JP2001197021A - Character information broadcasting method by digital radio telephone and broadcasting system therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a character information broadcasting system by digital radio telephone, which can provide many different pieces of character information selectively for all subscribers by areas at the same time and also provide emergency information without delay, and broadcasting system therefor. SOLUTION: This system is equipped with a broadcasting center 20 which obtains plural contents from an information service providing source, converts the contents into packets for a cell broadcasting map including one broadcasting channel in an on-air period, and downloads them, an exchange 13 which receives the packets for the cell broadcasting map downloaded from the broadcasting center 20, sets the packets by superframes of an exclusively provided physical channel for broadcasting, and transmits them to a base station 12 of a specified broadcasting area, and a mobile device 11 which receives the physical channel for broadcasting transmitted from the exchange 13 through the base station 12 and displays the contents by a display part 44.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital radio telephone capable of providing broadcast type text information comprising a large number of channels from a network side and selectively receiving and displaying the text information on a mobile device side. The present invention relates to a text information broadcasting method and a broadcasting system thereof.

[0002]

2. Description of the Related Art Conventionally, in a digital radio telephone system, a digital radio telephone which can easily access a wide range of information service providers based on a user request from a mobile station and can interactively receive necessary information services. Has been realized. In addition, a service for so-called Internet browsing has been realized in which a file such as a homepage of a web server on the Internet is acquired from a mobile device and displayed on a display unit of the mobile device.

[0003]

However, in the conventional information providing service system or message communication method and communication system, information is individually provided for each user by a short message service or the like. It is difficult to simultaneously provide information to all subscribers from the network side. The information to be provided includes, for example, highly versatile information such as weather forecasts, breaking news, sports flashes, etc., which can be selectively provided to all subscribers, and earthquake information, traffic information, etc. It is necessary to provide such emergency information as soon as possible, and further, it is desired to provide information in consideration of regional characteristics. On the other hand, in a conventional radio paging (pager) system, although certain information can be provided by broadcasting from the network side, a receiver must always receive any one group of frames to be waited for. In order to realize this in a digital wireless telephone system capable of two-way communication, it is necessary to solve problems such as shortening of battery life due to constant reception, and urgent information must be transmitted immediately. Not suitable for offering to.

[0004] The present invention has been made in view of the above circumstances,
An object of the present invention is to provide a character information broadcasting method and a broadcasting system by a digital radio telephone, which can selectively provide a large number of different text information to all subscribers in each area at the same time and can quickly provide emergency information. And

[0005]

In order to achieve the above-mentioned object, a text information broadcasting method using a digital radio telephone according to the present invention obtains a plurality of contents from an information service provider, and transmits the plurality of contents in an on-air period. When it comes, it converts the message download including one broadcast channel into a cell broadcast map packet for processing, downloads each cell broadcast map packet to the corresponding exchange, and the exchange receives the received cell broadcast map packet. Is set for each superframe of a dedicated broadcasting physical channel and transmitted to the mobile station via the base station in the designated broadcasting area, and the mobile station displays the content of the received channel on the display unit. It is characterized by the following. A mobile station in the broadcast area receives the broadcast physical channel transmitted from the exchange via the base station and displays it on the display unit, thereby simultaneously selecting a large number of different text information for all subscribers in each area. Can be provided.

[0006] It is preferable that the broadcast physical channel is set in a time slot adjacent to a common control channel, since frequency switching can be made unnecessary only by increasing the intermittent reception time in the mobile station.

[0007] The logical channel of the broadcast physical channel has a broadcast information channel including text information content for broadcast, and a broadcast service control channel including configuration information of the broadcast information channel. The broadcast information channel is arranged at the beginning of one superframe, and the broadcast information channel is repeatedly set to a plurality of slots following the broadcast service control channel in the one superframe. Repeating the information channel is preferable in that information reliability can be improved by error correction.

[0008] A broadcasting hyperframe composed of a large number of the superframes is formed, and different broadcasting channels are arranged in the respective superframes. A broadcasting channel containing emergency information in the broadcasting channel is repeated in the broadcasting hyperframe. The arrangement is preferable in that emergency information can be promptly provided.

[0009] In the broadcaster channel of the common control channel, information for receiving the broadcast physical channel is set in the operator-specific defined area of the broadcast channel when emergency information is received while the mobile station is waiting. In this case, it is preferable that emergency information can be provided promptly by receiving a broadcast channel.

[0010] The information for receiving the broadcast physical channel may be information for identifying the presence or absence of emergency information.
This is preferable in that the presence or absence of emergency information can be notified.

Further, in order to achieve the above object, a text information broadcasting system using a digital radio telephone according to the present invention obtains a plurality of contents whose broadcasting area is designated from an information service provider, and transmits the plurality of contents on air. A broadcast center for converting a message download including one broadcast channel into a cell broadcast map packet for processing when a period comes, and downloading each cell broadcast map packet; and the cell broadcast downloaded from the broadcast center. An exchange that receives the map packet, sets it for each superframe of the dedicated broadcast physical channel, and transmits it to the base station in the designated broadcast area; and an exchange transmitted from the exchange via the base station. Received broadcast physical channel and display the contents contained in it In those with a mobile station to be displayed. A mobile station in the broadcast area receives the broadcast physical channel transmitted from the exchange via the base station and displays it on the display unit, thereby simultaneously selecting a large number of different text information for all subscribers in each area. Can be provided.

[0012] The contents provided by the information service provider may include an identification number of the information service provider, a cell area group name designating a broadcast area, a message body, and an on-air period.
This is preferable in that a broadcast area and a broadcast period can be specified to acquire the content of the broadcast service.

[0013] The broadcast center compares the IP / SP profile database with the IP / SP profile database storing the identification number of the specified information service provider, the cell area group name, and the on-air period. , A content filter unit that performs a process for checking the consistency of the items of the content, checking the consistency of the items of the content, and holding the result, and a content database that stores the content processed by the content filter unit However, it is preferable to avoid downloading illegal contents.

[0014] A CBMAP conversion unit for converting the content stored in the content database after the on-air period has passed into a packet for a cell broadcast map including information on one broadcast channel and defined as a protocol for download processing, This is preferable in that the content can be converted into a packet suitable for download processing.

[0015] The mobile station repeatedly transmits one superframe from the exchange via a base station during one superframe.
It is preferable to have a frame assembling unit that receives a broadcast information channel corresponding to a broadcast channel, discards an erroneous frame, and assembles only a normally received frame from the viewpoint of improving content reliability.

[0016] The mobile station receives the broadcast channel and confirms that there is emergency information in the broadcaster specific definition area when the broadcast channel section length has been changed during standby for receiving the broadcast channel, and broadcasts the broadcast. It is preferable to start reception of the physical channel for use in that emergency information can be promptly received.

The mobile unit has a connection processing unit for receiving a broadcast service control channel constituting a physical broadcast channel and connecting a plurality of broadcast channels to one broadcast channel based on the connection information. Is preferable because it can be provided to a broadcast channel including a large amount of information.

When the user performs a reception operation, the mobile device performs a process of starting to receive a broadcast channel for updating according to either a set date and time or an update date and time included in the content received in advance. It is preferable to have the update processing unit in that the content can be updated smoothly.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the drawings. 1 to 3 are diagrams for explaining a text information broadcasting method and system using a digital radio telephone according to an embodiment of the present invention. FIG. 1 is a block diagram for explaining the configuration of a broadcasting center, and FIG. FIG. 3 is a block diagram illustrating a configuration of a mobile device.

In these figures, a text information broadcasting system 10 using a digital radio telephone according to the present embodiment includes a mobile station (MS) 11 and a base station (BS).
Station) 12 and a mobile switching system (MSC: Mobile Switching).
Center 13) and a broadcast center (CBC: Cell Broad
casting Center) 20 and Information Provider / Service Provider (IP / SP)
er) 14 and a broadcasting center (CBC) 20
Sells a plurality of contents obtained from an information provider / service provider (IP / SP) 14 which is an information service provider for cell broadcasting (CBMAP: Ce), which will be described later.
ll Broadcasting MAP) convert the packet to a packet, download it to the exchange (MSC) 13, and exchange it to the exchange (MSC).
13 sets the cell broadcast packet to a dedicated broadcast physical channel which will be described in detail later, transmits the packet to the mobile station (MS) 11 via the base station (BS) 12 in a predetermined broadcast area, and MS) 11 displays the received content on the display unit.

The main function of the broadcast center (CBC) 20 is to acquire contents from an information provider / service provider (IP / SP) 14 that is an information service provider or a local IP / SP 15 provided inside. And a check of the content, a broadcast plan of the content, editing of the content and download to the exchange (MSC) 13, and the like. As shown in FIG.
, An IP / SP profile database 23, a reception control unit 24, a content database 25, a schedule unit 26, a transmission control unit 27, and a cell broadcasting map (CBMAP: Cell Broadcasting MAP) conversion unit 28.
, A cell information database 29, a transmission unit 30, and the like.

The receiving unit 21 is connected to the IP / SP 14 or the broadcast center 20 at a location remote from the broadcast center 20.
, A local IP / SP15, a wide area communication network (WAN), and a local area network (LA)
N), an interface having a function of an FTP (file transfer protocol) server or a web server connected via the Internet or the like.
Or hypertext transfer protocol (HT
TP) is used. The receiving unit 21 transmits the content from the IP / SP using the FTP or HTTP PUT, and receives the I / O using the FTP GET issued by the broadcast center 20.
It receives the content from the P / SP and confirms the content distribution.

IP / SP profile database 23
Is a database storing the identification number of the specified IP / SP, a cell area group name composed of a character string indicating a broadcast area, an on-air permission period, and the like. The content filter unit 22 performs a matching check with the IP / SP profile database 23 in order to check the authority of the content acquired by the receiving unit 21, checks the consistency of the content item, and downloads the illegal data. Avoid and keep the resulting status. The reception control unit 24 is a part that creates and registers a content database 25 based on the content checked by the content filter unit 22.

The schedule section 24 performs timer monitoring until the on-air period of the content registered in the content database 25 comes, and notifies the content after the on-air period to a process after downloading the content. Part. Further, the schedule unit 24 deletes the content whose on-air period has elapsed from the content database 25. However, the history of the deletion or the like is left so that it can be confirmed.
The transmission control unit 27 is a part that receives from the content database 25 the content for which the on-air period notified by the schedule unit 24 has elapsed, and transmits the content to the CBMAP conversion unit 28.

The cell information database 29 is a database that stores area codes such as cell numbers and local area numbers corresponding to cell area group names. C
The BMAP conversion unit 28 converts the content transmitted from the content database 25 via the transmission control unit 27 after the on-air period has passed, into a cell broadcast map (CBMA) defined as a protocol for processing download.
P) is a part to be converted into the packet of CBMAP.
The packet includes information on one broadcast channel. C
The configuration of the BMAP packet will be described later. The transmitting unit 30 is a CBM formed by the CBMAP converting unit 20.
This is a part that transmits an AP packet to the exchange 13 and receives a confirmation from the exchange 13.
It is composed of a LAN or the like connected by an interface.

The mobile station (MS) 11 has a function of enabling normal voice communication and a function of transmitting and receiving a message such as character information of the present invention.
1. Radio section 32, voice conversion circuit 33, speaker 34, microphone 35, message communication section 36, clock section 37, frame assembly section 38, broadcast message memory 39, update processing section 40, connection processing section 41, message management section 42 , Display control unit 43, display unit 44, key input unit 45, ROM 46,
A RAM 47, a control unit 48, and the like are provided.

The radio section 32 converts the transmission data input from the voice conversion circuit 33 or the message communication section 36 into a transmission signal of a predetermined radio frequency for radio transmission to the base station 12 and transmits the transmission signal from the antenna 31. Alternatively, the frequency of the received signal received from the base station 12 by the antenna 31 is converted and output to the message communication unit 36 or the voice conversion circuit 33. The voice conversion circuit 33 includes a codec unit and a time-division connection processing unit (not shown) for voice conversion, and outputs a received voice signal to the speaker 34,
The radio unit 3 uses the sound input from the microphone 35 as a transmission signal.
Output to 2.

The message communication unit 36 is a unit that organizes a transmission message into a transmission signal and outputs it to the radio unit 32, and performs processing for receiving the message and outputting it to another unit. The clock unit 37 is a unit that counts accurate date and time and generates time information for update processing and the like. The frame assembling section 38 is a section for assembling only the frame of the normally received content and discarding the frame in which the error has occurred, as will be described later in detail. The broadcast message memory 39 is a section for recording received contents by classifying them by category. The update processing unit 40 is a part that performs content update processing automatically according to the date and time set by the user, a manual operation, or the update date and time included in the content. The connection processing unit 41 is a part that performs processing for connecting broadcast channels when there is connection information. The message management unit 42 is a part that manages received messages as described in detail later. The display control unit 43 is a part that reads out the content recorded in the broadcast message memory 39 and performs processing for display. The display unit 43 is configured by a liquid crystal display device or the like, and is a unit that displays the received content.
The key input unit 45 includes keys for various operations, keys for inputting characters and alphanumeric characters, and the like. ROM
A memory 46 stores a message data transmission processing program and the like, and a RAM 47 is a work memory during communication control or the like. The control unit 48 is a unit that controls each of the above units.

FIGS. 4 to 8 are diagrams for explaining channels for providing broadcast-type text information according to the embodiment of the present invention, and FIG. 4 is a diagram for explaining a dedicated physical channel having a full-rate configuration and its reception timing. FIG. 5 is a diagram for explaining a dedicated physical channel having a half-rate configuration and its reception timing;
6 is a diagram illustrating a full-rate superframe configuration, FIG. 7 is a diagram illustrating a half-rate superframe configuration, and FIG. 8 is a diagram illustrating a CBS hyperframe configuration of all broadcast channels.

First, in the present invention, as a physical channel dedicated to the cell broadcast service, RCR-R, which is a standard of the digital automobile telephone system of the radio wave industry, is used.
The broadcast control physical channel (BPCH: Broadcasting Physical CH) conforms to the control physical channel structure of 27STD.
annel). This BPCH uses an adjacent time slot of a conventional perch channel (common control channel). By using such an adjacent time slot of the common control channel, it is possible to make the mobile station 11 only need to lengthen the intermittent reception time, thereby making frequency switching unnecessary.

The BPCH supports both a full rate configuration and a half rate configuration. In the case of the full rate configuration, as shown in FIG. 4, the BPCH is arranged in the first slot (TS1) and the fourth slot (TS4) in one frame composed of six slots, and the mobile station 11
In addition to performing intermittent reception at the timing at which the H slot is arranged, a paging channel (PCH) slot is received during standby, and the reception level of a peripheral zone for zone transition is measured in the time following this slot. In the case of the half-rate configuration, as shown in FIG. 5, the BPCH is arranged in the first slot (TS1) of one frame composed of six slots, and the mobile station 11 determines the timing at which this BPCH slot is arranged. , Receive the PCH slot at the time of standby, and measure the peripheral zone for zone transition in the time following this slot.

The BCH logical channel includes a broadcast information channel (BICH:
Broadcasting Information CHannel) and a broadcast service control channel (BSCCH: Broadcasting Servo) including channel configuration information of this broadcast information channel (BICH).
vice Control CHannel) is defined. One broadcast channel has a full rate configuration, as shown in FIG.
BIC consisting of BSCCH in the first two frames of the superframe and eight frames in the subsequent 32 frames
H, Dummy slots are arranged in the last two frames. In the case of a half-rate configuration, as shown in FIG. 7, a BSCCH is arranged in the first two frames of a superframe, and a BICH having an eight-frame configuration is arranged in the subsequent 16 frames. That is, BICH is repeatedly retransmitted four times in the case of the full rate configuration, and is repeated twice in the case of the half rate configuration. Due to the retransmission of the BICH, the frame assembly 3 in the mobile device 11 described later is performed.
8, the reliability is improved by error correction at the time of reception.
As for all broadcast channels, for example, a total of 64 channels from the 0th to the 63rd are arranged in a CBS hyperframe composed of 70 superframes or the like. This CB
In the S hyperframe, the 0th and 1st channels, which are emergency information channels, are arranged, for example, four times at equal intervals.

FIGS. 9 and 10 are diagrams for explaining the configuration of a broadcast channel according to the embodiment of the present invention. FIG. 9 is a diagram for explaining information elements, and FIG. 10 is a diagram for explaining a broadcast channel instruction element of extended information. is there.

As shown in these figures, according to the present invention, in order to receive the above-mentioned BPCH, a broadcaster channel (BCCH) which broadcasts control information from the network side to the mobile station 11 in the area is defined by the operator. A broadcast channel indication element and its length are set in the extension information element length and extension information of the area. That is, as shown in FIG. 9, the information element of the BCCH, the network number, the restriction information,...
(Octet) is set, and as shown in FIG. 10, BP is set as a broadcast channel indication element in the fifth and fourth bits (I1 and I2) in one octet as shown in FIG.
The CH identification bit, the third bit (P1), a bit for identifying whether the BPCH is in a half-rate configuration or a full-rate configuration, and the second bit (P2), a bit for identifying whether emergency information is present, are set. For example, if I1I2 is 00, no BPCH, 01 and 10 are reserved, 11 is BPCH, P1 is 0, half rate, 1 is full rate, P2 is 0, no emergency information, 1 is emergency information, etc. Is done. When the emergency information is 1, the mobile station 11 immediately executes the BPC.
H reception starts.

FIGS. 11 and 12 show the BS according to the embodiment of the present invention.
FIG. 12 is a diagram illustrating the CCH, FIG. 12 is a diagram illustrating a BSCCH data format, and FIG. 12 is a diagram illustrating an on-air information channel number.

The BSCCH arranged in the first two frames of the superframe consists of a maximum of 34 octets, and as shown in FIG. 11, a layer 2 header, a platform number, a layer 3 message type, and a length from 7 octets to the last octet. B included in the received superframe
Channel information indicating an ICH information channel number, FIG.
The on-air information channel number that identifies the information channel number that is on-air, the cell group number that indicates the group to which the channel configuration being broadcast belongs, the reserve, Charge information / message class for assuring consistency, information number assigned to each content, update information indicating the last update date and time for each broadcast channel, update period indicating update cycle designation, incrementing by 1 each time information is updated Update number / connection information indicating the number to be connected and the connection channel structure, storage instruction information indicating a method of storing the information received by the mobile device 11, display designation information indicating a display pattern on the mobile device 11 at the time of new reception, and broadcasting. Target filter indicating age group, gender, occupation, etc. to receive, and content type in BICH A message type, and the element of the pre-like.

FIG. 13 is a diagram showing a data format for explaining the BICH according to the embodiment of the present invention.

In the figure, BICH arranged in a frame following BSCCH is composed of a maximum of 136 octets, and includes a layer 2 header, a platform number, and a layer 3 header.
It is composed of elements such as a message type, content length, and content indicating the content body.

Next, the CBM downloaded from the broadcast center (CBC) 20 to the exchange (MSC) 13
An AP packet and a confirmation package returned from the switching center (MSC) 13 to the broadcast center (CBC) 20 will be described. FIG. 14 is a diagram illustrating the configuration of a CBMAP packet, and FIG. 15 is a diagram illustrating a CBMAP confirmation package.

The CBMAP packet is sent to the CBMAP converter 28 in the broadcast center (CBC) 20 as described above.
Is a packet organized for each broadcast channel based on the content stored in the content database 25. As shown in FIG. 14, the packet is composed of, for example, a maximum of 267 octets and describes the specification of the TCP / IP communication protocol. (Request for Comments), followed by CBMAP header, CB
MAP BSCCH and CBMAP BICH. The CBMAP header is created based on information such as a cell area group name included in the content, and has a maximum of 6
7 octets, for example, CBMAP header length,
It is composed of an area type, an area identification number, an emergency identification number, and the like. The CBMAP BSCCH is created based on information such as a cell area group name included in the content and other download content information.
It comprises an SCCH length, update information, an on-air information channel number, a cell group number, and the like. CBMAP BIC
H is created based on the content itself, and is up to 131
It is composed of octets and includes, for example, a BICH length, a message area of the content body, and the like.

The CBMAP confirmation package is CBMAP
Switch (MSC) 13 when downloading a packet
Is sent back to the broadcast center (CBC) 20 from the IP header and the TCP as shown in FIG.
It is composed of a header, a CBMAPACK for confirmation, and the like.

Next, a transmission / reception sequence between the broadcast center (CBC) 20 and the exchange (MSC) 13 will be described. FIG. 16 shows a transmission / reception sequence in a normal case, and FIG.
7 is a sequence in the case of a reply timeout.

As shown in FIG. 16, the broadcast center (CB)
C) 20 sends the first CBMA to the exchange (MSC) 13
When the P packet is downloaded, the exchange (MSC) 1
Wait for a reply from 3 while monitoring the timer. Exchange (MS
C) 13 performs a process of receiving the first CBMAP packet, and returns a CBMAP confirmation package to the broadcast center (CBC) 20 when it is ready to receive the next packet. The broadcast center (CBC) 20 receives this confirmation package, and receives the next second CBMAP.
Download the packet. Hereinafter, the CBMAP packet is transmitted in a similar sequence.

Next, as shown in FIG. 17, the first CBMAP downloaded by the broadcast center (CBC) 20 is downloaded.
When the return of the confirmation package from the exchange (MSC) 13 to the packet times out, an alarm is issued and the broadcast center (CBC) 20 issues the same first C
Retransmit the BMAP packet. Then, when the confirmation package is received within the timeout period, the next second C
Download the BMAP packet. In the case where the retransmission processing is continued, the retransmission processing is interrupted by the operator. The CBMAP protocol is CPM
The exchange (MSC) 13 is provided with a broadcast center (CBC)
Send a confirmation package to 20 and do not return error information. Therefore, when there is a problem with the CPMAP packet downloaded from the broadcast center (CBC) 20, this CPMAP packet is transmitted to the broadcast center (CBC).
Exchange (MSC) without notifying error to BC) 20
The 13 side unconditionally discards them.

Next, the operation of the mobile station (MS) 11 for receiving a broadcast channel will be mainly described. First, the reception of the BPCH is performed by turning on the broadcast service (CBS) function in the mobile station (MS) 11, and while this function is off, the ordinary paging channel (PCH) is used. Are in a state of intermittent reception. The user can turn on the broadcast service function by operating the key input unit 43 of the mobile station (MS) 11 or the like, and then, based on the BPCH reception timing, the broadcast channel set for reception or the update time, Start receiving.

FIG. 18 is a flowchart for explaining a typical receiving operation of the mobile device, and FIG. 19 is a diagram for explaining a display example on the display unit of the mobile device.

As shown in FIG. 18, first, the power of the mobile station 11 is turned on to receive the BCCH (ST1), and then the BPCH
BCH reception starts at the reception timing, followed by BPC
Broadcast channel (PCH) and BPCH reception are performed until H reception is completed (ST2, ST3), and when BPCH reception is completed, a time or update time set in advance by the processing of the clock unit 37 or the update processing unit 40 (ST4), the PCH waits for PCH intermittent reception (ST5), and the timer times out (S4).
By T6), the operation returns to the PCH and BPCH receiving operation again.

The reception timing is performed by the clock unit 36 and the update processing unit 37 of the mobile station (MS) 11, and when a reception request is made manually by the user, a preset time,
Alternatively, it can be automatically performed based on the update information set in the content. BPC
As the H reception timing, first, the broadcast service (CB
When the main menu of S) is selected, the menu is
S) If not on the 11 side, all BPCHs are received and a main menu is created based on the message type and the like. Also, at the time of zone transfer, if the cell group number of the BSCCH is different from the stored value,
All BPCHs are received and information is updated. further,
According to the update information of the broadcast channel to which the subscription is applied and the update timing based on the update period, all BPCH
And updates the information. If the user has applied for a new broadcast channel, all B
The PCH is received and information is updated. Further, in response to an update request from the user, all BPCHs are received and information is updated.

The contents of the predetermined broadcast channel received by the mobile station (MS) 11 as described above are stored in the broadcast message memory 39 based on the management of the message management unit 42, which will be described later. The display operation is displayed on the display unit 44 under the control of the display control unit 43. The display on the display unit 44 is switched and displayed at regular intervals, for example, like a screen saver display. As shown in FIG. 19, for example, the current time display is displayed first, and after three seconds, the first “CH2: J phone news SkyNet service, weather forecast, news flash, sports flash” is displayed on channel 2; After 3 seconds, "Shipping is delivered. Please use." Is displayed, and then the current time is displayed. Then, the first "CH7: Sports Flash Seibu Matsuzaka Daiei of Seibu" is closed. Take 8 from Daiei hitting line
"Strike out" is displayed, followed by 3 seconds later, "Throw well. After the opening, a good start" is displayed, 3 seconds later, the current time is displayed, and so on.

FIG. 20 is a diagram for explaining an example of the display operation of the broadcast service reception menu.

As shown in the figure, first, the menu 9. When CBS is selected: Main menu, 2. The CBS setting selection screen is displayed. 1. When you select the main menu: J-Phone News,
2. Weather, 3. Numbers, 4. A selection screen for sports or the like is displayed. If there is no main menu or the main menu has been changed, all B
The PCH is received and a menu is created based on the message type and the like. Next, on the selection screen of the main menu, When a sport is selected, as a title corresponding to each message type, for example, 1. Baseball, 2. J-League, 3. Sumo,
4. A selection screen such as synthesis is displayed. In this selection screen, 2. When the J-League is selected, detailed information of the selected content, such as the J-League flash report, update date, update time, next update, free information, etc., is displayed. When this content is selected (determined), is it registered in My Menu as the My Menu registration screen? A selection screen of 1: YES and 2: NO is displayed. If YES is selected, the content is registered in My Menu and the contents of the content are displayed. Thereafter, it is automatically updated at the next update. If NO is selected, the content is not registered in My Menu, the stored content is displayed, and the update based on the update time is not performed.

Next, frame assembly for BPCH reception in the frame assembly section 38 of the mobile station (MS) 11 will be described. FIG. 21 is a view for explaining frame assembly of a half-rate configuration according to the embodiment of the present invention.

The BPCH is transferred in a frame having no retransmission function. The mobile station (MS) 11 transmits a BICH corresponding to one broadcast channel in one superframe four times in a full rate configuration and in a half rate configuration. Is received twice. If a cyclic check (CRC) error occurs in the received frame,
In the frame assembling section 38, the frame is discarded,
Assembles only the frames received normally. As shown in FIG. 21, in the case of the half-rate configuration, the frame assembly 3
8 shows that when a CRC error occurs in the fourth and fifth frames forming the first BICH corresponding to one broadcast channel, only the fourth and fifth frames are discarded, and the second BICH is normally formed. One broadcast channel is assembled by replacing the received fourth and fifth frames. Thereby, the reliability of the received message can be improved.

Next, in BICH reception, a plurality of broadcast channels can be connected by the connection processing unit 41 using connection information to form one broadcast channel. That is, the connection processing unit 41 of the mobile device (MS) 11
Is based on the update number / connection information of the BSCCH and includes information on the connection of the broadcast channel,
A process of connecting a plurality of corresponding broadcast channels is performed. By this connection, the amount of characters per content can be increased.

Next, a case where a zone shift has occurred will be described. When the mobile station (MS) 11 is receiving a broadcast service, as shown in FIG. 4 or 5, the mobile station (MS) 11 detects the level of the surrounding zone using an empty slot and shifts to the zone, as in the normal standby state. Is possible. BI
When the zone shift occurs during the reception of the CH, the BICH having the same channel number is also received at the zone shift destination. At this time, referring to the BSCCH, if the information number and the update number of the content being received are the same, the reception is continued, but if they are different, the message is discarded.

Next, the operation of receiving emergency information in the mobile station (MS) 11 will be described. FIG. 22 is a flowchart illustrating an operation of receiving emergency information.

First, information having a high degree of urgency is organized in the broadcast center (CBC) 20 as CBMAP packets of the 0th or 1st broadcast channel, and exchanges (MSC)
13 and the exchange (MSC) 13 arranges the content including the emergency information on the BCH as the 0th or 1st emergency broadcast channel, and includes this emergency broadcast channel a plurality of times (4 times) in the CBC hyperframe. Configured and paging channel (PCH) BCC
By changing the H reception section length, the mobile station (MS) 11 is forced to receive the BPCH of the emergency broadcast channel. That is, as shown in FIG.
1 performs intermittent reception of the PCH in the standby state (ST
11) When there is a change in the BCCH reception section length of the received PCH (ST12), the mobile station (MS) 11
The CCH is received (ST13). When there is emergency information in this BCCH, the P2 bit of the broadcast channel indicator element of the extended information is set to 1, so that the mobile station (MS) 11 determines that the P2 bit is 1 (ST14). , And BPCH (ST15). Thereby, when there is emergency information, the mobile station (MS) 1
1 is arranged to be able to immediately enter BCHH reception and to include the 0th or 1st broadcast channel containing emergency information multiple times in the CBC superframe constituting all broadcast channels being broadcast. Therefore, it becomes possible to receive the emergency information in a short time after being broadcast.

As described above, according to the above-described configuration, the broadcast center (CBC) 20 acquires a plurality of contents from an information service provider arranged outside or inside,
After checking the authority of the content and the consistency of the item, the content is stored in the content database 25, and when the on-air period has elapsed, the CBMAP conversion unit 28 converts the packet into a cell broadcast map packet defined as a protocol for processing the download together with the area code. After conversion, the packet is transmitted to a predetermined exchange (MSC) 13, and the exchange (MSC) 13 sets the received cell broadcast map packet for each superframe of a dedicated physical channel for broadcasting and designates a designated broadcast area. Via the base station (BS) 12, the mobile station (MS) 11 located in the broadcast area receives the broadcast physical channel, and displays the contents on the display unit 4.
By displaying the information on the number 4, it becomes possible to simultaneously provide a large number of different types of information to all the subscribers of the mobile station (MS) 11 and selectively provide any of the multiple pieces of information. The broadcast information is stored in a broadcast center (CBC) 2
0 designates a broadcast area for the acquired content and is provided from the exchange (MSC) 13 via the base station (BS) 12 for each broadcast area. Since the dedicated physical channel for broadcasting is set in a time lot adjacent to the conventional common control channel, the mobile station (MS) 11 can increase the intermittent reception time and eliminate the need for frequency switching. Further, the physical channel for broadcasting has a logical channel consisting of a broadcast information channel including contents and a broadcast service control channel including configuration information of the broadcast information channel. By repeatedly setting the broadcast information channel in the subsequent frames, it is possible to easily control broadcast information for reception, and to improve reliability by error correction at the time of reception. All broadcast channels are arranged in each superframe of a broadcast hyperframe composed of a plurality of superframes, and a broadcast channel including emergency information is repeatedly arranged in the broadcast hyperframe in the broadcast channel. By setting the information for receiving the broadcast physical channel in the unique definition area, and setting the information for identifying the presence or absence of emergency information in this information, emergency information such as earthquake information, tsunami information, and typhoon information can be promptly transmitted. Can be provided.

In the mobile station (MS) 11, the frame assembler receives a broadcast information channel corresponding to one broadcast channel repeatedly transmitted in one superframe, discards the frame in which the error has occurred, By assembling and processing only normally received frames, the reliability of broadcast information can be improved by error correction. Further, the connection processing unit can increase the amount of characters per content by connecting a plurality of broadcast channels based on the connection information included in the broadcast service control channel. Also,
The update processing unit updates the content according to one of the user's reception operation, the set date and time, and the update date and time included in the content, so that the update according to the user's request can be performed. If the link is selected by including the link information in the content, Internet browsing becomes possible.

In the above description, an example in which the broadcast center (CBC) 20 is configured as in the embodiment has been described. However, at least the content obtained from the information service provider includes one broadcast channel when the on-air period comes. Converted to cell broadcast map packet and exchange (MSC)
13, the content can be arbitrarily checked or converted into a packet, and is not limited to the embodiment. In the physical channel for broadcasting, a logical channel is composed of a broadcasting information channel and a broadcasting service control channel, one broadcasting channel is arranged in one superframe, and all broadcasting channels are 64 channels. It is not limited to the form. Further, a mobile station (MS) 11
Can be arbitrarily displayed according to the configuration of the display unit and the like, and, for example, a scroll display or the like can be adopted in addition to the switching display by the screen saver. That is, it will be readily understood that the invention is not limited to the particular embodiments disclosed, but may be varied within the spirit and scope of the invention as defined in the appended claims.

[0060]

As described above, according to the present invention, a broadcast center acquires a plurality of contents from an information service provider and converts them into a cell broadcast packet including one broadcast channel when an on-air period comes. The cell broadcast packet is transmitted to a corresponding exchange, and the exchange sets the packet for each superframe of a dedicated physical broadcast channel and transmits the packet through a base station in a designated broadcast area. Since the device receives the broadcast physical channel and displays its contents on the display unit, it sets information to a number of different types of broadcast channels and provides it simultaneously to all subscribers in each broadcast area. Can be provided as soon as possible with emergency information.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a broadcast center according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating an overall configuration of a network according to the embodiment of the present invention.

FIG. 3 is a block diagram illustrating a configuration of a mobile device according to the embodiment of the present invention.

FIG. 4 is a diagram illustrating a dedicated physical channel having a full rate configuration and reception timing according to the embodiment of the present invention.

FIG. 5 is a diagram illustrating a dedicated physical channel having a half-rate configuration and reception timing according to the embodiment of the present invention.

FIG. 6 is a diagram illustrating a full-rate superframe configuration according to the embodiment of the present invention.

FIG. 7 is a diagram illustrating a half-rate superframe configuration according to the embodiment of the present invention.

FIG. 8 is a diagram illustrating a CBS hyperframe configuration of all broadcast channels according to the embodiment of the present invention.

FIG. 9 is a diagram illustrating a configuration of a broadcast channel according to the embodiment of the present invention.

FIG. 10 is a diagram illustrating a broadcast channel instruction element of broadcast channel extension information according to the embodiment of the present invention.

FIG. 11 is a diagram illustrating a data format of a BSCCH according to the embodiment of the present invention.

FIG. 12 is a diagram showing an on-air information channel number according to the embodiment of the present invention.

FIG. 13 is a diagram showing a data format of BICH according to the embodiment of the present invention.

FIG. 14 is a diagram illustrating a configuration of a CBMAP packet according to the embodiment of this invention.

FIG. 15 is a diagram illustrating a configuration of a CBMAP confirmation package according to the embodiment of the present invention.

FIG. 16 is a diagram showing a transmission / reception sequence in a normal case between the broadcast center and the exchange according to the embodiment of the present invention.

FIG. 17 is a diagram showing a transmission / reception sequence in the case of a reply timeout between the broadcast center and the exchange according to the embodiment of the present invention.

FIG. 18 is a flowchart showing a typical reception operation of the mobile device of the embodiment of the present invention.

FIG. 19 is a diagram illustrating a display example on the display unit of the mobile device according to the embodiment of the present invention.

FIG. 20 is a diagram illustrating a display operation example of a broadcast service of the mobile device according to the embodiment of the present invention.

FIG. 21 is a diagram illustrating frame assembly in the case of a half-rate configuration in the mobile device according to the embodiment of the present invention.

FIG. 22 is a flowchart illustrating an operation of receiving emergency information in the mobile device of the embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 character information broadcasting system 11 mobile device 12 base station 13 exchange 14 IP / SP 15 local IP / SP 20 broadcast center 21 reception unit 22 content filter unit 23 IP / SP profile database 24 reception control unit 25 content database 26 schedule unit 27 transmission Control unit 28 CBMAP conversion unit 29 Cell information database 30 Transmission unit 31 Antenna 32 Wireless unit 33 Voice conversion circuit 34 Speaker 35 Microphone 36 Message communication unit 37 Clock unit 38 Frame assembly unit 39 Broadcast message memory 40 Update processing unit 41 Connection processing unit 42 Message management unit 43 Display control unit 44 Display unit 45 Key input unit 46 ROM 47 RAM 48 Control unit

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshikazu Kitamura 34 Shinanomachi, Shinjuku-ku, Tokyo Inside JR Shinanomachi Building J-Phon Tokyo Co., Ltd. (72) Shinji Uetsuki 34 Shinanomachi, Shinjuku-ku, Tokyo JR Shinanomachi Building J Phone Tokyo Co., Ltd. (72) Inventor Takashi Yamamura 34 Shinanomachi, Shinjuku-ku, Tokyo JR Shinanomachi Bill J Phone Tokyo Co., Ltd. F-term (reference) 5K067 BB02 BB21 DD18 DD19 DD53 EE02 EE10 EE16 EE61 EE64 EE71 FF02 FF23 GG01 GG11 HH05 JJ71

Claims (14)

[Claims] 1. Acquiring a plurality of contents from an information service provider, converting the plurality of contents into cell broadcast map packets for processing a message download including one broadcast channel when an on-air period comes,
Each packet for the cell broadcast map is downloaded to the corresponding exchange, and the exchange exchanges the received packet for the cell broadcast map with one of the dedicated physical channels for broadcasting.
Character information by digital radio telephone, characterized in that each super frame is set and transmitted to a mobile station via a base station in a designated broadcasting area, and the mobile station displays received channel content on a display unit. Broadcast method. 2. The method according to claim 1, wherein the broadcast physical channel is set in a time slot adjacent to a common control channel. 3. The logical channel of the broadcast physical channel includes a broadcast information channel including text information content for broadcast, and a broadcast service control channel including configuration information of the broadcast information channel. 3. The digital radio telephone according to claim 2, wherein the channel is arranged at the head of one superframe, and the broadcast information channel is repeatedly set in a plurality of slots following the broadcast service control channel in the one superframe. Text information broadcasting method. 4. A broadcasting hyperframe comprising a number of said superframes, a different broadcasting channel is arranged in each superframe, and a broadcasting channel including emergency information in said broadcasting channel is said broadcasting hyperframe. 2. The method according to claim 1, wherein the character information is broadcasted repeatedly. 5. The digital radio telephone according to claim 2, wherein information for receiving the broadcast physical channel is set in an operator-specific definition area of a broadcast channel of the common control channel. Text information broadcasting method. 6. The method according to claim 5, wherein the information for receiving the broadcast physical channel is information for identifying the presence or absence of emergency information. 7. Obtaining a plurality of contents from an information service provider, converting the plurality of contents into cell broadcast map packets for processing message download including one broadcast channel when an on-air period comes,
A broadcast center that downloads each cell broadcast map packet, and receives the cell broadcast map packet downloaded from the broadcast center, and sets each for each superframe of a dedicated broadcast physical channel, An exchange for transmitting to a base station in a designated broadcast area, and a mobile unit for receiving a broadcast physical channel transmitted from the exchange via the base station and displaying the content contained therein on a display unit. A character information broadcasting system using a digital radio telephone. 8. The content provided by the information service provider includes an identification number of the information service provider, a cell area group name designating a broadcast area, a message body, and an on-air period. 7. A text information broadcasting system using a digital wireless telephone according to 7. 9. The IP / SP profile database storing the identification number of the specified information service provider, the cell area group name, and the on-air period, and the obtained content is stored in the IP / SP profile database. A content filter that performs authority checking by matching, checks the consistency of content items, and performs a process for retaining the result, and a content database that stores the content processed by the content filter. The character information broadcasting system by a digital radio telephone according to claim 7, wherein 10. A CBMAP conversion unit for converting content stored in the content database, for which an on-air period has passed, into a cell broadcast map packet including information on one broadcast channel and defined as a download processing protocol. The character information broadcasting system by a digital wireless telephone according to claim 9, characterized in that: 11. The mobile station receives a broadcast information channel corresponding to one broadcast channel repeatedly transmitted in one superframe from the exchange via a base station, discards a frame in which an error has occurred, and 8. The text information broadcasting system according to claim 7, further comprising a frame assembling unit for assembling only normally received frames. 12. The mobile station receives a broadcast channel and confirms that there is emergency information in its operator-specific definition area when the broadcast channel section length is changed during standby for receiving a broadcast channel. The character information broadcasting system using digital radio telephones according to claim 7, wherein receiving of the physical channel for broadcasting is started. 13. A connection processing unit for receiving a broadcast service control channel forming a physical channel for broadcasting and connecting a plurality of broadcast channels to one broadcast channel based on the connection information. The character information broadcasting system by a digital radio telephone according to claim 7, wherein 14. A process in which the mobile device starts receiving a broadcast channel for updating based on one of a set date and time and an update date and time included in content received in advance when a user performs a receiving operation. 8. The character information broadcasting system by a digital wireless telephone according to claim 7, further comprising an update processing unit for performing the following.