JP4823661B2 - Wireless communication terminal and distribution data reproduction method - Google Patents

Description

  The present invention relates to a wireless communication terminal and a distribution data reproduction method capable of easily reproducing received distribution data.

  In recent years, a wireless service called BCMCS (Broadcast Multicast Service) has been proposed from the viewpoint of effective use of a wireless line. This is a broadcasting service in which a part of a communication channel called a broadcast channel can be used by all wireless communication terminals in a wireless communication area and a single line is received simultaneously by a plurality of wireless communication terminals. By using this service, it becomes possible for each radio base station to send common information to radio communication terminals in the area. In addition, since it is not necessary for each wireless communication terminal to establish a separate line, large-capacity data distribution such as news and movies can be performed, and the utilization efficiency of the wireless line can be improved. In addition, since control is possible in units of base stations, it is possible to distribute information related to a region more than a general wide area broadcast service.

Here, the BCMCS content distribution procedure will be briefly described. The radio base station broadcasts service information that can be provided as broadcast information to all wireless communication terminals in its own wireless communication area. The wireless communication terminal receives this information, and can start receiving the identification information for identifying the service desired to be received by registering with the wireless base station. The radio base station receives registration information from the radio communication terminal, and starts providing a service (providing information content) when a service desired to be received by the radio communication terminal is not currently provided. Also, from the viewpoint of effective use of radio resources, the BCMCS stops providing information content when there is no user, releases the radio resources used as the BCMCS, and reuses that part on the general channel. Doing things.
Note that data distribution by the broadcast / multicast service is described in, for example, Patent Document 1.
JP 2005-524367 A

  Distribution data by conventional BCMCS distribution and the like can distribute various contents. However, since the wireless communication terminal that has received the distributed data is configured to store the received distribution data in the terminal in the order in which it is received, when the user intends to reproduce desired content, the content list on the screen There is a problem that the operation for instructing the reproduction must be performed while selecting the content to be reproduced while referring to the above, and the user's operation becomes complicated.

  The present invention has been made in view of such circumstances, and provides a wireless communication terminal and a distribution data reproduction method capable of reproducing desired distribution data from received distribution data by a simple operation. Objective.

A wireless communication terminal according to the present invention includes a receiving unit that receives distribution data to which channel identification information that is identification information for identifying a genre of distribution data is assigned, a storage unit that stores the received distribution data, and a reception unit Based on the channel identification information given to the distribution data, the distribution data storage means for classifying the distribution data for each channel identification information and storing it in the storage means, and a plurality of the channel identification information respectively correspond to each other. a ten-key which is allocated Te, in a state in which the distribution distribution data more stored classified for each channel identification information in the data storage means is stored in the storage means, any of the keys of the ten key is depressed case, a distribution data channel identification information is assigned being allocated in response to the pressed key, to the storage means And distribution data reproducing means for reproducing憶been distributed data, characterized by comprising a.

According to the present invention, the distribution data is data distributed in a plurality of blocks,
The distribution data storage means includes a reception buffer for temporarily storing the distribution data received by the reception means, and when reception of the distribution data is started by the reception means, the blocks constituting the distribution data are received. When all of the blocks constituting the distribution data stored in the buffer are received, the distribution means stores the data as one distribution data in the storage means.

In the present invention, the distribution data is distribution data by a broadcast service,
The receiving means receives the distribution data broadcasted in units of blocks to a plurality of terminals including the terminal itself.

A distribution data reproduction method according to the present invention is a distribution data reproduction method in a wireless communication terminal provided with storage means for storing received distribution data and a numeric keypad, and is a channel that is identification information for identifying a genre of distribution data Based on the receiving step of receiving distribution data to which identification information is added and the channel identification information given to the received distribution data, the distribution data is classified for each channel identification information and stored in the storage means. A distribution data storing step, an allocation step of allocating a plurality of the channel identification information corresponding to each of the numeric keys, and a state in which distribution data classified and stored for each channel identification information is stored in the storage means in the case where one of the keys of the ten-key is pressed, it is allocated in correspondence with the pressed key A distribution data channel identification information is assigned that is characterized by having a a distribution data reproducing step of reproducing the distributed data stored in the storage means.

  In the present invention, the distribution data is data distributed in a plurality of blocks, and the wireless communication terminal includes a reception buffer that temporarily stores the distribution data received in the reception step, and the distribution In the data storage step, when reception of the distribution data is started by the receiving means, the blocks constituting the distribution data are stored in the reception buffer, and when all the blocks constituting the distribution data can be received, It is stored in the storage means as distribution data.

  In the present invention, the distribution data is distribution data by a broadcast service, and the receiving step includes a process of receiving the distribution data that is simultaneously distributed in a block unit to a plurality of terminals including its own terminal. It is characterized by that.

  According to the present invention, the received distribution data is classified and stored for each channel to which the distribution data belongs based on the channel identification information given to the received distribution data, and the operation key assigned to each channel is stored. When the button is pressed, the distribution data of the channel assigned to the operation key is read and reproduced, so that it is possible to reproduce the desired distribution data by a simple operation.

  Hereinafter, a wireless communication terminal according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of the embodiment. In this figure, reference numeral 1 denotes a control unit that controls the overall processing operation of the wireless communication terminal. Reference numeral 2 denotes an input unit composed of a key panel on which dial keys, function keys and the like are arranged. Reference numeral 3 denotes a display unit composed of a liquid crystal display device or the like, and is used for displaying reproduced data. Reference numeral 6 denotes a wireless communication unit that establishes wireless communication with a base station and realizes a telephone function and information communication. Reference numeral 5 denotes a voice processing unit that performs a voice call using the communication line established by the wireless communication unit 4, and includes a microphone 6 that collects the voice of the speaker and a speaker 7 that emits the voice of the other party. Connected. Reference numeral 8 denotes a storage unit that stores distribution data distributed from the base station, classified by channel. In the storage unit 8, distribution data storage areas for 12 channels of 1 channel to 12 channels are prepared in advance. Reference numeral 9 denotes a data storage unit that classifies the distribution data received from the base station via the communication line established by the wireless communication unit 4 and stores the distribution data in the storage unit 8. Reference numeral 10 denotes a data reproducing unit that reads distribution data of a channel selected by operating the input unit 2 from the storage unit 8 and reproduces it. Reference numeral 11 denotes a speaker that generates a ringtone or a musical tone of content data.

  The dial keys “1” to “9” of the input unit 2 are assigned shortcut keys for executing distribution data reproduction of 1ch (channel) to 9ch, respectively, and the dial keys “0”, “*”, “#” are assigned. Are assigned shortcut keys for executing 10ch, 11ch, and 12ch distribution data reproduction.

  Here, the configuration of content that is distribution data distributed from the base station to BCMCS will be described. The content data to be distributed is assigned a content ID that can uniquely identify the content. The content ID includes channel identification information for identifying a channel and program identification information for identifying a program. When content is divided into a plurality of packets and distributed, packet information for identifying the packets is given to each packet. Therefore, a content packet when content is divided into a plurality of packets can be uniquely identified by a combination of a channel identification number, program identification information, and packet information.

  The channel identification information here corresponds to identification information for identifying a content distribution source and identification information for identifying a genre of distribution content. The program identification information is information that can identify the contents (program contents such as news, weather forecasts, movies, and dramas). Here, the packet identification name when the channel identification information is “1ch”, the program identification information is “1”, and the packet information is “a” is denoted as “1-1-a”. Also, the identification name of the content restored by combining a plurality of packets whose channel identification information is “1ch” and whose program identification information is “1” is denoted as “1-1”.

Next, an operation of receiving distribution data (content) in the wireless communication terminal shown in FIG. 1 and storing the received distribution data in the storage unit 8 will be described with reference to FIG.
First, the radio base station broadcasts information about distribution data that can be provided by BCMCS distribution to all radio communication terminals in its own radio communication area as broadcast information. The wireless communication terminal receives this information, and can start receiving the identification information for identifying the service desired to be received by registering with the wireless base station. When distribution of content data is started, the data storage unit 9 receives a content packet obtained by dividing the distribution content data into a plurality of pieces via the wireless communication unit 4 (step S1). And the data storage part 9 specifies content ID based on the packet identification name of the received content packet (step S2). Subsequently, the data storage unit 9 classifies the received content packet for each specified content ID and stores it inside (step S3). As a result, the content packets classified for each channel and each program are temporarily held in the data storage unit 9.

  Next, the data storage unit 9 confirms the reception status of content packets temporarily held therein (step S4), and determines whether or not all content packets with matching content IDs have been prepared (step S5). This determination is performed based on whether or not the received content packet includes information indicating that it is the last packet. If all the content packets are not found as a result of this determination, the data storage unit 9 returns to step S1 and continues the content packet receiving operation. On the other hand, when all the content packets with the matching content ID are prepared, the data storage unit 9 restores the content data by sequentially combining the content packets with the matching content ID based on the packet information (step S6). Then, the data storage unit 9 stores the restored content data in the distribution data storage area of the storage unit 8 that matches the channel identification information of the content ID of the restored content (step S7).

  Next, the operation shown in FIG. 2 will be described with a specific example with reference to FIG. FIG. 3 is a diagram showing a detailed configuration of the data storage unit 9 shown in FIG. When the data storage unit 9 receives the content packet (step S1) and identifies the content ID based on the packet identification name of the received content packet, “1-1” is obtained as the content ID (step S1). S2). The data storage unit 9 temporarily holds the content packet whose content ID of the received content packet is “1-1” in the reception buffer 91 (step S3). As a result, the content buffer whose content ID is “1-1” is held in the reception buffer 91 only. When the received content packet includes a content packet including information indicating that it is the last packet (steps S4 and S5), the content packets P1, P2, and P3 held in the reception buffer 91 are received. , P4 is moved to the work area 92.

  At this time, the data storage unit 9 sequentially combines the four content packets P1, P2, P3, and P4 based on the packet information (here, a, b, c, and d) assigned to each content packet. As a result, content packets having packet identification names “1-1-a”, “1-1-b”, “1-1-c”, and “1-1-d” are joined to the work area 92. The restored restored content data C is held (step S6). Then, the data storage unit 9 stores the restored content data in the distribution data storage area of the storage unit 8 that matches the channel identification information of the content ID of the restored content data C. Since the channel ID information of the content ID is “1”, the content data C is stored in the distribution data storage area of “1ch” in the storage unit 8 (step S7). With this operation, the storage unit 8 classifies and stores the distribution content data for each channel identification information given to the distributed data.

  The distribution data storage area for each channel in the storage unit 8 determines the upper limit value of the data amount to be stored in advance, and when the distribution data is to be stored, the distribution data storage area exceeds the upper limit value of the data amount to be stored. The data storage unit 9 deletes the distribution data with the old reception date and time from the storage unit 8 so that the newly received distribution data is always stored in the storage unit 8.

Next, with reference to FIG. 4, the operation of reproducing the distribution data (content) stored in the storage unit 8 in the wireless communication terminal shown in FIG. 1 will be described.
First, the user operates the input unit 2 to switch to a mode for reproducing distribution content data, and presses a dial key (any one of 1 to 9, 0, *, and #) corresponding to reproduction of distribution data of a desired channel. Press. The control unit 1 reads the operation content of the input unit 2 (step S11), determines whether or not the operation content is reproduction of the distribution content data (step S12), and performs the reproduction of the distribution content data. The dial key that is pressed is specified. Then, the control unit 1 identifies channel identification information assigned to the pressed dial key.

  Next, the control unit 1 outputs the specified channel identification information and content data reproduction instruction to the data reproduction unit 10. In response to this, the data reproduction unit 10 reads content data to be reproduced from the storage unit 8 based on the channel identification information output from the control unit 1 (step S13). For example, if the channel identification information is “1”, the content data stored in the distribution data storage area of “1ch” is read.

  Next, the data reproducing unit 10 reproduces the read content data (step S14). As a result, the distribution content data is reproduced, the character information and the image information are displayed on the display unit 3, and the sound is pronounced from the speaker 11.

  In this way, the received distribution data is classified and stored for each channel to which the distribution data belongs based on the channel identification information given to the received distribution data, and the operation key assigned to each channel is pressed. In this case, since the distribution data of the channel assigned to the operation key is read and reproduced, the desired distribution data can be reproduced by a simple operation. In particular, since the channel and the operation key are paired, it is possible to reproduce the distribution data as if operating a television remote control.

  The distributed content data may be data divided into a plurality of blocks. For example, in the case of movie content, it is divided into three blocks according to the content content such as “first part”, “second part”, and “performer information”, and each block is distributed. The data storage unit 9 temporarily stores content packets obtained by dividing each block into a plurality of packets in the reception buffer 91, and at the time when all the content packets constituting one block have been received, One block is restored by combining the packets constituting the block. Then, the restored blocks are held in the work area 92, and when all the blocks are restored in the work area 92, each block held in the work area 92 is set as one content data. Store in the storage unit 8. By doing so, in the case of data having a large data size, such as movie content, a reception time corresponding to the communication line that receives the distribution data is required until all the packets are arranged in the reception buffer 91. However, if distribution is performed in a plurality of blocks, when all the packets that make up one block are prepared, it is possible to perform packet combining processing in parallel with the distribution data reception operation, and restore content data. The processing can be speeded up.

  The wireless communication terminal of the present invention includes a mobile phone using mobile communication, a personal digital assistant (PDA) having a mobile communication function, a mobile terminal, a car navigation device, and the like.

  The program for realizing the function of the processing unit in FIG. 1 is recorded on a computer-readable recording medium, and the program recorded on the recording medium is read into a computer system and executed to receive distribution data. Processing and reproduction processing may be performed. Here, the “computer system” includes an OS and hardware such as peripheral devices. The “computer system” includes a WWW system having a homepage providing environment (or display environment). The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Further, the “computer-readable recording medium” refers to a volatile memory (RAM) in a computer system that becomes a server or a client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. In addition, those holding programs for a certain period of time are also included.

  The program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium. Here, the “transmission medium” for transmitting the program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line. The program may be for realizing a part of the functions described above. Furthermore, what can implement | achieve the function mentioned above in combination with the program already recorded on the computer system, and what is called a difference file (difference program) may be sufficient.

It is a block diagram which shows the structure of one Embodiment of this invention. 3 is a flowchart showing an operation of receiving distribution data in the wireless communication terminal shown in FIG. It is explanatory drawing which shows the processing operation of the data storage part 9 shown in FIG. 3 is a flowchart showing an operation of reproducing distribution data in the wireless communication terminal shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Control part, 2 ... Input part, 3 ... Display part, 4 ... Wireless communication part, 5 ... Sound processing part, 6 ... Microphone, 7 ... Speaker, 8 ... Storage unit, 9 ... Data storage unit, 10 ... Data reproduction unit, 11 ... Speaker

Claims (6)

Receiving means for receiving distribution data to which channel identification information, which is identification information for identifying the genre of distribution data, is provided;
Storage means for storing the received distribution data;
Distribution data storage means for classifying the distribution data for each channel identification information and storing it in the storage means based on the channel identification information given to the received distribution data;
A numeric keypad corresponding to each of the plurality of channel identification information,
In a state in which the distribution data storage means to a more distributed stored classified for each channel identification information data stored in said storage means, when any of the keys of the ten-key is pressed, is pressed Distribution data reproducing means for reproducing the distribution data stored in the storage means, wherein the distribution data is assigned with the channel identification information assigned corresponding to the key.
A wireless communication terminal comprising: The distribution data is data distributed in a plurality of blocks,
The distribution data storage means includes a reception buffer for temporarily storing the distribution data received by the reception means,
When reception of the distribution data is started by the receiving means, the blocks constituting the distribution data are stored in the reception buffer, and when all the blocks constituting the distribution data are received, the storage data is stored as one distribution data. The wireless communication terminal according to claim 1, wherein the wireless communication terminal is stored in the means. The distribution data is distribution data by a broadcast service,
The wireless communication terminal according to claim 2, wherein the reception unit receives the distribution data that is simultaneously distributed in a block unit to a plurality of terminals including the terminal itself. A distribution data reproduction method in a wireless communication terminal provided with storage means for storing received distribution data and a numeric keypad,
A receiving step of receiving distribution data to which channel identification information that is identification information for identifying a genre of distribution data is given;
A distribution data storage step of classifying the distribution data into channel identification information based on the channel identification information given to the received distribution data and storing the distribution data in the storage unit;
An assigning step of assigning a plurality of channel identification information corresponding to each of the numeric keys;
When any one of the ten keys is pressed in a state where the distribution data classified and stored for each channel identification information is stored in the storage means, an allocation is performed corresponding to the pressed key. Distribution data reproduction step for reproducing the distribution data stored in the storage means, wherein the distribution data is provided with the channel identification information.
A delivery data reproduction method characterized by comprising: The distribution data is data distributed in a plurality of blocks,
The wireless communication terminal includes a reception buffer for temporarily storing the distribution data received in the reception step,
The delivery data storage step includes
When reception of the distribution data is started by the receiving means, the blocks constituting the distribution data are stored in the reception buffer, and when all the blocks constituting the distribution data are received, the storage data is stored as one distribution data. 5. The distribution data reproduction method according to claim 4, wherein the distribution data reproduction method is stored in a means. The distribution data is distribution data by a broadcast service,
6. The distribution data reproduction method according to claim 5, wherein the reception step includes a process of receiving the distribution data that is simultaneously distributed in a block unit to a plurality of terminals including the terminal itself.

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