JP2891928B2 - Simple photo transmission method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple photographic transmission system, and more particularly to a simple photographic transmission system for transferring photographic data of a simple size to a mobile radio.

[0002]

2. Description of the Related Art A conventional simple photo transmission system of this type will be described with reference to the drawings.

FIG. 5 is a system configuration diagram showing an example of a conventional simple photograph transmission system.

[0005] In FIG. 5, in the conventional simple photograph transmission system, as disclosed in Japanese Utility Model Application Laid-Open No. 4-135066, the mobile radio 101 a communicates with the general subscriber terminal 105 via a radio channel. Transmission line 107a, wireless base station 102a, mobile switching center 103, wired transmission line 10
8a, 109, the communication network 111, and the subscriber line 106, a 1: 1 connection is made to transmit a photograph.

[0005]

In this conventional simple photograph transmission system, communication between a mobile radio and a general subscriber terminal is performed as follows:
Since the configuration is such that the transmission of photos is performed by the first connection configuration, a plurality of communications must be sequentially performed in order to transmit the same photo from a plurality of mobile terminals from a general subscriber terminal. there were.

[0006]

According to the present invention, there is provided a simplified photo transmission system comprising: a general subscriber terminal connected to a communication network via a subscriber line; and a plurality of first wired transmission lines connected to the communication network. A mobile switch to be connected, a plurality of wireless base stations each connected via a plurality of second wired transmission paths, and a plurality of wireless base stations each connected via a wireless transmission path (broadcast channel). A plurality of mobile wireless devices connected to one of the mobile stations, and a database in which photographic data connected to the mobile switching unit via a third wired transmission path and sent to the plurality of mobile wireless devices at once are registered. A simple photo display parameter is newly added as a communication protocol for the database center to transmit photo data, and a parameter identifier, a parameter length, Easy photo encoding method, a simple photo sign,
A division / assembly identifier is set at the database center, and the photograph data is registered at the database center to enable simultaneous distribution of the photograph data, and objects to which the photograph data are distributed are grouped,
By assigning a group number, this can be designated, a schedule for distributing the photo data registered in the database center is managed, and when the distribution time is reached, the mobile center exchange, the wireless Via a base station, the distribution destination group number and the simplified photo display parameter are simultaneously transferred to the plurality of mobile wireless devices on the wireless broadcast channel,
The plurality of wireless mobile devices compares the own group number and the receiving group number set for each wireless mobile device, determines whether or not it is addressed to the own mobile wireless device, and transmits when the mobile device matches the own group number. Receive and display photo data.

[0007] A simplified photo transmission system according to the present invention comprises: a general subscriber terminal connected to a communication network via a subscriber line;
A mobile switching center connected to the communication network via a plurality of first wired transmission lines, a plurality of wireless base stations each connected via a plurality of second wired transmission lines, and A plurality of mobile radios connected to one of the plurality of radio base stations via a (broadcasting channel); and a plurality of mobile radios connected to the mobile switching unit via a third wired transmission path. A database center in which photograph data to be sent to the wireless device at once is registered, wherein the database center is an interface unit for interfacing with the third wired transmission line for connecting to the mobile switchboard; A simple photo code file for storing the photo data registered in order to store the photo data, and a group number of the plurality of mobile wireless devices for simultaneously notifying the registered photo data are stored. A group number file, a distribution schedule management file for storing a schedule for simultaneously notifying the registered photo data, an input / output display device for inputting / outputting the photo data, a clock unit for generating real time information, A control unit that controls the entire database center, wherein each of the plurality of mobile wireless devices transmits and receives the plurality of wireless base stations via a wireless antenna, and a group that stores its own group number. A number storage unit, a storage unit for storing the photo data transmitted when the reception group number matches the own group number, and a simple photo encoding method for transmitting the photo data stored in the storage unit. A decoding unit for performing decoding on the basis of the image data, a display unit for displaying the photograph information decoded by the decoding unit, and a central control unit for controlling the entire mobile radio device. Wherein the photograph data transmitted to each of the plurality of mobile wireless devices is packetized into a communication packet, and the communication packet transmits a group number designating a group of the mobile wireless devices to be transmitted. A simple picture display parameter that defines a simple picture display parameter, a simple picture display parameter identifier for the simple picture parameter, a simple picture parameter length indicating the parameter length of the simple picture parameter, A simple photo encoding method that is an identifier of a method of generating a photo code and a method of decoding the simple photo code, and the remaining when the length of the simple photo code exceeds the maximum length of one communication packet. And a division / assembly identifier for indicating that the data exists.

[0008]

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a system configuration diagram showing a simplified photograph transmission system according to one embodiment of the present invention, FIG. 2 is a block diagram showing a database center in this embodiment, and FIG. 3 is a mobile radio device in this embodiment. FIG. 4 is a block diagram showing
FIG. 3 is a diagram showing a data format of a packet in the present embodiment.

Referring to FIG. 1, a simplified photo transmission system according to the present embodiment uses a general subscriber terminal 5 connected to a communication network 11 via a subscriber line 6 and a plurality of wired transmission lines 9 to the communication network 11. Mobile exchanges (exchanges) 3 to be connected to each other, and wired transmission lines 8-1 and 8-2, respectively.
Wireless base stations 2a and 2b connected via a wireless transmission path (broadcasting channel) 7a and mobile wireless devices 1a, 1b and 1 connected to the wireless base station 2a or 2b via a wireless transmission path (broadcasting channel) 7a.
c and a database center 4 which is connected to the mobile switching unit 3 via the wired transmission line 10 and in which photographic data to be simultaneously transmitted to the mobile wireless devices 1a, 1b, 1c is registered.

In the simplified photograph transmission system of the embodiment shown in FIG. 1, a simplified photograph display parameter is newly added as a communication protocol for the database center 4 to transmit photograph data, and a parameter identifier is added to this parameter. , Parameter length, simple photo coding method, simple photo code,
In order to set the division / assembly identifier at the database center 4, and to enable simultaneous distribution of photos, register the photograph data at the database center 4, group the objects to which the data is distributed, and assign a group number. By doing this, the schedule can be designated to distribute the photo data registered in the database center 4, and when the distribution time has come, the database center sends the radio data via the exchange 3, the radio base stations 2a and 2b, and The distribution group number and the simplified photo display parameter are simultaneously transferred to the mobile radios 1a, 1b, and 1C on the broadcast channel 7a, and the radio mobiles 1a, 1b, and 1c transmit the radio mobiles 1a, 1b, and 1c, respectively. Compares the own group number set in, with the receiving group number, determines whether it is addressed to the own mobile radio, It receives picture data transmitted to match the group number is displayed.

In FIG. 2, a database center 4 in the present embodiment stores an interface unit 41 for interfacing with a wired transmission line 10 for connecting to a mobile switching center 3 and photograph data registered for simultaneous notification. , A group number file 44 for storing the group numbers of the mobile radios for notifying registered photo data, and a distribution schedule management file 45 for storing a schedule for notifying registered photo data. And an input / output display device 46 for inputting and outputting photographic data, and a clock unit 47 for generating real-time information
And a control unit 42 for controlling the entire database center 4
And

In FIG. 3, each of mobile radio devices 1a, 1b, 1c in the present embodiment
1, a wireless communication unit 32 for transmitting and receiving to and from the wireless base station 2a or 2b, a group number storage unit 35 for storing the own group number, and a photograph transmitted when the transmission group number matches the own group number. A storage unit 36 for storing data; a decoding unit 33 for decoding the photographic data stored in the storage unit 36 based on the transmitted simple photographic encoding method;
It has a display unit 34 for displaying the picture information decoded by the decoding unit 33, and a central control unit 37 for controlling the entire mobile radio.

In FIG. 4, photographic data transmitted to mobile wireless devices 1a, 1b, 1c in the present embodiment is packetized into communication packets, and the communication packets 16
A group number 17 for specifying a group of mobile radios to be transmitted, a simple photo display parameter 18 defining a simple photo display parameter to be transmitted, and a simple photo parameter 18
, A simple photo parameter length 20 indicating the parameter length of the simple display parameter 18, a method of encoding a photo into transmission data to generate a simple photo code 23, and decoding the simple photo code 23 A simple photo coding method 22 which is an identifier of the method to be performed, and a division / assembly identifier 21 indicating that there is remaining data when the length of the simple photo code 23 exceeds the maximum length of one communication packet. Have.

Next, the operation of this embodiment will be described with reference to FIGS. 1, 2, 3 and 4.

First, in the database center 4,
The pictures to be transmitted all at once are subjected to simple picture encoding from the input / output display device 46, input to the simple picture code file 43, select the distribution destination group number from the registered group number file 44, and set the distribution schedule to the distribution schedule. Register it in the management file 45.

Next, when the distribution time has arrived, the database center 4 adds the group number 17 and the simple picture display parameter 18 shown in FIG. 4 to the communication packet 16 including the simple picture code 23 read from the simple picture code file 43. After setting, the simplified photographic code 23 is broadcasted via the wired transmission path 10, the exchange 3, the wired transmission path 8, the wireless base station 2, and the wireless transmission path (broadcasting channel) 7a.

Each of the mobile radios 1a, 1b and 1c receives the communication packet 16 by the radio antenna 31 and the radio communication unit 32 and sets it in the storage unit 36. The central control unit 37 detects the reception of the communication packet, analyzes the simple photo display parameter 18 included therein, and when the group number 17 is a value designating all the mobile wireless devices, or
Only when the value is equal to the value set in the group number storage unit 35, the simple photo display parameter 18 is analyzed, and when the division / assembly identifier 21 is set to the remaining data,
If the simple photo code 23 is stored in the storage unit 36 and no data is set, the simple photo code previously stored in the storage unit 36 and the currently received simple photo code are combined, and the simple photo code is stored. The decoding unit 33 decodes the data into photo data based on the method 22, and the display unit displays the photo.

[0019]

As described above, the present invention provides a simplified communication protocol for transmitting photograph data to a communication network between a mobile communication device and a database center of a mobile communication network for transferring photograph data. With photo display parameters,
This parameter contains the parameter identifier, parameter length,
It has a simple photo coding method, a simple photo code, and a division / assembly identifier. It also registers photo data at the database center, groups objects to which the data is distributed, assigns a group number, and designates this. Manages the schedule for distributing photo data registered in the database center, and when the distribution time arrives, displays the distribution destination group number and simple photo on the radio broadcast channel from the database center via exchanges and wireless base stations The parameter is transferred to the mobile radio, and the radio mobile compares the own group number set in the radio mobile with the reception group number, determines whether or not it is addressed to the mobile radio, and as a result of the determination, the local group number After receiving, storing and decoding the transferred photo data, it displays the same photo data at the same time by displaying it. There is an effect that can be transmitted to a plurality of the desired radio mobile device.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing a simplified photo transmission system according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating a database center according to the present embodiment.

FIG. 3 is a block diagram illustrating a mobile wireless device according to the present embodiment.

FIG. 4 is a diagram showing a data format of a packet in the present embodiment.

FIG. 5 is a system configuration diagram showing an example of a conventional simple photo transmission system.

[Explanation of symbols]

 1a, 1b, 1c Mobile Radio 2 Radio Base Station 3 Mobile Switching Center (Exchange) 4 Database Center 5 General Subscriber Terminal 6 Subscriber Line 7a Radio Transmission Channel (Broadcasting Channel) 8-1, 8-2 Wired Transmission Route 9 Wired transmission line 10 Wired transmission line 11 Communication network 16 Communication packet 17 Group number 18 Simple photo display parameter 19 Simple photo display parameter identifier 20 Simple photo display parameter length 21 Division / assembly identifier 22 Simple photo encoding method 23 Simple photo code 31 wireless antenna 32 wireless communication section 33 decoding section 34 display section 35 group number storage section 36 storage section 37 central control section 41 interface section 42 control section 43 simple photo code file 44 group number file 45 distribution schedule management file 46 input / output display device 47 Total unit

Claims (4)

(57) [Claims] 1. A general subscriber terminal connected to a communication network via a subscriber line, a mobile switching center connected to the communication network via a plurality of first wired transmission lines, and A plurality of wireless base stations connected via two wired transmission paths; and a plurality of mobile wireless devices each connected to one of the plurality of wireless base stations via a wireless transmission path (broadcast channel). A database center connected to the mobile switching unit via a third wired transmission line, and storing therein photograph data to be simultaneously transmitted to the plurality of mobile wireless devices, wherein the database center transmits the photograph data. A simple photo display parameter is newly added as a communication protocol for performing the operation, and a parameter identifier, a parameter length, a simple photo encoding method, a simple photo code, Te set the identifier in the database center, also, in order to enable the simultaneous distribution of the photographic data, registering the photo data in the database center,
The objects to which the photo data is distributed are grouped, and this can be designated by assigning a group number, and the schedule for distributing the photo data registered in the database center is managed. From the database center via the mobile switch, via the radio base station, the distribution group number and the simplified photo display parameters are transferred to the plurality of mobile radios at the same time on the radio broadcast channel, The plurality of wireless mobile devices compare the own group number and the receiving group number set for each wireless mobile device, determine whether or not the wireless mobile device is addressed to the own mobile wireless device, and transmit the photograph transmitted when it matches the own group number. A simple photo transmission system characterized by receiving and displaying data. 2. A general subscriber terminal connected to a communication network via a subscriber line, a mobile switching center connected to the communication network via a plurality of first wired transmission lines, and a plurality of mobile switching units each connected to the communication network. A plurality of wireless base stations connected via two wired transmission paths; and a plurality of mobile wireless devices each connected to one of the plurality of wireless base stations via a wireless transmission path (broadcast channel). A database center that is connected to the mobile switching unit via a third wired transmission path and that stores photograph data to be sent to the plurality of mobile wireless devices at the same time. An interface unit for interfacing with the third wired transmission line for connecting to an exchange; a simple photo code file for storing the photo data registered for simultaneous notification; A group number file for storing the group number of the plurality of mobile radios to notify simultaneously the photograph data,
A distribution schedule management file for storing a schedule for simultaneously notifying the registered photo data, an input / output display device for inputting / outputting the photo data, a clock unit for generating real-time information, and controlling the entire database center. A simple photo transmission system, comprising: 3. Each of the plurality of mobile radios includes a radio communication unit for transmitting and receiving to and from the plurality of radio base stations via a radio antenna, a group number storage unit for storing its own group number, and a reception group number. A storage unit for storing the photo data transmitted when the image data matches the own group number, and a decoding unit for decoding the photo data stored in the storage unit based on the transmitted simple photo encoding method 3. The simple photo transmission system according to claim 2, further comprising a display unit for displaying the photo information decoded by the decoding unit, and a central control unit for controlling the entire mobile radio device. . 4. The photograph data transmitted to each of the plurality of mobile radios is packetized into a communication packet, and the communication packet is transmitted with a group number designating a group of the mobile radios to be transmitted. A simple picture display parameter that defines a simple picture display parameter, a simple picture display parameter identifier for the simple picture parameter, a simple picture parameter length indicating the parameter length of the simple picture parameter, and a picture encoded into transmission data for simple A simple photo encoding method that is an identifier of a method of generating a photo code and a method of decoding the simple photo code, and the remaining when the length of the simple photo code exceeds the maximum length of one communication packet. 4. A division / assembly identifier for indicating that there is the data of (1) or (2). Simple photo transmission system.