CN101304494B - Method and system for data communication of digital television - Google Patents
Method and system for data communication of digital television Download PDFInfo
- Publication number
- CN101304494B CN101304494B CN2007101022953A CN200710102295A CN101304494B CN 101304494 B CN101304494 B CN 101304494B CN 2007101022953 A CN2007101022953 A CN 2007101022953A CN 200710102295 A CN200710102295 A CN 200710102295A CN 101304494 B CN101304494 B CN 101304494B
- Authority
- CN
- China
- Prior art keywords
- data
- sent
- mobile communication
- communication terminal
- digital television
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
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 DTV.
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, DTV 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 DTV 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 DTV 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 to develop into from original single programs and can be supported the professional operation platform of several data.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; Like 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 through above-mentioned passback.Existing passback technology mainly contains following several kinds of modes: the phone passback mode through public mutual telephone network (PSTN:Public Switched Telephone Network), the mode through the Ethernet passback, the passback mode through cable modem and through international DAB video association/the take back passback mode of DVB (DAVIC/DVB-RC) passage that passes passage.
Below be that DTV STB is an example with the receiving terminal for digital television, above-mentioned passback mode is described.
As shown in Figure 1, return the formation sketch map of the DTV STB of mode for adopting telephone wire.As shown in Figure 1; At the inner internal modem (modem) of DTV STB; When the user was carrying out operation such as play-on-demand program on the STB terminal after, the packing data that STB at first will return through this modulator-demodulator was carried out data-modulated then; Send to the PSTN network, send to front end system through the PSTN network.
The advantage of above-mentioned telephone wire passback mode is: be prone to 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 STB is wanted internal modem, therefore also increased cost.
As shown in Figure 2, return the formation sketch map of the DTV STB of mode for adopting Ethernet.As shown in Figure 2, at the inner integrated 10/100M ethernet module of DTV STB, be connected with ethernet network through the RJ45 interface, constitute the DTV return network.For example aspect concrete enforcement; Can directly RJ45 interface and ADSL Modem on the STB be linked together through netting twine; STB passback data are sent to data on the ADSL Modem through built-in ethernet nic; Through on the ADSL Modem with returning data to system front end, constitute the bilateral network of DTV STB.
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 receive the restriction that ethernet network covers, and need to add Ethernet card in the STB, thereby increase complete machine cost and software and hardware is realized difficulty.
As shown in Figure 3, return the formation sketch map of the DTV STB of mode for adopting cable modem.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 kinds of standards; Comprise the IEEE802.14 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, in STB, adds USB interface, 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, expense is high.
Summary of the invention
The embodiment of the invention provides a kind of method for interchanging data and system that is used for DTV.Through this method mobile communications network and digital TV network are linked together, solve the network passback problem of DTV well, and can not have any impact, thereby practice thrift 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 DTV, 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 said data transmission link and mobile communications network to carry out the exchanges data between said 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 DTV, comprises receiving terminal for digital television, digital TV network front end system; Also comprise: mobile communication terminal and mobile communications network front end system;
Said mobile communication terminal; Communicate with said receiving terminal for digital television, mobile communications network front end system; Receive the data that said receiving terminal for digital television transmits, handle the back and be sent to said mobile communications network front end system through mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to said receiving terminal for digital television after handling;
Said mobile communications network front end system is used to receive the data that said 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 said 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,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said central processing unit; Said central processing unit receives said user's operational order; Judged whether that said 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 said mobile communication terminal is arranged; Generate the passback data, and should return data and be sent to said data-interface; Said data-interface receives said passback data, and should return data and be sent to mobile communication terminal;
Said data-interface also receives the data that said mobile communication terminal transmits, and is sent to said central processing unit; Said central processing unit is handled and is operated accordingly said data.
The embodiment of the invention provides a kind of method for interchanging data of DTV; Said method for interchanging data is based on the mobile communication terminal with DTV receiving function, and said mobile communication terminal comprises DTV receiving element and the communication unit that is connected with said DTV receiving element at least;
Said method for interchanging data comprises: said 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 DTV, comprises the digital TV network front end system, also comprises mobile communication terminal and mobile communications network front end system; Wherein,
Said mobile communication terminal comprises DTV receiving element and communication unit at least; Wherein,
Said DTV receiving element is used for receiving and response user operational order, generates the passback data, and should return data and be sent to said communication unit; Receive the data that said communication transmits, said data are handled and operated accordingly;
Said communication unit is used to receive the data that said DTV receiving element transmits, and handles the back and is sent to said mobile communications network front end system through mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to said DTV receiving element after handling;
Said mobile communications network front end system is used to receive the data that said 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 said mobile communication terminal.
The embodiment of the invention provides a kind of mobile communication terminal with DTV receiving function, comprises DTV receiving element and the communication unit that is connected with this DTV receiving element, wherein,
Said DTV receiving element comprises front-end circuit, back-end circuit, also comprises: the user's control circuit and second central processing unit; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said second central processing unit; Said second central processing unit receives said user's operational order, generates the passback data, and will return first central processing unit that data are sent to said communication unit;
Said second central processing unit also receives the data that said communication unit transmits, and said data are handled and operated accordingly;
The communication unit of said mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Said antenna is used for receiving the data that said mobile communications network front end system sends through mobile communications network, and these data are sent to said radio frequency unit;
Said radio frequency unit is sent to said first central processing unit after the data that receive are handled; Said first central processing unit receives the data after handling, and the data after handling is sent to second central processing unit of said DTV receiving element;
Said first central processing unit also receives the passback data that said DTV receiving element transmits, and is sent to radio frequency unit after said passback data are handled, and through the said passback data of said antenna transmission to said mobile communications network front end system.
The beneficial effect of the embodiment of the invention is, through 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 DTV;
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 qualification of the present invention.In the accompanying drawings:
Fig. 1 is the formation sketch map of the DTV STB end of available technology adopting telephone wire passback mode;
Fig. 2 is the formation sketch map of the DTV STB of available technology adopting Ethernet passback mode;
Fig. 3 is the formation sketch map of the DTV STB of available technology adopting cable modem passback mode;
Fig. 4 A is the formation sketch map of receiving terminal for digital television of the present invention;
Fig. 4 B is the formation sketch map of the receiving terminal for digital television of the embodiment of the invention;
Fig. 5 is the formation sketch map 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 sketch map for the mobile communication terminal with DTV 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 explained 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 to qualification of the present invention.
The embodiment of the invention provides a kind of method for interchanging data and system that is used for DTV.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 DTV, and is 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 communication terminal 602; Communicate with receiving terminal for digital television 601, mobile communications network front end system 603; The data that receiving digital television receiving terminal 601 transmits are handled the back and are sent to mobile communications network front end system 603 through mobile communications network; Receive the data that mobile communications network front end system 603 transmits through mobile communications network, be sent to receiving terminal for digital television 601 after handling.
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 through 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 said 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 said mobile communications network front end system 603 through 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 the completion 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 at 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 here.
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 through 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 said 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 should 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 through data-interface 404, the central processing unit 403 of this receiving terminal for digital television is play the corresponding digital TV programme through 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 the completion 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.Through above-mentioned data-interface, mobile communication terminal and digital TV terminal communicate.
In the foregoing description, receiving terminal for digital television can be DTV STB 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 sketch map.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 following here.Wherein,
In the front-end circuit 401, tuner is used to lock DTV 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 MPTS (TS).
In the back-end circuit 402; Demodulation multiplexer is that compound MPTS (TS) is disassembled; Digital program stream or the data flow or the information on services (SI) of the decoding that taking-up needs; Demultiplexing need take a lot of internal memories, generally is to use External memory equipment, like dynamic random access memory (DRAM:Dynamic Random Access Memory) or outside SDRAM.The data that demodulation multiplexer is seen off 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 the MPEG-2MP/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 take a lot of internal memories, and general system uses External memory equipment, like DRAM or outside SDRAM.
Video encoder is to convert decoded digital signal into 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 LPF (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, like 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 through these data-interface composition data transmission links, communicates with mobile communication terminal.
From the above, utilize data-interface to set up the data transmission link between mobile communication terminal and the receiving terminal for digital television, solved the network passback problem of DTV; 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 DTV, 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 said data transmission link and mobile communications network to carry out the exchanges data between receiving terminal for digital television and the digital TV network front end system.
In the present embodiment, set up said data transmission link through wireless or wired mode.
Through the foregoing description, set up the seamless link of digital TV network and mobile communications network, solved digital TV network passback problem, and need not carry out any transformation, so cost is low existing digital television network and mobile communications network.
In the present embodiment, digital TV network can be cable digital TV, terrestrial DTV, satellite digital TV etc.
In the present embodiment; The data-interface of mobile communication terminal capable of using and receiving terminal for digital television is set up wired or wireless data link, utilizes above-mentioned data transmission link and mobile communications network to carry out the 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 like 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 DTV STB 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 returning data, the said 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 through data transmission link and be sent to mobile communication terminal 602; Mobile communication terminal 602 will return data through 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 inspection data-interfaces, whether inquiry has mobile communication terminal 602 to be connected on the receiving terminal for digital television; If Query Result is for inquiring said mobile communication terminal 602, then receiving terminal for digital television 601 generates the passback data.
In the present embodiment, when Query Result when inquiring said mobile communication terminal 602, before receiving terminal for digital television 601 generates the passback data, also comprise step:
Carry out the authentication of said mobile communication terminal 602, and judge whether said authentication is passed through; If the result who judges then generates the passback data for through authentication.
In the present embodiment, above-mentioned mobile communication terminal 602 will return data through mobile communications network and be sent to digital TV network front end system 604, can adopt following steps:
Mobile communication terminal 602 will return data through modes such as transmission note, GPRS data through mobile communications network and send to mobile communications network front end system 603; Mobile communications network front end system 603 obtains the passback data, and data are sent to digital TV front-end network front end system 604.After digital TV network front end system 604 obtains the passback data, the passback data that obtain are analyzed, carry out corresponding user management according to the passback data.Then; Digital TV network front end system 604 like the title of play-on-demand program, sends to program on the receiving terminal for digital television 601 of request program according to the passback instruction through digital television transmission; Like this, the user obtains programme information through receiving terminal for digital television 601.
In the present embodiment, above-mentioned passback data can be for various passback instructions, like 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 inspection data-interfaces of receiving terminal for digital television, 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 is sent query manipulation through 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 through 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 through 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 through 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, like above-mentioned wired, wave point; Receiving terminal for digital television should return data through data transmission link and be sent on the mobile communication terminal.
At last, mobile communication terminal will return data through 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 through 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 through 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 through modes such as transmission note, GPRS data through 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, like the title of play-on-demand program, program sent to through digital television transmission on the receiving terminal for digital television of request program (seeing step 720); The user obtains programme information through receiving terminal for digital television, like the program (seeing step 721) of program request.
In the above-described embodiments, shown in Fig. 7 A, the judged result that in step 703, judges whether to inquire mobile communication terminal 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 through 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 shows and 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 in step 708, judges whether to meet with a response 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 here.
In addition, as shown in Figure 6 in the present embodiment, 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 said receiving terminal for digital television 601, utilize data transmission link and mobile communications network to carry out exchanges data, like Fig. 6, shown in 8, comprise step:
Digital TV network front end system 604 is sent to mobile communication terminal 602 through 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 through data transmission link, as shown in Figure 8, can adopt following step to accomplish:
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 through data transmission link with these data; Wherein, as shown in Figure 8 in the present embodiment, can adopt following step:
The central processing unit 502 inspection data-interfaces (seeing step 802) of mobile communication terminal; 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 through 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 said authentication through (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) through 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 through its data-interface 404, after the central processing unit 403 of this receiving terminal for digital television is handled, is sent to back-end circuit 402 these receiving terminal for digital television of control and operates accordingly.For example receive the authorization message of digital television program through said data-interface 404, the central processing unit of receiving terminal for digital television is play the corresponding digital TV programme through collection information control figure television receive terminal.
In the above-described embodiments, as shown in Figure 8, the judged result that in step 803, judges whether to inquire receiving terminal for digital television 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 through authentication, then sends failure (seeing step 806,812), finish the passback process.
In addition, as shown in Figure 8 in the present embodiment, for further guaranteeing to send the data success rate, after step 807, also comprise step:
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 shows and 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 in step 808, judges whether to meet with a response 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, like control timing start-up, the software upgrading of control figure television receiver etc.In the time of need upgrading like the software of digital television terminal, the set-top box software that will upgrade through 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 through receiving terminal for digital television, some ciphered programs need pass through subscriber authorisation and just can watch.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 through mobile communications network front end system 603 through mobile communications network; This mobile communication terminal 602 sends to receiving terminal for digital television 601 through above-mentioned data transmission link with this authorized order; After receiving terminal for digital television 601 obtains authorization message, get final product broadcast program.
Embodiment three
In the present embodiment, when user's use had the mobile communication terminal of DTV receiving function, mobile communications network also capable of using and digital TV network front end system carried out exchanges data.
The embodiment of the invention provides a kind of data exchange system of DTV, and is 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,
Said mobile communication terminal 901, shown in figure 10, comprise DTV receiving element 1001 and communication unit 1002 at least; Wherein,
Said mobile communications network front end system 902 is used to receive the data that said 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 said mobile communication terminal 901.
In the present embodiment, shown in figure 10, the communication unit 1002 of said mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Said antenna is used for receiving the data that said mobile communications network front end system 902 sends through mobile communications network, and these data are sent to said radio frequency unit; Said radio frequency unit is sent to said first central processing unit after the data that receive are handled; Said first central processing unit receives the data after handling, and the data after handling are sent to said DTV receiving element 1001;
Said first central processing unit also receives the passback data that said DTV receiving element 1001 transmits; Be sent to radio frequency unit after said passback data are handled, and through the said passback data of said antenna transmission to said 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 here.
The said DTV receiving element 1001 of said mobile communication terminal comprises at least: the user's control circuit and second central processing unit; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said second central processing unit; Said second central processing unit receives said user's operational order, generates the passback data, and should return data and be sent to said communication unit 1002;
Said second central processing unit also receives the data that said communication unit 1002 transmits, and said data are handled and operated accordingly, and data processing and operating process and embodiment two are similar, repeat no more here.
In addition, said DTV receiving element 1001 also comprises front-end circuit, back-end circuit, and its formation and effect are repeated no more with embodiment one here.
In the present embodiment; Through 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 through 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 DTV of embodiment three, the method for interchanging data of the DTV of the embodiment of the invention is described.
The embodiment of the invention provides a kind of method for interchanging data of DTV; Said method for interchanging data is based on the mobile communication terminal with DTV receiving function, and said mobile communication terminal comprises DTV receiving element and the communication unit that is connected with said DTV receiving element at least;
Said method for interchanging data comprises: said mobile communication terminal utilizes between mobile communications network and the digital TV network front end system and carries out exchanges data.
When said mobile communication terminal carried out returning data, the said mobile communications network that utilizes carried out exchanges data, comprises step:
When said mobile communication terminal user is operated, the DTV receiving element of said mobile communication terminal response user operational order, and produce the passback data; The DTV receiving element of said mobile communication terminal is sent to said passback data the communication unit of said mobile communication terminal; The communication unit of said mobile communication terminal is sent to said digital TV network front end system through mobile communications network with said passback data.
In the present embodiment, the communication unit of said mobile communication terminal is sent to said digital TV network front end system through mobile communications network with said passback data, comprises step:
After the communication unit of said mobile communication terminal obtains said 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 said mobile communication terminal carries out data verification and error correction to said passback data; Said passback data are repacked, be created on the data format that transmits in the mobile communications network; The communication unit of said mobile communication terminal will return data through mobile communications network and be sent to the mobile communications network front end system.
Then, said mobile communications network front end system is sent to said digital TV network front end system with said passback data.
Said digital TV network front end system obtains said passback data, and analyzes, and carries out corresponding user management or sends request program to said mobile communication terminal according to said passback data.
In the present embodiment, when said digital TV network front end system was sent to said mobile communication terminal with data, the said mobile communications network that utilizes carried out exchanges data, comprises step:
Said digital TV network front end system is sent to said data through mobile communications network the communication unit of said mobile communication terminal; The communication unit of said mobile communication terminal carries out said data to be sent to said DTV receiving element after the data transaction.Wherein, data conversion process and embodiment two are similar, repeat no more here.
After said DTV receiving element receives said data, these data are handled and operated accordingly.Wherein, data processing and operating process and embodiment two are similar, repeat no more here.
Can know through the foregoing description; Through the data transmission link between mobile communication terminal and the receiving terminal for digital television; Solved the network passback problem of DTV; And can be used for various digital TV networks, and can not have any impact, thereby practice thrift cost existing digital television network and mobile communications network.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (23)
1. method for interchanging data that is used for DTV is characterized in that the method comprising the steps of:
Set up the wireless data link between receiving terminal for digital television and the mobile communication terminal;
When the receiving terminal for digital television user operates, said receiving terminal for digital television response user operational order;
Said receiving terminal for digital television inspection data-interface, whether inquiry has mobile communication terminal to be connected on the said receiving terminal for digital television; If Query Result is for inquiring said mobile communication terminal, then said receiving terminal for digital television generates the passback data; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
Said receiving terminal for digital television is sent to said mobile communication terminal through said data transmission link with said passback data;
Said mobile communication terminal is sent to said digital TV network front end system through mobile communications network with said passback data;
Said digital TV network front end system obtains said passback data, and analyzes, and carries out corresponding user management or sends request program to said receiving terminal for digital television according to said passback data.
2. the method for interchanging data that is used for DTV according to claim 1 is characterized in that: when Query Result when inquiring said mobile communication terminal, before said receiving terminal for digital television generates the passback data, also comprise step:
Carry out the authentication of said mobile communication terminal, and judge whether said authentication is passed through;
If the result who judges then generates said passback data for through authentication.
3. the method for interchanging data that is used for DTV according to claim 1 is characterized in that: after said receiving terminal for digital television is sent to said mobile communication terminal with said passback data, also comprise step:
Said receiving terminal for digital television judges whether to receive the response signal of said mobile communication terminal;
If judged result for receiving, is then sent successfully.
4. the method for interchanging data that is used for DTV according to claim 1 is characterized in that: said mobile communication terminal is sent to said digital TV network front end system with said passback data, comprises step:
After said mobile communication terminal obtains said passback data, the mobile communications network front end system is handled and be sent to these passback data;
Said mobile communications network front end system is sent to said digital TV network front end system with said passback data.
5. the method for interchanging data that is used for DTV according to claim 4 is characterized in that: said to the passback data handle and be sent to the mobile communications network front end system, comprise step:
Said mobile communication terminal carries out data verification and error correction to said passback data;
Said passback data are repacked, be created on the data format that transmits in the mobile communications network;
Said mobile communication terminal will return data through mobile communications network and be sent to the mobile communications network front end system.
6. the method for interchanging data that is used for DTV according to claim 1 is characterized in that: when said digital TV network front end system was sent to said receiving terminal for digital television with data, said method also comprised step:
Said digital TV network front end system is sent to said mobile communication terminal through mobile communications network with said data;
Said mobile communication terminal is sent to said receiving terminal for digital television through said data transmission link with said data.
7. the method for interchanging data that is used for DTV according to claim 6 is characterized in that: said mobile communication terminal is sent to said receiving terminal for digital television with said data, comprises step:
After said mobile communication terminal obtains said data, carry out data transaction;
The inspection data-interface;
Inquire about said receiving terminal for digital television, and judge whether to inquire said receiving terminal for digital television;
If judged result, is then sent said data to said receiving terminal for digital television for inquiring said receiving terminal for digital television.
8. the method for interchanging data that is used for DTV according to claim 7 is characterized in that: said inquire said receiving terminal for digital television step after, also comprise step:
Carry out the authentication of said receiving terminal for digital television, and judge whether said authentication is passed through;
If the result who judges is through authentication, then said mobile communication terminal sends said data to said receiving terminal for digital television.
9. the method for interchanging data that is used for DTV according to claim 8 is characterized in that: also comprise step:
Said mobile communication terminal judges whether to receive the response signal of said receiving terminal for digital television;
If judged result for receiving, is then sent successfully.
10. a data exchange system that is used for DTV 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,
Wireless data link between said mobile communication terminal foundation and the said receiving terminal for digital television; Communicate with said receiving terminal for digital television, mobile communications network front end system; Receive the passback data that said receiving terminal for digital television transmits, handle the back and be sent to said mobile communications network front end system through mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to said receiving terminal for digital television after handling; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
Said mobile communications network front end system is used to receive the data that said 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 said mobile communication terminal.
11. the data exchange system that is used for DTV according to claim 10 is characterized in that: said mobile communication terminal comprises at least: antenna, radio frequency unit, first central processing unit and first data-interface; Wherein,
Said antenna is used for receiving the data that said mobile communications network front end system sends through mobile communications network, and these data are sent to said radio frequency unit;
Said radio frequency unit is sent to said first central processing unit after the data that receive are handled;
Said first central processing unit receives the data after handling; Judged whether that said receiving terminal for digital television is connected on this mobile communication terminal; If when judged result is connected on this mobile communication terminal for said receiving terminal for digital television is arranged, these data are sent to said first data-interface;
Said first data-interface receives the data after the processing that said first central processing unit transmits, and the data after will handling are sent to receiving terminal for digital television;
Said first data-interface also receives the passback data that said receiving terminal for digital television transmits, and is sent to said first central processing unit; Said first central processing unit is sent to radio frequency unit after said passback data are handled, and through the said passback data of said antenna transmission to said mobile communications network front end system.
12. the data exchange system that is used for DTV according to claim 10 is characterized in that: said receiving terminal for digital television comprises at least: user's control circuit, second central processing unit and second data-interface; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said second central processing unit;
Said second central processing unit receives said user's operational order; Judged whether that said 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 said mobile communication terminal is arranged; Generate the passback data, and should return data and be sent to said second data-interface;
Said second data-interface receives said passback data, and should return data and be sent to mobile communication terminal;
Said second data-interface also receives the data that said mobile communication terminal transmits, and is sent to said second central processing unit; Said second central processing unit is handled and is operated accordingly said data.
13. according to claim 11 or the 12 described data exchange systems that are used for DTV, it is characterized in that: said first data-interface and said second data-interface are one or more in infrared interface, blue tooth interface and the WIFI interface.
14. 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; Said data-interface is through the data transmission link between wireless mode foundation and the mobile communication terminal; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said central processing unit; Said central processing unit receives said user's operational order; Judged whether that said 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 said mobile communication terminal is arranged; Generate the passback data, and should return data and be sent to said data-interface; Said data-interface receives said passback data, and should return data and be sent to mobile communication terminal; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
Said data-interface also receives the data that said mobile communication terminal transmits, and these data are sent to said central processing unit; Said central processing unit is handled and is operated accordingly said data.
15. receiving terminal for digital television according to claim 14 is characterized in that: said data-interface is one or more in infrared interface, blue tooth interface and the WIFI interface.
16. the method for interchanging data of a DTV; It is characterized in that: said method for interchanging data is based on the mobile communication terminal with DTV receiving function, and said mobile communication terminal comprises DTV receiving element and the communication unit that is connected with said DTV receiving element at least; Said method for interchanging data comprises:
When said mobile communication terminal user is operated, the DTV receiving element of said mobile communication terminal response user operational order, and produce the passback data; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
The DTV receiving element of said mobile communication terminal is sent to said passback data the communication unit of said mobile communication terminal;
The communication unit of said mobile communication terminal is sent to said digital TV network front end system through mobile communications network with said passback data;
Said digital TV network front end system obtains said passback data, and analyzes, and carries out corresponding user management or sends request program to said mobile communication terminal according to said passback data.
17. the method for interchanging data of DTV according to claim 16 is characterized in that: the communication unit of said mobile communication terminal is sent to said digital TV network front end system through mobile communications network with said passback data, comprises step:
After the communication unit of said mobile communication terminal obtains said passback data, the mobile communications network front end system is handled and be sent to these passback data;
Said mobile communications network front end system is sent to said digital TV network front end system with said passback data.
18. the method for interchanging data of DTV according to claim 17 is characterized in that: said to the passback data handle and be sent to the mobile communications network front end system, comprise step:
The communication unit of said mobile communication terminal carries out data verification and error correction to said passback data;
Said passback data are repacked, be created on the data format that transmits in the mobile communications network;
The communication unit of said mobile communication terminal will return data through mobile communications network and be sent to the mobile communications network front end system.
19. the method for interchanging data of DTV according to claim 16 is characterized in that: when said digital TV network front end system was sent to said mobile communication terminal with data, said method also comprised step:
Said digital TV network front end system is sent to said data through mobile communications network the communication unit of said mobile communication terminal;
The communication unit of said mobile communication terminal carries out said data to be sent to said DTV receiving element after the data transaction.
20. the data exchange system of a DTV 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,
Said mobile communication terminal comprises DTV receiving element and communication unit at least; Wherein,
Said DTV receiving element is used for receiving and response user operational order, generates the passback data, and should return data and be sent to said communication unit; Receive the data that said communication unit transmits, said data are handled and operated accordingly; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
Said communication unit is used to receive the data that said DTV receiving element transmits, and handles the back and is sent to said mobile communications network front end system through mobile communications network; Receive the data that the mobile communications network front end system transmits, be sent to said DTV receiving element after handling;
Said mobile communications network front end system is used to receive the data that said 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 said mobile communication terminal.
21. the data exchange system of DTV according to claim 20 is characterized in that: the communication unit of said mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Said antenna is used for receiving the data that said mobile communications network front end system sends through mobile communications network, and these data are sent to said radio frequency unit;
Said radio frequency unit is sent to said first central processing unit after the data that receive are handled;
Said first central processing unit receives the data after handling, and the data after handling are sent to said DTV receiving element;
Said first central processing unit also receives the passback data that said DTV receiving element transmits, and is sent to radio frequency unit after said passback data are handled, and through the said passback data of said antenna transmission to said mobile communications network front end system.
22. the data exchange system of DTV according to claim 20 is characterized in that: the said DTV receiving element of said mobile communication terminal comprises at least: the user's control circuit and second central processing unit; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said second central processing unit;
Said second central processing unit receives said user's operational order, generates the passback data, and should return data and be sent to said communication unit;
Said second central processing unit also receives the data that said communication unit transmits, and said data are handled and operated accordingly.
23. the mobile communication terminal with DTV receiving function is characterized in that: comprise DTV receiving element and the communication unit that is connected with this DTV receiving element, wherein,
Said DTV receiving element comprises front-end circuit, back-end circuit, also comprises: the user's control circuit and second central processing unit; Wherein,
Said user's control circuit is used for receiving and response user operational order, and this user's operational order is sent to said second central processing unit; Said second central processing unit receives said user's operational order, generates the passback data, and will return first central processing unit that data are sent to said communication unit; Said passback data comprise: carry out the instruction of video request program, data download, authentification of user, recreation or network browsing;
Said second central processing unit also receives the data that said communication unit transmits, and said data are handled and operated accordingly;
The communication unit of said mobile communication terminal comprises at least: antenna, radio frequency unit and first central processing unit; Wherein,
Said antenna is used for receiving the data that said mobile communications network front end system sends through mobile communications network, and these data are sent to said radio frequency unit;
Said radio frequency unit is sent to said first central processing unit after the data that receive are handled;
Said first central processing unit receives the data after handling, and the data after handling is sent to second central processing unit of said DTV receiving element;
Said first central processing unit also receives the passback data that said DTV receiving element transmits, and is sent to radio frequency unit after said passback data are handled, and through the said passback data of said antenna transmission to said mobile communications network front end system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101022953A CN101304494B (en) | 2007-05-10 | 2007-05-10 | Method and system for data communication of digital television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101022953A CN101304494B (en) | 2007-05-10 | 2007-05-10 | Method and system for data communication of digital television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101304494A CN101304494A (en) | 2008-11-12 |
| CN101304494B true CN101304494B (en) | 2012-01-25 |
Family
ID=40114175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101022953A Expired - Fee Related CN101304494B (en) | 2007-05-10 | 2007-05-10 | Method and system for data communication of digital television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101304494B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924929B (en) * | 2010-09-30 | 2012-04-11 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366758A (en) * | 2000-02-28 | 2002-08-28 | 三菱电机株式会社 | Mobile communication network adapter |
| WO2004084555A1 (en) * | 2003-03-15 | 2004-09-30 | Koninklijke Philips Electronics N.V. | 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 |
| 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 |
| 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 |
-
2007
- 2007-05-10 CN CN2007101022953A patent/CN101304494B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366758A (en) * | 2000-02-28 | 2002-08-28 | 三菱电机株式会社 | Mobile communication network adapter |
| WO2004084555A1 (en) * | 2003-03-15 | 2004-09-30 | Koninklijke Philips Electronics N.V. | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101304494A (en) | 2008-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101304494B (en) | Method and system for data communication of digital television | |
| US9363548B2 (en) | System and method for providing a personal broadcasting service using a mobile communication terminal | |
| CN101510965B (en) | Classified access system and method for multiple mobile terminals of digital television set-top box | |
| CN101521732B (en) | System and method for remotely controlling set-top box | |
| CN100459670C (en) | A method and system for simultaneously playing multi-channel TV signals | |
| CN102769799A (en) | Method and system for realizing digital television business distribution service in IP (internet protocol) network | |
| CN100428795C (en) | System and method for realizing electronic program guide information download and analysis | |
| CN100373944C (en) | Game service system | |
| JP2010537313A (en) | Mobile media router and method of using the same | |
| CN1893430A (en) | Content integration method with format and protocol conversion system | |
| CN102611938A (en) | Multimode screen moving method and system | |
| CN1762158A (en) | Control of a conditional access mechanism | |
| CN102710985A (en) | Method and system for realizing television screen shift in home LAN (local area network) and television equipment | |
| CN101379822A (en) | An enhanced interactive television return path | |
| CN101150383A (en) | IP data transmission method | |
| CN103428540A (en) | IPTV on-demand broadcasting achieving method, intelligent terminal and template refreshing server | |
| CN101237535A (en) | A method and device for digital TV software upgrade | |
| CN101034966B (en) | STB and master-slave STB system | |
| CN101877743A (en) | Mobile terminal and method for interacting mobile terminal with network server | |
| CN101175095A (en) | Family network multimedia access apparatus and method | |
| CN101188733A (en) | A home network multimedia access system | |
| CN101656866B (en) | Receiving method, terminal equipment and receiving device for mobile digital multimedia services | |
| CN100546338C (en) | A kind of top box of digital machine that has telephony feature | |
| US20080192658A1 (en) | Media distribution system with wireless local area network module | |
| CN101384003B (en) | Method and terminal for fusing mobile multimedia broadcast service in network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |