 is a flowchart of a wireless terminal measurement program executed by the control unit 15 of the wireless terminal measuring apparatus 1.

  First, the control unit 15 confirms that an instruction signal instructing measurement for one terminal device 10-n (n = 1,..., N) is transmitted from the operation unit 16 (step S40). The process of step S40 corresponds to a first selection stage in which one of a plurality of terminal devices is selected as a measurement target.

  When an instruction signal is transmitted from the operation unit 16, the control unit 15 sends an instruction signal to the switching unit 14, and the terminal device 10 selected in the first selection stage with each switch of the switching unit 14. It switches to the transmission / reception state with respect to -n 1st antenna part 10-na (step S41). That is, the first antenna unit 10-na is selectively connected to the signal generation unit 12 and the signal analysis unit 13.

  Next, the control unit 15 sends an instruction signal to the signal generation unit 12, and outputs a test signal corresponding to the communication standard of the first antenna unit 10-na to the first antenna unit 10-na (step). S42).

  Then, the control unit 15 sends an instruction signal to the signal analysis unit 13, analyzes the response signal from the first antenna unit 10-na to the test signal, and stores the analysis result in the memory 15a (step S1). S43). The control unit 15 can also output the analysis result stored in the memory 15 a to an external device in accordance with an instruction from the operation unit 16.

In step S43, the control unit 15 notifies the signal analysis unit 13 of the correction value of the internal wiring loss related to the transmission / reception state stored in advance in the memory 15a. As a result, it is possible to save the operator from manually inputting the correction value for the loss of the internal wiring in the measurement system using the conventional external switch box.
The processes in steps S41 to S43 correspond to a first measurement stage in which measurement is performed on the first antenna unit of the terminal device selected in the first selection stage.

  Next, the control unit 15 sends an instruction signal to the switching unit 14, and switches each switch of the switching unit 14 to the second antenna unit 10-nb of the terminal device 10-n selected in the first selection stage. The transmission state is switched to (step S44). That is, the second antenna unit 10-nb is selectively connected to the signal generation unit 12.

  Next, the control unit 15 sends an instruction signal to the signal generation unit 12 and outputs a test signal corresponding to the communication standard of the second antenna unit 10-nb to the second antenna unit 10-nb (step). S45).

  Next, the control unit 15 sends an instruction signal to the switching unit 14, and switches each switch of the switching unit 14 to the second antenna unit 10-nb of the terminal device 10-n selected in the first selection stage. The reception state is switched to (step S46). That is, the second antenna unit 10-nb is selectively connected to the signal analysis unit 13. The control unit 15 can also output the analysis result stored in the memory 15 a to an external device in accordance with an instruction from the operation unit 16.

  In step S44 and S46, the control unit 15 notifies the signal analysis unit 13 of the correction value of the internal wiring loss related to the transmission state and the reception state stored in advance in the memory 15a. As a result, it is possible to save the operator from manually inputting the correction value for the loss of the internal wiring in the measurement system using the conventional external switch box.

Then, the control unit 15 sends an instruction signal to the signal analysis unit 13, analyzes the response signal from the second antenna unit 10-nb to the test signal, and stores the analysis result in the memory 15a (step S1). S47).
The processes in steps S44 to S47 described above correspond to a second measurement stage in which measurement is performed on the second antenna unit of the terminal device selected in the first selection stage.

  And the control part 15 returns to the process of step S40, and confirms that the instruction | indication signal which instruct | indicates the measurement with respect to one terminal device 10-m (≠ n) from the operation part 16 was transmitted. The process in step S40 at this time corresponds to a second selection stage in which a terminal device different from the terminal device selected in the first selection stage is selected as a measurement target.

  In the subsequent steps S41 to S47, the second selection stage is appropriately replaced with the first selection stage, and m is replaced with n. The control unit 15 repeatedly executes the processes of steps S40 to S47 until receiving a measurement end instruction signal from the operation unit 16.

  In addition, although the example which performs the test | inspection of 1st antenna part 10-na before the test | inspection of 2nd antenna part 10-nb was shown in the flowchart of FIG. 5, the test | inspection of 2nd antenna part 10-nb is shown. May be performed first.

  In the case where the second antenna unit 10-nb has only the second wireless communication antenna, and the first antenna unit 10-na has the first wireless communication antenna and a common RF circuit. The processing in steps S44 and S45 (or S46 and S47) may be omitted, and it may be checked only whether the second antenna unit 10-nb is normally connected to the common RF circuit.

  As described above, the wireless terminal measurement device and the wireless terminal measurement method according to the present invention include a connection unit having a plurality of terminals to which the first and second antenna units of a plurality of terminal devices can be connected, and a plurality of terminals. Since it has a switching unit that selectively connects the first and second antenna units of one of the devices to the signal generation unit and the signal analysis unit, an external switch box is provided for a diversity or MIMO terminal device. A plurality of terminal devices can be connected without using them, and the switching of the terminal devices to be measured and the replacement of the terminal devices not being measured can be facilitated.

  The wireless terminal measurement apparatus and wireless terminal measurement method according to the present invention are useful as test apparatuses for diversity or MIMO mobile phones and smartphones.

DESCRIPTION OF SYMBOLS 1 Radio | wireless terminal measuring apparatus 10-1 to 10-N Terminal device 10-1a, 10-2a to 10-Na 1st antenna part 10-1b, 10-2b to 10-Nb 2nd antenna part 11 Connection part 11 -1a, 11-2a to 11-Na Full-duplex communication terminals 11-1b, 11-2b to 11-Nb Half-duplex communication terminals 12 Signal generator 12a Baseband signal generator 12b RF modulator 13 Signal analysis Unit 14 switching unit 14a-1, 14a-2, 14b-1 to 14b-6 switch 14c-1, 14c-2 directional coupler 15 control unit 15a memory 16 operation unit 17 display unit

Claims (6)

It has the 1st antenna part (10-1a-10-Na) which performs full-duplex communication or half-duplex communication, and the 2nd antenna part (10-1b-10-Nb) which performs half-duplex communication A wireless terminal measurement device that performs measurement on terminal devices (10-1 to 10-N),
A connection unit (11) having a plurality of terminals (11-1a to 11-Na, 11-1b to 11-Nb) to which the first and second antenna units of the plurality of terminal devices can be connected;
A signal generation unit (12) for outputting a test signal to the terminal device connected to the connection unit;
A signal analysis unit (13) for analyzing a response signal from the terminal device to which the test signal is input or a transmission signal from the terminal device;
The first antenna unit of one of the plurality of terminal devices is selectively connected to the signal generation unit and the signal analysis unit via the connection unit, or of the plurality of terminal devices A switching unit (14) for selectively connecting one of the second antenna units to any one of the signal generation unit and the signal analysis unit;
A wireless terminal measurement apparatus comprising: the signal generation unit, the signal analysis unit, and a control unit (15) that controls the switching unit.   The plurality of terminals of the connection unit include at least two full-duplex communication terminals (11-1a to 11-Na) connectable to the first antenna unit and at least connectable to the second antenna unit. The wireless terminal measurement device according to claim 1, comprising two half-duplex communication terminals (11-1b to 11-Nb). The switching unit is
A first switch group (14a-1, 14a-2, 14b-1, 14b-2) for connecting any one of the full-duplex communication terminals to the signal generation unit and the signal analysis unit;
A second switch group (14a-1, 14a-2, 14b-3 to 14b-6) for connecting any of the half-duplex communication terminals to the signal generation unit or the signal analysis unit;
The test signal from the signal generation unit is output to the full-duplex communication terminal, and the response signal input from the terminal device via the full-duplex communication terminal is output to the signal analysis unit. The wireless terminal measurement device according to claim 2, further comprising a directional coupler (14 c-1, 14 c-2). It has the 1st antenna part (10-1a-10-Na) which performs full-duplex communication or half-duplex communication, and the 2nd antenna part (10-1b-10-Nb) which performs half-duplex communication Connection which has several terminal (11-1a-11-Na, 11-1b-11-Nb) which can connect the said 1st and 2nd antenna part of several terminal equipment (10-1-10-N). Part (11),
A signal generation unit (12) for outputting a test signal to the terminal device connected to the connection unit;
A signal analysis unit (13) for analyzing a response signal from the terminal device to which the test signal is input or a transmission signal from the terminal device;
The first antenna unit of one of the plurality of terminal devices is selectively connected to the signal generation unit and the signal analysis unit via the connection unit, or of the plurality of terminal devices A switching unit (14) for selectively connecting one of the second antenna units to any one of the signal generation unit and the signal analysis unit;
A wireless terminal measurement method using a wireless terminal measurement device (1) comprising: the signal generation unit, the signal analysis unit, and a control unit (15) for controlling the switching unit,
A connection step of connecting the first and second antenna units of the plurality of terminal devices to the terminals of the connection unit;
A first selection step of selecting one of the plurality of terminal devices as a measurement target;
A first measurement stage for measuring the first antenna unit of the terminal device selected in the first selection stage;
A second measurement step of measuring the second antenna unit of the terminal device selected in the first selection step;
A second selection step of selecting, as a measurement target, a terminal device different from the terminal device selected in the first selection step among the plurality of terminal devices;
The first and second antenna units of the terminal device selected in the first selection stage are removed from the terminals of the connection unit, and the first and second antenna units of a new terminal device are A wireless terminal measurement method comprising: an exchange stage connected to each terminal. The first measuring step includes
A first switching step of selectively connecting the first antenna unit of the terminal device selected in the first selection step to the signal generation unit and the signal analysis unit via the connection unit;
A first signal output stage for outputting a test signal to the first antenna unit of the terminal device selected in the first selection stage;
The wireless terminal measurement method according to claim 4, further comprising: a first signal analysis step of analyzing a response signal from the first antenna unit to which the test signal is input. The second measuring step includes
A second switching step of selectively connecting the second antenna unit of the terminal device selected in the first selection step to the signal generation unit via the connection unit;
A second signal output stage for outputting a test signal to the second antenna unit of the terminal device selected in the first selection stage;
A third switching step of selectively connecting the second antenna unit of the terminal device selected in the first selection step to the signal analysis unit via the connection unit;
The wireless terminal measurement method according to claim 4, further comprising: a second signal analysis step of analyzing a response signal from the second antenna unit to which the test signal is input.

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