CN102215207A - Wireless outdoor media and advertisement broadcasting system based on GPRS (general packet radio service) communication network - Google Patents
Wireless outdoor media and advertisement broadcasting system based on GPRS (general packet radio service) communication network Download PDFInfo
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- CN102215207A CN102215207A CN2010101378828A CN201010137882A CN102215207A CN 102215207 A CN102215207 A CN 102215207A CN 2010101378828 A CN2010101378828 A CN 2010101378828A CN 201010137882 A CN201010137882 A CN 201010137882A CN 102215207 A CN102215207 A CN 102215207A
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Abstract
The invention relates to a wireless outdoor media and advertisement broadcasting system based on a GPRS (general packet radio service) communication network. The system is a wireless communication network constituted by a media center and multiple media terminals; the media center comprises a media management terminal and a media server; the media terminal comprises multiple mobile terminals and multiple ground terminals with display units. The mobile server receives and stores all the media contents from the media management terminals through the LAN (local area network), and distributes the media contents to multiple mobile terminals through the WLAN (wireless local area network); the media server conducts transmission of service information and control information in small data volumes with multiple media terminals through the GPRS network, and controls the media content transmission between the mobile terminal and the ground terminal; and the media information in large scales can be transmitted between multiple mobile terminals and multiple ground terminals through the network. In the invention, the problems of unified control and integration of operation information and news, amusement and advertisement information, different contents broadcast in different locations, and personalized broadcasting can be solved.
Description
Technical field
The present invention relates to outdoor wireless interdynamic media propagating system and application process thereof.
Background technology
The numeral outdoor media " has moved " traditional print media, and its unrivaled information interaction transmission advantage already brings huge development opportunity and profit margin for It.
" building multimedia liquid crystal advertiser " is to be one with LCDs, synchronizing signal transceiver module, ultra-thin DVD player and Timing power supply control module collection, technology content own is lower, and the content of its broadcast need be made or play with CD in advance, can't accomplish that control is broadcasted in real time, needs are intercutted or broadcast simultaneously the situation of some real-time, dynamic information, as aircraft, steamer, bus subway etc. to the some information of arriving at a station, just powerless.
The mobile TV subject of operation of China is mainly based on TV station under the broadcasting and TV system or radio, film and television group, and it generally comes the mode with wireless mobile broadcast of eMTV or dvd playback.These two kinds of methods also can't accomplish to integrate operation information, news entertainment advertisement information at present, more can't accomplish the requirement of the different broadcast contents in different location, can not accomplish personalized the broadcast.
Field of media is subjected to the restriction of the big contradiction of wireless network bandwidth deficiency and digital media data amount out of doors, and various existing schemes all do not take into full account the implementation of wireless network Digital Media.Corresponding with electronic stop plate still is media advertisement static, the plane, can not bring into play the huge increment effect of information technology far away.
The outdoor wireless interdynamic media system is at the characteristic of the dispersion of electronic display position, vehicle movement, and wireless network is adopted in the total data communication, and all media datas transmit between vehicle and ground by WLAN; All control information and Word message transmit by GPRS between media center and each display terminal.Be sent at media information under the situation on the electronic display that is located at station etc. desire issue, when as the communicator between dispatching station and receiving station being Wirelines such as optical fiber, exist the expense of laying optical cable big between topic, in addition, when utilizing moving bodys such as vehicle to carry out radio communication, can be difficult to guarantee the quantity of moving body and be subjected to problem about traffic easily.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and overcome above-mentioned deficiency, various information on services can be provided in real time, dynamically control outdoor wireless interdynamic media propagating system and application process thereof that publication medium is broadcasted.
A technical scheme of the present invention is:
Outdoor wireless interdynamic media propagating system, the cordless communication network that constitutes by media center and a plurality of media termination, described media center comprises media management terminal and media server, described a plurality of media termination comprises a plurality of portable terminals and a plurality of ground based terminal that display unit is arranged: described media server receives and stores all media contents by LAN from described media management terminal, gives described a plurality of portable terminals distribute media content by WLAN; Described media server is by carrying out the information on services of small data quantity and the transmitted in both directions of control information between GPRS network and the described a plurality of media termination, and the transmission of media content between control portable terminal and the ground based terminal; The media information of big data quantity is transmitted between described a plurality of portable terminals and a plurality of ground based terminal.
Described media termination and ground based terminal constitute by display unit, memory, data processor, 802.11 communication modules and GPRS communication module; Described portable terminal sends to described media server to information such as positions by described GPRS communication module, and shows information on services; Described ground based terminal shows related service information in described display unit by the GPRS network signal transmitted according to described media server behind described data processor, described memory, the communication of ground based terminal and media server comprises dynamic service information, control information all by GPRS network swap data and information.
Another technical scheme of the present invention is:
The application process of outdoor wireless interdynamic media propagating system, this method is utilized a media server, a media management terminal, a plurality of portable terminals and a plurality of ground based terminal is characterized in that comprising the steps:
1) described media management terminal is set up TCP/IP with described media server by LAN/WAN and is connected, described media management terminal is uploaded media file to be released to described media server by LAN/WAN, formulate the media releasing tabulation simultaneously and upload to described media server, and the actual broadcast state of monitoring media:
2) described portable terminal and described media server constitute WLAN, and described media server is tabulated according to media releasing, and media file to be released is transferred to described portable terminal, transmit described media releasing tabulation simultaneously;
3) described media server and described a plurality of ground based terminal connect by GPRS network, described media server by GPRS network transmission control command to described ground based terminal, described ground based terminal with transmission medium broadcast state, the portable terminal connection status is transferred to described media server.
When described portable terminal enters the wireless coverage of described ground based terminal, described portable terminal and described ground based terminal are set up WLAN, described ground based terminal receives the described media releasing tabulation of described portable terminal transmission, and transmits this terminal media file to be released according to described media releasing tabulation from described portable terminal.
Described media releasing tabulation comprises medium name, issue terminal, issue period, date issued, the issue frequency.
When described ground based terminal broadcasts respective media, the real time information of described portable terminal is transferred to described media server by GPRS network.
Beneficial effect of the present invention is:
Out of doors on the structure of wireless interdynamic media propagating system, introduced media center, monitoring the transmission and the issued state of medium in real time by the media management terminal in the media center, and can set the issue demand of medium in compound personalization such as the time of appointed positions, appointment, the period of appointment, control the issue of medium flexibly.By setting up two different wireless transmission channels, 802.11a/g and GPRS be transfer medium information and control information respectively, controls the transmission and the broadcast of medium in real time.Between media center and each terminal, set up the IP channel by GPRS, remain online connection, media server is from terminal receiving terminal feedback signal, issuing service information and transmit the control information to terminal simultaneously, the media delivery of control terminal and broadcast, the real-time release of realization text class information on services.The transmission of media management terminal control media content from the portable terminal to the ground based terminal by media center.
By with the GPRS real-time communication of media center, obtain medium and upgrade tabulation, solved problem that media on-the-ground dynamically updates and the problem that media content is selected, the media content that each terrestrial information screen broadcasts is fully difference.
By with the GPRS real-time communication of media center, solved the problem that real-time control medium broadcast, media center is controlled the transmission course of media content from the car-mounted terminal to the ground based terminal in real time simultaneously, has guaranteed the efficient of media content transmission.The problem of new speed.
Description of drawings
Fig. 1 is the logic diagram of outdoor wireless interdynamic media propagating system;
Fig. 2 is the structural representation of media termination.
Embodiment
Referring to Fig. 1, Fig. 2, media management terminal and media server constitute media center, be positioned at the parking lot, setting up TCP/IP by LAN/WAN connects, the media management terminal is uploaded medium to be released to media server by LAN/WAN, formulate the media releasing tabulation simultaneously and upload to media server, and the actual broadcast state of monitoring media.The media releasing tabulation comprises key elements such as medium name, issue terminal, issue period, date issued, the issue frequency.
When vehicle enters the parking lot, set up wireless connections with media server, constitute WLAN, media server is tabulated according to media releasing, and to portable terminal, transmission medium issue is simultaneously tabulated media delivery to be released.Effective control media delivery process can breakpoint transmission, and avoids repeating upgrading.
Media server and a plurality of ground based terminal connect by the GPRS channel, and to ground based terminal, the ground based terminal transmission medium broadcasts state, arrives media server with the portable terminal connection status media server by GPRS Channel Transmission control command.When vehicle travels at circuit, when entering the wireless coverage of ground based terminal, portable terminal and ground based terminal are set up WLAN, and the media releasing of ground based terminal mobile terminal receive transmission is tabulated, and transmit the medium of the special issue of this terminal from portable terminal according to the media releasing tabulation.And, respective media is broadcasted in tabulation according to media releasing, can issue simultaneously that vehicle arrives at a station, information leaving from station, and vehicle arrive at a station, information leaving from station is transferred to media server by GPRS, the vehicle that comprehensive each ground based terminal transmission of media server comes arrives, information leaving from station, form vehicle and run live telecast completely, can forecast the vehicle situation of arriving at a station at ground based terminal, and effective foundation is provided for the circuit vehicle scheduling.
The media management terminal realizes the media management to media issuing system, comprises that medium broadcast the formulation of strategy, the broadcast strategy comprises that the medium assigned address broadcasts, and the fixed time broadcasts, and appointment is broadcasted opportunity, and predetermined number of times broadcasts, compound requirements such as set period broadcast.The editor of medium and uploading is shielded the medium that will broadcast to all terrestrial informations screens and on-vehicle information and is uploaded to media server.Media server is published to various information on services all in the system and control information on the GPRS network, comprises information on services and control information in real time.Simultaneously, portable terminal all feeds back to media server to positional information in real time in the system.Media server receives and stores all media contents from the media management terminal by LAN, simultaneously, before vehicle is dispatched a car, by WLAN (wireless local area network) media content is distributed to a plurality of portable terminals that stop according to the broadcast demand.Media center is in the storage of satisfying big capacity media content and concurrent transmission requirement, and also real-time release information is controlled the media delivery between portable terminal and the ground based terminal to each terminal.
Terminal comprises portable terminal and ground based terminal, and terminal is used for receiving and media content is broadcasted in decoding, and medium are broadcasted on the display screen.Terminal can compatible various video coded format, as forms such as MPEG1, MPEG2, MPEG4.Portable terminal carries out two-way communication by GPRS network and media server, by GPRS network the information such as position of vehicle is sent to media server, and shows information on services; Ground based terminal shows related service information according to media server by the GPRS network signal transmitted, communication processing unit adopts the GPRS mode, the GPRS mode is all adopted in the communication of ground based terminal and media server, and swap data and information comprise dynamic service information, control information.Other media informations etc. obtain from the vehicle portable terminal that pulls in by 802.11 wireless networks, dynamically show information on services.
Adopt the media label binding mode that the media file that broadcasts is defined.To each media file, following flag attribute can be set:
| Label 1 | Label 2 | Label 3 |
| Assigned address | Fixed time | Predetermined number of times |
| Termination ID | Time period | Number of times |
Each media file can be provided with 3 different labels, after the media management terminal is provided with media label,, upload to media server for each media file has generated a media label file, and finally arriving terminal with distribution of media, terminal determines that according to media label medium broadcast opportunity.Before vehicle set out, media server arrived the corresponding mobile terminal to distribute media content by WLAN (wireless local area network).Adopt the transmission technology of time shift when reducing the bandwidth cost, to enlarge bandwidth consumption to greatest extent, thereby at low cost digital media content is distributed to portable terminal.Manageable media delivery service utilizes network transformation task in idle period intelligently and calculates best distribution path.Because the media content of each terminal is not quite similar, and for making full use of bandwidth, set up multicast group to identical transmission content, different contents is unicast respectively.Simultaneously, the media content of a plurality of ground based terminals is distributed in a plurality of portable terminals, effective and media content each ground based terminal of reasonable distribution arrives different car-mounted terminals, ensureing that each media on-the-ground terminal media content was downloaded in the shortest time finishes, and makes the memory capacity basically identical of each portable terminal simultaneously.Media server is according to the media delivery state of portable terminal and ground based terminal, control media delivery process, ensure media content as early as possible, complete, inerrably receive from a plurality of portable terminal wireless networks.
Consider the layout of actual ground information screen, the operation of vehicle is passed through the GPRS network Channel Transmission for information on services frequent, small data quantity and control information, and transport behavior occurs between all terminals and the media center, and transmission is two-way.And for media information big data quantity, that number of times is less, by 802.11 wireless network transmissions, transmission occurs between a plurality of portable terminals and the ground based terminal, and transfer of data also is two-way.
Claims (6)
1. outdoor wireless interdynamic media propagating system, the cordless communication network that constitutes by media center and a plurality of media termination, it is characterized in that: described media center comprises media management terminal and media server, described a plurality of media termination comprises a plurality of portable terminals and a plurality of ground based terminal that display unit is arranged: described media server receives and stores all media contents by LAN from described media management terminal, gives described a plurality of portable terminals distribute media content by WLAN; Information on services and the two-way biography of control information of described media server by carrying out small data quantity between GPRS network and the described a plurality of media termination is auxilliary, and the transmission of media content between control portable terminal and the ground based terminal; The media information of big data quantity is transmitted between described a plurality of portable terminals and a plurality of ground based terminal.
2. outdoor wireless interdynamic media propagating system according to claim 1 is characterized in that: described media termination and ground based terminal constitute by display unit, memory, data processor, 802.11 communication modules and GPRS communication module; Described portable terminal sends to described media server to information such as positions by described GPRS communication module, and shows information on services; Described ground based terminal shows related service information in described display unit by the GPRS network signal transmitted according to described media server behind described data processor, described memory, the communication of ground based terminal and media server comprises dynamic service information, control information all by GPRS network swap data and information.
3. application process according to the described outdoor wireless interdynamic media propagating system of claim 1, this method is utilized a media server, a media management terminal, a plurality of portable terminals and a plurality of ground based terminal is characterized in that comprising the steps:
1) described media management terminal is set up TCP/IP with described media server by LAN/WAN and is connected, described media management terminal is uploaded media file to be released to described media server by LAN/WAN, formulate the media releasing tabulation simultaneously and upload to described media server, and the actual broadcast state of monitoring media;
2) described portable terminal and described media server constitute WLAN, and described media server is tabulated according to media releasing, and the media file of spy's issue is transferred to described portable terminal, pass auxilliary described media releasing tabulation simultaneously;
3) described media server and described a plurality of ground based terminal connect by GPRS network, described media server by GPRS network transmission control command to described ground based terminal, described ground based terminal with transmission medium broadcast state, the portable terminal connection status is transferred to described media server.
4. application process according to claim 3, it is characterized in that: when described portable terminal enters the wireless coverage of described ground based terminal, described portable terminal and described ground based terminal are set up WLAN, described ground based terminal receives the described media releasing tabulation of described portable terminal transmission, and transmits this terminal media file to be released according to described media releasing tabulation from described portable terminal.
5. application process according to claim 3 is characterized in that: described media releasing tabulation comprises medium name, issue terminal, issue period, date issued, the issue frequency.
6. application process according to claim 3 is characterized in that: when described ground based terminal broadcasts respective media, the real time information of described portable terminal is transferred to described media server by GPRS network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101378828A CN102215207A (en) | 2010-04-02 | 2010-04-02 | Wireless outdoor media and advertisement broadcasting system based on GPRS (general packet radio service) communication network |
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| CN2010101378828A CN102215207A (en) | 2010-04-02 | 2010-04-02 | Wireless outdoor media and advertisement broadcasting system based on GPRS (general packet radio service) communication network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841153A (en) * | 2012-11-26 | 2014-06-04 | 南京福润耐特网络科技有限公司 | Information publishing system, device and method based on wireless local area network |
| CN105225130A (en) * | 2015-10-08 | 2016-01-06 | 江苏天智互联科技股份有限公司 | Large data marketing system and exchange method thereof |
| CN106484744A (en) * | 2015-09-02 | 2017-03-08 | 北京国双科技有限公司 | A kind of key word method for uploading and device |
-
2010
- 2010-04-02 CN CN2010101378828A patent/CN102215207A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841153A (en) * | 2012-11-26 | 2014-06-04 | 南京福润耐特网络科技有限公司 | Information publishing system, device and method based on wireless local area network |
| CN106484744A (en) * | 2015-09-02 | 2017-03-08 | 北京国双科技有限公司 | A kind of key word method for uploading and device |
| CN106484744B (en) * | 2015-09-02 | 2020-06-05 | 北京国双科技有限公司 | Keyword uploading method and device |
| CN105225130A (en) * | 2015-10-08 | 2016-01-06 | 江苏天智互联科技股份有限公司 | Large data marketing system and exchange method thereof |
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Application publication date: 20111012 |