JP2004040531A - Base station control station and mobile station - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize a television broadcasting service with the device scale of a small mobile station by utilizing the existing mobile communication system. <P>SOLUTION: A base station control station 30 receives television broadcast information from television broadcasting stations 10 and 11 or a relay station 20, converts the received television broadcast information in a format from a transmission format used in television broadcast distribution to a transmission format used in mobile communication and transmits the received television information to a mobile station 50 via base stations 40 and 41. In the base station control station 30, a receiving part 31 receives the television broadcast information, a converting part 32 performs the above format conversion, and a transmitting part 33 transmits the television broadcast information subjected to the format conversion to the base stations 40 and 41. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a base station control station and a mobile station used in a mobile communication system.
[0002]
[Prior art]
Currently, services provided to general users by mobile communication include a voice communication (telephone) function, a data communication function, and a videophone function. In recent years, a service for downloading music / moving image data from a network to a mobile station so that a user can enjoy music and moving images has also been implemented. The apparatus described in Japanese Patent Application Laid-Open No. 2002-10255 is an audio / video data transmitting / receiving apparatus that transmits / receives audio / video data in real time in mobile communication and provides a videophone service.
[0003]
[Problems to be solved by the invention]
By the way, television broadcasting is widely used as a service for providing audio / video data. Anyone who wants to receive the television broadcasting service can receive the audio and video of the television broadcasting at any time as long as the television receiving device is available, and can view it. However, the audio / video data transmitting / receiving device and the television receiver described in the above publication receive data of different transmission formats from different channels. Therefore, the audio / video data transmitting / receiving apparatus cannot provide a television broadcast service to a user, despite having a configuration for receiving and reproducing audio / video data. In addition, if a portable audio / video data transmitting / receiving device is separately provided with a configuration for receiving audio and video for television broadcasting, the size of the device is increased, and the advantage as a portable terminal is reduced.
[0004]
The present invention has been made in view of such a point, and a base station control station and a mobile station capable of realizing a television broadcasting service with a small mobile station apparatus scale using an existing mobile communication system. The purpose is to provide.
[0005]
[Means for Solving the Problems]
The base station control station according to the present invention includes a receiving unit that receives television broadcast information including a television broadcast image and a television broadcast audio, and converts the received television broadcast information from a transmission format used for television broadcast distribution to mobile communication. And a transmitting means for transmitting the format-converted television broadcast information to the base station.
[0006]
According to this configuration, the received TV broadcast information is transmitted in the same transmission format as the information used for the voice communication service and the video phone service already provided in the mobile communication from the transmission format used for the distribution of the TV broadcast. Converted to format. For this reason, a television broadcasting service can be realized in a mobile communication system without adding a device for receiving television broadcasting information having a transmission format used for distribution of television broadcasting inside a mobile station.
[0007]
The base station control station according to the present invention includes: a receiving unit that receives TV broadcast information including a TV broadcast image and a TV broadcast sound; and program information including a TV broadcast program list; and TV broadcast information that receives the received program information. Multiplexing means for multiplexing the program information, conversion means for format-converting the television broadcast information in which the program information is multiplexed from a transmission format used for distribution of the television broadcast to a transmission format used for mobile communication, and the format-converted television broadcast And transmitting means for transmitting information to the base station.
[0008]
According to this configuration, the received television broadcast information and program information are converted from the transmission format used for the distribution of the television broadcast to the information used for the voice communication service or the videophone service already provided in the mobile communication. It is converted to the same transmission format. For this reason, a television broadcast service can be realized in a mobile communication system without adding a device for receiving television broadcast information having a transmission format used for distribution of television broadcasts inside a mobile station. At the same time, a list of television programs provided by the television broadcasting service can be provided. Thereby, the user can grasp the content of the provided television broadcasting service at any time.
[0009]
The mobile station according to the present invention includes a television broadcast image and a television broadcast audio, program information including a television broadcast program list is multiplexed, and the format is changed from a transmission format used for distribution of television broadcast to a transmission format used for mobile communication. Receiving means for receiving the converted TV broadcast information, separating means for separating the program information from the received TV broadcast information, and displaying a TV broadcast image or program information included in the separated TV broadcast information; And output means for outputting television broadcast audio included in the television broadcast information from which the program information is separated.
[0010]
According to this configuration, the mobile station receives the television broadcast information and the program information in a state where the television broadcast information and the program information are converted from the transmission format used for the distribution of the television broadcast to the transmission format used for the mobile communication, and separates them. . Therefore, the user can receive the television broadcasting service without using a general television receiving device, and can know the contents of the provided television broadcasting service.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
The gist of the present invention is to format-convert television broadcast information and program information from a transmission format used for television broadcast distribution to a transmission format used for mobile communication.
[0012]
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0013]
(Embodiment 1)
FIG. 1 is a block diagram showing a mobile communication system including a base station control station according to Embodiment 1 of the present invention.
[0014]
Television broadcast information including television broadcast images and television broadcast audio is distributed from the television broadcast stations 10 and 11 by wire or wirelessly. The distributed television broadcast information has, for example, a transmission format used for existing terrestrial television broadcasts. The television broadcast information transmitted from the television broadcast stations 10 and 11 is received by the base station control station 30. When it is difficult for the base station control station 30 to directly receive television broadcast information from the television broadcast station 10, for example, the relay station 20 is provided. In the base station control station 30, the received television broadcast information is format-converted from a transmission format used for terrestrial television broadcasting to a transmission format used for mobile communication. The format-converted television broadcast information is transmitted to the mobile station 50 via the base stations 40 and 41.
[0015]
Note that the number of each of the television broadcasting station, the relay station, the base station control station, the base station, and the mobile station is not limited to the number shown in FIG.
[0016]
FIG. 2 is a block diagram showing a configuration of the base station control station 30.
[0017]
The receiving unit 31 receives television broadcast information from the television broadcast station 11 or the relay station 20. The received television broadcast information is format-converted by the conversion unit 32 from a transmission format used for terrestrial television broadcasting to a transmission format used for mobile communication. The converted TV broadcast information after format conversion is transmitted from the transmission unit 33 to the base stations 40 and 41. At this time, the converted TV broadcast information may be transmitted after being multiplexed with information on an existing mobile communication service such as voice communication or a videophone.
[0018]
As described above, according to the present embodiment, the received television broadcast information is used for the voice communication service and the videophone service already provided in the mobile communication from the transmission format used for the distribution of the television broadcast. Is converted to the same transmission format as the information. For this reason, a television broadcasting service can be realized without adding a special device for receiving television broadcasting information having a transmission format used for distribution of television broadcasting inside the mobile station.
[0019]
(Embodiment 2)
FIG. 3 is a block diagram showing a configuration of the base station control station 60 according to Embodiment 2 of the present invention. In the base station control station 60, the same components as those of the base station control station 30 shown in FIG.
[0020]
A feature of the present embodiment is that receiving section 61 includes a television broadcast information receiving section 62 for receiving television broadcast information, and a program information receiving section 63 for receiving program information including a television broadcast program list. The program information may be distributed from a television broadcast station as in the case of the television broadcast information, or may be periodically input from a tool such as a personal computer. Here, the TV broadcast program list is a list of TV program titles. Specifically, a list of program titles currently being broadcast by all receivable television broadcast stations, or a list of program titles scheduled to be broadcast by a certain television broadcast station, etc., is a program title. The information is received by the program information receiving unit 63. In the present embodiment, the configuration for receiving television broadcast information and the configuration for receiving program information are independent from each other. However, even if the receiving unit 61 receives both information alone, good.
[0021]
Another feature of the present embodiment is that a multiplexing unit 64 is provided. The multiplexing unit 64 multiplexes the TV broadcast information received by the TV broadcast information receiving unit 62 with the program information received by the program information receiving unit 63. The television broadcast information in which the program information is multiplexed is supplied to the conversion unit 32. The operations of the conversion unit 32 and the transmission unit 33 are the same as in the first embodiment.
[0022]
Next, a mobile station according to Embodiment 2 of the present invention is described with reference to FIG.
[0023]
The converted TV broadcast information receiving unit 51 receives the converted TV broadcast information that has been format-converted and transmitted from the base station control station 60, via one of the base stations 40 and 41. The separating unit 52 separates the program information from the received converted TV broadcast information. Of the television broadcast information from which the program information is separated, the television broadcast image is displayed on the display unit 53. At the same time, the television broadcast audio of the television broadcast information from which the program information is separated is output from the output unit 54. The program information is displayed on the display unit 53 in response to a user operation.
[0024]
As described above, according to the present embodiment, the received TV broadcast information and program information are converted from the transmission format used for the distribution of the TV broadcast to the voice communication service or the video phone service already provided in the mobile communication. Is converted to the same transmission format as the signal used for For this reason, a television broadcasting service can be realized without adding a device for receiving television broadcasting information having a transmission format used for distribution of television broadcasting inside the mobile station. At the same time, a list of television programs provided by the television broadcasting service can be provided.
[0025]
Further, according to the present embodiment, the mobile station receives the television broadcast information and the program information in a state where the transmission format used for the distribution of the television broadcast is converted to the transmission format used for the mobile communication, Separate them. For this reason, the user can receive the television broadcasting service without using a general television receiver, and can know the list of provided television broadcasting programs.
[0026]
【The invention's effect】
As described above, according to the present invention, a television broadcast service can be realized with a small mobile station device scale using an existing mobile communication system.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating a configuration of a mobile communication system according to Embodiment 1 of the present invention. FIG. 2 is a block diagram illustrating a configuration of a base station control station according to Embodiment 1 of the present invention. FIG. 4 is a block diagram showing a configuration of a base station control station according to Embodiment 2 of the present invention. FIG. 4 is a block diagram showing a configuration of a mobile station according to Embodiment 2 of the present invention.
10, 11 TV broadcast station 20 Relay station 30, 60 Base station control station 31, 61 Receiving unit 32 Converting unit 33 Transmitting unit 40, 41 Base station 50 Mobile station 51 Converted TV broadcast information receiving unit 52 Separating unit 53 Display unit 54 Output unit 62 TV broadcast information receiving unit 63 Program information receiving unit 64 Multiplexing unit

Claims (3)

Receiving means for receiving television broadcast information including television broadcast images and television broadcast audio;
Conversion means for format-converting the received television broadcast information from a transmission format used for distribution of the television broadcast to a transmission format used for mobile communication,
Transmitting means for transmitting the format-converted television broadcast information to the base station;
A base station control station comprising: Receiving means for receiving TV broadcast information including a TV broadcast image and TV broadcast audio and program information including a TV broadcast program list;
Multiplexing means for multiplexing the received program information with the received television broadcast information;
Conversion means for format-converting television broadcast information in which program information is multiplexed, from a transmission format used for distribution of television broadcast to a transmission format used for mobile communication;
Transmitting means for transmitting the format-converted television broadcast information to the base station;
A base station control station comprising: The program information including the television broadcast image and the television broadcast sound, and the program information including the television broadcast program list are multiplexed, and the television broadcast information format-converted from the transmission format used for the distribution of the television broadcast to the transmission format used for the mobile communication is converted. Receiving means for receiving;
Separating means for separating program information from received television broadcast information;
Display means for displaying a television broadcast image or program information included in the separated television broadcast information,
Output means for outputting television broadcast audio included in the television broadcast information from which the program information is separated;
A mobile station comprising:

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