CN101304494A - Method and system for data communication of digital television - Google Patents
Method and system for data communication of digital television Download PDFInfo
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Abstract
The invention provides a data exchange method used for a digital television and a system thereof. The method comprises the following steps: establishing a data transmission link between a digital television receiving terminal and a mobile communication terminal; carrying out data exchange between the digital television receiving terminal and a digital television network front system through the data transmission link and a mobile communication network. Through the invention, a bidirectional data transmission link can be established between the digital television receiving terminal and the digital television network front system, thus solving the problem of network feedback of the digital television. The data exchange method is also suitable for various digital television networks and has no influence on the existing digital television networks and mobile communication networks, thus saving the cost.
Description
Technical field
The present invention relates to digital television techniques and mobile communication technology, particularly a kind of method for interchanging data and system that is used for Digital Television.
Background technology
Development along with audio frequency, digital video coding techniques, information source compress technique and channel coding technology, digital television techniques is day by day ripe, digital television techniques in the shooting of television system, record, play, transmit, every field such as demonstration obtained significant progress, Digital Television replaces simulated television to become mondial common recognition.
Because present television set major part also is based on the simulated television of analog channel transmission, develop into Digital Television from simulated television and must consider that users use general television set to watch the problem of digital television program, a kind of end product that receiving terminal for digital television addresses this problem just.Wherein, the comprehensive decoder of Digital Television of functions such as receiving terminal for digital television is meant and receives and handle digital television signal, carry out channel demodulation, source coding, audio frequency and video digital-to-analogue conversion can be divided into according to the difference of digital television transmission channel: satellite digital TV receiving terminal, cable digital TV receiving terminal, ground digital TV receiving terminal.
Be accompanied by the continuous development of digital television techniques, digital television system is progressively broadcasted from original single programs and is developed into the operation platform that can support the several data business.On digital television system, can carry out more type of service, for example video request program, recreation, Email, internet browsing etc.Receiving terminal for digital television, as digital TV set-top box, digital television receiver, if support the data service that these are new, must have the network retransmission function, user's operation information is passed back to digital television system front end, the business service that digital television system front end is correlated with according to the information of passback.
The receiving terminal for digital television that has retransmission function just is called the bi-directional digital television receiving terminal.Current most two-way receiving terminal adopts passages such as telephone wire, cable of cable TV or Ethernet to return usually, constitutes interactive television by above-mentioned passback.Existing passback technology mainly contains following several mode: the phone passback mode by public mutual telephone network (PSTN:Public Switched Telephone Network), the mode by the Ethernet passback, the passback mode by cable modem and by international digital audio video association/the take back passback mode of digital video broadcasting (DAVIC/DVB-RC) passage that passes passage.
Below be that digital TV set-top box is an example with the receiving terminal for digital television, above-mentioned passback mode is described.
As shown in Figure 1, for adopting telephone wire to return the formation schematic diagram of the digital TV set-top box of mode.As shown in Figure 1, at the inner internal modem (modem) of digital TV set-top box, when the user is carrying out operation such as play-on-demand program on the STB terminal after, set-top box at first will need the packing data that returns by this modulator-demodulator, carry out data-modulated then, send to the PSTN network, send to front end system by the PSTN network.
The advantage of above-mentioned telephone wire passback mode is: easily realize, cost is low.But the shortcoming of above-mentioned passback mode is: because telephone wire self transmission ability is low, and conventional dial uses is the speech segments of phone, and maximum transmission rate has only 112kps, and therefore, it is untimely to cause that the passback data transmission bauds is slow, the user operates response; In addition, because set-top box is wanted internal modem, therefore also increased cost.
As shown in Figure 2, for adopting Ethernet to return the formation schematic diagram of the digital TV set-top box of mode.As shown in Figure 2,, be connected with ethernet network, constitute the Digital Television return network by the RJ45 interface at the inner integrated 10/100M ethernet module of digital TV set-top box.For example aspect concrete enforcement, can directly RJ45 interface and ADSL Modem on the set-top box be linked together by netting twine, set-top box passback data are sent to data on the ADSL Modem by built-in ethernet nic, by on the ADSL Modem data being passed back on the system front end, constitute the bilateral network of digital TV set-top box.
The advantage of above-mentioned Ethernet passback mode is to have solved telephone wire and returns slow-footed shortcoming.But the shortcoming of Ethernet passback mode is to be subjected to the restriction that ethernet network covers, and needs to add Ethernet card in the set-top box, thereby increases complete machine cost and software and hardware realization difficulty.
As shown in Figure 3, for adopting cable modem to return the formation schematic diagram of the digital TV set-top box of mode.As shown in Figure 3, using the cable modem passback is exactly to utilize passback in the wire cable band of cable digital TV, present cable modem has several standards, comprise the IEEES02.14 agreement of IEEE definition, the DAVIC agreement of DAVIC (the digital audio/video committee) definition, and the DOCSIS and the Euro-DOCSIS agreement of MCNS (Media Cable network system) definition.Because cable modem all possesses USB interface, can be connected with computer, adds USB interface in set-top box, just can the connection cable modulator-demodulator.Constitute the return network of cable digital TV by this method.
Adopt the advantage of above-mentioned cable modem retransmission method to be, solved the shortcoming that other scheme need be used other networks, transmission speed is fast, directly uses cable TV network to constitute passback.But the shortcoming of this method is, can only solve the passback problem of cable digital TV, can't solve the passback problem of satellite digital TV, terrestrial DTV; And big by unilateral network to bilateral network renovation technique difficulty, the expense height.
Summary of the invention
The embodiment of the invention provides a kind of method for interchanging data and system that is used for Digital Television.By this method mobile communications network and digital TV network are linked together, solve the network passback problem of Digital Television well, and can not have any impact, thereby save cost existing digital television network and mobile communications network.
The embodiment of the invention provides a kind of method for interchanging data that is used for Digital Television, and the method comprising the steps of:
Set up the data transmission link between receiving terminal for digital television and the mobile communication terminal;
Utilize described data transmission link and mobile communications network to carry out exchanges data between described receiving terminal for digital television and the digital TV network front end system.
The present invention also provides a kind of data exchange system that is used for Digital Television, comprises receiving terminal for digital television, digital TV network front end system; Also comprise: mobile communication terminal and mobile communications network front end system;
Described mobile communication terminal, communicate with described receiving terminal for digital television, mobile communications network front end system, receive the data that described receiving terminal for digital television transmits, handle the back and be sent to described mobile communications network front end system by mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to described receiving terminal for digital television after handling;
Described mobile communications network front end system is used to receive the data that described mobile communication terminal transmits, and is sent to the digital TV network front end system; Be used for the data that receiving digital television network front end system transmits, and be sent to described mobile communication terminal.
The embodiment of the invention also provides a kind of receiving terminal for digital television, comprises front-end circuit, back-end circuit; Also comprise at least: user's control circuit, central processing unit and data-interface; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described central processing unit; Described central processing unit receives described user's operational order, judged whether that described mobile communication terminal is connected on this receiving terminal for digital television, when if judged result is connected on this receiving terminal for digital television for described mobile communication terminal is arranged, generate the passback data, and should return data and be sent to described data-interface; Described data-interface receives described passback data, and should return data and be sent to mobile communication terminal;
Described data-interface also receives the data that described mobile communication terminal transmits, and is sent to described central processing unit; Described central processing unit is handled and is operated accordingly described data.
The embodiment of the invention provides a kind of method for interchanging data of Digital Television, described method for interchanging data is based on the mobile communication terminal with Digital Television receiving function, and described mobile communication terminal comprises Digital Television receiving element and the communication unit that is connected with described Digital Television receiving element at least;
Described method for interchanging data comprises: described mobile communication terminal utilizes between mobile communications network and the digital TV network front end system and carries out exchanges data.
The embodiment of the invention provides a kind of data exchange system of Digital Television, comprises the digital TV network front end system, also comprises mobile communication terminal and mobile communications network front end system; Wherein,
Described mobile communication terminal comprises Digital Television receiving element and communication unit at least; Wherein,
Described Digital Television receiving element is used for receiving and response user operational order, generates the passback data, and should return data and be sent to described communication unit; Receive the data that described communication transmits, described data are handled and operated accordingly;
Described communication unit is used to receive the data that described Digital Television receiving element transmits, and handles the back and is sent to described mobile communications network front end system by mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to described Digital Television receiving element after handling;
Described mobile communications network front end system is used to receive the data that described mobile communication terminal transmits, and is sent to the digital TV network front end system; Be used for the data that receiving digital television network front end system transmits, and be sent to described mobile communication terminal.
The embodiment of the invention provides a kind of mobile communication terminal with Digital Television receiving function, comprises Digital Television receiving element and the communication unit that is connected with this Digital Television receiving element, wherein,
Described Digital Television receiving element comprises front-end circuit, back-end circuit, also comprises: the user's control circuit and second central processing unit; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described second central processing unit; Described second central processing unit receives described user's operational order, generates the passback data, and will return first central processing unit that data are sent to described communication unit;
Described second central processing unit also receives the data that described communication unit transmits, and described data are handled and operated accordingly;
The communication unit of described mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Described antenna is used for receiving the data that described mobile communications network front end system sends by mobile communications network, and these data are sent to described radio frequency unit;
Described radio frequency unit is sent to described first central processing unit after the data that receive are handled; Described first central processing unit receives the data after handling, and the data after handling is sent to second central processing unit of described Digital Television receiving element;
Described first central processing unit also receives the passback data that described Digital Television receiving element transmits, and is sent to radio frequency unit after described passback data are handled, and by the described passback data of described antenna transmission described mobile communications network front end system extremely.
The beneficial effect of the embodiment of the invention is, by the data transmission link between receiving terminal for digital television and the digital TV network front end system, has solved the network passback problem of Digital Television;
Be applicable to various digital TV networks, and can not have any impact existing digital television network and mobile communications network;
Easy to implement, and mobile communication terminal can also separate independent use with receiving terminal for digital television, uses flexibly.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the formation schematic diagram of the digital TV set-top box end of available technology adopting telephone wire passback mode;
Fig. 2 is the formation schematic diagram of the digital TV set-top box of available technology adopting Ethernet passback mode;
Fig. 3 is the formation schematic diagram of the digital TV set-top box of available technology adopting cable modem passback mode;
Fig. 4 A is the formation schematic diagram of receiving terminal for digital television of the present invention;
Fig. 4 B is the formation schematic diagram of the receiving terminal for digital television of the embodiment of the invention;
Fig. 5 is the formation schematic diagram of the mobile communication terminal of the embodiment of the invention;
Fig. 6 is the data exchange system structural representation of the embodiment of the invention;
Fig. 7 A is the flow chart that the embodiment of the invention is communicated by letter between receiving terminal for digital television and the mobile communication terminal when utilizing data transmission link passback data;
The flow chart of communicating by letter between mobile communication terminal and the digital TV network front end system when Fig. 7 B is embodiment of the invention passback data;
Fig. 8 utilizes data transmission link for the embodiment of the invention and carries out the flow chart of communicating by letter between downlink data when exchange mobile communication terminal and the receiving terminal for digital television;
Fig. 9 is the data exchange system structural representation of another embodiment of the present invention;
Figure 10 constitutes schematic diagram for the mobile communication terminal with Digital Television receiving function of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
The embodiment of the invention provides a kind of method for interchanging data and system that is used for Digital Television.Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.
Embodiment one
The embodiment of the invention provides a kind of data exchange system that is used for Digital Television, as shown in Figure 6, comprises receiving terminal for digital television 601, digital TV network front end system 604; Comprise in addition: mobile communication terminal 602 and mobile communications network front end system 603; Wherein,
Mobile communications network front end system 603 is used to receive the data that mobile communication terminal 602 transmits, and is sent to digital TV network front end system 604; Be used for the data that receiving digital television network front end system 604 transmits, and be sent to mobile communication terminal 602.
In the present embodiment, as shown in Figure 5, mobile communication terminal 602 comprises at least: antenna, radio frequency unit 501, central processing unit 502 and data-interface 507; Wherein,
Antenna is used to receive the data of mobile communications network front end system 603 transmissions that transmit by mobile communications network, and these data are sent to radio frequency unit 501; After 501 pairs of data that receive of radio frequency unit are handled, be sent to central processing unit 502; The data that central processing unit 502 receives after handling, judged whether that receiving terminal for digital television is connected on this mobile communication terminal, if when judged result is connected on this mobile communication terminal for receiving terminal for digital television is arranged, these data are sent to described data-interface 507; Data after the processing that data-interface 507 reception central processing units 502 transmit, and the data after will handling are sent to receiving terminal for digital television;
Data-interface 507 is gone back the passback data that the receiving digital television receiving terminal transmits, and is sent to central processing unit 502; Be sent to radio frequency unit 501 after 502 pairs of passbacks of central processing unit data are handled, and return data to described mobile communications network front end system 603 by antenna transmission.
In addition, above-mentioned mobile communication terminal also comprises phonetic entry output unit 503, memory 506, key input unit 504, display unit 505 etc.
Wherein, central processing unit 502 is control cores of mobile communication terminal, except finishing above-mentioned functions, also is responsible for the execution that whole system is instructed, the computing of numeral and logic, the storage of data and transmission, and the control of internal and external input and output.The operating system of operating mobile communication terminal is controlled the work of other each part.
The effect and the prior art of radio frequency unit 501, phonetic entry output unit 502, display unit 505 and memory 506 are similar, repeat no more herein.
The data-interface 507 of above-mentioned mobile communication terminal is one or more in infrared interface, blue tooth interface, USB interface and Wireless Fidelity (WIFI:Wi-Fi, the Wireless Fidelity) interface.Communicate by above-mentioned data-interface 507 mobile communication terminals and digital TV terminal.
Shown in Fig. 4 A, in the present embodiment, receiving terminal for digital television comprises front-end circuit 401, back-end circuit 402, comprises user's control circuit 405, central processing unit 403 and data-interface 404 in addition at least; Wherein,
User's control circuit 405 is used for receiving and response user operational order, and this user's operational order is sent to central processing unit 403; Central processing unit 403 receives described user's operational order, judged whether that mobile communication terminal is connected on this receiving terminal for digital television, when if judged result is connected on this receiving terminal for digital television for mobile communication terminal is arranged, generate the passback data, and should return data and be sent to data-interface 404; Data-interface 404 receives this passback data, and should return data and be sent to mobile communication terminal;
Data-interface 404 also receives the data that mobile communication terminal transmits, and is sent to central processing unit 403; 403 pairs of these data of central processing unit are handled and are carried out corresponding next step operation.For example, when receiving the authorization message of a digital television program by data-interface 404, the central processing unit 403 of this receiving terminal for digital television is play the corresponding digital TV programme by authorization message control figure television receive terminal.
In the present embodiment, above-mentioned central processing unit 403 can adopt RISC CPU; This central processing unit 403 is cores of whole system, except that finishing above-mentioned functions, is responsible for the execution that whole system is instructed, the computing of numeral and logic, the storage of data and transmission, and the control of internal and external input and output.
User's control circuit 405 can be remote controller receiving circuit, keyboard scanning circuit, led drive circuit, RS232 level shifting circuit etc., is mainly used in to receive response user operation.
The data-interface 404 of above-mentioned receiving terminal for digital television is one or more in infrared interface, blue tooth interface, USB interface and the WIFI interface.By above-mentioned data-interface, mobile communication terminal and digital TV terminal communicate.
In the foregoing description, receiving terminal for digital television can be digital TV set-top box or digital television receiver, below in conjunction with accompanying drawing 4B the formation of the receiving terminal for digital television of the embodiment of the invention is elaborated.
Shown in Fig. 4 B, when receiving terminal for digital television constitutes schematic diagram.Wherein, front-end circuit 401 comprises tuner and channel demodulation chip; Back-end circuit 402 comprises demodulation multiplexer, MPEG-2 audio frequency and video, graphic decoder; Video encoder and audio frequency DAC unit; In addition, also comprise unit such as user's control circuit, peripheral interface, memory device (not shown).
The function and the prior art of the each several part of above-mentioned front-end circuit 401 and back-end circuit 402 are similar, and brief description is as follows herein.Wherein,
In the front-end circuit 401, tuner is used to lock Digital Television emission frequency, carries out down-converted, and high-frequency signal is transformed into intermediate-freuqncy signal, and intermediate-freuqncy signal sends the channel demodulation chip to after digital-to-analogue transforms.The channel demodulation chip carries out corresponding channel-decoding, generates transport stream (TS).
In the back-end circuit 402, demodulation multiplexer is that compound transport stream (TS) is disassembled, take out digital program stream or the data flow or the information on services (SI) of the decoding that needs, demultiplexing need take a lot of internal memories, generally be to use External memory equipment, as dynamic random access memory (DRAM:Dynamic Random Access Memory) or outside SDRAM.The data that demodulation multiplexer is sent are video PES data and audio frequency PES data of compression, must the PES data be decompressed with the audio decoder of MPEG-2 Video Decoder and MPEG-1 or MPEG-2.The MPEG-2 Video Decoder is according to MPEG-2 MP/ML standard vision signal to be recovered out, and exports with the digital signal of CCIR601 reference format.Audio decoder is according to ISO 11172-3 or ISO 13818-3 standard audio signal to be recovered out, and exports with the digital signal of pulse-code modulation (PCM:Pulse CodeModulation) reference format.Video Decoder and audio decoder all need to take a lot of internal memories, and general system uses External memory equipment, as DRAM or outside SDRAM.
Video encoder is that decoded digital signal is converted to analog signal, receive the CCIR-601 digital video signal of MPEG-2 decoder output, and become composite video signal (CVBS) or look to show the score the conversion of signals from signal (Y-C signal), these signals just can be delivered to television set and play through low-pass filtering (generally should be 6.5MHz).The digital signal of audio frequency DAC cell processing PCM form is carried out the audio signal that digital-to-analogue (DA) is converted into simulation with signal, and behind the operational amplification circuit of going forward side by side, output is play.
In addition, the memory cell (not shown) comprises FALSH, E
2PROM etc., FALSH are used to store program, the E of digital TV terminal
2PROM is used to store contents such as user configuration information, program channel information.
Central processing unit generally uses RISC CPU, is the core of whole system, is responsible for the execution that whole system is instructed, the computing of numeral and logic, the storage of data and transmission, and the control of internal and external input and output.Wherein also comprise the control bus that is used to transmit control signal and data, as I
2C, GPIO bus etc.
Peripheral interface comprises WIFI interface, infrared interface, blue tooth interface, USB interface etc., is used for receiving terminal for digital television by these data-interface composition data transmission links, communicates with mobile communication terminal.
From the above, utilize data-interface to set up data transmission link between mobile communication terminal and the receiving terminal for digital television, solved the network passback problem of Digital Television; Be applicable to various digital TV networks, and can not have any impact existing digital television network and mobile communications network; Easy to implement, mobile communication terminal can also separate independent use with receiving terminal for digital television, uses flexibly.
Embodiment two
The embodiment of the invention provides a kind of method for interchanging data that is used for Digital Television, and the method comprising the steps of:
Set up the data transmission link between receiving terminal for digital television and the mobile communication terminal;
Utilize described data transmission link and mobile communications network to carry out exchanges data between receiving terminal for digital television and the digital TV network front end system.
In the present embodiment, set up described data transmission link by wireless or wired mode.
By the foregoing description, set up the seamless link of digital TV network and mobile communications network, solved digital TV network passback problem, and do not needed existing digital television network and mobile communications network are carried out any transformation, so cost is low.
In the present embodiment, digital TV network can be cable digital TV, terrestrial DTV, satellite digital TV etc.
In the present embodiment, can utilize the data-interface of mobile communication terminal and receiving terminal for digital television to set up wired or wireless data link, utilize above-mentioned data transmission link and mobile communications network to carry out exchanges data between receiving terminal for digital television and the digital TV network front end system.In the present embodiment, above-mentioned data-interface can for: one or more in USB interface, infrared interface, blue tooth interface and the WIFI interface as Fig. 4 A, 4B and shown in Figure 5, but are not limited thereto.
In the present embodiment, receiving terminal for digital television can be digital TV set-top box or digital television receiver.
In the present embodiment, as shown in Figure 6, utilize this data transmission link to set up the return network of receiving terminal for digital television.
When receiving terminal for digital television 601 carried out the data passback, the described data transmission link that utilizes carried out exchanges data, comprises step: when the receiving terminal for digital television user operates, produce the passback data at this receiving terminal for digital television 601; This receiving terminal for digital television 601 will return data by data transmission link and be sent to mobile communication terminal 602; Mobile communication terminal 602 will return data by mobile communications network and be sent to digital TV network front end system 604.
In the present embodiment, when above-mentioned receiving terminal for digital television user operates, produce the passback data, may further comprise the steps at this receiving terminal for digital television 601:
Receiving terminal for digital television 601 response user operational orders; Receiving terminal for digital television 601 is checked data-interface, and whether inquiry has mobile communication terminal 602 to be connected on the receiving terminal for digital television; If Query Result is for inquiring described mobile communication terminal 602, then receiving terminal for digital television 601 generates the passback data.
In the present embodiment, when Query Result when inquiring described mobile communication terminal 602, before receiving terminal for digital television 601 generates the passback data, also comprise step:
Carry out the authentication of described mobile communication terminal 602, and judge whether described authentication is passed through; If the result who judges then generates the passback data for by authentication.
In the present embodiment, above-mentioned mobile communication terminal 602 will return data by mobile communications network and be sent to digital TV network front end system 604, can adopt following steps:
In the present embodiment, above-mentioned passback data can be for various passback instructions, as operations such as video request program, data download, authentification of user, recreation, network browsings.Below in conjunction with accompanying drawing 4A, 4B, 5 and Fig. 7 A be that example describes to carry out video request program.
When the receiving terminal for digital television user operated, user's control circuit 405 of receiving terminal for digital television responded user's operational orders, and this instruction is sent to central processing unit 403 (seeing step 701);
The central processing unit 403 of receiving terminal for digital television is checked data-interface, and whether inquiry has mobile communication terminal to be connected on the receiving terminal for digital television (is seen step 702,703); Wherein, receiving terminal for digital television is at first checked data-interface 404, if the wired connection mode, directly whether data query interface 404 has mobile communication terminal to be connected on this data-interface 404; If the wireless connections mode sends query manipulation by wireless data interface 404, whether inquiry has mobile communication terminal to reply query statement in the scope of wireless connections;
If the result of inquiry is connected on the receiving terminal for digital television for mobile communication terminal is arranged, then carry out the authentication of mobile communication terminal, judge whether by authentication (seeing step 704,705); Wherein, when carrying out authentication, mobile communication terminal sends to identify label (ID) number on the receiving terminal for digital television by data transmission link; Receiving terminal for digital television reads the identify label number of mobile communication terminal and verifies, in the present embodiment, correctly whether the central processing unit 403 validating identity identifier numbers of receiving terminal for digital television (seeing step 705);
If the validating identity identifier number is correct, then by authentication, receiving terminal for digital television generates passback data (seeing step 706);
Receiving terminal for digital television will return data and be sent to mobile communication terminal (seeing step 707); Comprising: receiving terminal for digital television will return packing data and become to send form, and be sent to the data-interface 404 of this receiving terminal for digital television, as above-mentioned wired, wave point; Receiving terminal for digital television should return data by data transmission link and be sent on the mobile communication terminal.
At last, mobile communication terminal will return data by mobile communications network and be sent to the digital TV network front end system after receiving the passback data.Shown in Fig. 7 B, can adopt following steps in the present embodiment:
Mobile communication terminal obtains the passback data by its data-interface 507, carries out data verification and error correction (seeing step 713,714) at the central processing unit 502 of this mobile communication terminal; Wherein, after mobile communication terminal obtains data, the data that obtain are carried out error correction, revise the error code mistake that data take place in the transmission link transmission course again, and data are verified whether judgment data is legal by error correction coding.
502 pairs of passbacks of the central processing unit of mobile communication terminal data are handled, and promptly repack, and are created on the data format (seeing step 715) that transmits in the mobile communications network;
Mobile communication terminal will return data by modes such as transmission note, GPRS data by mobile communications network and send to mobile communications network front end system (seeing step 716);
The mobile communications network front end system obtains the passback data, and data are sent to digital TV front-end network front end system (seeing step 717,718).
The passback data that the analysis of digital TV network front end system obtains are carried out corresponding user management (seeing step 719) according to the passback data.Then, the digital TV network front end system is according to passback instruction, as the title of play-on-demand program, program sent to by digital television transmission on the receiving terminal for digital television of request program (seeing step 720); The user obtains programme information by receiving terminal for digital television, as the program (seeing step 721) of program request.
In the above-described embodiments, shown in Fig. 7 A, the judged result that judges whether to inquire mobile communication terminal in step 703 further judges then that for not inquiring mobile communication terminal whether inquiry times is greater than predetermined value (seeing step 711); If judged result be inquiry times greater than predetermined value, then send failure (seeing step 711,712), finish the passback process.If judged result is that inquiry times is not more than predetermined value, then get back to step 703, continue inquiry mobile communication terminal (seeing step 711,703).Above-mentioned predetermined value can be selected arbitrarily, should predetermined be changed to 10 times in the present embodiment.
In the above-described embodiments, shown in Fig. 7 A, judge that in step 705 judged result that whether authentication pass through for not by authentication, then sends failure (seeing step 705,712), finish the passback process.
In addition, in the present embodiment, shown in Fig. 7 A,, after step 707, also comprise step for further guaranteeing to send the data success rate:
Whether receiving terminal for digital television obtains the response signal (seeing step 708) from mobile communication terminal; If judged result is the signal that meets with a response, then show to send successfully (seeing step 708,709); Further judge whether process of transmitting finishes, when being end (seeing step 710), then finish process of transmitting as if judged result.
In the present embodiment, shown in Fig. 7 A, the signal judgment result that judges whether to meet with a response in step 708 is the signal that do not meet with a response, and then gets back to step 707.
In addition, operating process such as data download, authentification of user and video request program are basic identical, repeat no more herein.
In addition, in the present embodiment, as shown in Figure 6, utilize this data transmission link, operations such as digital TV network front end system 604 can be controlled receiving terminal for digital television 601, mandate.
When digital TV network front end system 604 is sent to data described receiving terminal for digital television 601, utilize data transmission link and mobile communications network to carry out exchanges data, shown in Fig. 6,8, comprise step:
Digital TV network front end system 604 is sent to mobile communication terminal 602 by mobile communications network with data; Comprising: at first digital TV network front end system 604 sends to mobile communications network front end system 603 with data, and mobile communications network front end system 603 sends to data on the mobile communication terminal 602 again.
After mobile communication terminal 602 receives these data, these data are sent to receiving terminal for digital television 601, as shown in Figure 8, can adopt following step to finish by data transmission link:
As shown in Figure 8, when mobile communication terminal receives data, change by 502 pairs of these data of central processing unit, in the present embodiment, at first remove the encapsulation of packet, obtain the valid data of transfer instruction, according to the difference of transmission link, data are packed, encapsulate, compressed then.(seeing step 801);
Mobile communication terminal is sent to receiving terminal for digital television by data transmission link with these data; Wherein, in the present embodiment, as shown in Figure 8, can adopt following step:
The central processing unit 502 of mobile communication terminal is checked data-interface (seeing step 802); Whether inquiry has receiving terminal for digital television to be connected on the mobile communication terminal (is seen step 803); If Query Result for receiving terminal for digital television is arranged, then carries out the authentication (seeing step 805) of receiving terminal for digital television; Wherein, when carrying out authentication, receiving terminal for digital television sends to mobile communication terminal by data transmission link with identify label (ID) number; Mobile communication terminal reads the identify label number of receiving terminal for digital television and verifies, in the present embodiment, whether the central processing unit 502 validating identity identifier numbers of mobile communication terminal are correct;
Whether judge described authentication by (seeing step 806), wherein, if the validating identity identifier number is correct, then authentication is passed through in the present embodiment;
If the result who judges is that then mobile communication terminal sends data to receiving terminal for digital television (seeing step 807) by authentication;
At last, after receiving terminal for digital television receives these data, operate accordingly; Wherein, can adopt following steps:
Receiving terminal for digital television obtains data by its data-interface 404, is sent to back-end circuit 402 these receiving terminal for digital television of control and operates accordingly after the central processing unit 403 of this receiving terminal for digital television is handled.For example receive the authorization message of digital television program by described data-interface 404, the central processing unit of receiving terminal for digital television is play the corresponding digital TV programme by collection information control figure television receive terminal.
In the above-described embodiments, as shown in Figure 8, the judged result that judges whether to inquire receiving terminal for digital television in step 803 further judges then that for not inquiring receiving terminal for digital television whether inquiry times is greater than predetermined value (seeing step 811); If judged result be inquiry times greater than predetermined value, then send failure (seeing step 811,812), finish the passback process.If judged result is that inquiry times is not more than predetermined value, then get back to step 803, continue enquiring digital television receive terminal (seeing step 811,803).Above-mentioned predetermined value can be selected arbitrarily, should predetermined be changed to 10 times in the present embodiment.
In the above-described embodiments, as shown in Figure 8, judge that in step 806 judged result that whether authentication pass through for not by authentication, then sends failure (seeing step 806,812), finish the passback process.
In addition, in the present embodiment, as shown in Figure 8,, after step 807, also comprise step for further guaranteeing to send the data success rate:
Whether mobile communication terminal obtains the response signal (seeing step 808) from receiving terminal for digital television; If judged result is the signal that meets with a response, then show to send successfully (seeing step 808,809); Further judge whether process of transmitting finishes, when being end (seeing step 810), then finish process of transmitting as if judged result.
In the present embodiment, as shown in Figure 8, the signal judgment result that judges whether to meet with a response in step 808 is the signal that do not meet with a response, and then gets back to step 807.
In the present embodiment, above-mentioned data can be control, authorized order etc., and wherein, control command is exactly the control operation instruction to digital television receiver, as control timing start-up, the software upgrading of control figure television receiver etc.In the time of need upgrading as the software of digital television terminal, the set-top box software that will need to upgrade by control command is transferred on the receiving terminal for digital television, control figure television receive terminal automatic software update.Be that example describes to carry out subscriber authorisation below.
When the user watched digital television program by receiving terminal for digital television, some ciphered programs need just can be watched through subscriber authorisation.When carrying out subscriber authorisation, comprise step:
The Subscriber Management System of digital TV network front end system 604 is sent to mobile communication terminal 602 with authorized order by mobile communications network front end system 603 by mobile communications network; This mobile communication terminal 602 sends to receiving terminal for digital television 601 by above-mentioned data transmission link with this authorized order; After the receiving terminal for digital television 601 authorized information, get final product broadcast program.
Embodiment three
In the present embodiment, when user's use has the mobile communication terminal of Digital Television receiving function, also can utilize mobile communications network and digital TV network front end system to carry out exchanges data.
The embodiment of the invention provides a kind of data exchange system of Digital Television, as shown in Figure 9, comprises digital TV network front end system 903, mobile communication terminal 901 and mobile communications network front end system 902; Wherein,
Described mobile communication terminal 901 as shown in figure 10, comprises Digital Television receiving element 1001 and communication unit 1002 at least; Wherein,
Digital Television receiving element 1001 is used for receiving and response user operational order, generates the passback data, and should return data and be sent to communication unit 1002; Receive the data that described communication unit 1002 transmits, described data are handled and operated accordingly, operation of being carried out and embodiment one and two are similar, repeat no more herein;
Described communication unit 1002 is used to receive the data that described Digital Television receiving element 1001 transmits, and handles the back and is sent to described mobile communications network front end system 902 by mobile communications network; Receive the data that mobile communications network front end system 902 transmits, be sent to described Digital Television receiving element 1001 after handling;
Described mobile communications network front end system 902 is used to receive the data that described mobile communication terminal transmits, and is sent to digital TV network front end system 903; Be used for the data that receiving digital television network front end system 903 transmits, and be sent to described mobile communication terminal 901.
In the present embodiment, as shown in figure 10, the communication unit 1002 of described mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Described antenna is used for receiving the data that described mobile communications network front end system 902 sends by mobile communications network, and these data are sent to described radio frequency unit; Described radio frequency unit is sent to described first central processing unit after the data that receive are handled; Described first central processing unit receives the data after handling, and the data after handling are sent to described Digital Television receiving element 1001;
Described first central processing unit also receives the passback data that described Digital Television receiving element 1001 transmits, be sent to radio frequency unit after described passback data are handled, and by the described passback data of described antenna transmission to described mobile communications network front end system 902.
In addition, above-mentioned communication unit 1002 also can comprise phonetic entry output unit, memory, key input unit and display unit etc., and its effect is similar with prior art, repeats no more herein.
The described Digital Television receiving element 1001 of described mobile communication terminal comprises at least: the user's control circuit and second central processing unit; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described second central processing unit; Described second central processing unit receives described user's operational order, generates the passback data, and should return data and be sent to described communication unit 1002;
Described second central processing unit also receives the data that described communication unit 1002 transmits, and described data are handled and operated accordingly, and data processing and operating process and embodiment two are similar, repeat no more herein.
In addition, described Digital Television receiving element 1001 also comprises front-end circuit, back-end circuit, and its formation and effect repeat no more with embodiment one herein.
In the present embodiment, by data television receiver unit 1001 and communication unit 1002 are integrated in the mobile communication terminal, can the central processing unit of data television receiver unit 1001 with communication unit 1002 be connected by modes such as data/address buss, thereby carry out exchanges data, compare with embodiment one, do not need other data-interface to connect, and simplified data exchange ways.
Embodiment four
Below be example with the data exchange system of the Digital Television of embodiment three, the method for interchanging data of the Digital Television of the embodiment of the invention is described.
The embodiment of the invention provides a kind of method for interchanging data of Digital Television, described method for interchanging data is based on the mobile communication terminal with Digital Television receiving function, and described mobile communication terminal comprises Digital Television receiving element and the communication unit that is connected with described Digital Television receiving element at least;
Described method for interchanging data comprises: described mobile communication terminal utilizes between mobile communications network and the digital TV network front end system and carries out exchanges data.
When described mobile communication terminal carried out the data passback, the described mobile communications network that utilizes carried out exchanges data, comprises step:
When described mobile communication terminal user is operated, the Digital Television receiving element of described mobile communication terminal response user operational order, and produce the passback data; The Digital Television receiving element of described mobile communication terminal is sent to described passback data the communication unit of described mobile communication terminal; The communication unit of described mobile communication terminal is sent to described digital TV network front end system by mobile communications network with described passback data.
In the present embodiment, the communication unit of described mobile communication terminal is sent to described digital TV network front end system by mobile communications network with described passback data, comprises step:
After the communication unit of described mobile communication terminal obtains described passback data, the mobile communications network front end system is handled and be sent to these passback data; Wherein, can adopt following steps: the communication unit of described mobile communication terminal carries out data verification and error correction to described passback data; Described passback data are repacked, be created on the data format that transmits in the mobile communications network; The communication unit of described mobile communication terminal will return data by mobile communications network and be sent to the mobile communications network front end system.
Then, described mobile communications network front end system is sent to described digital TV network front end system with described passback data.
Described digital TV network front end system obtains described passback data, and analyzes, and carries out corresponding user management or sends request program to described mobile communication terminal according to described passback data.
In the present embodiment, when described digital TV network front end system was sent to described mobile communication terminal with data, the described mobile communications network that utilizes carried out exchanges data, comprises step:
Described digital TV network front end system is sent to described data by mobile communications network the communication unit of described mobile communication terminal; The communication unit of described mobile communication terminal carries out described data to be sent to described Digital Television receiving element after the data transaction.Wherein, data conversion process and embodiment two are similar, repeat no more herein.
After described Digital Television receiving element receives described data, these data are handled and operated accordingly.Wherein, data processing and operating process and embodiment two are similar, repeat no more herein.
By the foregoing description as can be known, by the data transmission link between mobile communication terminal and the receiving terminal for digital television, solved the network passback problem of Digital Television, and can be used for various digital TV networks, and can not have any impact to existing digital television network and mobile communications network, thereby save cost.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (29)
1. method for interchanging data that is used for Digital Television is characterized in that the method comprising the steps of:
Set up the data transmission link between receiving terminal for digital television and the mobile communication terminal;
Utilize described data transmission link and mobile communications network to carry out exchanges data between described receiving terminal for digital television and the digital TV network front end system.
2. the method for interchanging data that is used for Digital Television according to claim 1 is characterized in that: set up described data transmission link by wireless or wired mode.
3. the method for interchanging data that is used for Digital Television according to claim 1 is characterized in that: when described receiving terminal for digital television carried out the data passback, described data transmission link and the mobile communications network of utilizing carried out exchanges data, comprises step:
When the receiving terminal for digital television user operates, produce the passback data at described receiving terminal for digital television;
Described receiving terminal for digital television is sent to described mobile communication terminal by described data transmission link with described passback data;
Described mobile communication terminal is sent to described digital TV network front end system by mobile communications network with described passback data.
4. the method for interchanging data that is used for Digital Television according to claim 3 is characterized in that: described receiving terminal for digital television produces the passback data, comprises step:
Described receiving terminal for digital television response user operational order;
Described receiving terminal for digital television is checked data-interface, and whether inquiry has mobile communication terminal to be connected on the described receiving terminal for digital television;
If Query Result is for inquiring described mobile communication terminal, then described receiving terminal for digital television generates the passback data.
5. the method for interchanging data that is used for Digital Television according to claim 4 is characterized in that: when Query Result when inquiring described mobile communication terminal, before described receiving terminal for digital television generates the passback data, also comprise step:
Carry out the authentication of described mobile communication terminal, and judge whether described authentication is passed through;
If the result who judges then generates described passback data for by authentication.
6. the method for interchanging data that is used for Digital Television according to claim 3 is characterized in that: after described receiving terminal for digital television is sent to described mobile communication terminal with described passback data, also comprise step:
Described receiving terminal for digital television judges whether to receive the response signal of described mobile communication terminal;
If judged result for receiving, then sends successfully.
7. the method for interchanging data that is used for Digital Television according to claim 3 is characterized in that: described mobile communication terminal is sent to described digital TV network front end system with described passback data, comprises step:
After described mobile communication terminal obtains described passback data, the mobile communications network front end system is handled and be sent to these passback data;
Described mobile communications network front end system is sent to described digital TV network front end system with described passback data.
8. the method for interchanging data that is used for Digital Television according to claim 3, it is characterized in that: also comprise step: described digital TV network front end system obtains described passback data, and analyze, carry out corresponding user management or send request program according to described passback data to described receiving terminal for digital television.
9. the method for interchanging data that is used for Digital Television according to claim 7 is characterized in that: described to the passback data handle and be sent to the mobile communications network front end system, comprise step:
Described mobile communication terminal carries out data verification and error correction to described passback data;
Described passback data are repacked, be created on the data format that transmits in the mobile communications network;
Described mobile communication terminal will return data by mobile communications network and be sent to the mobile communications network front end system.
10. the method for interchanging data that is used for Digital Television according to claim 1, it is characterized in that: when described digital TV network front end system is sent to described receiving terminal for digital television with data, described data transmission link and the mobile communications network of utilizing carries out exchanges data, comprises step:
Described digital TV network front end system is sent to described mobile communication terminal by mobile communications network with described data;
Described mobile communication terminal is sent to described receiving terminal for digital television by described data transmission link with described data.
11. the method for interchanging data that is used for Digital Television according to claim 10 is characterized in that: described mobile communication terminal is sent to described receiving terminal for digital television with described data, comprises step:
After described mobile communication terminal obtains described data, carry out data transaction;
Check data-interface;
Inquire about described receiving terminal for digital television, and judge whether to inquire described receiving terminal for digital television;
If judged result, then sends described data for inquiring described receiving terminal for digital television to described receiving terminal for digital television.
12. the method for interchanging data that is used for Digital Television according to claim 11 is characterized in that: described inquire described receiving terminal for digital television step after, also comprise step:
Carry out the authentication of described receiving terminal for digital television, and judge whether described authentication is passed through;
If the result who judges is by authentication, then described mobile communication terminal sends described data to described receiving terminal for digital television.
13. the method for interchanging data that is used for Digital Television according to claim 12 is characterized in that: also comprise step:
Described mobile communication terminal judges whether to receive the response signal of described receiving terminal for digital television;
If judged result for receiving, then sends successfully.
14. a data exchange system that is used for Digital Television comprises receiving terminal for digital television, digital TV network front end system; It is characterized in that also comprising: mobile communication terminal and mobile communications network front end system; Wherein,
Described mobile communication terminal, communicate with described receiving terminal for digital television, mobile communications network front end system, receive the data that described receiving terminal for digital television transmits, handle the back and be sent to described mobile communications network front end system by mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to described receiving terminal for digital television after handling;
Described mobile communications network front end system is used to receive the data that described mobile communication terminal transmits, and is sent to the digital TV network front end system; Be used for the data that receiving digital television network front end system transmits, and be sent to described mobile communication terminal.
15. the data exchange system that is used for Digital Television according to claim 14 is characterized in that: described mobile communication terminal comprises at least: antenna, radio frequency unit, first central processing unit and first data-interface; Wherein,
Described antenna is used for receiving the data that described mobile communications network front end system sends by mobile communications network, and these data are sent to described radio frequency unit;
Described radio frequency unit is sent to described first central processing unit after the data that receive are handled;
Described first central processing unit receives the data after handling, judged whether that described receiving terminal for digital television is connected on this mobile communication terminal, if when judged result is connected on this mobile communication terminal for described receiving terminal for digital television is arranged, these data are sent to described first data-interface;
Described first data-interface receives the data after the processing that described first central processing unit transmits, and the data after will handling are sent to receiving terminal for digital television;
Described first data-interface also receives the passback data that described receiving terminal for digital television transmits, and is sent to described first central processing unit; Described first central processing unit is sent to radio frequency unit after described passback data are handled, and by the described passback data of described antenna transmission to described mobile communications network front end system.
16. the data exchange system that is used for Digital Television according to claim 14 is characterized in that: described receiving terminal for digital television comprises at least: user's control circuit, second central processing unit and second data-interface; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described second central processing unit;
Described second central processing unit receives described user's operational order, judged whether that described mobile communication terminal is connected on this receiving terminal for digital television, when if judged result is connected on this receiving terminal for digital television for described mobile communication terminal is arranged, generate the passback data, and should return data and be sent to described second data-interface;
Described second data-interface receives described passback data, and should return data and be sent to mobile communication terminal;
Described second data-interface also receives the data that described mobile communication terminal transmits, and is sent to described second central processing unit; Described second central processing unit is handled and is operated accordingly described data.
17. according to claim 15 or the 16 described data exchange systems that are used for Digital Television, it is characterized in that: described first data-interface and described second data-interface are one or more in infrared interface, blue tooth interface, USB interface and the WIFI interface.
18. a receiving terminal for digital television comprises front-end circuit, back-end circuit; It is characterized in that also comprising at least: user's control circuit, central processing unit and data-interface; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described central processing unit; Described central processing unit receives described user's operational order, judged whether that described mobile communication terminal is connected on this receiving terminal for digital television, when if judged result is connected on this receiving terminal for digital television for described mobile communication terminal is arranged, generate the passback data, and should return data and be sent to described data-interface; Described data-interface receives described passback data, and should return data and be sent to mobile communication terminal;
Described data-interface also receives the data that described mobile communication terminal transmits, and these data are sent to described central processing unit; Described central processing unit is handled and is operated accordingly described data.
19. receiving terminal for digital television according to claim 18 is characterized in that: described data-interface is one or more in infrared interface, blue tooth interface, USB interface and the WIFI interface.
20. the method for interchanging data of a Digital Television, it is characterized in that: described method for interchanging data is based on the mobile communication terminal with Digital Television receiving function, and described mobile communication terminal comprises Digital Television receiving element and the communication unit that is connected with described Digital Television receiving element at least;
Described method for interchanging data comprises: described mobile communication terminal utilizes between mobile communications network and the digital TV network front end system and carries out exchanges data.
21. the method for interchanging data of Digital Television according to claim 20 is characterized in that: when described mobile communication terminal carried out the data passback, the described mobile communications network that utilizes carried out exchanges data, comprises step:
When described mobile communication terminal user is operated, the Digital Television receiving element of described mobile communication terminal response user operational order, and produce the passback data;
The Digital Television receiving element of described mobile communication terminal is sent to described passback data the communication unit of described mobile communication terminal;
The communication unit of described mobile communication terminal is sent to described digital TV network front end system by mobile communications network with described passback data.
22. the method for interchanging data of Digital Television according to claim 21 is characterized in that: the communication unit of described mobile communication terminal is sent to described digital TV network front end system by mobile communications network with described passback data, comprises step:
After the communication unit of described mobile communication terminal obtains described passback data, the mobile communications network front end system is handled and be sent to these passback data;
Described mobile communications network front end system is sent to described digital TV network front end system with described passback data.
23. the method for interchanging data of Digital Television according to claim 21, it is characterized in that: also comprise step: described digital TV network front end system obtains described passback data, and analyze, carry out corresponding user management or send request program according to described passback data to described mobile communication terminal.
24. the method for interchanging data of Digital Television according to claim 22 is characterized in that: described to the passback data handle and be sent to the mobile communications network front end system, comprise step:
The communication unit of described mobile communication terminal carries out data verification and error correction to described passback data;
Described passback data are repacked, be created on the data format that transmits in the mobile communications network;
The communication unit of described mobile communication terminal will return data by mobile communications network and be sent to the mobile communications network front end system.
25. the method for interchanging data of Digital Television according to claim 20 is characterized in that: when described digital TV network front end system was sent to described mobile communication terminal with data, the described mobile communications network that utilizes carried out exchanges data, comprises step:
Described digital TV network front end system is sent to described data by mobile communications network the communication unit of described mobile communication terminal;
The communication unit of described mobile communication terminal carries out described data to be sent to described Digital Television receiving element after the data transaction.
26. the data exchange system of a Digital Television comprises the digital TV network front end system, it is characterized in that: also comprise mobile communication terminal and mobile communications network front end system; Wherein,
Described mobile communication terminal comprises Digital Television receiving element and communication unit at least; Wherein,
Described Digital Television receiving element is used for receiving and response user operational order, generates the passback data, and should return data and be sent to described communication unit; Receive the data that described communication unit transmits, described data are handled and operated accordingly;
Described communication unit is used to receive the data that described Digital Television receiving element transmits, and handles the back and is sent to described mobile communications network front end system by mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to described Digital Television receiving element after handling;
Described mobile communications network front end system is used to receive the data that described mobile communication terminal transmits, and is sent to the digital TV network front end system; Be used for the data that receiving digital television network front end system transmits, and be sent to described mobile communication terminal.
27. the data exchange system of Digital Television according to claim 26 is characterized in that: the communication unit of described mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Described antenna is used for receiving the data that described mobile communications network front end system sends by mobile communications network, and these data are sent to described radio frequency unit;
Described radio frequency unit is sent to described first central processing unit after the data that receive are handled;
Described first central processing unit receives the data after handling, and the data after handling are sent to described Digital Television receiving element;
Described first central processing unit also receives the passback data that described Digital Television receiving element transmits, and is sent to radio frequency unit after described passback data are handled, and by the described passback data of described antenna transmission described mobile communications network front end system extremely.
28. the data exchange system of Digital Television according to claim 26 is characterized in that: the described Digital Television receiving element of described mobile communication terminal comprises at least: the user's control circuit and second central processing unit; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described second central processing unit;
Described second central processing unit receives described user's operational order, generates the passback data, and should return data and be sent to described communication unit;
Described second central processing unit also receives the data that described communication unit transmits, and described data are handled and operated accordingly.
29. the mobile communication terminal with Digital Television receiving function is characterized in that: comprise Digital Television receiving element and the communication unit that is connected with this Digital Television receiving element, wherein,
Described Digital Television receiving element comprises front-end circuit, back-end circuit, also comprises: the user's control circuit and second central processing unit; Wherein,
Described user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to described second central processing unit; Described second central processing unit receives described user's operational order, generates the passback data, and will return first central processing unit that data are sent to described communication unit;
Described second central processing unit also receives the data that described communication unit transmits, and described data are handled and operated accordingly;
The communication unit of described mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Described antenna is used for receiving the data that described mobile communications network front end system sends by mobile communications network, and these data are sent to described radio frequency unit;
Described radio frequency unit is sent to described first central processing unit after the data that receive are handled;
Described first central processing unit receives the data after handling, and the data after handling is sent to second central processing unit of described Digital Television receiving element;
Described first central processing unit also receives the passback data that described Digital Television receiving element transmits, and is sent to radio frequency unit after described passback data are handled, and by the described passback data of described antenna transmission described mobile communications network front end system extremely.
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| CN2007101022953A CN101304494B (en) | 2007-05-10 | 2007-05-10 | Method and system for data communication of digital television |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924929A (en) * | 2010-09-30 | 2010-12-22 | 冠捷显示科技（厦门）有限公司 | Intelligent television monitoring method based on short messages and multimedia messages |
| CN102404631A (en) * | 2011-12-29 | 2012-04-04 | 上海泓安信息科技有限公司 | System for encryption authorization and management of ground programs of set top box |
| CN102480646A (en) * | 2010-11-26 | 2012-05-30 | 深圳市同洲软件有限公司 | Digital television system and method adopting wireless terminal to realize data interaction |
| CN102480645A (en) * | 2010-11-30 | 2012-05-30 | 深圳市同洲软件有限公司 | Cabled digital television system and method adopting wireless terminal to realize data interaction |
| CN102480644A (en) * | 2010-11-30 | 2012-05-30 | 深圳市同洲软件有限公司 | Cabled digital television system and method adopting wireless terminal to realize data interaction |
| CN102480635A (en) * | 2010-11-30 | 2012-05-30 | 深圳市同洲软件有限公司 | Cabled digital television system and method adopting wireless terminal to perform data interaction |
| CN102724590A (en) * | 2011-03-29 | 2012-10-10 | 深圳市同洲软件有限公司 | Method for audio processing, digital television terminal and system |
| CN103067776A (en) * | 2012-12-26 | 2013-04-24 | Tcl集团股份有限公司 | Program-pushing method and system, intelligent display device, cloud server |
| CN104363497A (en) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | Highly-jamproof interactive high-definition set-top box based on broadcasting gateway system |
| CN106850238A (en) * | 2015-12-03 | 2017-06-13 | 大唐移动通信设备有限公司 | A kind of broadcasting method and device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1175069A4 (en) * | 2000-02-28 | 2003-05-21 | Mitsubishi Electric Corp | Mobile communication network adapter |
| GB0305977D0 (en) * | 2003-03-15 | 2003-04-23 | Koninkl Philips Electronics Nv | Control of a conditional access mechanism |
| CN1564597A (en) * | 2004-04-10 | 2005-01-12 | 华中科技大学 | End-to-end video service method and device thereof |
| CN1764274A (en) * | 2004-10-23 | 2006-04-26 | 四川长虹电器股份有限公司 | Digital videocast system capable of mobile reception |
| CN2750604Y (en) * | 2004-12-20 | 2006-01-04 | 深圳清华大学研究院 | Ground based digital television receiving terminal with mobile feedback function |
-
2007
- 2007-05-10 CN CN2007101022953A patent/CN101304494B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924929A (en) * | 2010-09-30 | 2010-12-22 | 冠捷显示科技（厦门）有限公司 | Intelligent television monitoring method based on short messages and multimedia messages |
| CN102480646A (en) * | 2010-11-26 | 2012-05-30 | 深圳市同洲软件有限公司 | Digital television system and method adopting wireless terminal to realize data interaction |
| TWI488488B (en) * | 2010-11-30 | 2015-06-11 | Shenzhen Coship Software Electronics Co Ltd | Cable digital tv system and method of performing data interaction through wireless terminal |
| CN102480645A (en) * | 2010-11-30 | 2012-05-30 | 深圳市同洲软件有限公司 | Cabled digital television system and method adopting wireless terminal to realize data interaction |
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| CN102480635A (en) * | 2010-11-30 | 2012-05-30 | 深圳市同洲软件有限公司 | Cabled digital television system and method adopting wireless terminal to perform data interaction |
| CN102480635B (en) * | 2010-11-30 | 2015-09-23 | 深圳市同洲软件有限公司 | Digital Cable Television System and the method for data interaction is carried out by wireless terminal |
| CN102480645B (en) * | 2010-11-30 | 2015-09-23 | 深圳市同洲软件有限公司 | Digital Cable Television System and the method for data interaction is carried out by wireless terminal |
| CN102724590A (en) * | 2011-03-29 | 2012-10-10 | 深圳市同洲软件有限公司 | Method for audio processing, digital television terminal and system |
| CN102404631A (en) * | 2011-12-29 | 2012-04-04 | 上海泓安信息科技有限公司 | System for encryption authorization and management of ground programs of set top box |
| CN103067776A (en) * | 2012-12-26 | 2013-04-24 | Tcl集团股份有限公司 | Program-pushing method and system, intelligent display device, cloud server |
| CN103067776B (en) * | 2012-12-26 | 2018-03-06 | Tcl集团股份有限公司 | Program push method, system and intelligent display device, cloud server |
| CN104363497A (en) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | Highly-jamproof interactive high-definition set-top box based on broadcasting gateway system |
| CN106850238A (en) * | 2015-12-03 | 2017-06-13 | 大唐移动通信设备有限公司 | A kind of broadcasting method and device |
| CN106850238B (en) * | 2015-12-03 | 2019-11-19 | 大唐移动通信设备有限公司 | A kind of broadcasting method and device |
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| CN101304494B (en) | 2012-01-25 |
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