Summary of the invention
The application provides a kind of direct satellite direct broadcast system and method for supporting longitude and latitude mandate, uses for solving prior artFamily location is inaccurate, locating information is easily tampered, and does not have effective method to realize locking control that user makes land usedProblem.
In order to solve the problems of the technologies described above, the invention provides a kind of direct satellite direct broadcast system of supporting longitude and latitude mandate, bagDraw together live broadcasting satellite operation platform, satellite receiver and user terminal;
Described live broadcasting satellite operation platform is by video program information and authorize latitude and longitude information to send to live broadcasting satellite to broadcast;
Video program information and mandate longitude and latitude that described satellite receiver reception Big Dipper satellite signal, described live broadcasting satellite are broadcastDegree information;
Described user terminal connects described satellite receiver, determines user's longitude and latitude letter according to described Big Dipper satellite signalBreath, verifies whether described user's latitude and longitude information mates with described mandate latitude and longitude information, if coupling, decodingDescribed video program information, sends to display terminal to show decoded data.
The present invention separately provides a kind of direct broadcasting satellite method of supporting longitude and latitude mandate, comprises,
Send to live broadcasting satellite to broadcast video program information and mandate latitude and longitude information;
The described video program information that reception Big Dipper satellite signal, live broadcasting satellite are broadcast and mandate latitude and longitude information;
Determine user's latitude and longitude information according to described Big Dipper satellite signal, verify described user's latitude and longitude information and instituteWhether state and authorize latitude and longitude information to mate, if coupling, the described video program information of decoding, by decoded dataSend to display terminal to show.
A kind of direct satellite direct broadcast system and method for supporting longitude and latitude mandate provided by the invention, is connect by live broadcasting satellite low-converterReceive video program information and authorize latitude and longitude information, receive Big Dipper satellite signal by Beidou antenna, by user terminalBig Dipper module is calculated user's position, realizes user's precise positioning, simultaneously user terminal processes device by security system andAuthentication mechanism ensures the reliability of terminal and the legitimacy of data, realizes the Region control to user, makes empowered zoneThe validated user in territory can be watched the live broadcasting satellite broadcast TV program of mandate, realizes management and control to radio and television.
Detailed description of the invention
In order to make technical characterstic of the present invention and effect more obvious, below in conjunction with accompanying drawing, technical scheme of the present invention is doneFurther illustrate, the present invention also can have other different instantiations to be illustrated or to implement, any art technologyThe equivalents that personnel do within the scope of claim all belongs to protection category of the present invention.
The direct satellite direct broadcast system pie graph of the support longitude and latitude mandate that as shown in Figure 1, Fig. 1 is one embodiment of the invention.
The present embodiment can obtain user's locating information, has realized the Region control to live broadcasting satellite broadcast TV program, energyThe phenomenon that enough effectively illegal user's satellite receivers of solution and user terminal are watched satellite programming.
Concrete, support the direct satellite direct broadcast system of longitude and latitude mandate to comprise, live broadcasting satellite operation platform 101, satellite receptionDevice 104 and user terminal 105;
Described live broadcasting satellite operation platform 101 is by video program information and authorize latitude and longitude information to send to live broadcasting satellite 102Broadcast;
Described satellite receiver 104 receives Big Dipper satellite signal, the described live broadcasting satellite 102 that big-dipper satellite 103 sendsThe video program information of broadcasting and mandate latitude and longitude information;
Described user terminal 105 connects described satellite receiver 104, determines user's according to described Big Dipper satellite signalLatitude and longitude information, verifies whether described user's latitude and longitude information mates with described mandate latitude and longitude information, if coupling,The described video program information of decoding, sends to display terminal to show decoded data.
Detailed says, the video program information that live broadcasting satellite operation platform sends is provided by satellite programming provider, asEach satellite TV channel, authorizing latitude and longitude information is that live broadcasting satellite operation platform generates according to policy etc.
User terminal described in the application is set top box for satellite receiver, includes but not limited to culminant star 9B DVB topBox, AsiaSat 3S set top box for satellite receiver etc.
In order to ensure the safety of transmission information, live broadcasting satellite operation platform by after mandate latitude and longitude information encrypted signature by defendingStar channel is broadcast, and authorizes latitude and longitude information to send by overall EMM packet format, simultaneously live broadcasting satellite operation platformBy video program information via satellite passage broadcast, video program information sends with TS stream format. Satellite receptionDevice receives to authorize and is sent to user terminal after latitude and longitude information and carries out signature authentication.
In one embodiment of the invention, described live broadcasting satellite operation platform is by video program information and authorize latitude and longitude information to sendWhen broadcasting to live broadcasting satellite, also send to described live broadcasting satellite to broadcast mandate programme information;
Video program information and mandate longitude and latitude that described satellite receiver reception Big Dipper satellite signal, described live broadcasting satellite are broadcastWhen degree information, also receive the mandate programme information that live broadcasting satellite is broadcast;
After described user terminal verifies that described user's latitude and longitude information is mated with described mandate latitude and longitude information, according to instituteState the video program information of authorizing programme information decoding to authorize.
Equally, in order to ensure the safety of transmission information, authorize programme information and authorize latitude and longitude information after encrypted signatureBroadcast, authorize programme information to send by alone family EMM bag or group EMM, authorize latitude and longitude information to pass throughOverall situation EMM packet format sends.
The described mandate latitude and longitude information and the described mandate programme information that receive are sent to use by described live broadcasting satellite receiverFamily terminal is carried out signature authentication.
The schematic diagram of the satellite receiver that as shown in Figure 2, Fig. 2 is one embodiment of the invention.
The satellite-signal that satellite receiver provided by the invention is broadcast except receiving live broadcasting satellite, can also receive culminant starThe Big Dipper satellite signal that big-dipper satellite produces.
Concrete, described satellite receiver 200 comprises, live broadcasting satellite low-converter 201 and Beidou antenna 202;
The information that described live broadcasting satellite low-converter 201 is broadcast for receiving described live broadcasting satellite, as video program information and awardPower latitude and longitude information or video program information, mandate latitude and longitude information and mandate programme information.
Described Beidou antenna 202 is for receiving described Big Dipper satellite signal.
It should be noted that, the installation site of the live broadcasting satellite low-converter described in Fig. 2 and Beidou antenna is only exemplaryIllustrate, in other embodiments of the invention, also can be arranged on other positions of satellite receiver.
Further, shown in Fig. 3, described user terminal 300 comprises, live broadcasting satellite tuner 301, Big Dipper mouldPiece 302 and processor 303;
Described live broadcasting satellite tuner 301 connects described live broadcasting satellite low-converter 201, receives live broadcasting satellite low-converter and sendsInformation;
Described Big Dipper module 302 connects described Beidou antenna 202, for calculating described user's latitude and longitude information;
Described processor 303 connects described live broadcasting satellite tuner 301 and described Big Dipper module 302, by clean bootMechanism start-up routine receives described user's latitude and longitude information, verifies described user's latitude and longitude information and described mandate warpWhether latitude information mates, if described user's latitude and longitude information is included within the scope of described mandate latitude and longitude information,Control described live broadcasting satellite tuner to the processing of decoding of described video program information, decoded data are sent to aobviousShow that terminal shows.
If the mandate latitude and longitude information that live broadcasting satellite operation platform sends is to encrypt to send, live broadcasting satellite tuner receivesVideo program information and authorizing after latitude and longitude information, is first sent to mandate latitude and longitude information processor and signs and recognizeCard, the legitimacy of latitude and longitude information is authorized in checking. In this simultaneously, in order to ensure security, processor and Big Dipper moduleBefore communication, first carry out bidirectional identity authentication, after certification is passed through, Big Dipper module is encrypted user's latitude and longitude information to send outGive processor (only having user's latitude and longitude information that Big Dipper module that authentication is passed through provides to be just accepted), processWhether the latitude and longitude information of device authentication of users mates with authorizing latitude and longitude information, determines that whether user's latitude and longitude information existsAuthorize longitude and latitude within the scope of, if user's latitude and longitude information authorize latitude and longitude information within the scope of, processorControl live broadcasting satellite tuner to the video program information the receiving processing of decoding, decoded data are sent to demonstrationDevice plays.
As shown in Figure 4, the satellite receiver that Fig. 4 is one embodiment of the invention and the connected mode schematic diagram of user terminal.
In the present embodiment, between described satellite receiver and described user terminal, be connected by customization twin-core cable 10,Described double wired conductor cable wrap is drawn together a live broadcasting satellite coaxial line and a Big Dipper coaxial line, if live broadcasting satellite coaxial line is No. 9, culminant star75 Ω impedance coaxial cables, the 50 Ω impedance coaxial cables that Big Dipper coaxial line is the Big Dipper. Satellite-signal passes through double wired conductorCable is transferred to after user terminal, live broadcasting satellite coaxial line access live broadcasting satellite tuner 301, Big Dipper coaxial line access Big Dipper mouldPiece 302.
As shown in Figure 5, the satellite receiver that Fig. 5 is another embodiment of the present invention and the signal of the connected mode of user terminalFigure.
In the present embodiment, satellite receiver 200 also comprises combiner 203, described in the input of described combiner connectsLive broadcasting satellite low-converter and described Beidou antenna, for mixing described video program information, described mandate latitude and longitude informationAnd described satellite-signal;
Described user terminal 300 also comprises separator 304, and the input of described separator connects the defeated of described combinerGo out end, the output of described shunt connects described live broadcasting satellite tuner 301 and described Big Dipper module 302, for dividingFrom mixed signal.
When mixing, it should be noted that big-dipper satellite down coversion scope B1 (1559MHz~1591MHz), B2 (1166MHz~1217MHz), B3 (1250MHz~1286MHz), live broadcasting satellite down coversion scope is950MHz~1450MHz, need avoid Big Dipper B2, B3 frequency or carry out frequency spectrum shift when mixing.
Provided by the inventionly a kind ofly support the direct satellite direct broadcast system of longitude and latitude mandate by live broadcasting satellite low-converter receiver, videoProgramme information and mandate latitude and longitude information, receive Big Dipper satellite signal by Beidou antenna, by the Big Dipper mould in user terminalPiece calculates user's position, realizes user's precise positioning, and user terminal processes device is by security system and certification machine simultaneouslySystem ensures the reliability of terminal and the legitimacy of data, realizes the Region control to user, makes closing of authorized regionMethod user can watch the live broadcasting satellite broadcast TV program of mandate, realizes management and control to radio and television.
As shown in Figure 6, the direct broadcasting satellite method of the support longitude and latitude mandate that Fig. 6 is one embodiment of the invention, the methodComprise:
Step 601: send to live broadcasting satellite to broadcast video program information and mandate latitude and longitude information;
Step 602: the described video program information that reception Big Dipper satellite signal, live broadcasting satellite are broadcast and mandate longitude and latitude letterBreath;
Step 603: determine user's latitude and longitude information according to described Big Dipper satellite signal, verify described user's longitude and latitudeWhether degree information mates with described mandate latitude and longitude information, if coupling, the described video program information of decoding, will separateData after code send to display terminal to show.
Further, by video program information and authorize latitude and longitude information also will authorize when sending to live broadcasting satellite to broadcastProgramme information sends to described live broadcasting satellite to broadcast;
When the video program information that reception Big Dipper satellite signal, described live broadcasting satellite are broadcast and mandate latitude and longitude information, go backReceive the mandate programme information that live broadcasting satellite is broadcast;
After the latitude and longitude information of verifying described user is mated with described mandate latitude and longitude information, according to described mandate program letterThe video program information that breath decoding is authorized.
With a specific embodiment explanation the application technical scheme, as shown in Figure 7, comprise below,
Step 701: live broadcasting satellite operation platform is to authorizing latitude and longitude information and authorizing programme information to carry out encrypted signature placeReason, by mandates latitude and longitude information, mandate programme information and video program information via satellite passage send to live broadcasting satellite to broadcastSend out;
Step 702: the Beidou antenna in satellite receiver receives Big Dipper satellite signal, the live broadcasting satellite in satellite receiverLow-converter receives the information that live broadcasting satellite is broadcast, and the Big Dipper satellite signal receiving is transferred to user terminal by Beidou antennaIn Big Dipper module, the information that live broadcasting satellite low-converter is broadcast the live broadcasting satellite receiving sends to straight in user terminalBroadcast star tuner;
Step 703: Big Dipper module is calculated user's latitude and longitude information, Big Dipper module according to the Big Dipper satellite signal receivingUser's latitude and longitude information is encrypted to the processor that sends to user terminal, processor and Big Dipper module are first carried out identity and are recognizedCard, after authentication is passed through, the user's that reception Big Dipper module provides latitude and longitude information;
Step 704: the mandate latitude and longitude information that live broadcasting satellite tuner is broadcast the live broadcasting satellite of reception and mandate programme informationSend to the processor in user terminal to carry out signature authentication, after signature authentication, continue subsequent step;
Step 705: processor compares user's latitude and longitude information and the mandate latitude and longitude information being verified,If user's latitude and longitude information is being authorized within the scope of latitude and longitude information, processor notice live broadcasting satellite tuner is to authorizing jointVideo program information in order range of information is decoded, and decoded data send to display terminal to show.
The direct broadcasting satellite method of support longitude and latitude provided by the invention mandate can realize user's precise positioning, simultaneously userTerminal handler ensures the reliability of terminal and the legitimacy of data by security system and authentication mechanism, realizes usingThe Region control at family, makes the validated user of authorized region can watch the live broadcasting satellite broadcast TV program of mandate, realizesManagement to radio and television and control.
The above is only for the application's technical scheme is described, any those of ordinary skill in the art all can without prejudice toUnder spirit of the present invention and category, above-described embodiment is modified and changed. Therefore, rights protection model of the present inventionEnclose and should be as the criterion depending on claim scope.