CN102542956A - Outdoor media and advisement playing system based on mobile communication network - Google Patents
Outdoor media and advisement playing system based on mobile communication network Download PDFInfo
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- CN102542956A CN102542956A CN2010105783423A CN201010578342A CN102542956A CN 102542956 A CN102542956 A CN 102542956A CN 2010105783423 A CN2010105783423 A CN 2010105783423A CN 201010578342 A CN201010578342 A CN 201010578342A CN 102542956 A CN102542956 A CN 102542956A
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Abstract
The invention relates to a wireless outdoor media communication system based on a mobile network and an applying method of the wireless outdoor media communication system, and in particular relates to an outdoor media and advisement playing system based on a GPRS (General Packet Radio Service) network, which comprises a media center and a wireless communication network consisting of a plurality of media terminals, wherein the media center comprises a media management terminal and a media server, each media terminal comprises a plurality of mobile terminals and a plurality of ground terminals with display units; the media server receives and stores all media contents from the media management terminal through an LAN (Local Area Network), and distributes the media contents to the plurality of mobile terminals trough a WLAN (Wireless Local Area Network); the media server transmits small data volume of service information and control information with the plurality of media terminals through the GPRS network, and controls the mobile terminals to transmit the media contents with the ground terminals; and large data volume of media information is transmitted between the plurality of mobile terminals and the plurality of ground terminals through the network. According to the invention, central unified control, integrated operation information, news entertainment and advisement information, different played contents in different places, and individualized playing are realized.
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 brings huge development opportunity and profit margin for the It industry.
" 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 make or play with CD in advance, can't accomplish that control is broadcasted in real time, to needs intercut or broadcast simultaneously some in real time, the situation of 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 main with TV station under the broadcasting and TV system or radio, film and television group mainly, adopts the mode of wireless mobile broadcast of eMTV or dvd playback as the one of which.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 out of doors, receive the restriction of the big contradiction of wireless network bandwidth deficiency and digital media data amount: 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 infotech far away.
The outdoor wireless interdynamic media system is to 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 through WLAN; All control information and Word message transmit through 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 sending 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 receive the problem about traffic easily.
Summary of the invention
Technical matters 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; Said media center comprises media management terminal and media server; Said a plurality of media termination comprises a plurality of portable terminals and a plurality of ground based terminal that display unit is arranged: said media server receives and stores all media contents through LAN from said media management terminal, give said a plurality of portable terminals distribute media content through WLAN; Said media server is through carrying out the information on services of small data quantity and the transmitted in both directions of control information between GPRS network and the said 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 said a plurality of portable terminals and a plurality of ground based terminal.
Said media termination and ground based terminal constitute by display device, storer, data processor, 802.11 communication modules and GPRS communication module; Said portable terminal sends to said media server to information such as positions through said GPRS communication module, and shows information on services; Said ground based terminal shows related service information in said display device through the GPRS network signal transmitted according to said media server behind said data processor, said storer; The communication of ground based terminal and media server comprises dynamic service information, control information all through 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) said media management terminal is set up TCP/IP with said media server LAN/WAN and is connected; Media file to be released is uploaded to said media server through LAN/WAN in said media management terminal; Formulate the media releasing tabulation simultaneously and upload to said media server, and the actual broadcast state of monitoring media:
2) said portable terminal and said media server constitute WLAN, and said media server is tabulated according to media releasing, is transferred to said portable terminal to media file to be released, transmit said media releasing tabulation simultaneously;
3) said media server and said a plurality of ground based terminal connect through GPRS network; Said media server through GPRS network transmission steering order to said ground based terminal, said ground based terminal with transmission medium broadcast state, the portable terminal connection status is transferred to said media server.
When said portable terminal gets into the wireless coverage of said ground based terminal; Said portable terminal and said ground based terminal are set up WLAN; Said ground based terminal receives the said media releasing tabulation of said portable terminal transmission, and transmits this terminal media file to be released according to said media releasing tabulation from said portable terminal.
Said media releasing tabulation comprises medium name, issue terminal, issue period, date issued, the issue frequency.
When said ground based terminal broadcasts respective media, the real-time information of said portable terminal is transferred to said media server through 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 through 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.Through 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 through GPRS; Remain online connection; Media server is the receiving terminal feedback signal from the terminal; Issuing service information and transmit the control information to the terminal simultaneously, the media delivery of control terminal and broadcast realize the real-time release of text class information on services.The transmission of media management terminal control media content from the portable terminal to the ground based terminal through media center.
Through 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.
Through 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, set up TCP/IP through LAN/WAN and connect, medium to be released are uploaded to media server through LAN/WAN in the media management terminal; 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 gets into 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 is issued tabulation simultaneously 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 through 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 through GPRS Channel Transmission steering order.When vehicle goes at circuit; When getting into the wireless coverage of ground based terminal; Portable terminal and ground based terminal are set up WLAN, the media releasing tabulation of ground based terminal mobile terminal receive transmission, and according to the medium of media releasing tabulation from the special issue in this terminal of portable terminal transmission.And; Broadcast respective media according to media releasing tabulation, can issue that vehicle arrives at a station, information leaving from station simultaneously, and vehicle arrive at a station, information leaving from station is transferred to media server through 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 to media issuing system is realized at the media management terminal, 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 with 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 from the media management terminal through LAN and stores all media contents, simultaneously, before vehicle is dispatched a car, is distributed to a plurality of portable terminals that stop to media content according to the broadcast demand through WLAN.Media center is in the storage of satisfying the high 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.
The terminal comprises portable terminal and ground based terminal, and the terminal is used for receiving and media content is broadcasted in decoding, broadcasts medium on the display screen.The terminal can compatible various video coded format, like forms such as MPEG1, MPEG2, MPEG4.Portable terminal carries out two-way communication through GPRS network and media server, sends to media server to the information such as position of vehicle through GPRS network, and shows information on services; Ground based terminal shows related service information according to media server through 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 through 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 arrive the terminal with distribution of media, the terminal confirms that according to media label medium broadcast opportunity.Before vehicle set out, media server arrived the corresponding mobile terminal to distribute media content through WLAN.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 at 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; Distribute to the media content of a plurality of ground based terminals in a plurality of portable terminals; Effective and media content each ground based terminal of reasonable distribution arrives different car-mounted terminals; Ensure that each media on-the-ground terminal media content downloads completion in the shortest time, make 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, through 802.11 wireless network transmissions, transmission occurs between a plurality of portable terminals and the ground based terminal, and data transmission 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: said media center comprises media management terminal and media server; Said a plurality of media termination comprises a plurality of portable terminals and a plurality of ground based terminal that display unit is arranged: said media server receives and stores all media contents through LAN from said media management terminal, give said a plurality of portable terminals distribute media content through WLAN; Said media server is through carrying out the information on services of small data quantity and the transmitted in both directions of control information between GPRS network and the said 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 said 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: said media termination and ground based terminal constitute by display device, storer, data processor, 802.11 communication modules and GPRS communication module; Said portable terminal sends to said media server to information such as positions through said GPRS communication module, and shows information on services; Said ground based terminal shows related service information in said display device through the GPRS network signal transmitted according to said media server behind said data processor, said storer; The communication of ground based terminal and media server comprises dynamic service information, control information all through GPRS network swap data and information.
3. application process according to the said 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) said media management terminal is set up TCP/IP with said media server through LAN/WAN and is connected; Media file to be released is uploaded to said media server through LAN/WAN in said media management terminal; Formulate the media releasing tabulation simultaneously and upload to said media server, and the actual broadcast state of monitoring media;
2) said portable terminal and said media server constitute WLAN, and said media server is tabulated according to media releasing, is transferred to said portable terminal to media file to be released, transmit said media releasing tabulation simultaneously;
3) said media server and said a plurality of ground based terminal connect through GPRS network; Said media server through GPRS network transmission steering order to said ground based terminal, said ground based terminal with transmission medium broadcast state, the portable terminal connection status is transferred to said media server.
4. application process according to claim 3; It is characterized in that: when said portable terminal gets into the wireless coverage of said ground based terminal; Said portable terminal and said ground based terminal are set up WLAN; Said ground based terminal receives the said media releasing tabulation of said portable terminal transmission, and transmits this terminal media file to be released according to said media releasing tabulation from said portable terminal.
5. application process according to claim 3 is characterized in that: said 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 said ground based terminal broadcasts respective media, the real-time information of said portable terminal is transferred to said media server through GPRS network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105783423A CN102542956A (en) | 2010-12-08 | 2010-12-08 | Outdoor media and advisement playing system based on mobile communication network |
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| CN2010105783423A CN102542956A (en) | 2010-12-08 | 2010-12-08 | Outdoor media and advisement playing system based on mobile communication network |
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| CN102542956A true CN102542956A (en) | 2012-07-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198470A (en) * | 2018-02-05 | 2018-06-22 | 安徽理工大学 | A kind of promotional system and its control circuit applied to big data knowledge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198470A (en) * | 2018-02-05 | 2018-06-22 | 安徽理工大学 | A kind of promotional system and its control circuit applied to big data knowledge |
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Application publication date: 20120704 |