CN103401891A - General wired/wireless network system - Google Patents
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- CN103401891A CN103401891A CN2013102559608A CN201310255960A CN103401891A CN 103401891 A CN103401891 A CN 103401891A CN 2013102559608 A CN2013102559608 A CN 2013102559608A CN 201310255960 A CN201310255960 A CN 201310255960A CN 103401891 A CN103401891 A CN 103401891A
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Abstract
The invention discloses a general wired/wireless network system which comprises an application domain, a bearer network domain, a wireless input domain and a user terminal domain. The application domain is positioned above the bearing network domain, the bearer network connects the application domain with the wireless input domain, and the wireless input domain is positioned between the bearer network domain and the user terminal domain. The system improves frequency and efficiency and increases the channel capacity, QoS (Quality of Service) control of wireless network, terminal compatibility and support for wireless access of mobile/fixed users are realized, and the requirement of safe reliable voice, Internet, radio, television, intelligent control, Internet of things, cloud application and the like is realized under OLOS and NLOS conditions, and customized service, and the everywhere every time consumption manner of the television, Internet and intelligent business are satisfied.
Description
Technical field
The present invention relates to the information data transmission technology, particularly a kind of network technology of carrying various integrated services.
Background technology
Along with the continuous quickening of IT application to our society process and the substance of the integration of three networks advance, the user constantly increases the demand of the integrated services such as voice, the Internet, radio and television and Based Intelligent Control, Internet of Things and cloud computing application, and the consumption pattern of satisfying personalized service and Everywhere, Every time had become main flow already.
in the past few years, network technology has had significant progress, communication network, the 3G mobile network, broadcasting and television network is according to traditional business model, and the terminal (mobile phone by privatization, video telephone set, the online cat, the IPTV set-top box, digital TV set-top box) variation that has met the market demand of part, although Fiber to the home for telecommunications, the Two-way transformation of broadcasting and TV and 4G network have started planning to be disposed, but this service remains discrete, low-level, cost is high and complicated, be difficult to meet the market demand of continuous conversion, be unfavorable for the propelling of informatization and the integration of three networks.
Trace sth. to its source, be lack at present one both merges telecommunication broadcasting and TV technology, in one, can carry various integrated services, meet individual requirements, advanced technology again, the less investment output is high, is convenient to the network technology of promotion and implementation.
Summary of the invention
The present invention is directed to that existing fiber is registered one's residence (FTTH), the optical fiber of Cable Modem/coaxial hybrid network (HFC), the various high bitrate digital subscriber lines (xDSL) based on copper twisted pair cable, direct broadcast satellite system (DBS), 3G etc. have high input, cover the defects such as the scope of application is narrow, operating cost is high, and a kind of general wire and wireless net system is provided.This system improves frequency efficiency and increases channel capacity, wireless network QoS controls, terminal transparency and support are mobile, the fixed-line subscriber wireless access technology, and realize that sighting distance intercepts the demand of the integrated services such as voice, the Internet, radio and television and Based Intelligent Control, Internet of Things and cloud application safe and reliable under (OLOS) and non line of sight (NLOS) condition, the consumption pattern of satisfying personalized service and TV, the Internet and IN service Everywhere, Every time.
In order to achieve the above object, the present invention adopts following technical scheme:
General wire and wireless net system, described system comprise application domain, bearer network territory, wireless access territory and user terminal territory four major parts;
Described application domain is positioned on the bearer network territory, is the soft and hardware cluster that in general wire and wireless net, miscellaneous service is realized;
Described bearer network territory connects application domain and wireless access territory, between both; From OSI and TCP/IP reference model structure, in described bearer network territory: 1) in physical layer, comprise synchronizable optical transmission and hfc plant; 2) comprise the series of protocols stacks such as MAC at link layer; 3) comprise TCP/IP, DVB-C, network resource management control, safety etc. in transport layer; 4) application layer comprises based on HTTP, RTP (MPEG, H.264), DNS etc.; 5) network resource management is controlled; 6) authentication, Authentication and encryption;
Described wireless access territory between bearer network territory and user terminal territory, is comprised of base station and IAD, and wherein base station is divided into broadcast base station and data basestation; Described broadcast base station is followed the Broadcasting/Multicasting/UDP.RTP.IP technical standard; Described data basestation is followed the technical standards such as TCP/IP, UDP/IP, IMCDN/Pere to pere;
Described user terminal territory is fixing, mobile terminal.
In preferred embodiment of the present invention, described application domain mainly comprises radio and television and professional video business; The Internet access; Speech communication; Internet of Things perception access and transmission; CMMB is mutual.
Further, the transmission network element is mainly carried by the backbone and core network element forms in described bearer network territory.
Further, described wireless access territory mainly is comprised of wireless access network element, base station and IAD.
System provided by the invention can be carried broadcasting and the various integrated services such as professional video business, Internet access business, voice communication service, Internet of Things perception access and transport service.Meeting communications industry provides the requirement of obligatory infrastructure service, public welfare paid service, variation, personalization market service.Native system has both been broken through at present merges telecommunication broadcasting and TV technology in one, be convenient to again the npt difficult problem of promotion and implementation, realized both meeting individual requirements, can extensively cover urban and rural areas again, the less investment output is high, can carry various integrated services, be convenient to the network technology of promotion and implementation.Realizing strengthening the Public Culture Service Facilities Construction, overall planning and construction basic unit Public Culture Service facility, improve in the covering of town and country and have obvious technical advantage.
Description of drawings
Further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is wireless access network element and functional block diagram in the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand,, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, general wire and wireless net network system provided by the invention comprises application domain 100, bearer network territory 200, wireless access territory 300 and user terminal territory 400 4 major parts.
Wherein, application domain 100 is positioned on bearer network territory 200, is the soft and hardware cluster that general wire and wireless net miscellaneous service is realized.Main functional modules comprises: 1) integrated, the transcoding of entity and virtual video content, injection.2) interconnection path is by, exchange and buffer memory.3) mutual resource coding, storage and distribution.4) value-added service carrying and management.5) the content resource management is controlled.6) the pre-scrambling of BOSS and content.
Integrated, the transcoding of entity and virtual video content, injection: third party's video,, as the video content that TV station, outsourcing, associate organization's exchange etc. are come, by this system, complete transcoding, encapsulation, make it to meet system and broadcast needs.
Interconnection path is by, exchange, buffer memory: the generation of any one program request behavior, all can take certain bandwidth, and system is at the beginning of design, just consider the generation of multiple situation, certain buffer zone is set, makes the program request behavior smooth, be unlikely to pause, the phenomenon such as mosaic.
Mutual resource coding, storage, distribution: the contents such as video all need storage, in this process because various video formats are arranged, need minute the storing of other class, also to release for the program request needs to video servers such as VSS simultaneously.
The value-added service carrying: the business that application domain runs above, more and more in the future, thus must consider the service bearer ability that setting is certain, otherwise system just can't bear the heavy load.
Content resource management is controlled: after content is published to system by a plurality of steps of front, system will be held thousands of video, must need a cover management system this moment, allow each video in order, can inquire about.
The pre-scrambling of BOSS and content: how system obtains user identity, and this need to obtain with the BOSS communication, and content is not that anyone can watch simultaneously, can be controlled by cryptographic means.
Thus, the application domain group is mainly by radio and television and professional video business; The Internet access; Speech communication; Internet of Things perception access and transmission; CMMB waits functional unit to form alternately.
Wherein, radio and television and professional video business comprise:
Live telecast;
Interactive TV:
A. review/time shift;
B. program request;
C. the zone, community information;
Payment;
The services (high quality video-photograph service) such as other geography information, meteorology, tele-medicine education, TV news passback, monitoring, military affairs
The Internet access comprises:
Web page browsing;
Mail transmission/reception;
Download is uploaded;
OTT；
Speech communication: mobile cluster phone, fax;
Net networking perception access and transmission: supports active, passive RFID, 2 dimension codes, bar code data automatically, the artificial collection, multiple sensors information with meet M-bus interface intelligent electric appliance and refute and connect transmission.
CMMB is mutual:, for CMMB provides up link, realize that the interactive service under mobile status is carried out.
Bearer network territory 200, it is used for connecting application domain 100 and wireless access territory 300, between both.From OSI and TCP/IP reference model structure, it has following features: 1) in physical layer, comprise synchronizable optical transmission and hfc plant.2) comprise the series of protocols stacks such as MAC at link layer.3) comprise TCP/IP, DVB-C, network resource management control, safety etc. in transport layer.4) application layer comprises based on HTTP, RTP (MPEG, H.264), DNS etc.5) network resource management is controlled.6) authentication, Authentication and encryption.
Wherein, comprise synchronizable optical transmission and hfc plant in physical layer: physical medium needs for transferring content.
Link layer comprises the series of protocols stacks such as MAC: link layer need to encapsulate MAC Address;
Transport layer comprises that TCP/IP, DVB-C, network resource management are controlled, safety: transmission protocol layer, meet the host-host protocols such as standard TCP/IP, and only in this way, any one program request behavior just can be completed, and is all the TCP/IP communication modes.
HTTP, RTP (MPEG, H.264), DNS: the protocol stack of standard will be supported, otherwise system can't be moved.
Network resource management is controlled: in the contents such as video are transmitted on physical medium process, need to be controlled, make it not offset track
Authentication, Authentication and encryption: in the contents such as video are transmitted on physical medium process, have cryptographic means etc. to be controlled, be unlikely to divulge a secret.
Thus, the bearer network territory is mainly carried transmission network element and core network element by the backbone and is formed.
1, key carrying transmission network element comprises following content:
(1) fiber optic network networking topology: the fiber optic network between backbone equipment, each base station, data platform and application platform adopts the Loop Protection topological structure.
(2) network element is described
1) except radio and TV operator's tradition direct broadcast band, the whole IPization of all videoconferencing services;
2) transportation level comprises backbond layer, metropolitan area transport layer, aggregate transmission layer three part;
3) backbond layer mainly refer to ,Zhou He city, province Dao Ge city, state to the jurisdiction county, district, town, township; Transmission technology can be OTN, DWDM, IP;
4) the metropolitan area transmission refers to that mainly the central station in a city converges the transmission of station or BBS/DSB/AGW website to minute machine room or section; Transmission technology can be OTN, PTN, MSTP, IP, HFC;
5) converging the host will refer to divide from a city machine room or section to converge the transmission to the terminal use of station or BBS/DSB/AGW website; Transmission technology can be DVB-C/T, IP, MSTP;
6) home network: the wire/wireless signal that provides by family's many networks routing gateway (having the WIFI function) reception Access Network provides signal to various home terminals (television set, desktop computer, notebook computer, smart mobile phone, panel computer etc.);
7) agreement: ICP/IP protocol, OTN by G.872, G.709, G.798 wait a new generation's " digital transmission system " and " optical transport hierarchy " of the suggestion institute standard of a series of ITU-T;
(1) the key core layer of transmission system OTN/SDH transmission network adopts OTN interconnected.Can adopt between base station and base station/MSTP/MSAP/PTN carries out interconnected;
(2) physical interface O/I.
2, core network element comprises:
(1) core network element framework;
(2) network configuration and function.
1) live subsystem network element and function
2) VOD subsystem network element and function
3) data subsystem network element and function
Other subsystems: as the value-added service group, third party's business.
(3) main agreement:
Inject in real time agreement;
The transcoding tunneling;
BO and the disconnected agreement of intelligence system;
The IP translation-protocol.
Wireless access territory 300, it is the territory of the most critical of native system between network domains and user terminal territory.Be comprised of base station (BS) and IAD (AGW), wherein BS is divided into broadcasting BS (BBS) and data BS (DBS).BBS follows the Broadcasting/Multicasting/UDP.RTP.IP technical standard.BBS follows TCP/IP; UDP/IP; The technical standards such as IMCDN/Pere to pere.Major function: 1) provide air interface.2) mobile management, access, Bearer Control, allocation of radio resources.3) switching.4) authentication and terminal management (as power management etc.).5) phy interface etc.
Wherein, air interface: the invisible bridge of wireless domains is provided, makes AB can shake hands successfully between the two.
Access, Bearer Control, allocation of radio resources: the work such as the control of the video that access is come in, distribution passage are completed.
Switching between multiple physical network, as PAD screen, PC screen, Mobile phone screen, set-top box screen etc.
Authentication and terminal management: the checking of the multiple screen user identity that access is come in, only having could program request by the user after checking.
Phy interface: system possesses phy interface, and convenient multiple screen accesses into.
The wireless access territory mainly forms (as shown in Figure 2) by wireless access network element, base station and IAD thus.
1, wireless access network element and functional structure
Interface is described:
R1, namely air interface is the interface between SS/MSS/STB;
R2, between user terminal and core net, interface is interface between SS/MSS/STB and CN;
R3, between IAD and core net, interface is interface between AGW and CN;
R4, between different Access Networks, interface is interface between different ASN;
R5, interface between ownership CN and access CN;
R6, interface between interface SB and AGW between base station and IAD.
2, BS and AGW
An AGW and a plurality of DBS are continuous; The continuous a plurality of AGW of DBS; Mutually be continuously the Mesh shape between DBS.
(1) machine station: by transceiver, Base-Band Processing, AGW interface and base station controlling composition.Major function: the air interface with MS is provided, the modem-channel encoding and decoding, base band and radio frequency conversion etc., wherein BBS is broadcast mode.
1) chnnel coding
In order to improve the carrying of channel code stream, make it to greatest extent near Shannon MR=Blog2 (1+n/s) value, adopt the LDPC coding or adopt the Turbo coding.
2) modulation: according to the LTE proposed projects, the TDD UL/DL-SCDMA suggestion modulation system that proposes with reference to Datang is OFDM+IOTA.The wavelet that is about to 15KHZ adopts the OFDM-QAM modulation, with the orthogonal transform of the IOTA(same sex) filter keeps its orthogonality.Basic process: at first FEC Frame frame is mapped on constellation, then forms physical layer frame (PLFrame), finally it is modulated on radio frequency, its process is a DAC process.
3) demodulation: be the reversion process of modulation.
4) radio frequency and emission:
Modulation signal is through input CP and long CP(duration 4.7,16.7us) after, complete CP and RF conversion through DAC, enter emission through frequency conversion.
5) radio frequency and reception: receive signal after the ADC conversion, enter the clock timing Frequency Synchronization and go the CP process, then enter demodulation.
6) transmission: downlink OFDMA, up QPSK, BPSK
7) network layer technology: mainly comprise
L1: physical layer: air interface, Adaptive Modulation and Coding and L2 service primitive agreement, HARQ(FEC+ARQ) error control, Cell searching, area interference is eliminated and is comprised interference randomization (interlacing multi-address, frequency hopping); Disturb and eliminate (the many antenna receptions of MS, detect/subtract each other elimination); (Power Limitation, T/F territory resource is controlled) avoided in coordination.
L2: link layer: comprise MAC(medium Access Layer agreement); RLC(wireless link layer protocol).
（2）AGW：
By MME, SGW, PGW and IMCDN form.Major function: carry out the ms mobile management, service and packet data gateway are provided, for BBS provides the storage of TV programme resource edge and dispatching management.
1) MME(mobile management entity)
Native system is in mobile management, comparatively simple with respect to mobile phone, because the services such as native system data and program request can be seen virtual fixed-node as, only MS is mobile node, its moving processes is half of mobile phone moving processes, only set MS is carried out the geographical position detection, and according to its geographical location information, by RRC, control route.Agreement is L3:MM and CM protocol stack.If system needs the carrying mobile telephone service, increase the HLR/VLR server, mobility is done the two process management.
2) SGW:(gateway)
Be responsible for MS request streaming media service access.Carry out H.239 HTTP/TCP/RTSP, RTP/UDP, the agreements such as MPLS.
3) PGW(packet data gateway)
Be also packet data gateway (Packet Data Switching Gataway).Carrying out PDCP/BMC(broadcasting/multidrop channel controls) agreement.Be responsible for the packet switching and routing.
4) IMCDNN(IP content of multimedia distribution network node)
Be responsible for the edge matchmaker and provide storage, distribution management.Protocol stack is seen the VOD terrace part.
(3) carrier wave is balanced: adopt OFDM wavelet equalization technology, to solve because of not enough intersymbol interference and the inter-carrier interference that causes in protection interval; The interference that antagonism causes with antenna.
(4) MIMO technology
The machine station adopts beam forming wireless, and 4 * 2,4 * 4.
(5) frequency configuration/carrier bandwidths configuration/rate configuration
a)F:DBS=2.5—5.7GHz?BBS=700-860;20—40GHz
CBW(carrier?bandwidth)=10-30MHz
B) Rate:DBS: descending 100Mbit/s; Up 50-22Mbit/s moves the descending intelligence of internet and takes into account the VOD plug-flow, up internet and VOD request BBS=155Mbit/s-155*2Mbit/s; SD=2Mbit/s*24; HD=8Mbit/s*4; 3D=15Mbit/s*1.All the other are VOD and the Internet download passage.
(6) monitoring and safety management;
(7) base station networking topology.
User terminal territory 400 specifically is comprised of fixing, mobile terminal, comprises STB/SS/MS etc.
Based on above-mentioned principle, the specific embodiment of the invention scheme is as follows:
Application domain
Radio and television and professional video business comprise:
Live telecast;
Interactive TV
A. review/time shift;
B. program request;
C. the zone, community information;
Payment;
The services (high quality video-photograph service) such as other geography information, meteorology, tele-medicine education, TV news passback, monitoring, military affairs
The Internet access comprises:
Web page browsing;
Mail transmission/reception;
Download is uploaded;
OTT；
Speech communication: mobile cluster phone, fax;
Net networking perception access and transmission: supports active, passive RFID, 2 dimension codes, bar code data automatically, the artificial collection, multiple sensors information with meet M-bus interface intelligent electric appliance and refute and connect transmission.
CMMB is mutual:, for CMMB provides up link, realize that the interactive service under mobile status is carried out.
The bearer network territory
1, key carrying transmission network element
(1) fiber optic network between fiber optic network networking topology backbone equipment, each base station, data platform and application platform adopts the Loop Protection topological structure.
(2) network element is described
1) except radio and TV operator's tradition direct broadcast band, the whole IPization of all videoconferencing services;
2) transportation level comprises backbond layer, metropolitan area transport layer, aggregate transmission layer three part;
3) backbond layer mainly refer to ,Zhou He city, province Dao Ge city, state to the jurisdiction county, district, town, township.Transmission technology can be OTN, DWDM, IP;
4) the metropolitan area transmission refers to that mainly the central station in a city converges the transmission of station or BBS/DSB/AGW website to minute machine room or section.Transmission technology can be OTN, PTN, MSTP, IP, HFC;
5) converging the host will refer to divide from a city machine room or section to converge the transmission to the terminal use of station or BBS/DSB/AGW website.Transmission technology can be DVB-C/T, IP, MSTP;
6) home network: the wire/wireless signal that provides by family's many networks routing gateway (having the WIFI function) reception Access Network provides signal to various home terminals (television set, desktop computer, notebook computer, smart mobile phone, panel computer etc.);
7) agreement: ICP/IP protocol, OTN by G.872, G.709, G.798 wait a new generation's " digital transmission system " and " optical transport hierarchy " of the suggestion institute standard of a series of ITU-T.
(1) the key core layer of transmission system OTN/SDH transmission network adopts OTN interconnected.Can adopt between base station and base station/MSTP/MSAP/PTN carries out interconnected.
(2) physical interface O/I
2, core network element
(1) core network element framework
(2) network configuration and function
1) live subsystem network element and function
2) VOD subsystem network element and function
3) data subsystem network element and function
Other subsystems: as the value-added service group, third party's business
(3) main agreement:
Inject in real time agreement
The transcoding tunneling
BO and the disconnected agreement of intelligence system
The IP translation-protocol
The wireless access territory
1, wireless access network element and functional structure
Interface is described:
R1 is that air interface is the interface between SS/MSS/STB
Between R2 user terminal and core net, interface is interface between SS/MSS/STB and CN
Between R3 IAD and core net, interface is interface between AGW and CN
Between the different Access Networks of R4, interface is interface between different ASN
Interface between R5 ownership CN and access CN
Interface between interface SB and AGW between R6 base station and IAD
2, BS and AGW
An AGW and a plurality of DBS are continuous; The continuous a plurality of AGW of DBS; Mutually be continuously the Mesh shape between DBS.
(1) machine station: by transceiver, Base-Band Processing, AGW interface and base station controlling composition.Major function: the air interface with MS is provided, the modem-channel encoding and decoding, base band and radio frequency conversion etc., wherein BBS is broadcast mode.
1) chnnel coding
In order to improve the carrying of channel code stream, make it to greatest extent near Shannon MR=Blog2 (1+n/s) value, adopt the LDPC coding.
Perhaps adopt the Turbo coding.
2) modulation: according to the LTE proposed projects, the TDD UL/DL-SCDMA suggestion modulation system that proposes with reference to Datang is OFDM+IOTA.The wavelet that is about to 15KHZ adopts the OFDM-QAM modulation, with the orthogonal transform of the IOTA(same sex) filter keeps its orthogonality.Basic process: at first FEC Frame frame is mapped on constellation, then forms physical layer frame (PLFrame), finally it is modulated on radio frequency, its process is a DAC process.
3) demodulation: be the reversion process of modulation.
4) radio frequency and emission:
Modulation signal is through input CP and long CP(duration 4.7,16.7us) after, complete CP and RF conversion through DAC, enter emission through frequency conversion.
5) radio frequency and reception: receive signal after the ADC conversion, enter the clock timing Frequency Synchronization and go the CP process, then enter demodulation.
6) transmission: downlink OFDMA, up QPSK, BPSK
7) network layer technology: mainly comprise
L1: physical layer: air interface, Adaptive Modulation and Coding and L2 service primitive agreement, HARQ(FEC+ARQ) error control, Cell searching, area interference is eliminated and is comprised interference randomization (interlacing multi-address, frequency hopping); Disturb and eliminate (the many antenna receptions of MS, detect/subtract each other elimination); (Power Limitation, T/F territory resource is controlled) avoided in coordination.
L2: link layer: comprise MAC(medium Access Layer agreement); RLC(wireless link layer protocol).
（2）AGW：
By MME, SGW, PGW and IMCDN form.Major function: carry out the ms mobile management, service and packet data gateway are provided, for BBS provides the storage of TV programme resource edge and dispatching management.
1) MME(mobile management entity)
Native system is in mobile management, comparatively simple with respect to mobile phone, because the services such as native system data and program request can be seen virtual fixed-node as, only MS is mobile node, its moving processes is half of mobile phone moving processes, only set MS is carried out the geographical position detection, and according to its geographical location information, by RRC, control route.Agreement is L3:MM and CM protocol stack.If system needs the carrying mobile telephone service, increase the HLR/VLR server, mobility is done the two process management.
2) SGW:(gateway)
Be responsible for MS request streaming media service access.Carry out H.239 HTTP/TCP/RTSP, RTP/UDP, the agreements such as MPLS.
3) PGW(packet data gateway)
Be also packet data gateway (Packet Data Switching Gataway).Carrying out PDCP/BMC(broadcasting/multidrop channel controls) agreement.Be responsible for the packet switching and routing.
4) IMCDNN(IP content of multimedia distribution network node)
Be responsible for the edge matchmaker and provide storage, distribution management.Protocol stack is seen the VOD terrace part.
(3) carrier wave is balanced: adopt OFDM wavelet equalization technology, to solve because of not enough intersymbol interference and the inter-carrier interference that causes in protection interval; The interference that antagonism causes with antenna.
(4) MIMO technology
The machine station adopts beam forming wireless, and 4 * 2,4 * 4.
(5) frequency configuration/carrier bandwidths configuration/rate configuration
a)F:DBS=2.5—5.7GHz?BBS=700-860;20—40GHz
CBW(carrier?bandwidth)=10-30MHz
B) Rate:DBS: descending 100Mbit/s; Up 50-22Mbit/s moves the descending intelligence of internet and takes into account the VOD plug-flow, up internet and VOD request BBS=155Mbit/s-155*2Mbit/s; SD=2Mbit/s*24; HD=8Mbit/s*4; 3D=15Mbit/s*1.All the other are VOD and the Internet download passage.
(6) monitoring and safety management.
(7) base station networking topology.
Hence one can see that, and specific embodiments provided by the invention has following advantage:
The one, optimization frequency, adopt the MIMO MIMO technique, improves capacity, the frequency resource utilance of channel, also can improve the reliability of channel simultaneously, reduces the error rate;
The 2nd, adopt advanced COFDM modulation technique, improve wireless transmission and wear barrier around barrier ability and anti-multipath fading ability;
The 3rd, adopt high-performance advanced encoder technology, reduce effective transmission speed, with digital technology such as advanced person's channel coding/decoding are multiplexing to improve antijamming capability;
The 4th, advanced switching, tunneling technique, receive to solve better terminal mobility;
The 5th, follow international standard, use for reference 4G, WiMAX, WiFi radio network technique, realize the transmitted in both directions of the broadcasting of U section, LMDS, MMDS signal; Adopt asymmetry across the design of the frequency binary channels network architecture, make network have stronger television broadcasting, the Internet, speech and the service bearer abilities such as VOD video request program, Intelligent Service; The 6th, dual-mode antenna, adopt high performance smart antenna, diversity technique, improves transmitting-receiving S/N, antagonism channel fading, increase capacity.The 7th, many networks routing gateway and terminal transparency.
This programme takes full advantage of radioed advantage, repeatedly frequency conversion in wearing barrier, access, transmitting all links, modulation, take All digital systems, integrate wireless transmission transmitting-receiving bidirectional, apply the standard transmission system, adopted the advanced forward position specific techniques such as QPSK, QAM and COFDM modulation system and Turbo, Concatenated Code, LDPC digital source chnnel coding compress technique and space diversity reception.Solve well digital data transmission route multipath reflection and transmission route barrier and blocked the puzzlement that brings, no matter under indoor, outdoor non line of sight transmission environment, can both realize the transmitted in both directions of the Large Volume Data transmission broadband integrated service of speech, data and image.
Above demonstration and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. general wire and wireless net system, is characterized in that, described system comprises application domain, bearer network territory, wireless access territory and user terminal territory four major parts;
Described application domain is positioned on the bearer network territory, is the soft and hardware cluster that in general wire and wireless net, miscellaneous service is realized;
Described bearer network territory connects application domain and wireless access territory, between both; From OSI and TCP/IP reference model structure, in described bearer network territory: 1) in physical layer, comprise synchronizable optical transmission and hfc plant; 2) comprise the series of protocols stacks such as MAC at link layer; 3) comprise TCP/IP, DVB-C, network resource management control, safety etc. in transport layer; 4) application layer comprises based on HTTP, RTP (MPEG, H.264), DNS etc.; 5) network resource management is controlled; 6) authentication, Authentication and encryption;
Described wireless access territory between bearer network territory and user terminal territory, is comprised of base station and IAD, and wherein base station is divided into broadcast base station and data basestation; Described broadcast base station is followed the Broadcasting/Multicasting/UDP.RTP.IP technical standard; Described data basestation is followed the technical standards such as TCP/IP, UDP/IP, IMCDN/Pere to pere;
Described user terminal territory is fixing, mobile terminal.
2. general wire and wireless net system according to claim 1, is characterized in that, described application domain mainly comprises radio and television and professional video business; The Internet access; Speech communication; Internet of Things perception access and transmission; CMMB is mutual.
3. general wire and wireless net system according to claim 1, is characterized in that, described bearer network territory mainly by the backbone, carries the transmission network element and core network element forms.
4. general wire and wireless net system according to claim 1, is characterized in that, described wireless access territory mainly is comprised of wireless access network element, base station and IAD.
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| CN2013102559608A CN103401891A (en) | 2013-06-25 | 2013-06-25 | General wired/wireless network system |
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|---|---|---|---|
| CN2013102559608A CN103401891A (en) | 2013-06-25 | 2013-06-25 | General wired/wireless network system |
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| CN103401891A true CN103401891A (en) | 2013-11-20 |
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| CN2013102559608A Pending CN103401891A (en) | 2013-06-25 | 2013-06-25 | General wired/wireless network system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469426A (en) * | 2014-12-01 | 2015-03-25 | 中国联合网络通信集团有限公司 | Scheduling method and system for multi-media video-on-demand content |
| CN105915327A (en) * | 2015-02-23 | 2016-08-31 | 瑞萨电子株式会社 | BMC processing circuit, USB power delivery controller and BMC reception method |
| CN108063703A (en) * | 2017-10-25 | 2018-05-22 | 合肥润东通信科技股份有限公司 | A kind of intelligent home system based on CHINA RFTCOM Co Ltd |
| CN108111792A (en) * | 2017-12-22 | 2018-06-01 | 杭州初灵信息技术股份有限公司 | The equipment for realizing LTE communications and satellite video transmission |
| CN109996040A (en) * | 2019-04-04 | 2019-07-09 | 无锡智图汇联科技有限公司 | A method of applied to the COFDM uplink enhancing taken photo by plane and monitored |
| CN111556591A (en) * | 2020-04-26 | 2020-08-18 | 应急管理部沈阳消防研究所 | Remote communication networking system for complex disaster environment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888257A (en) * | 2010-06-21 | 2010-11-17 | 刘显福 | Method and system for sharing and multiplexing wired and wireless bandwidth |
| CN102064959A (en) * | 2010-11-16 | 2011-05-18 | 西安电子科技大学 | Three-network convergence oriented digital home network architecture |
| US20130054537A1 (en) * | 2011-08-12 | 2013-02-28 | Splunk Inc. | Data volume management |
| WO2013086447A1 (en) * | 2011-12-07 | 2013-06-13 | Seven Networks, Inc. | Radio-awareness of mobile device for sending server-side control signals using a wireless network optimized transport protocol |
-
2013
- 2013-06-25 CN CN2013102559608A patent/CN103401891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888257A (en) * | 2010-06-21 | 2010-11-17 | 刘显福 | Method and system for sharing and multiplexing wired and wireless bandwidth |
| CN102064959A (en) * | 2010-11-16 | 2011-05-18 | 西安电子科技大学 | Three-network convergence oriented digital home network architecture |
| US20130054537A1 (en) * | 2011-08-12 | 2013-02-28 | Splunk Inc. | Data volume management |
| WO2013086447A1 (en) * | 2011-12-07 | 2013-06-13 | Seven Networks, Inc. | Radio-awareness of mobile device for sending server-side control signals using a wireless network optimized transport protocol |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469426A (en) * | 2014-12-01 | 2015-03-25 | 中国联合网络通信集团有限公司 | Scheduling method and system for multi-media video-on-demand content |
| CN104469426B (en) * | 2014-12-01 | 2017-12-22 | 中国联合网络通信集团有限公司 | A kind of dispatching method and system of multimedia-on-demand content |
| CN105915327A (en) * | 2015-02-23 | 2016-08-31 | 瑞萨电子株式会社 | BMC processing circuit, USB power delivery controller and BMC reception method |
| CN105915327B (en) * | 2015-02-23 | 2020-10-30 | 瑞萨电子株式会社 | BMC processing circuit, USB power transmission controller and BMC receiving method |
| CN108063703A (en) * | 2017-10-25 | 2018-05-22 | 合肥润东通信科技股份有限公司 | A kind of intelligent home system based on CHINA RFTCOM Co Ltd |
| CN108111792A (en) * | 2017-12-22 | 2018-06-01 | 杭州初灵信息技术股份有限公司 | The equipment for realizing LTE communications and satellite video transmission |
| CN108111792B (en) * | 2017-12-22 | 2023-08-29 | 杭州初灵信息技术股份有限公司 | Device for realizing LTE communication and satellite video transmission |
| CN109996040A (en) * | 2019-04-04 | 2019-07-09 | 无锡智图汇联科技有限公司 | A method of applied to the COFDM uplink enhancing taken photo by plane and monitored |
| CN111556591A (en) * | 2020-04-26 | 2020-08-18 | 应急管理部沈阳消防研究所 | Remote communication networking system for complex disaster environment |
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Application publication date: 20131120 |