CN101272325B - Family wireless interconnected broadcast base station - Google Patents
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- CN101272325B CN101272325B CN2008100278929A CN200810027892A CN101272325B CN 101272325 B CN101272325 B CN 101272325B CN 2008100278929 A CN2008100278929 A CN 2008100278929A CN 200810027892 A CN200810027892 A CN 200810027892A CN 101272325 B CN101272325 B CN 101272325B
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Abstract
The invention discloses a base station of family wireless interconnection broadcast, which comprises a multi-channel tuner, a plurality of digital TV demodulating and descrambling device, an embedded controller, a WiFi wireless routing module and an antenna; digital TV signals transmitted by a coaxial cable are processed by the multi-passage tuner into intermediate frequency signals; the intermediate frequency signals are processed by the digital TV demodulating and descrambling device and transformed into program transmitting flows; then the program transmitting flows are transformed into standard computer port data by the embedded controller and are packed into IP data packets; the IP data packets are forwarded by the WiFi wireless routing module to corresponding wireless terminals. The base station of family wireless interconnection broadcast of the invention can be integrated with a cable TV, internet and a telecommunication network so as to integrate the three networks and 3C (computers, communications and consuming electronics), meet TV service, network application and telecommunication service of multi-terminal of families and realize remote control and remote program recording or transforming.
Description
Technical field
The present invention relates to the wireless interconnected broadcast system, be specifically related to a kind of family wireless interconnected broadcast base station of high modularization.
Background technology
Existing CATV set-top-box only is connected to a display device, and one family then needs to join a plurality of set-top box if multiple TV set is arranged, and rewiring, if television set moves the position, also needs to connect up in addition again.
In addition, last century end,, make that the cable tv broadcast market based on optical fibre-coaxial cable hybrid system (HFC) has experienced unprecedented high speed development for satisfying the optical fiber that the broadband connections demand causes and the huge advance made of radio-frequency technique.And growing the Internet, the commerce of aspects such as ip voice and Video service is used and has then greatly been stimulated multimedia service, the demand of show business business and monitoring service etc.Wherein, the ordinary family user is to use the main pusher of these added value services.Therefore, with to merge cable television network, the Internet, telecommunications network (unification of three nets) be feature with the fusion computer, communicate by letter, " digital home " that consumption electronic product (three C unification) is one become one of main development trend of new round post-PC era information technology application.On the other hand, be that the wireless local area network technology of representative has obtained fast development in the whole world in recent years with WiFi, the daily life to us produces most penetrating influence.In the construction of digital home, the informationization of household appliances, the networking of information platform, wireless penetration be a very crucial part beyond doubt.
Although " digital home " is the ultimate dream that makes up intelligent society, yet should how to set up be the challenge that household appliances enterprise and IT enterprises must be faced in real digital home.At present, nearly all household appliances enterprise and digital home's solution of IT enterprises are at some specific application mostly.
The first kind mainly is digital home's solution of representative with household appliances enterprise.By organically integrating household appliances such as PC and high definition liquid crystal flat-panel TV is one, serves as that the support establishment is the information household appliances and the family multi-media Internet at center with digital parlor with WiFi (WLAN (wireless local area network)) and Upnp (plug and play) technology.With PC as broadcast, storage and control appliance, utilize the inexhaustible music sources in the Internet, video display resource, TV programme resource, game resource, information resources, the consumer just can be in the parlor or the bedroom enjoy, operate and share abundant digital entertainment content as required and indiscriminately ad. as one wishes control various information household appliances equipment.
Second class is then main to be digital home's solution of representative with IT class enterprise.They mainly are to adopt Household intelligent gateway based on wired ethernet or WiFi wireless router as multimedia recreation control centre.Realize set-top box, PC, PDA, WiFi PDA, printer, phone and illumination, household electrical appliances etc. in the family are carried out networking by Household intelligent gateway, for the user provides the unified user interface of being convenient to operate, provide the life style of lively more, convenient and leisure by brand-new user experience.The user not only can enjoy wireless Internet access, visual telephone, video conference, video mailbox at home, can also carry out household electrical appliances, illumination control, gate inhibition's security control and tele-medicine service etc. by long-range.
As mentioned above, these with information household appliances, cable LAN or WLAN (wireless local area network) intelligent gateway be digital home's platform of fundamental construction be mostly with separately independently mode develop.The separation of these several technology development has caused some, and we are reluctant that the inferior position of seeing produces, as: can't integrate effectively that cable television network and IP Internet, terminal equipment lack flexibility, unnecessary the waste communicated by letter and Internet resources.Therefore, organically organize huge day by day cable television network, indoor wired and WLAN (wireless local area network), various information household electrical appliances and corresponding systems soft ware to become and make up a low cost, high reliability, big capacity, the research and development emphasis of intelligent digital homebrew.
Summary of the invention
The object of the present invention is to provide a kind of family wireless interconnected broadcast base station that can play the different channel program of cable TV for many display terminals simultaneously, in general home-ranges, display terminal can move the problem that the position need not to consider rewiring arbitrarily.
The technical scheme that realizes the object of the invention is as follows:
A kind of family wireless interconnected broadcast base station is characterized in that comprising: multichannel tuner, a plurality of Digital Television demodulation descrambler, embedded controller, the wireless routing module of WiFi, antenna; Digital television signal through the coaxial cable transmission is processed into intermediate-freuqncy signal through the multichannel tuner, intermediate-freuqncy signal is processed into program transport streams through Digital Television demodulation descrambler, the program transmission embedded controller of flowing through converts the computer interface data of standard to and is packaged into the IP packet, and the IP packet is transmitted to corresponding wireless terminal by the wireless routing module of WiFi through antenna.
Can play arbitrarily as consumer electronics such as CD, DVD, video cameras in order to make display terminal, described family wireless interconnected broadcast base station also comprises the consumer electronics data processing module, and the signal of consumer-elcetronics devices output converts the audio frequency and video transport stream to and finally is presented at display terminal after the consumer electronics data processing module is handled.
For can the remote control of domestic wireless interconnected broadcast base station, and realize that display terminal connects the demand of internet, family wireless interconnected broadcast base station also can comprise the cable modem that links to each other with coaxial cable, is used for the modulation and demodulation processing of IP packet.
In order to realize that the integration of three networks and 3C merge, thereby make up an intelligentized digital home, described family wireless interconnected broadcast base station also comprises the mixer that links to each other with coaxial cable, be used for the radiofrequency signal of the telecommunication service of the radiofrequency signal of the wireless routing module of described WiFi and coaxial cable transmission syntheticly, give corresponding terminal through antenna transmission then; In addition, the WiFi radiofrequency signal that also is used for antenna is received is separated with the telecommunications radiofrequency signal, is transferred to wireless routing module of WiFi and coaxial cable respectively.
The present invention has following beneficial effect:
(1) built-in multichannel tuner in the family wireless interconnected broadcast base station of the present invention can be realized multi-user TV service, and different display terminals can be play different video frequency programs.
(2) family wireless interconnected broadcast base station of the present invention has been realized the integration of three networks by incoming cable television signal, internet data and telecommunication signal.Can realize TV service, network application and mobile communication.
(3) family wireless interconnected broadcast base station of the present invention connects into family lan by wired or wireless mode with household consumption electronic equipments such as computer, TV, mobile phone, audio amplifier, DVD, air-conditioning, refrigerator, watch-dogs, realize the 3C fusion, become home entertainment center truly.
By the WiFi wireless mode with the WiFi computer, can merge cable TV, the Internet and consumer-elcetronics devices.A plurality of wireless terminals can independently be watched digital catv signal, surf the Net or control consumer-elcetronics devices separately, also can long-range realization program record or unloading.
(4) family wireless interconnected broadcast base station of the present invention connects household internal net and extranets, can realize remote control and management.
Description of drawings
Fig. 1 illustrates the schematic block diagram of family wireless interconnected broadcast system.
Fig. 2 illustrates the detailed diagram of the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 3 illustrates the detailed diagram of the multichannel tuner in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 4 illustrates the signal processing flow figure of the Digital Television demodulation descrambler in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 5 illustrates the detailed diagram of the embedded controller in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 6 illustrates an example of the program transport streams input interface in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 7 illustrate in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention embedded controller and with the control flow chart of wireless terminal collaborative work.
Fig. 8 illustrates the detailed diagram of the wireless routing module of WiFi in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Fig. 9 illustrates the control flow chart of the wireless routing module of WiFi in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Figure 10 illustrates the Long-distance Control in the family wireless interconnected broadcast system of exemplary embodiment of the present invention and the flow chart of management.
Embodiment
Below in conjunction with accompanying drawing and exemplary embodiment the present invention is done to describe further, wherein, label identical in the accompanying drawing all refers to identical parts.In addition, if the detailed description of known technology is unnecessary for feature of the present invention is shown, then with its omission.
Fig. 1 illustrates the schematic block diagram of family wireless interconnected broadcast system.The family wireless interconnected broadcast system comprises: the family wireless interconnected broadcast base station 100 of high modularization, WiFi TV 102, WiFi computer 103, WiFi handheld device 107, WiFi audio amplifier 108, WiFi video camera 109, mobile phone 110, DVD player 106 and coaxial cable 104 and connection cable 105.This exemplary embodiment also relates to extranets and remote control equipment, comprises HFC net 150, telecommunication service access interface 120, CATV service access port one 30, IP operation access interface 140, remote control equipment 160 and remote terminal 170.
With the family wireless interconnected broadcast base station is the center, by the WiFi agreement, WiFi TV 102, WiFi computer 103, WiFi handheld device 107, WiFi audio amplifier 108, WiFi video camera 109 are linked together, constitute a high-speed radio family lan, each WiFi equipment all has an IP address.Wherein WiFi equipment such as WiFi TV 102, WiFi computer 103, WiFi handheld device 107, WiFi audio amplifier 108, WiFi video camera 109 are embedded with Web server.The electronic equipment that can be connected to family wireless interconnected broadcast base station is not limited to the above equipment of enumerating, all have the equipment of WiFi module, can insert family lan by the WiFi agreement, as be equipped with the conventional television, WiFi PDA etc. of WiFi set-top box; There is not the housed device of WiFi function to insert family wireless interconnected broadcast base station by stube cable 105; The mobile phone that does not possess the WiFi module can be realized the mobile communication of telecommunications by family wireless interconnected broadcast base station 100 and telecommunication service interface 120.
Family wireless interconnected broadcast base station 100 is cores of the present invention, wherein 104 ends be connected to cable TV coaxial cable (Cable), be used for digital television signal is linked into family wireless interconnected broadcast base station, also be connected with Internet simultaneously, realize the data interaction of family wireless interconnected broadcast base station 100 and the Internet by coaxial cable; 105 ends connect the household consumption electronics, are used for consumer electronics are linked into family wireless interconnected broadcast base station; Family wireless interconnected broadcast base station 100 is realized radio interconnected by antenna and WiFi TV 102, WiFi computer 103, WiFi handheld device 107, WiFi audio amplifier 108, WiFi video camera 109, mobile phone 110, can realize the multi-user simultaneously receiving digital television program, high-speed wireless access, point-to-point video request program, IP phone, telecommunication network control, the remote playing of consumer electronics such as mobile phone communication and DVD.
The network equipment of household internal such as WiFi TV 102, WiFi computer 103, WiFi handheld device 107 can and be monitored remote terminal 170 by the Internet remote operation; Insert remote equipment such as the remote control equipment 160 and the remote terminal 170 of (wired or wireless mode) the Internet, also can be by configuration, remote control, management and the monitoring of the Internet realization to family internal network equipment.
WiFi TV 102 adopts the integral machine of band WiFi in the exemplary embodiment of the present invention, also can be the conventional television of band WiFi set-top box, plays different TV programme when one family can be realized many WiFi television identical simultaneously.
WiFi handheld device 107 adopts WiFi PDA in the exemplary embodiment of the present invention, also can use special-purpose WiFi controller or possess the handheld devices such as WiFi handset of WiFi function and Web browser.
Above-mentioned family wireless interconnected broadcast system has merged telecommunications network, the Internet and television network, and also converged communication, computer and household consumption electronics have realized that unification of three nets and 3C merge.
Fig. 2 illustrates the detailed diagram of the family wireless interconnected broadcast base station 100 of exemplary embodiment of the present invention.Family wireless interconnected broadcast base station 100 comprises: multichannel tuner 201, Digital Television demodulation descrambler 202, embedded controller 203, WiFi is wireless routing module 204, cable modem (Cable Modem) 205, consumer electronics data processing module 206, mixer 208 and antenna 207.
As shown in Figure 2, the family wireless interconnected broadcast base station 100 of exemplary embodiment of the present invention is realized access, processing and the forwarding of four class signals (output signal of consumer-elcetronics devices, digital catv signal, network data and telecommunication signal), and can implement control to relevant device or module.
Embedded controller 203 is used for the data flow of digital television program transport stream and consumer-elcetronics devices is packaged into the IP packet, and transfers to the wireless routing module 204 of WiFi and be transmitted to corresponding WiFi TV 102 or WiFi computer 103.Embedded controller 203 also receives the control data that WiFi handheld device 107, WiFi TV 102 or WiFi computer 103 are transmitted by the wireless routing module 204 of WiFi, realizes the control to consumer-elcetronics devices, multichannel tuner 201, Digital Television demodulation descrambler 202 and cable modem 205.As to controls such as the switching on and shutting down of consumer-elcetronics devices, broadcasts; Channel selection control to the multichannel tuner; To controls such as the decoder in the Digital Television demodulation descrambler, demodulation multiplexer and condition receptions.
WiFi is wireless, and routing module 204 is realized the route and the forwarding of IP packet.
Used a wireless routing module of WiFi in the exemplary embodiment of the present invention.In order to guarantee the reliable and stable of Network Transmission and television reception, can adopt two wireless routing modules of WiFi, one is used for transmitting digital TV transmission stream, and one is used for the IP packet that transceiver cable modulator-demodulator 205 produces.
Consumer electronics data processing module 206 is used to handle the output signal of family's consumer-elcetronics devices commonly used and equipment such as WiFi handheld device 107, WiFi TV 102 or WiFi computer 103 control data to consumer-elcetronics devices.
The output signal (comprising simulation, digital signal) of the consumer-elcetronics devices that consumer electronics data processing module 206 is commonly used with family is handled, and converts the audio frequency and video transport stream to, exports to embedded controller 203.The access interface of consumer electronics is equipped with the polytype interface, can insert digital video and audio signal, also can insert analog video and audio signal.Do the A/D conversion earlier for analog signal, encoding compression becomes digital code stream then, converts the audio frequency and video transport stream again to; Then directly be converted to the audio frequency and video transport stream for the digital code stream that has compressed; For unpressed digital code stream, do data compression earlier, convert the audio frequency and video transport stream again to.
The input interface type of consumer electronics is equipped with in the exemplary embodiment of the present invention: composite video signal interface, S-Vedio interface, 1394 fire-wire interfaces, SPDIF audio interface and USB interface.
The audio frequency and video transport stream format can adopt MPEG2, H.264 or the AVS form.In the exemplary embodiment of the present invention, the audio frequency and video transport stream format adopts the MPEG2 form.
Equipment such as WiFi handheld device 107, WiFi TV 102 or WiFi computer 103 are to the control signal of consumer-elcetronics devices, receive processing through embedded controller 203, control consumer-elcetronics devices by wired or wireless (infrared, bluetooth) mode by consumer electronics data processing module 206.
WiFi handheld device 107 is transmitted by the wireless routing module of WiFi the control and the visit of other WiFi equipment.
Fig. 3 illustrates the detailed diagram of the multichannel tuner 201 in the family wireless interconnected broadcast base station 100 of exemplary embodiment of the present invention.Multichannel tuner 201 comprises variable gain controller 301, frequency mixer 302, filter 303, pll controller (PLL) 304, crystal oscillator 305 and control interface 306 as shown in Figure 3.
Multichannel tuner in exemplary embodiment of the present invention comprises four tunnel channel tuner independently, and wherein the gain of variable gain controller 301 can be by the AGC Signal Regulation of Digital Television demodulation descrambler 202.
Fig. 4 illustrates the signal processing flow figure of the Digital Television demodulation descrambler 202 in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
The Digital Television intermediate-freuqncy signal converts digital signal to after A/D conversion 401, then by filter 402 filtering, obtain the digital band pass signal, channel demodulation 403 and deinterleaving and fec decoder 404 are finished channel demodulation, deinterleaving and the error correction to digital bandpass signal again, obtain the systematic bits stream of compound a plurality of channel digital television programs, again through channel demultiplexing 405, obtain the program bitstream of the selected television channel of terminal, again through 406 pairs of program bitstream descramblings of descrambling decoding and deciphering, realization condition receives, output program transport streams (TS).
Fig. 5 illustrates the detailed diagram of the embedded controller 203 in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.Fig. 6 illustrates an example of the program transport streams input interface in the embedded controller 203 of exemplary embodiment of the present invention.
Embedded controller 203 comprises as shown in Figure 5: consumer electronics interface 501, program transport streams input interface 502, FLASH503, SDRAM504, external memory 505, Ethernet interface 506, CPU 508, smart card 509, UART510, GPIO 511, IIC 512.
Embedded controller 203 major functions: receive the control command of the equipment of transmitting by the wireless routing module 204 of WiFi such as WiFi handheld device 107, WiFi TV 102 or WiFi computer 103, and respond; Multichannel tuner 201 and Digital Television demodulation descrambler 202 are realized control; The dateout of consumer electronics data processing module 206 and the program transport streams of Digital Television are packaged into the IP packet, and send to the wireless routing module 204 of WiFi; (control command of remote control equipment 160 arrives the HFC net through Internet to the control command of receiving remote controlling equipment 160, be transferred to embedded controller through cable modem and the wireless routing module of WIFI), and make respective response, as realizing the performance recording unloading.
Consumer electronics interface 501 is used for the computer interface data format of standard that the audio frequency and video transport stream of consumer electronics data processing module 206 output is converted to, and the type of interface can be ISA, PCMCIA, PCI, PCIe, USB or 1394 etc.In this exemplary embodiment, interface type adopts USB interface.
Program transport streams input interface 502 is mainly used in the computer interface data flow of standard that the digital television program transport stream is converted to, and interface type can be ISA, PCMCIA, PCI, PCIe, USB or 1394 etc.In this exemplary embodiment, use be four USB bridges, program transport streams is converted to the data flow of USB form.Also can pass through hardware multiplexing, realize the input of four tunnel program transport streams with one or two program transport streams input interface.
FLASH503 is a nonvolatile memory, be used for stored program, as boot, operating system, application program, also be used to store configuration data, status data, the control data of multichannel tuner 201, Digital Television demodulation descrambler 202, consumer electronics data processing module 206 and cable modem 205 etc.
SDRAM504 is used for program running and intermediate data is temporary.
CPU508 is 32 flush bonding processors, and this exemplary embodiment adopts the ARM9 processor.
Embedded controller 203 receives the control command of equipment such as WiFi handheld device 107, WiFi TV 102 or WiFi computer 103, realize multichannel tuner 201, Digital Television demodulation descrambler 202 are implemented control by GPIO or IIC interface, comprise channel selection, parameter setting, functional definition etc.
The program transport streams of Digital Television is converted to the USB formatted data by USB bridge 601, is packaged into the IP packet in real time by software, and is transmitted to the wireless routing module 204 of WiFi, is transmitted to counterpart terminal by the wireless routing module 204 of WiFi by antenna 207.
Embedded controller 203 can also receive family lan interior WiFi handheld device 107, WiFi TV 102 or WiFi computer 103 and the control command of remote control equipment 160, carries out the interior terminal of digital television program recording and family lan or the control of equipment.
Fig. 7 illustrates the embedded controller 203 of exemplary embodiment of the present invention and the control flow chart of WiFi TV 102 or 103 collaborative works of WiFi computer.
Enter wait state behind embedded controller 203 opening initializations, wait for the connection request of WiFi TV 102 or WiFi computer 103.WiFi TV 102 or WiFi computer 103 opening initializations enter function menu by remote controller or other control desk such as keyboard etc.
When WiFi TV 102 or WiFi computer 103 selected to see TV, terminal (102 or 103) will be instructed and will be transmitted to embedded controller 203 by the wireless routing module 204 of WiFi, embedded controller 203 receive instruction and judge be the TV request instruction after, enter TV requested operation flow process.It at first is the tuning passage of terminal distribution, if idle tuning passage is arranged, then be that it distributes a tuning passage automatically, and change the platform program of transferring over to, the accent platform instruction of receiving terminal, and by the channel tuner of IIC interface output channel selection control data to correspondence, embedded controller 203 is packaged into the IP packet with the TV programme transport stream that receives, and is transmitted to the requesting terminal by WiFi routing module 204; As do not have idle tuning passage, then the allocation table (comprising the television channel information that each tuning passage is receiving) with tuning passage sends to terminal, selects one of them passage by it, passive received television program.After requesting terminal (102 or 103) receives the TV programme transport stream, decompress through program demultiplexing, decoding, in terminal plays.By multithreading, embedded controller 203 can be simultaneously provides different TV programme for a plurality of WiFi TVs 102 or WiFi computer 103.
When WiFi TV 102 or WiFi computer 103 selected consumer electronics, terminal was issued embedded controller 203 with instruction, embedded controller 203 receive instruction and judge be the consumer electronics request instruction after, enter consumer electronics requested operation flow process.Embedded controller 203 receives control command and controls consumer-elcetronics devices, handles the audio, video data or the image data of consumer-elcetronics devices output, and is packaged into the IP packet, is transmitted to the requesting terminal by WiFi routing module 204 and antenna 207; After requesting terminal (102 or 103) received data code flow, decoding was play promptly and is decompressed through demultiplexing, decoding, in terminal plays.
When embedded controller 203 receives the performance recording request, check at first whether idle tuning passage is arranged, if having then use one of them tuning passage, carry out channel selection and program and store.If do not have idle tuning passage, then feed back to state information, end operation.
Fig. 8 is the detailed diagram of the wireless routing module 204 of WiFi.As shown in Figure 8, the wireless routing module 204 of WiFi comprises: four Ethernet interfaces 801, Ethernet interface 802, FLASH803, SDRAM804, WiFi network interface (802.11WLAN Radio) 805, CPU 806, UART interface 807 and a GPIO interface 808.
Four Ethernet interfaces 801 connect four Ethernet interfaces of embedded controller 203, be used to receive and dispatch the IP packet between routing module 204 and the embedded controller 203, also transmit the control command of WiFi handheld device 107, WiFi TV 102 or WiFi computer 103.
FLASH803 is a nonvolatile memory, is used for stored program, needs the program and the data of power down protection as boot, operating system, application program and configuration data etc.
SDRAM804 is used for the routing module program running and intermediate data is temporary.
CPU806 is 32 flush bonding processors, and this exemplary embodiment adopts 32 MIPS microprocessors.
GPI0808 is used for the state indication of power supply indication or embedded controller.
Fig. 9 illustrates the control flow chart of the wireless routing module 204 of WiFi in the family wireless interconnected broadcast base station of exemplary embodiment of the present invention.
Behind WiFi is wireless routing module 204 opening initializations, connect the Internet network by Ethernet interface 802, give the distributing IP address that accesses terminal in the family lan simultaneously, set up family lan, wait for the connection request of terminal subsequently, and request is judged.
When the WiFi device request Internet in the local area network (LAN) connected, WiFi is wireless, and routing module 204 was the routing channel of its foundation with cable modem 205.
When functions such as WiFi TV 102 in the local area network (LAN) or WiFi computer 103 request Digital Television, consumer electronics or performance recordings, WiFi is wireless, and routing module 204 is transmitted to embedded controller 203 with request.
During WiFi handheld device 107 other WiFi equipment of request visit, WiFi is wireless, and routing module 204 forwarding IP wrap to corresponding WiFi equipment; When WiFi handheld device 107 was controlled other non-WiFi equipment, WiFi is wireless, and routing module 204 was transmitted to embedded controller 203 with control command.
Figure 10 illustrates the network control in the family wireless interconnected broadcast system of exemplary embodiment of the present invention and the flow chart of management.
The network controlling equipment that relates in the exemplary embodiment of the present invention is WiFi handheld device 107 and remote control equipment 160, also can be other configuration Web browser networked devices;
The controlled device that relates in the exemplary embodiment of the present invention is WiFi TV 102, WiFi computer 103, WiFi audio amplifier 108, WiFi video camera 109, remote terminal 170, also can be the internet device of other configuration Web server;
After the initialization of network controlling equipment, insert the Internet, open any browser is browsed the control webpage of controlled device, implements remote control to controlled device by webpage.
Top description clearly show that the family wireless interconnected broadcast system of exemplary embodiment of the present invention passes through WiFi agreement WLAN (wireless local area network) of portion's structure within the family, and, realize the integration of three networks by the access of HFC net telecommunication service, CATV business and Network; Realize that by the mixer in WiFi wireless network, consumer electronics interface and the family wireless interconnection broadcast base station 3C of computer, communication and consumer electronics merges simultaneously.
Wire cable receiving digital television program be connected the Internet network, a plurality of WiFi TVs 102 or the WiFi computer 103 of realizing household internal receive different digital television programs simultaneously or connect the Internet net, and control the household consumption electronic equipment by the consumer electronics interface.
According to exemplary embodiment of the present invention, telecommunication network terminal or household internal terminal (107 or 102,103) can remote control of domestic wireless interconnected broadcast base stations 100, realize program recording storage.
According to exemplary embodiment of the present invention, the WiFi terminal equipment of household internal local area network (LAN) can be realized control or exchanges data by network in addition.
Just can receive radio broadcasting signal (as satellite digital broadcasting signal, terrestrial digital broadcasting signal) by in family wireless interconnected broadcast base station, increasing wireless tuning receiver module in addition.
In the exemplary embodiment of the present invention, connect the Internet net and adopt cable modem (being Cable Modem), coaxial cable (Cable) by cable TV inserts the Internet, also can adopt ADSL Modem, inserts the Internet by the line telecommunications telephone wire; The family that the sub-district broadband LAN is perhaps arranged can be directly connected to the broadband network incoming end Ethernet interface 802 of the wireless routing module 204 of WiFi, inserts the Internet by the sub-district broadband LAN.
In the exemplary embodiment of the present invention, embedded controller 203 and WiFi are wireless, and routing module 204 has used two independent CPUs processors, as adopt high performance single core processor or multi-core processor, also embedded controller 203 and the wireless routing module 204 of WiFi can be merged, realize with a CPU processor.
Family wireless interconnected broadcast base station 100 can be handled a plurality of connection requests simultaneously, also can handle multiple connection request simultaneously, other several WiFi TV 102 or WiFi computer 103 are being surfed the Net or are being seen the DVD dish as having several WiFi TVs 102 or WiFi computer 103 to see TV simultaneously.
Family wireless interconnected broadcast base station 100 can also receive the Long-distance Control of Internet.The user lands family wireless interconnected broadcast base station 100 by remote I nternet network, carries out digital television program recording and terminal in the family lan or equipment are controlled.
The subscriber authentication agreement of 802.11X is adopted in the subscriber authentication that this family wireless interconnected broadcast system wireless inserts, encrypted transmission is all adopted in data between family wireless interconnected broadcast base station 100 and WiFi TV 102 or the WiFi computer 103 (comprising video code flow, network data, control data etc.) transmission, and its cryptographic protocol adopts 802.11 cryptographic protocol.
Though shown exemplary embodiments more of the present invention above, but it should be appreciated by those skilled in the art that, under the situation that does not break away from principle of the present invention or spirit, can make a change these exemplary embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a family wireless interconnected broadcast base station is characterized in that comprising: multichannel tuner, a plurality of Digital Television demodulation descrambler, embedded controller, the wireless routing module of WiFi, antenna; Digital television signal through the coaxial cable transmission is processed into intermediate-freuqncy signal through the multichannel tuner, intermediate-freuqncy signal is processed into program transport streams through Digital Television demodulation descrambler, the program transmission embedded controller of flowing through converts the computer interface data of standard to and is packaged into the IP packet, and the IP packet is transmitted to corresponding wireless terminal by the wireless routing module of WiFi through antenna;
Also comprise the consumer electronics data processing module, the signal of consumer-elcetronics devices output converts the audio frequency and video transport stream to after the consumer electronics data processing module is handled; Described embedded controller comprises the consumer electronics interface, is used for the computer interface data format of standard that the audio frequency and video transport stream of consumer electronics data processing module output is converted to; The GPIO of described embedded controller links to each other with the consumer electronics data processing module with IIC, is used for the signal of control consumer electronics is transferred to the consumer electronics data processing module;
Also comprise the cable modem that links to each other with coaxial cable, the modulation and demodulation that are used for the IP packet are handled; The wireless routing module of described WiFi comprises the Ethernet interface that links to each other with cable modem; The GPIO of embedded controller links to each other with cable modem with IIC.
2. family wireless interconnected broadcast base station according to claim 1, it is characterized in that described multichannel tuner comprises crystal oscillator and control interface, each passage comprises a variable gain controller, a frequency mixer, a filter and a pll controller, all pll controllers all link to each other with control interface with crystal oscillator, control interface receives each pll controller of corresponding control behind the control data, the local oscillated signal of exporting with pll controller in frequency mixer behind the variable gain controller through the digital television signal of coaxial cable transmission carries out mixing, then output Digital Television intermediate-freuqncy signal behind filter filtering.
3. family wireless interconnected broadcast base station according to claim 2, it is characterized in that data handling procedure is as follows in the described Digital Television demodulation descrambler: the Digital Television intermediate-freuqncy signal converts digital signal to through A/D, then by filter filtering, obtain the digital band pass signal, the channel demodulation interweaves and fec decoder is finished channel demodulation to digital bandpass signal again, deinterleaving and error correction, obtain the systematic bits stream of compound a plurality of channel digital television programs, again through the channel demultiplexing, obtain the program bitstream of the selected television channel of terminal, decode to program bitstream descrambling and deciphering through descrambling again, realization condition receives, the output program transport streams.
4. family wireless interconnected broadcast base station according to claim 3 is characterized in that described embedded controller comprises CPU, the FLASH that links to each other with CPU, SDRAM, smart card, UART, GPIO, IIC and a plurality of program transport streams input interface and a plurality of Ethernet interface; The program transmission program transport streams input interface of flowing through is converted to the computer interface data flow of standard, is packaged into the IP packet through CPU then, is transferred to the wireless routing module of WiFi through Ethernet interface again; Described FLASH is used for stored program and data, and described program comprises boot, operating system, application program, and described data comprise configuration data, status data, control data; Described SDRAM is used for program running and intermediate data is temporary; Described smart card is used to read user profile, and realization condition receives; Described UART is used for debugging and firmware update; Described GPIO is connected multichannel tuner, Digital Television demodulation descrambler with IIC, be used to transmit control command and state information.
5. family wireless interconnected broadcast base station according to claim 4 is characterized in that described program transport streams input interface is the USB bridge, is used for program transport streams is converted to the USB formatted data.
6. family wireless interconnected broadcast base station according to claim 4 is characterized in that described embedded controller also comprises external memory, is used to store massive video data or picture.
7. according to claim 4 or 5 or 6 described family wireless interconnected broadcast base stations, it is characterized in that the wireless routing module of described WiFi comprise with embedded controller in the corresponding a plurality of Ethernet interfaces of Ethernet interface, be used to receive and dispatch and embedded controller between the IP packet, and the control command of transmitting wireless terminal; The wireless routing module of described WiFi also comprises the FLASH that is used for stored program and data, is used for wireless routing module program running of WiFi and the temporary SDRAM of intermediate data; The wireless routing module of described WiFi also comprises the WiFi network interface, and the radiofrequency signal of WiFi network interface is given corresponding terminal through antenna transmission; The wireless routing module of described WiFi also comprises the UART that is used to debug with firmware update, also comprises the GPIO of the state indication that is used for power supply indication or embedded controller.
8. family wireless interconnected broadcast base station according to claim 7, it is characterized in that also comprising the mixer that links to each other with coaxial cable, be used for the radiofrequency signal of the telecommunication service of the radiofrequency signal of the wireless routing module of described WiFi and coaxial cable transmission syntheticly, give corresponding terminal through antenna transmission then; In addition, the WiFi radiofrequency signal that also is used for antenna is received is separated with the telecommunications radiofrequency signal, is transferred to wireless routing module of WiFi and coaxial cable respectively.
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| CN2008100278929A CN101272325B (en) | 2008-05-06 | 2008-05-06 | Family wireless interconnected broadcast base station |
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| CN2008100278929A CN101272325B (en) | 2008-05-06 | 2008-05-06 | Family wireless interconnected broadcast base station |
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| CN101272325A CN101272325A (en) | 2008-09-24 |
| CN101272325B true CN101272325B (en) | 2010-10-13 |
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| CN2008100278929A Expired - Fee Related CN101272325B (en) | 2008-05-06 | 2008-05-06 | Family wireless interconnected broadcast base station |
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Families Citing this family (38)
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|---|---|---|---|---|
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| CN104683879A (en) * | 2015-02-10 | 2015-06-03 | 东南和创（厦门）电梯安全科技有限公司 | Information access networking system based on integration of three networks |
| CN106034258A (en) * | 2015-03-13 | 2016-10-19 | 杭州云链网络技术有限公司 | Router and broadcasting method for multipath broadcast digital television signals |
| CN104936013A (en) * | 2015-04-30 | 2015-09-23 | 南京卓清电子科技有限公司 | Multi-network integration apparatus and operating method thereof |
| CN105100846A (en) * | 2015-09-02 | 2015-11-25 | 帕诺迪电器（深圳）有限公司 | One-to-two high-definition sharing household multimedia intelligent terminal |
| CN105516789A (en) * | 2015-12-31 | 2016-04-20 | 武汉亿播科技有限公司 | Data-sharing system and method based on set top box |
| CN105657501B (en) * | 2016-01-28 | 2019-05-28 | 深圳国微技术有限公司 | A kind of digital TV direct system and method |
| CN108832982A (en) * | 2018-05-30 | 2018-11-16 | 毛述春 | A kind of time-frequency distributions modulator approach for base station signal |
| CN108770082A (en) * | 2018-05-30 | 2018-11-06 | 毛述春 | Communication base station based on Smoothing Pseudo Winger-Ville distributions and optimum time frequency distribution |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039146A (en) * | 2007-05-15 | 2007-09-19 | 中兴通讯股份有限公司 | Apparatus and method for empty clock synchronization of wireless mobile communication system base station |
-
2008
- 2008-05-06 CN CN2008100278929A patent/CN101272325B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039146A (en) * | 2007-05-15 | 2007-09-19 | 中兴通讯股份有限公司 | Apparatus and method for empty clock synchronization of wireless mobile communication system base station |
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