CN1494264A - Digital mode radio joining up system for implementing joining three networks into one business - Google Patents
Digital mode radio joining up system for implementing joining three networks into one business Download PDFInfo
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- CN1494264A CN1494264A CNA021339783A CN02133978A CN1494264A CN 1494264 A CN1494264 A CN 1494264A CN A021339783 A CNA021339783 A CN A021339783A CN 02133978 A CN02133978 A CN 02133978A CN 1494264 A CN1494264 A CN 1494264A
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Abstract
Digital signal of TV program, Internet data, and signal of IP phone passing through wireless wide band are connected to users. Hardware utilized in the said system includes following: high resolution TV program database for storing audio/video data, or movie and television signal source, data transmission system at high speed, access equipment of wireless wide band connected to high speed data transmission system as well as both-way terminal units at users side communicated with access equipment of wireless wide band wirelessly. Signal such as data in TV program database, data and voice in computers are transmitted by high-speed optical fiber or cable transmission system. Wireless wide band network device exchanges signal transmitted by optical fiber or cable with two-way terminal units at users, or broadcasts the signal.
Description
The present invention relates to radio communication and integrated circuit fields, particularly a kind of wireless broadband network technology of utilizing is transformed existing television broadcasting pattern, thereby realizes the wireless access system of TV network, speech network and internet unification of three nets.
Present television devices is only supported broadcast mode, and simultaneously, the transmission of TV signal and reception all are to be undertaken by analog signal.The user can realize the freedom of own part by channel selection, thereby and runs in the transmission of analog signal and disturb that to cause the distortion of signal be expendable.
Be illustrated in figure 1 as present television signal and handle structured flowchart.Tuner receives the control signal of MCU, utilizes different local frequencies that the TV signal of high frequency is demodulated into the intermediate-freuqncy signal that only comprises single station synchronization, and then, the SAW (Surface Acoustic Wave) filter of process PIF and SIF enters video and audio processing modules; Video and audio processing modules receive the control signal of MCU, select whether the local signal input or the signal of tuner to be imported as the object of handling, vision signal is handled the back and row-field scanning carries out synchronously, carries out video picture through processing such as high voltage package back on display device; Enter power amplifier module after the Audio Signal Processing, then by the stereo set restoring acoustical signal.More than all modules all power by power system modules, and the MCU module also the control of video processing module brightness of vision signal, gray scale, colour etc. are adjusted, the control audio processing module is adjusted the volume of voice, speech processes pattern etc. simultaneously.Realize exchanges data by infrared interface between the remote controller of MCU and outside.
In above-mentioned television structure, signal carries out sequential processes with analog form at each intermodule, because the difficulty of analog is big, makes the increase of function and the raising of precision be subjected to great restriction.As increasing picture-in-picture function therein, then need analog signal at first is converted to digital signal, and then digital signal is converted to the process of analog signal, make the precision of signal processing be restricted; The control information of MCU is also carried out with the form of analog signal, so just need be in MCU integrated a plurality of digital to analog converters, make that the control precision to signal processing is restricted.
Be illustrated in figure 2 as present television broadcasting system block diagram, the data feedback channel that various places TV station utilizes satellite is delivered to oneself program other TV station, and the TV station of various places utilizes the down going channel of satellite to obtain the TV programme of various places, by the TV programme of various places is modulated in this locality, be combined as local broadcast program, and then utilizing the ground based repeater of cable TV or TV programme that program is delivered to the user, the user can TV reception at utilization receiver device as described in Figure 1.In above system, all taked the broadcast wave pattern to carry out work.
The shortcoming of system is at present:
1, the possibility that is interfered of signal is big.Up and the band downlink of satellite if adopt the high-power signal with frequency range that uplink band is disturbed, then will cause the obstruction of satellite repeater all with analog form work; In the propagation of cable TV, also adopt analog form work,, and in cable transmission, make signal to recover owing to distorting because the decay of cable every a segment distance, all needs a power amplifier to compensate.
2, the cost height of system's operation.Because Signal Processing with analog form, needs to take bigger bandwidth and data and can not compress processing with the conserve on spectrum resource in transmission; It is digital signal with program by analog signal conversion that the program of TV station needs various device, again digital signal is converted to the processing of analog signal then; Every household all needs a coaxial cable to insert, and several users is carried out impedance matching and anti-interference process with regard to signal amplifier of needs with TV signal.
3, bidirectional rebuilding difficulty.Transform the cable of cable TV as two-way information interchange passage, need locate to increase CABLE MODEM each user; Simultaneously, the speed of information is subjected to the restriction of vacant frequency spectrum resource of cable and modulation system, and a plurality of user's shared bandwidths have limited number of users.
4, user's viewership can not all and in time obtain.Each user needs extra fact-finding organ to carry out to the fancy grade of TV programme, user's information such as rating time; And advertiser also determines the time and the expense of advertisement delivery according to these data.
As above shortcoming in view of prior art, the objective of the invention is to utilize broadband wireless network, it is interconnected that user and local television operator, telecom operators and ISP are carried out high speed, by means of the modern advanced communication technology, realizes the transformation to the current broadcast TV network.
The objective of the invention is to realize by following method.
The figure pattern wireless access system of the business of implementing the "Three-in-One Network", utilize the characteristic of broadband wireless network, digital signal with high-definition television programs, the INTERNET data and the IP phone signal of computer are connected with the user by wireless broadband network, and the hardware that is relied on comprises: the high-definition television programs database or the video signal source that are used to store audio and video files, optical fiber or cable communication system at a high speed, be connected on the wireless broadband network access device on optical fiber or the cable communication system, and form the user side bidirectional terminal equipment of wireless telecommunications with wireless broadband network equipment.Optical fiber at a high speed or cable communication system carry out high rate data transmission with signals such as the data of TV programme database data and computer, voice; Wireless broadband network equipment exchanges the signal and the user side bidirectional terminal equipment of optical fiber or cable transmission or broadcast
The transformation of adopting technical scheme of the present invention to implement the "Three-in-One Network" in high quality, the emphasis of transforming is that TV network is improved to two-way mode by present One-to-All Broadcast pattern, thereby makes the Internet Protocol Television network after ip voice network and IP internet and the improvement use the WiMAX access way to be connected with the user simultaneously.
Major advantage of the present invention is:
1, TV user is with convenient.Because television set inside installed the WiMAX transceiver, user portion does not within the family need the cable interface just can received television program, and television set portion within the family has the place of power supply to move freely; The user can carry out the program request of program, watches the program of oneself liking, and can store program.
2, Yun Ying cost will descend significantly.Owing to be connected with optical fiber between the access point of new television operator and wireless broadband network, transmission be digital signal, so, do not need to use the amplifier of the analog signal that continues, and error can be proofreaied and correct; All adopt the digital signal standards in the making of TV programme with in propagating, simplified the monitoring equipment of operator inside.
3, the television set function is abundanter, and is with relevant equipment that easier realization is interconnected.Television set inside has replaced original simulation tuner with the transceiver of wireless broadband network, and it can receive the programme signal of a plurality of channels simultaneously, does not need to increase tuner during functions such as realization picture-in-picture; Can realize the telecast demanding function; Remote keypad can be connected with the MCU of television set, thereby television set is used as a network terminal.
4, system meets environmental protection requirement more.The complexity of the messaging device that new system needs will significantly reduce; Simultaneously, save a large amount of cable and analog signal amplifier; Because the transmission of optical fiber in hundred kilometers do not need trunking, therefore do not need the power consumption of being correlated with; System can reduce the manufacturing quantity of equipment such as the use amount of CD and DVD effectively.
5, user's viewership can all and in time obtain.The inner wireless broadband network transceiver inside of installing of television set, integrated semiconductor memory; This memory can be made accurate record with the time of user's TV reception, the information such as content of watching, after the data of storage reach certain capacity, then the sendaisle of this information by wireless broadband network is delivered to relevant statistical organization.
6, better protection intellectual property.In the transceiver of wireless broadband network, stored the id information of oneself, television set will have huge restriction to the signal input of this locality: only can play CD or legal CD-ROM Title by the performance recording of own program request.
7, lower television set manufacturing cost.The signal processing of television set inside after the wireless broadband network reception, is just directly carried out with digital form; Do not use tuner in television set inside; The control of MCU will directly be carried out in the mode of digital signal and need not digital to analog converter.
8, implement the "Three-in-One Network".TV network, communication network and the Internet will organically merge.
In system of the present invention, television operator can keep present unidirectional mode, and the data flow of another one direction can realize by telecom operators; Simultaneously, ISP, telecom operators also can oneself provide video request program or broadcasting service.
Set up the numerical data base of a TV programme in the whole nation; Simultaneously by the network of telecom operators, make domestic program database be connected with external database.Provide the operator of TV programme to the user, can use database with compensation, the clearing of cost of use can be carried out automatically.
TV programme is connected with near the user wireless broadband network access point by optical fiber or high speed cable, and telecommunications and ISP business also are connected by near the wireless broadband network access point of optical fiber or high speed cable and user.
User's television set receives the TV signal of wireless broadband network, signal is handled the back watch for the user; Simultaneously the user is watched the relevant information of program to be stored in the memory of wireless network, send to the access point of wireless broadband network in the suitable moment, access point sends to relevant processing mechanism with this information by communication network; When user's request program, relevant information arrives the TV program database processing center by the access point of telecom operators, and the user can obtain the program of own program request by the network of telecom operators.
IP phone is connected with the network of telecom operators with the access point of data I P interconnect services by wireless broadband network, and an ISP and the other side with needs carries out exchanges data then.
Description of drawings.
Fig. 1: present television signal is handled structured flowchart
Fig. 2: present television broadcasting structured flowchart
Fig. 3: unification of three nets method of work block diagram of the present invention
Fig. 4: WAP (wireless access point) and user's connection diagram
Fig. 5: television signal of the present invention is handled block diagram
Fig. 6: the flow chart of realizing demand (telecommunication) service
Fig. 7: realize the flow chart that local video is play
Below in conjunction with drawings and Examples content of the present invention is described in further detail.
Be illustrated in figure 3 as improved unification of three nets schematic diagram, annexation is: telecom operators all are two-way the connections with TV programme numerical data base, external TV program database, Internet video frequency program, ISP, Wi-Fi (Wireless Internet Access) equipment, TV programme operator etc., TV programme operator and TV programme numerical data base are two-way connections and be broadcast mode unidirectional (shown in thick-line arrow among the figure) or two-way the connection with wireless broadband network access device (WLAN (wireless local area network) access device), all are two-way the connections between radio bandwidth access network equipment and the user.
The program that TV programme operator makes oneself or send into radio bandwidth access network equipment from the program that TV program database obtains by optical fiber at a high speed or cable communication system and send to the user with broadcast mode, the user will watch the information of program to send to telecom operators by access network equipment, and television operator obtains this information from telecom operators, obtain related-program audience ratings, watch information such as rush hour.
Telecom operators can oneself manage television program service, also can be used as the forwarding of data center, the platform that provides information to transmit for ISP and TV programme operator.Television operator can be by the intercommunion platform of telecom operators must go abroad TV programme or internet video program; ISP also can provide relevant video request program or Internet radio business for the client.
The client is watched the processing of the relevant information of program, can finish by telecom operators, TV programme operator or ISP; To the Information Authentication that the user views and admires relevant local video program, can finish by ISP, telecom operators, TV programme operator or program database.
Be illustrated in figure 4 as radio bandwidth access network equipment and user's connection diagram, have a plurality of frequencies to work simultaneously in the access network equipment, frequency 1～n is the broadcasting frequency of TV programme, and frequency k～k+m is IP phone and the interconnected access frequency point of data.
The data rate of supposing each frequency is 100Mbps, and the video data flow rate of HDTV pattern is 2Mbps, then broadcasts the HDTV program that frequency can provide about 50 channels simultaneously for one; When number of programs increases, increase one or more frequencies again and get final product.
Improved as shown in Figure 5 television signal is handled structured flowchart, relevant annexation is: the WLAN transceiver module is connected with the mpeg decoder module with built-in aerial, the output of mpeg module is connected with the audio frequency amplification module with display driver, and display driver connects display and audio frequency amplifies and to connect stereo set.Mpeg decoder also can insert local vision signal input, the MCU module is connected with the audio frequency amplification module with WLAN transceiver, mpeg decoder and display driver thereof, the output that is input as remote controller interface of MCU, power module provides power supply for each functional module.
The WLAN module utilizes built-in aerial to receive the digital TV broadcast signal of wireless broadband network, is reduced to digital signal after decoding; Simultaneously, the WLAN module is according to the instruction of MCU, the data of the channel of beachhead demand only in the data that receive.If channel selection is one, then keep the data of a channel; If be picture-in-picture function, then keep the data of a plurality of channels.
The WLAN module is discerned the program level of channel correlation from decoded data, if be the restriction rank, then require the corresponding cipher word of input to verify; Cipher word is incorrect, then points out warning message, and abandons relevant video data.
The WLAN inside modules is integrated semiconductor memory, the channel that the user is selected and watch the information such as time of program to carry out record, comprise the time period information that local video program (local player such as DVD) watched in start, reach the warning limit value of capacity at memory data after, relevant data are sent to the access point of wireless broadband network, report the correlated data processor structure.
The WLAN transceiver just read the ID of authentic discs manufacturer and records the password of related-program every a regular time from program database; Perhaps when the user prepares to watch the video disc program, these data on the CD are sent to the checking of local program center, pirated CDs is carried out warning message prompting and refusal broadcast.
WLAN carries out the decoding of video compression with decoded data passes to mpeg module, carries out corresponding Video processing and Audio Processing behind the video decode again.Video processing comprises according to MCU commands for controlling gray-scale displayed, brightness, color etc.; Audio Processing comprises predistortion, volume, tone of mega bass etc.In the processing procedure, the instruction of MCU is communicated to video and audio processing modules with digital signaling once more, and the unnecessary analog signal that is converted to, Kong Zhi precision is higher like this, and the processing of data is simpler.The mpeg decode module can also be delivered to extraneous information-storing device by the local signal input interface with the data of not carrying out mpeg decode, as record DVD etc. and preserve, but the id information that includes this television set in this data recording, when other television for play since ID do not match and do not carry out decode operation.
Television set can be accepted the local signal input of two kinds of standards: through the numerical data behind the mpeg decode or do not carry out the numerical data of mpeg decode.If local signal has passed through mpeg decode, then directly carry out follow-up Video processing and Audio Processing behind the mpeg module of signal input television set; If local signal does not pass through mpeg decode, then carry out the decoding of MPEG compression earlier behind the mpeg module of signal input television set, and then carry out follow-up Video processing and Audio Processing.Because at the inner integrated mpeg decoder of television set, therefore, outside local signal input equipment will be simplified greatly, as just reading and the recording arrangement running of a data of optical disk, cost will significantly reduce.
Vision signal is carried out digital-to-analogue conversion at last driver module, and finishes in the Digital Signal Processing that is controlled at this module of MCU to vision signal; Audio signal is carried out digital-to-analogue conversion at last the audio frequency amplification module, and finishes in the Digital Signal Processing that is controlled at this module of MCU to audio signal.
The display of vision signal can adopt plurality of devices, as CRT, plasma scope, LCD or the like; Stereo set also can adopt multiple standard, as AC-3 or DOLBY etc.
The MCU module is finished the control to video and audio decoder and processing, and it is input as Remote Control Interface.Remote Control Interface can external Infrared remote controller, perhaps infrared remote control keyboard.MCU can control television set and enter demand mode from receiving broadcast mode, can also utilize the WLAN module with television set as an information terminal.
Power module provides the energy for each module.
Can adopt the method that IP phone and data interconnect services are carried out dilatation equally.
Fig. 6 and Fig. 7 flow chart for realizing that demand (telecommunication) service and local video are play.
Claims (12)
1, a kind of professional figure pattern wireless access system of implementing the "Three-in-One Network", utilize the characteristic of broadband wireless network, digital signal with high-definition television programs, the INTERNET data and the IP phone signal of computer are connected with the user by wireless broadband network, it is characterized in that the hardware that is relied on comprises: the high-definition television programs database or the video signal source that are used to store audio and video files, optical fiber or cable communication system at a high speed, be connected on the wireless broadband network access device on optical fiber or the cable communication system, and form the user side bidirectional terminal equipment of wireless telecommunications with the wireless broadband network access device; Optical fiber at a high speed or cable communication system carry out high rate data transmission with signals such as the data of TV programme database data and computer, voice, and wireless broadband network equipment exchanges the signal and the user side bidirectional terminal equipment of optical fiber or cable transmission or broadcast.
2, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1, it is characterized in that described user side bidirectional terminal equipment comprises: improved high-definition television, Wireless IP telephone, data terminal are user's TV programme receiver, voice intercommunication equipment and data interchange equipment.
3, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1 is characterized in that the transmission of various data before entering the wireless broadband network access point all adopts the digital standard of high reliability to carry out.
4, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1, it is characterized in that, described high-definition television programs database is the storage house of TV programme, simultaneously also can be the processing center and the transaction place of the audience information of being correlated with.
5, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1 and 2, it is characterized in that, the optical fiber of described high speed or cable communication system can be the transmission systems of CNN, also can be the high-speed transfer networks of telecommunications company.
6, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1, it is characterized in that, the transceiver that described improved high-definition television signal of TV program receives by wireless broadband network carries out, channel selection is distinguished realization by ID to received signal, rank to TV programme is discerned automatically, to some other program of level, need the cipher word checking to decode; Utilize the data feedback channel of wireless broadband network that information is sent to program processing center realization program request.
7, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 2 is characterized in that the transceiver module of wireless broadband network has been installed in described telephone set inside, and directly transmits by the IP pattern between other speech ciphering equipments.
8, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 2, it is characterized in that: the transceiver module of wireless broadband network has been installed in data terminal inside, and interconnected by broadband IP between other data terminals.
9, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 2, it is characterized in that: it realizes two-way information interchange, both can utilize present 802.11a standard to realize, and also can utilize other WiMAX interconnect standards to realize.
10, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 1, it is characterized by: described wireless broadband network equipment is honeycomb fashion and covers distribution, and has one or more working frequency points.
11, the figure pattern wireless access system of triple play according to claim 6, it is characterized in that described improved high-definition television is can realize play-on-demand program a while and user's viewership added up and with up reception and the display device that sends to the TV programme of related information source of information.
12, the professional figure pattern wireless access system of implementing the "Three-in-One Network" according to claim 11, it is characterized in that, the WLAN transceiver module is connected with the mpeg decoder module with built-in aerial, the output of mpeg module is connected with the audio frequency amplification module with display driver, and display driver connects display and audio frequency amplifies and to connect stereo set; Mpeg decoder also can insert local vision signal input, the MCU module is connected with the audio frequency amplification module with WLAN transceiver, mpeg decoder and display driver thereof, the output that is input as remote controller interface of MCU, remote controller or the remote keypad input port by MCU is that the output of remote controller interface is input to television set with information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021339783A CN1494264A (en) | 2002-10-29 | 2002-10-29 | Digital mode radio joining up system for implementing joining three networks into one business |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA021339783A CN1494264A (en) | 2002-10-29 | 2002-10-29 | Digital mode radio joining up system for implementing joining three networks into one business |
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| CN1494264A true CN1494264A (en) | 2004-05-05 |
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| CNA021339783A Pending CN1494264A (en) | 2002-10-29 | 2002-10-29 | Digital mode radio joining up system for implementing joining three networks into one business |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202699B (en) * | 2006-12-14 | 2010-07-07 | 北京东方广视科技股份有限公司 | Method for packing together banding of Ethernet MAC frame |
| US7818775B2 (en) | 2005-12-21 | 2010-10-19 | At&T Intellectual Property I, L.P. | System and method for recording and time-shifting programming in a television distribution system with limited content retention |
| US8037505B2 (en) | 2006-01-30 | 2011-10-11 | At&T Intellectual Property I, Lp | System and method for providing popular TV shows on demand |
| CN101072269B (en) * | 2006-05-12 | 2012-01-04 | 深圳Tcl工业研究院有限公司 | Method and system for realizing coice transmission |
| CN101355689B (en) * | 2008-09-08 | 2013-02-13 | 深圳市同洲电子股份有限公司 | Method and system for controlling VOD of digital television as well as digital television receive terminal |
| CN103428580A (en) * | 2012-07-06 | 2013-12-04 | 上海数字电视国家工程研究中心有限公司 | Digital television heterogeneous network structure |
| CN101494906B (en) * | 2007-12-27 | 2014-03-12 | 汤姆森许可贸易公司 | Method for performing service admission control and system |
| US8789128B2 (en) | 2005-12-21 | 2014-07-22 | At&T Intellectual Property I, L.P. | System and method for recording and time-shifting programming in a television distribution system using policies |
| CN104124994A (en) * | 2014-07-28 | 2014-10-29 | 四川泰立科技有限公司 | Wireless ultra wide band three-network integrated communication system and method thereof |
| CN106453985A (en) * | 2016-11-16 | 2017-02-22 | 丹阳华神电器有限公司 | Three-in-one network wireless access device |
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| US8474003B2 (en) | 2005-12-21 | 2013-06-25 | At&T Intellectual Property I, Lp | System and method for recording and time-shifting programming in a television distribution system with limited content retention |
| US8789128B2 (en) | 2005-12-21 | 2014-07-22 | At&T Intellectual Property I, L.P. | System and method for recording and time-shifting programming in a television distribution system using policies |
| US8087059B2 (en) | 2005-12-21 | 2011-12-27 | At&T Intellectual Property I, L.P. | System and method for recording and time-shifting programming in a television distribution system with limited content retention |
| US9071874B2 (en) | 2005-12-21 | 2015-06-30 | At&T Intellectual Property I, Lp | System and method for recording and time-shifting programming in a television distribution system using policies |
| US8745686B2 (en) | 2005-12-21 | 2014-06-03 | At&T Intellectual Property I, Lp | System and method for recording and time-shifting programming in a television distribution system with limited content retention |
| US7818775B2 (en) | 2005-12-21 | 2010-10-19 | At&T Intellectual Property I, L.P. | System and method for recording and time-shifting programming in a television distribution system with limited content retention |
| US8037505B2 (en) | 2006-01-30 | 2011-10-11 | At&T Intellectual Property I, Lp | System and method for providing popular TV shows on demand |
| CN101072269B (en) * | 2006-05-12 | 2012-01-04 | 深圳Tcl工业研究院有限公司 | Method and system for realizing coice transmission |
| CN101202699B (en) * | 2006-12-14 | 2010-07-07 | 北京东方广视科技股份有限公司 | Method for packing together banding of Ethernet MAC frame |
| CN101494906B (en) * | 2007-12-27 | 2014-03-12 | 汤姆森许可贸易公司 | Method for performing service admission control and system |
| CN101355689B (en) * | 2008-09-08 | 2013-02-13 | 深圳市同洲电子股份有限公司 | Method and system for controlling VOD of digital television as well as digital television receive terminal |
| CN103428580A (en) * | 2012-07-06 | 2013-12-04 | 上海数字电视国家工程研究中心有限公司 | Digital television heterogeneous network structure |
| CN104124994A (en) * | 2014-07-28 | 2014-10-29 | 四川泰立科技有限公司 | Wireless ultra wide band three-network integrated communication system and method thereof |
| CN104124994B (en) * | 2014-07-28 | 2016-05-25 | 四川泰立科技股份有限公司 | Wireless ultra-wideband integration of three networks communication system and method thereof |
| CN106453985A (en) * | 2016-11-16 | 2017-02-22 | 丹阳华神电器有限公司 | Three-in-one network wireless access device |
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