CN102088381A - Ultrahigh-frequency wideband network system - Google Patents
Ultrahigh-frequency wideband network system Download PDFInfo
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- CN102088381A CN102088381A CN2010106189752A CN201010618975A CN102088381A CN 102088381 A CN102088381 A CN 102088381A CN 2010106189752 A CN2010106189752 A CN 2010106189752A CN 201010618975 A CN201010618975 A CN 201010618975A CN 102088381 A CN102088381 A CN 102088381A
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Abstract
The invention discloses an ultrahigh-frequency wideband network system. The ultrahigh-frequency wideband network system comprises a front end network system and an access network system, wherein the front end network system is used for generating and transmitting five signal sources, including a first signal source with a frequency less than 860 MHz, a second signal source with a frequency between 950 MHz and 1.1GHz, a third signal source with a frequency between 1.2 GHz and 1.7 GHz, a fourth signal source with a frequency between 1.8 GHz and 2.3 GHz, and a fifth signal source with a frequency between 2.4 GHz and 2.8 GHz; and the access network system is used for receiving the five signals from the front end network system, and transmitting the five signals to the interior of a user house through a coaxial network. The ultrahigh-frequency wideband network system not only can achieve the interconnection and intercommunication of the broadcasting television network, the telecommunication network and the internet so as to share network resources, but also can provide higher wideband than the existing fiber-to-the-home service, and can provide the indoor wireless services of 3G (the third generation telecommunication), WIFI (Wireless Fidelity) and the like, thereby providing personalized and all-media services.
Description
Technical field
The present invention relates to a kind of broadband network system, relate in particular to the cable TV broadband network system, belong to networking technology area.
Background technology
In January, 2010 State Council's decision accelerates to advance the integration of three networks development of telecommunications network, broadcasting and television network, the Internet, realizes that three nets interconnect, resource-sharing, and multiple services such as speech, data and radio and television are provided for the user.For telecom operators, how to make one wideer, faster, more excellent, the network that adapts to integration of three networks business development demand has become inevitable problem.From network architecture end to end, Access Network is most important, promote the bandwidth of whole net, at first needs to promote the bandwidth of Access Network, so each big operation commercial city is in layout energetically with build the high-speed wideband access network.
The networking of operators such as telecommunications and broadcasting and TV at present is imperfection also, we are from analyses such as business, bandwidth, still has problems.At first single access network can't satisfy the integrated demand of user to live telecast, video, voice-and-data business, at present, TV programme is mainly by the single carrying of broadcasting and television network, the voice class service is mainly by the single carrying of telecommunications network, data services is mainly by the Internet bearer, lack between three networks and effectively interconnect, the user need obtain different contents from different networks.There is the situation of repeated construction in the capital construction of three networks, causes shortcomings such as the wasting of resources, complex management, maintenance cost height, efficient be low.Secondly the access bandwidth deficiency can not well satisfy the demand of user to video traffic, and along with the development in the high Qinghua of video, the user presents explosive growth to high definition live telecast, high definition stream media business, and the access bandwidth demand more than the 10MMbps is increasing.At last, the user strengthens day by day to the demand of wireless traffics such as 3G, and the indoor covering of these wireless traffics is relatively poor, and in order to build high-quality wireless indoor overlay network, telecom operators need drop into huge fund.
General Bureau of Radio, Film and Television is actively pushing forward the construction of broadcasting and television network of future generation (NGB:Next Generation Broadcasting network), and the expansion Optical Fiber Transmission coverage that various places NGB networking is suited measures to local conditions has realized Fiber-To-The-Building substantially; It is like a raging fire that the bidirectional rebuilding work of Access Network is carried out.If radio, TV and film industries are walked according to the road of telecom operators, only be confined to the bilateral network transformation, the broadband inserting service with the telecommunications without differences is provided, will face the competitive environment of a very severe.The network technology characteristics of broadcasting and TV are very good, are point-to-area network technologies, insert the frequency of cable and support almost to have covered all families more than the 1GHZ.
Therefore, at present access network system have that the full-service bearing capacity is poor, the problems such as indoor covering difference of access bandwidth deficiency and wireless traffic.
Summary of the invention
One of purpose of the present invention provides a kind of broadband network system that can realize the hyperfrequency that broadcasting and television network, telecommunications network, the Internet three nets interconnect.
Two of purpose of the present invention provides the present optical fiber of a kind of ratio higher bandwidth of registering one's residence.
For achieving the above object, the technical solution used in the present invention is:
The broadband network system of first kind of hyperfrequency of the present invention comprises front network system and access network system; Described front network system comprises digital TV front-end, optical sender, first optical transport network, optical receiver, the interactive digital television front end, IP network, EPON, the EOC local side, intermediate frequency IPQAM equipment, the intermediate frequency optical sender, second optical transport network, the intermediate frequency optical receiver, the 3G transmission system, Remote Radio Unit, WIFI and WIMAX transmission system and WAP (wireless access point), described digital TV front-end is used for receiving and handles broadcast television signal and be connected with optical sender, described first optical transport network by optical fiber respectively with described optical sender, optical receiver connects; Described interactive digital television front end is used for receiving and handles interactive television content and be connected with IP network, and described EPON is connected with IP network by optical fiber and this EPON is connected with the EOC local side apparatus; Described intermediate frequency IPQAM equipment is used for receiving with the processing high definition and is connected with satellite broadcast signal and with described intermediate frequency optical sender, and described second optical transport network is connected with intermediate frequency optical sender, intermediate frequency optical receiver respectively by optical fiber; Described 3G transmission system is used for reception and is connected with interaction data and with described Remote Radio Unit with processed voice; Described WIFI is used for reception with the WIMAX transmission system and is connected with interaction data and with described WAP (wireless access point) with processed voice; It is the first following signal source of 860MHz that described optical receiver is used for transmission frequency, described EOC local side apparatus is used to produce and transmission frequency is the secondary signal source of 950MHz～1.1GHz, described intermediate frequency optical receiver is used for the 3rd signal source that transmission frequency is 1.2GHz～1.7GHz, described Remote Radio Unit is used to produce and transmission frequency is the 4th signal source of 1.8GHz～2.3GHz, and described wireless access point device is used to produce and transmission frequency is the 5th signal source of 2.4GHz～2.8GHz;
Described access network system comprises the ultra-high frequency signal mixer, the hyperfrequency branch distributor, indoor distributor of above hyperfrequency and indoor demultiplexer more than, the input of described ultra-high frequency signal mixer respectively with optical receiver, the EOC local side, the intermediate frequency optical receiver, the output port of Remote Radio Unit and WAP (wireless access point) is connected to be used to receive first signal source, the secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source, the output of described ultra-high frequency signal mixer is connected with the input of hyperfrequency branch distributor, the output of described hyperfrequency branch distributor is connected with the input of the indoor distributor of each hyperfrequency respectively, and the output of the indoor distributor of described each hyperfrequency is connected with the input of indoor demultiplexer more than.
Further, ultra-high frequency signal mixer of the present invention is by closing road port, corresponding first port that receives first signal source, corresponding second port that receives the secondary signal source, corresponding the 3rd port that receives the 3rd signal source, corresponding the 4th port that receives the 4th signal source, the corresponding five-port that receives the 5th signal source, first low pass filter, second low pass filter, first high pass filter, first band pass filter, second band pass filter and the 3rd band pass filter are formed, wherein, first low pass filter is used to receive first signal source, first high pass filter is used to receive the secondary signal source, and first low pass filter is connected with second low pass filter respectively with first high pass filter; First band pass filter is used to receive the 3rd signal source, second band pass filter is used to receive the 4th signal source, the 3rd band pass filter is used to receive the 5th signal source, and second low pass filter, first band pass filter, second band pass filter and the 3rd band pass filter inside are closed Lu Houyu and closed the road port output signal that is connected.
Further, indoor demultiplexer of the present invention is made up of separator input port, first user port, second user port, the 3rd low pass filter and second high pass filter, what described the 3rd low pass filter, second high pass filter were used to receive first signal source, secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source closes the road signal, and described the 3rd low pass filter output signal that is connected with first user port; Described second high pass filter output signal that is connected with second user port.
The broadband network system of second kind of hyperfrequency of the present invention comprises front network system and access network system; Described front network system comprises digital TV front-end, optical sender, first optical transport network, optical receiver, the interactive digital television front end, IP network, EPON, the EOC local side, intermediate frequency IPQAM equipment, the intermediate frequency optical sender, second optical transport network, the intermediate frequency optical receiver, the 3G transmission system, Remote Radio Unit, WIFI and WIMAX transmission system and WAP (wireless access point), described digital TV front-end is used for receiving and handles broadcast television signal and be connected with optical sender, described first optical transport network by optical fiber respectively with described optical sender, optical receiver connects; Described interactive digital television front end is used for receiving and handles interactive television content and be connected with IP network, and described EPON is connected with IP network by optical fiber and this EPON is connected with the EOC local side apparatus; Described intermediate frequency IPQAM equipment is used for receiving with the processing high definition and is connected with satellite broadcast signal and with described intermediate frequency optical sender, and described second optical transport network is connected with intermediate frequency optical sender, intermediate frequency optical receiver respectively by optical fiber; Described 3G transmission system is used for reception and is connected with interaction data and with described Remote Radio Unit with processed voice; Described WIFI is used for reception with the WIMAX transmission system and is connected with interaction data and with described WAP (wireless access point) with processed voice; It is the first following signal source of 860MHz that described optical receiver is used for transmission frequency, described EOC local side apparatus is used to produce and transmission frequency is the secondary signal source of 950MHz～1.1GHz, described intermediate frequency optical receiver is used for the 3rd signal source that transmission frequency is 1.2GHz～1.7GHz, described Remote Radio Unit is used to produce and transmission frequency is the 4th signal source of 1.8GHz～2.3GHz, and described wireless access point device is used to produce and transmission frequency is the 5th signal source of 2.4GHz～2.8GHz;
Described access network system comprises the ultra-high frequency signal mixer, hyperfrequency closes distributor, indoor distributor of above hyperfrequency and indoor demultiplexer more than, an input of described ultra-high frequency signal mixer respectively with optical receiver, the EOC local side, the output port of intermediate frequency optical receiver and Remote Radio Unit is connected to be used to receive first signal source, the secondary signal source, the 3rd signal source and the 4th signal source, the input that described hyperfrequency closes distributor is connected with the road port that closes of described ultra-high frequency signal mixer, and three inputs in addition that described hyperfrequency closes distributor are connected with described WAP (wireless access point) respectively to be used for receiving the 5th signal source respectively, described hyperfrequency closes the corresponding connection of input of output with the indoor distributor of each hyperfrequency of distributor, and the output of the indoor distributor of described each hyperfrequency is connected with the input of indoor demultiplexer more than.
Further, ultra-high frequency signal mixer of the present invention is by closing road port, corresponding first port that receives first signal source, corresponding second port that receives the secondary signal source, corresponding the 3rd port that receives the 3rd signal source, corresponding the 4th port that receives the 4th signal source, first low pass filter, second low pass filter, first high pass filter, first band pass filter, second band pass filter and the 3rd band pass filter are formed, wherein, first low pass filter is used to receive first signal source, first high pass filter is used to receive the secondary signal source, and first low pass filter is connected with second low pass filter respectively with first high pass filter; First band pass filter is used to receive the 3rd signal source, and second band pass filter is used to receive the 4th signal source, and second low pass filter, first band pass filter, the second band pass filter inside close Lu Houyu and close the road port output signal that is connected.
Further, indoor demultiplexer of the present invention is made up of separator input port, first user port, second user port, the 3rd low pass filter and second high pass filter, what described the 3rd low pass filter, second high pass filter were used to receive first signal source, secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source closes the road signal, and described the 3rd low pass filter output signal that is connected with first user port; Described second high pass filter output signal that is connected with second user port.
Further, hyperfrequency of the present invention close distributor by 1 fen 3 distributor, close 1 mixer for three 2 and three 1 fen 4 distributors are formed, described 1 minute 3 distributor is used to receive 1 minute 3 distributor of the signal that closes road port output of ultra-high frequency signal mixer and this and closes 1 mixer and be connected with described three 2 respectively, described three 2 are closed 1 mixer and are respectively applied for the signal that receives the 5th signal source and these three 2 and close 1 mixer each is connected with described 1 minute 4 distributor, the corresponding connection of input of described respectively 1 minute 4 distributor and the indoor distributor of each hyperfrequency.
First signal source of above-mentioned 5 tunnel signal sources refers to the following frequency signal of 860MHz, and unidirectional business such as simulated television, Digital Television and FM broadcasting are provided; The secondary signal source refers to 950MHz～1.1GHz frequency signal, is used for EOC high frequency two-way broadband and inserts, and two-way interactive business such as data, video content are provided; The 3rd signal source refers to 1.2GHz～1.7GHz frequency signal, is used for the transmission intermediate frequency signal, and the more broadcasting service of multicapacity such as high definition is provided; The 4th signal source refers to 1.8GHz～2.3GHz frequency signal, is used to realize that the indoor covering or the high-speed data of 3G signal are descending; The 5th signal source refers to 2.4GHz～2.8GHz, is used to realize WIFI, the indoor covering of WIMAX wireless signal.
With the contrast of existing network system, the present invention has following beneficial effect:
(1) the present invention utilizes unique network architecture and equipment, can be at signals such as a coaxial cable carrier broadcast digital TV, broadcasting intermediate-freuqncy signal, cable TV network two-way broadband signal, 3G signal and WIFI, the indoor covering of 3G signal particularly is provided, realized interconnecting of broadcasting and television network, wireless communication networks, telecommunications network, the Internet, promote sharing of Internet resources, can reduce the repeated construction investment significantly.
(2) the present invention expands to 2.8GHz with the frequency of family coaxial cable from present 860MHz, nearly three times have been expanded, can realize that the above data downstream of 6Gbps, every unit 600Mbps two-way broadband insert, provide than the present optical fiber higher bandwidth of registering one's residence, can satisfy under the integration of three networks user fully for the demand of voice, mass data, magnanimity video traffic.
(3) the present invention is based on existing broadcasting and TV wired network system and design, widened the frequency band of the own radio and television of broadcasting and TV greatly, utilize the broadcasting services such as high definition of the broadband signal frequency carrying of intermediate frequency the bandwidth demand maximum; Except that broadcast television signal, network system of the present invention has professional signal input interface such as 3G signal and WIFI, and the real network construction can increase and change flexibly according to service needed, and the construction period is shorter.
(4) the present invention can realize that not only broadcasting and television network, telecommunications network, the Internet three nets interconnect, Internet resources are shared, and can provide than the present optical fiber higher bandwidth of registering one's residence, wireless traffics such as 3G, WIFI can be provided, the professional and service of personalized, full mediumization is provided for the user.
Description of drawings
Fig. 1 is a front network system configuration schematic block diagram of the present invention;
Fig. 2 is first kind of access network system structural representation block diagram of the present invention;
Fig. 3 is the structural representation block diagram of the ultra-high frequency signal mixer among Fig. 2;
Fig. 4 is the structural representation block diagram of the indoor demultiplexer among Fig. 2;
Fig. 5 is the structural representation block diagram of second kind of access network system of the present invention;
Fig. 6 is the structural representation block diagram that the hyperfrequency among Fig. 3 closes distributor.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
The front network system of the broadband network system of hyperfrequency of the present invention, the structural representation block diagram as shown in Figure 1.
Broadcast television signal passes through the multiplexing of digital TV front-end among Fig. 1, scrambling, modulation, after signal mixing etc. are handled, be input in the optical sender, in optical sender, convert the electrical signal to light signal and be coupled in the optical fiber and transmit, be transferred to the trunk machine room by first optical transport network from the broadcasting and TV front end, the optical receiver at corridor place, this network system can be utilized original broadcasting and TV cable network and equipment, be transformed into the signal of telecommunication after optical receiver receives and obtain the first signal source signal, the correspondence that this signal is input to the ultra-high frequency signal mixer of access network system by the coaxial cable radio frequency receives first port of first signal source.
Among Fig. 1, interactive television content comprises the coding of content process interactive digital television front ends such as video request program, the media orchestration audit, the content page issue, after content distributions etc. are handled, enter the core network of IP network, arrive corridor optical node place by technical transmission such as IP network and EOPN Ethernet passive optical network systems, EOC local side apparatus by corridor after the optical node place receives is modulated to high frequency 950MHz～1.1GHz frequency signal with the IP signal, obtain the secondary signal source signal, this signal is input to the ultra-high frequency signal mixer of access network system by the coaxial cable radio frequency correspondence receives second port in secondary signal source.
Among Fig. 1, signal such as high-definition content and satellite broadcasting is converted to the intermediate frequency signal of telecommunication by intermediate frequency IPQAM equipment, frequency arrives 1.7GHz about 1.1GHz, after the emission of intermediate frequency optical sender, import the corridor optical node place that second optical transport network is transferred to broadcasting and TV, be transformed into the signal of telecommunication after the intermediate frequency optical receiver at optical node place receives and obtain the 3rd signal source signal, the correspondence that this signal is input to the ultra-high frequency signal mixer of access network system by the coaxial cable radio frequency receives the 3rd port of the 3rd signal source.
Voice and interaction data are transferred to the corridor optical node place of broadcasting and TV among Fig. 1 by 3G Optical Fiber Transmission subsystem, 3G Remote Radio Unit by corridor is transformed into 1.8GHz～2.3GHz high-frequency signal, obtain the 4th signal source signal, the correspondence that this signal is input to the ultra-high frequency signal mixer of access network system by the coaxial cable radio frequency receives the 4th port of the 4th signal source.
Voice and interaction data are transferred to the corridor optical node place of broadcasting and TV among Fig. 1 by WIFI and WIMAX signal access subsystem, be transformed into 2.4GHz～2.8GHz high-frequency signal by equipment such as WIFI access points, obtain the 5th signal source signal, the correspondence that this signal is input to access network system by the coaxial cable radio frequency receives the five-port of the 5th signal source.
Equipment in the systems such as the intermediate frequency IPQAM among Fig. 1, intermediate frequency optical sender, intermediate frequency optical receiver, 3G and WIFI etc. can utilize the existing equipment on the market.
Among the present invention, the broadband network system of hyperfrequency comprises two kinds of access network systems, and the structural representation block diagram of first kind of connecting system as shown in Figure 2.
First kind of access network system partly is made up of ultra-high frequency signal mixer, hyperfrequency branch distributor, the indoor distributor of hyperfrequency, indoor demultiplexer, coaxial cable etc.
Above described this 5 road signal of first signal source to the, five signal sources be input to 5 corresponding input ports of ultra-high frequency signal mixer by radio frequency interface.The ultra-high frequency signal mixer generally is placed on the light-receiving node near signal source, locates such as the corridor optical node place of CHINA RFTCOM Co Ltd, the light current well of building etc.
The structured flowchart of ultra-high frequency signal mixer comprises that it is output port that 5 signal input ports and 1 close road port as shown in Figure 3.Port one input first via signal source among Fig. 3: the following frequency signal of 860MHz; Port 2 input the second tunnel signal source: 950MHz～1.1GHz frequency signals; Port 3 input Third Road signal sources: 1.2GHz～1.7GHz frequency signal; Port 4 input the four tunnel signal source: 1.8GHz～2.3GHz frequency signals; Port 5 input the five tunnel signal source: 2.4GHz～2.8GHz frequency signals.
Ultra-high frequency signal mixer of the present invention is different from present GSM/CDMA signal combiner, broadband signal mixer etc., the ultra-high frequency signal mixer is supported the super bandwidth signals frequency of 2.8GHZ, possess 5 tunnel signal source input ports, therefore the circuit design of ultra-high frequency signal mixer of the present invention must be unique, and its concrete structure is described as follows:
As shown in Figure 3, the signal of port one input links to each other with first low pass filter, and first low pass filter is a low pass filter, and cut-off frequency is 860MHz, guarantees high-quality the passing through of the following frequency signal of 860MHz; The signal of port 2 inputs links to each other with first high pass filter, and first high pass filter is a high pass filter, and cut-off frequency is 950MHz, guarantees high-quality the passing through of the above frequency signal of 950MHz; First low pass filter, first high pass filter adopt the cavity body filter design, make two paths of signals that good isolation be arranged, and guarantee that the inhibition of two paths of signals reaches best.
Be input to second low pass filter after the signal of first low pass filter and the output of first high pass filter mixes, second low pass filter is a low pass filter, and cut-off frequency is 1.1GHz, guarantees high-quality the passing through of the following frequency signal of 1.1GHz.The signal of port 3 inputs links to each other with first band pass filter, and first band pass filter is a band pass filter, covers the frequency band that transmits and receives of its passage, and frequency range is 1.2GHz～1.7GHz; The signal of port 4 inputs links to each other with second band pass filter, and second band pass filter is a band pass filter, covers the frequency band that transmits and receives of its passage, and frequency range is 1.8GHz～2.3GHz; The signal of port 5 inputs links to each other with the 3rd band pass filter, and the 3rd band pass filter is a band pass filter, covers the frequency band that transmits and receives of its passage, and frequency range is 2.4GHz～2.8GHz;
Second low pass filter, first band pass filter, second band pass filter and the 3rd band pass filter adopt the cavity body filter design, the device, structure, PCB and the technology that adopt have good high frequency characteristics, circuit design must make several signals that good isolation is arranged, and guarantees that the inhibition of 4 road signals reaches best.
The signal of second low pass filter, first band pass filter, second band pass filter and the output of the 3rd band pass filter mixes port 6 outputs of back by closing road port.
The above-mentioned design of ultra-high frequency signal mixer can guarantee the isolation of low Insertion Loss, low frequency and the super bandwidth signals of high frequency of high-frequency signal, and under the prerequisite that guarantees technical indicator, volume is moderate, cost is lower.
After the mixed processing through the ultra-high frequency signal mixer, from port 6 outputs one tunnel radiofrequency signal of Fig. 3; This radiofrequency signal is input to hyperfrequency branch distributor among Fig. 1 by coaxial cable.According to the coverage needs, the function that the hyperfrequency branch distributor can integrated splitter is taken out a part of signal and is presented to branch line or user terminal, and all the other most of signals then still continue transmission by former direction; Perhaps the function of integrated splitter not can be closed the demultiplexing output equably of road signal.The hyperfrequency branch distributor generally has 1 minute 6,1 minutes 12 etc., is input to the different indoor indoor distributors of hyperfrequency from the different signals of port output that distribute of hyperfrequency branch distributor by coaxial cable, thereby is assigned to signal different indoor with tree structure.
Hyperfrequency branch distributor among Fig. 2 is different from present branch distributor, also must support the super bandwidth signals frequency of 2.8GHz, must adopt the signal allocation device that high frequency characteristics is better, cost performance is high.The hyperfrequency branch distributor generally is placed on the same position of ultra-high frequency signal mixer.
Distribute the signal of port output to be input to the indoor distributor of hyperfrequency from one of hyperfrequency branch distributor by coaxial cable, the hyperfrequency branch distributor generally has 12 or 24 output ports, and a hyperfrequency branch distributor can connect the indoor distributor of one or more hyperfrequencies.The indoor distributor of hyperfrequency has the multi-channel output mouth, can be with input signal demultiplexing output equably,
The indoor distributor of hyperfrequency also must be supported the super bandwidth signals frequency of 2.8GHz, can not adopt present signal distributor.The hyperfrequency branch distributor generally is placed on user's the user profile case position of registering one's residence.
Be input to indoor demultiplexer from the signal of a port output of the indoor distributor of hyperfrequency by coaxial cable.The indoor distributor of hyperfrequency can connect one or more indoor demultiplexers.
Indoor demultiplexer among Fig. 2 will be blended in 5 road signals that transmit in the coaxial cable and comprise that Signal Separation such as cable TV signal, eoc signal, intermediate-freuqncy signal, 3G signal and WIFI open, different signal output interfaces is provided respectively, connects different reception signal terminals.
The structure of indoor demultiplexer of the present invention as shown in Figure 4, it comprises 1 signal input port and 2 output ports.Be input to the port one of first user port of indoor demultiplexer by coaxial cable from the signal of a port output of the indoor distributor of hyperfrequency, signal is imported the 3rd low pass filter and second high pass filter respectively, the 3rd low pass filter is a low pass filter, cut-off frequency is 1.7GHz MHz, guarantee that the following frequency signal of 1.7GHz comprises first signal source, secondary signal source and the 3rd signal source is high-quality passes through, and by port 2 outputs, port 2 is a radio frequency interface, can watch the digital television broadcasting TV by the external set-top box of coaxial cable, can the broadband access of external EOC bidirectional terminal equipment, also can watch satellite-signal with being input to set-top box after the intermediate-freuqncy signal frequency reducing, high-definition signal etc.
Second high pass filter is a high pass filter, cut-off frequency is 1.8GHz, guarantee high-quality the passing through of the above frequency signal of 1.8GHz, and by port 3 outputs, port 3 is a radio frequency interface, external radio-frequency antenna, and this antenna can adopt the WIFI/3G dedicated antenna according to user's needs, or adopt the wide frequency antenna that covers WIFI, 3G and WIMAX signal, user WIFI, 3G and WIMAX voice, data and multimedia service are provided.
The 3rd low pass filter and second high pass filter adopt the good cavity body filter design of high frequency characteristics, make two paths of signals have good isolation, other technologies index to satisfy the demanding terminal of finally registering one's residence.
Indoor demultiplexer also can be called user's face box, be the hyperfrequency device, must support the super bandwidth signals frequency of 2.8GHz, can not adopt present indoor user face box, indoor demultiplexer is installed on the indoor wall, disposes a plurality of indoor demultiplexers according to indoor room.
At the under powered situation of described the five tunnel signal source, the present invention has designed second kind of access network system of the broadband network system of hyperfrequency, as shown in Figure 5.
Second kind of access network system comprises that ultra-high frequency signal mixer, hyperfrequency close parts such as distributor, the indoor distributor of hyperfrequency, indoor demultiplexer, coaxial cable.
What be different from first kind of access network system is, native system is input to first to the 4th signal source respectively 4 corresponding input ports of ultra-high frequency signal mixer, the structural representation block diagram of ultra-high frequency signal mixer as shown in Figure 3, after the mixed processing through the ultra-high frequency signal mixer, from port 6 outputs one tunnel radiofrequency signal of Fig. 3; The hyperfrequency that this radiofrequency signal is input to Fig. 6 by coaxial cable closes the port one of distributor, and the structural representation block diagram that hyperfrequency closes distributor as shown in Figure 6.
As shown in Figure 6, port one links to each other with 1 minute 3 distributor, and 1 minute 3 distributor is divided into 3 the tunnel with signal, imports 2 of Fig. 6 respectively and closes in 1 mixer.Port 2,3,4 is imported the 5th signal source respectively, and closes 1 mixer and link to each other with 2 respectively, 2 close 1 mixer with the two paths of signals mixed processing after in 1 minute 4 distributor of input, divider signal was divided into the output of 4 road signals in 1 minute 4.Hyperfrequency closes distributor 31 fen 4 distributors, can export 12 road signals altogether.Hyperfrequency closes distributor can be designed to output in 1 minute 6,1 minutes 12,1 minutes 24 tunnel according to actual needs.
Distributor, mixer that hyperfrequency closes distributor inside are the hyperfrequency device, on present distributor, mixer design basis, adopt high frequency characteristics device, structure, PCB and technology preferably, circuit design must make several signals that good isolation is arranged.
Close signal that distributes port to export of distributor is input to Fig. 5 by coaxial cable the indoor distributor of hyperfrequency from hyperfrequency, network system after the indoor distributor of hyperfrequency is consistent with first kind of access network system, describes with reference to top technical scheme and realizes.
Second kind of access network system closes the distributor input with the 5th signal source from the hyperfrequency of back level, can effectively satisfy the low-power of the 5th signal source and import, and adapts to different network scenarios.
Claims (7)
1. the broadband network system of a hyperfrequency is characterized in that: comprise the front network system and and access network system; Described front network system comprises digital TV front-end, optical sender, first optical transport network, optical receiver, the interactive digital television front end, IP network, EPON, the EOC local side, intermediate frequency IPQAM equipment, the intermediate frequency optical sender, second optical transport network, the intermediate frequency optical receiver, the 3G transmission system, Remote Radio Unit, WIFI and WIMAX transmission system and WAP (wireless access point), described digital TV front-end is used for receiving and handles broadcast television signal and be connected with optical sender, described first optical transport network by optical fiber respectively with described optical sender, optical receiver connects; Described interactive digital television front end is used for receiving and handles interactive television content and be connected with IP network, and described EPON is connected with IP network by optical fiber and this EPON is connected with the EOC local side apparatus; Described intermediate frequency IPQAM equipment is used for receiving with the processing high definition and is connected with satellite broadcast signal and with described intermediate frequency optical sender, and described second optical transport network is connected with intermediate frequency optical sender, intermediate frequency optical receiver respectively by optical fiber; Described 3G transmission system is used for reception and is connected with interaction data and with described Remote Radio Unit with processed voice; Described WIFI is used for reception with the WIMAX transmission system and is connected with interaction data and with described WAP (wireless access point) with processed voice; It is the first following signal source of 860MHz that described optical receiver is used for transmission frequency, described EOC local side apparatus is used to produce and transmission frequency is the secondary signal source of 950MHz～1.1GHz, described intermediate frequency optical receiver is used for the 3rd signal source that transmission frequency is 1.2GHz～1.7GHz, described Remote Radio Unit is used to produce and transmission frequency is the 4th signal source of 1.8GHz～2.3GHz, and described wireless access point device is used to produce and transmission frequency is the 5th signal source of 2.4GHz～2.8GHz;
Described access network system comprises the ultra-high frequency signal mixer, the hyperfrequency branch distributor, indoor distributor of above hyperfrequency and indoor demultiplexer more than, the input of described ultra-high frequency signal mixer respectively with optical receiver, the EOC local side, the intermediate frequency optical receiver, the output port of Remote Radio Unit and WAP (wireless access point) is connected to be used to receive first signal source, the secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source, the output of described ultra-high frequency signal mixer is connected with the input of hyperfrequency branch distributor, the output of described hyperfrequency branch distributor is connected with the input of the indoor distributor of each hyperfrequency respectively, and the output of the indoor distributor of described each hyperfrequency is connected with the input of indoor demultiplexer more than.
2. the broadband network system of hyperfrequency according to claim 1, it is characterized in that: described ultra-high frequency signal mixer is by closing road port, corresponding first port that receives first signal source, corresponding second port that receives the secondary signal source, corresponding the 3rd port that receives the 3rd signal source, corresponding the 4th port that receives the 4th signal source, the corresponding five-port that receives the 5th signal source, first low pass filter, second low pass filter, first high pass filter, first band pass filter, second band pass filter and the 3rd band pass filter are formed, wherein, first low pass filter is used to receive first signal source, first high pass filter is used to receive the secondary signal source, and first low pass filter is connected with second low pass filter respectively with first high pass filter; First band pass filter is used to receive the 3rd signal source, second band pass filter is used to receive the 4th signal source, the 3rd band pass filter is used to receive the 5th signal source, and second low pass filter, first band pass filter, second band pass filter and the 3rd band pass filter inside are closed Lu Houyu and closed the road port output signal that is connected.
3. the broadband network system of hyperfrequency according to claim 1, it is characterized in that: described indoor demultiplexer is made up of separator input port, first user port, second user port, the 3rd low pass filter and second high pass filter, what described the 3rd low pass filter, second high pass filter were used to receive first signal source, secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source closes the road signal, and described the 3rd low pass filter output signal that is connected with first user port; Described second high pass filter output signal that is connected with second user port.
4. the broadband network system of a hyperfrequency is characterized in that: comprise front network system and access network system; Described front network system comprises digital TV front-end, optical sender, first optical transport network, optical receiver, the interactive digital television front end, IP network, EPON, the EOC local side, intermediate frequency IPQAM equipment, the intermediate frequency optical sender, second optical transport network, the intermediate frequency optical receiver, the 3G transmission system, Remote Radio Unit, WIFI and WIMAX transmission system and WAP (wireless access point), described digital TV front-end is used for receiving and handles broadcast television signal and be connected with optical sender, described first optical transport network by optical fiber respectively with described optical sender, optical receiver connects; Described interactive digital television front end is used for receiving and handles interactive television content and be connected with IP network, and described EPON is connected with IP network by optical fiber and this EPON is connected with the EOC local side apparatus; Described intermediate frequency IPQAM equipment is used for receiving with the processing high definition and is connected with satellite broadcast signal and with described intermediate frequency optical sender, and described second optical transport network is connected with intermediate frequency optical sender, intermediate frequency optical receiver respectively by optical fiber; Described 3G transmission system is used for reception and is connected with interaction data and with described Remote Radio Unit with processed voice; Described WIFI is used for reception with the WIMAX transmission system and is connected with interaction data and with described WAP (wireless access point) with processed voice; It is the first following signal source of 860MHz that described optical receiver is used for transmission frequency, described EOC local side apparatus is used to produce and transmission frequency is the secondary signal source of 950MHz～1.1GHz, described intermediate frequency optical receiver is used for the 3rd signal source that transmission frequency is 1.2GHz～1.7GHz, described Remote Radio Unit is used to produce and transmission frequency is the 4th signal source of 1.8GHz～2.3GHz, and described wireless access point device is used to produce and transmission frequency is the 5th signal source of 2.4GHz～2.8GHz;
Described access network system comprises the ultra-high frequency signal mixer, hyperfrequency closes distributor, indoor distributor of above hyperfrequency and indoor demultiplexer more than, an input of described ultra-high frequency signal mixer respectively with optical receiver, the EOC local side, the output port of intermediate frequency optical receiver and Remote Radio Unit is connected to be used to receive first signal source, the secondary signal source, the 3rd signal source and the 4th signal source, the input that described hyperfrequency closes distributor is connected with the road port that closes of described ultra-high frequency signal mixer, and three inputs in addition that described hyperfrequency closes distributor are connected with described WAP (wireless access point) respectively to be used for receiving the 5th signal source respectively, described hyperfrequency closes the corresponding connection of input of output with the indoor distributor of each hyperfrequency of distributor, and the output of the indoor distributor of described each hyperfrequency is connected with the input of indoor demultiplexer more than.
5. the broadband network system of hyperfrequency according to claim 4, it is characterized in that: described ultra-high frequency signal mixer is by closing road port, corresponding first port that receives first signal source, corresponding second port that receives the secondary signal source, corresponding the 3rd port that receives the 3rd signal source, corresponding the 4th port that receives the 4th signal source, first low pass filter, second low pass filter, first high pass filter, first band pass filter, second band pass filter and the 3rd band pass filter are formed, wherein, first low pass filter is used to receive first signal source, first high pass filter is used to receive the secondary signal source, and first low pass filter is connected with second low pass filter respectively with first high pass filter; First band pass filter is used to receive the 3rd signal source, and second band pass filter is used to receive the 4th signal source, and second low pass filter, first band pass filter, the second band pass filter inside close Lu Houyu and close the road port output signal that is connected.
6. the broadband network system of hyperfrequency according to claim 4, it is characterized in that: described indoor demultiplexer is made up of separator input port, first user port, second user port, the 3rd low pass filter and second high pass filter, what described the 3rd low pass filter, second high pass filter were used to receive first signal source, secondary signal source, the 3rd signal source, the 4th signal source and the 5th signal source closes the road signal, and described the 3rd low pass filter output signal that is connected with first user port; Described second high pass filter output signal that is connected with second user port.
7. the broadband network system of hyperfrequency according to claim 4, it is characterized in that: described hyperfrequency closes distributor by 1 fen 3 distributor, close 1 mixer and three 1 fen 4 distributor compositions for three 2, described 1 minute 3 distributor is used to receive 1 minute 3 distributor of the signal that closes road port output of ultra-high frequency signal mixer and this and closes 1 mixer and be connected with described three 2 respectively, described three 2 are closed 1 mixer and are respectively applied for the signal that receives the 5th signal source and these three 2 and close 1 mixer each is connected with described 1 minute 4 distributor, the corresponding connection of input of described respectively 1 minute 4 distributor and the indoor distributor of each hyperfrequency.
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