CN101610437A - A kind of based on optical fiber and coaxial whole-business accessing method - Google Patents
A kind of based on optical fiber and coaxial whole-business accessing method Download PDFInfo
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- CN101610437A CN101610437A CNA2009100168302A CN200910016830A CN101610437A CN 101610437 A CN101610437 A CN 101610437A CN A2009100168302 A CNA2009100168302 A CN A2009100168302A CN 200910016830 A CN200910016830 A CN 200910016830A CN 101610437 A CN101610437 A CN 101610437A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000005516 engineering process Methods 0.000 claims abstract description 16
- 238000005538 encapsulation Methods 0.000 claims abstract description 7
- 230000004927 fusion Effects 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 5
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- 239000000835 fiber Substances 0.000 description 2
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Abstract
A kind of based on optical fiber and coaxial whole-business accessing method, realize that the full-service of voice, data and video inserts, realize fusion wired, wireless access technology simultaneously.Data network, communication network, equipment such as all kinds of professional process exchange that television network broadcast etc. carried, protocol conversion are connected with the local side apparatus OLT of EPON optical-fiber network.Utilize WDM technology, in an optical fiber, finish the up-downgoing carrying of all kinds of business respectively by 3 wavelength.OLT joins by the optical network unit ONU of passive optical network structure and user side.ONU finishes opto-electronic conversion and corresponding protocol processing, utilizes twisted-pair feeder and coaxial cable to export IP operation and digital television business respectively.Cable gateway is carried out WiFi protocol encapsulation and up-conversion to 1GHz to the IP data of ONU output, and is multiplexing with the Digital Television radiofrequency signal of 40～860MHz, utilizes coaxial cable to finish end user's access.The filtering that cable termination is finished two frequency range radiofrequency signals separates, and exports the subscriber computer top box to for digital television signal.WiFi signal for 1GHz is finished down-conversion and protocol processes, exports user's IP network terminal to, as PC, IP set-top box, IP phone etc.Also can finish the WLAN wireless access to WiFi signal up-conversion.
Description
Technical field
The present invention relates to the full-service access processing method of a kind of optical fiber and coaxial cable, relate in particular to the method structure and the technical scheme of a kind of EPON of realization, coaxial cable, wireless fusion access.
Background technology
Fast development along with information technology and industry, the transmission network that makes up separately round business such as data, voice, videos exists following problem: the one, and the repeated construction of a plurality of bearer networks, cause the additional waste of resource, many nets engineering takies limited space repeatedly, damages natural environment, simultaneously, the input of many nets equipment has also strengthened the cost of operation; The 2nd, majority of network is to finish networking with cable, and this just need make full use of this access network resource of coaxial cable, makes it bear the important task of " many net unifications ".On the other hand, optical fiber inserts and wireless access is two kinds of cutting edge technologies that have now in the broadband access technology, and ethernet passive optical network EPON (Ethernet Passive Optical Network) technology can provide the access bandwidth of 1.25Gbit/s for the user in the 20km scope.WiFi (Wireless Fidelity) then is a kind of wireless local area network technology, for the user provides in hundred meters scopes, and the wireless access of 11Mbit/s.
Summary of the invention
The object of the present invention is to provide a kind of whole-business accessing method, and can realize the fusion of wired access and wireless access based on optical fiber and coaxial cable.For reaching above-mentioned purpose, this method comprises OLT, ODN and ONU equipment and the equipment such as optical wavelength-division multiplex/demodulation multiplexer, cable gateway and terminal of EPON.Wherein OLT equipment is finished by optical fiber to the connection between the ONU equipment, and being connected by coaxial cable between cable gateway and the terminal finished.
Data network, communication network, the comprehensive access of all kinds of business that television network broadcast etc. carried.It is characterized in that described diverse network is connected with the local side apparatus OLT of EPON optical-fiber network through equipment such as exchange, protocol conversions.Utilize WDM technology, in an optical fiber, finish the up-downgoing carrying of all kinds of business respectively by 3 wavelength.OLT joins by the optical network unit ONU of passive optical network structure and user side.ONU finishes opto-electronic conversion and corresponding protocol processing, utilizes UTP and coaxial cable to export IP operation and digital television business respectively.
Cable gateway is carried out WiFi protocol encapsulation and up-conversion to 1GHz to the IP data of ONU output, and is multiplexing with the Digital Television radiofrequency signal of 40～860MHz, utilizes coaxial cable to finish end user's access. electricity
The filtering that the cable terminal is finished two frequency range radiofrequency signals separates, and exports the subscriber computer top box to for digital television signal.WiFi signal for 1GHz is finished down-conversion and protocol processes, exports user's IP network terminal to, as PC, IP set-top box, IP phone etc.Cable termination also can be finished the WLAN wireless access to WiFi signal up-conversion, remedies the shortcoming of wired access, realizes the fusion of wire access technology and wireless access technology.
Description of drawings
Fig. 1 is based on the whole-business accessing method structure chart of optical fiber and coaxial cable.
Frequency division multiplexing schematic diagram in Fig. 2 coaxial cable.
Fig. 3 method networking schematic diagram.
Embodiment
As shown in Figure 1, data network, communication network, the comprehensive access of all kinds of business that television network broadcast etc. carried.It is characterized in that described diverse network is connected with the local side apparatus OLT of EPON optical-fiber network through equipment such as exchange, protocol conversions.Utilize WDM technology, in an optical fiber, finish the up-downgoing carrying of all kinds of business respectively by 3 wavelength.OLT joins by the optical network unit ONU of passive optical network structure and user side.ONU finishes opto-electronic conversion and corresponding protocol processing, utilizes UTP and coaxial cable to export IP operation and digital television business respectively to cable gateway.
Cable gateway is carried out WiFi protocol encapsulation and up-conversion to 1GHz to the IP data of ONU output, and is multiplexing with the Digital Television radiofrequency signal of 40 ~ 860MHz, utilizes coaxial cable to finish end user's access.The filtering that cable termination is finished two frequency range radiofrequency signals separates, and exports the subscriber computer top box to for digital television signal.WiFi signal for 1GHz is finished down-conversion and protocol processes, exports user's IP network terminal to, as PC, IP set-top box, IP phone etc.Cable termination also can be finished the WLAN wireless access to WiFi signal up-conversion.
Frequency division multiplexing principle in the output coaxial cable of cable gateway, as shown in Figure 2.At the cable gateway place, the IP data of ONU output are carried out WiFi protocol encapsulation and up-conversion to 1GHz, multiplexing with the Digital Television radiofrequency signal of 40 ~ 860MHz, utilize coaxial cable to finish the final access of miscellaneous service.
The concrete networking structure of method is merging the user side of Access Network, position and the existing service wire resource selection different access way different according to ONU as shown in Figure 3.Entered in the user family for ONU, promptly realized ONU directly to be connected with subscriber terminal equipment in the area that Fiber to the home (FTTH), finished professional access.For the area (FTTB) of realizing that Fiber To The Building, and the area of service wire resources such as existing twisted-pair feeder and coaxial cable, IP data to ONU output utilize twisted-pair feeder and floor switch to finish access, utilize coaxial cable distribution net to finish service access to the cable television service of ONU output.
For most of areas, existing access conditions is FTTP (FTTP), and has only the service wire resource of coaxial cable.Cut-in method of the present invention is mainly used under this access conditions.The different business of ONU output is by cable gateway, utilizes in the coaxial cable frequency division multiplexing of radiofrequency signal to finish full-service and inserts.Owing in cable gateway, utilize the WiFi agreement to carry out encapsulation process to IP-based miscellaneous service, so at the cable termination place, can pass through the WiFi protocol processes, finish wired access of IP operation, can also pass through up-conversion, to 2.4GHz, utilize antenna to finish the wireless access of WiFi the radio frequency WiFi signal frequency conversion of the 1GHz that transmits in the coaxial cable.Thereby utilize lower cost and simple terminal equipment comparatively, realize the fusion of wired access and wireless access.
Embodiment
With FTTP (FTTP), and having only coaxial cable is example as the access conditions of service wire resource, and IP-based data network business is communicated with OLT by route, switching equipment, the Public Switched Telephone Network of carrying traditional voice transmission is communicated with OLT by voip gateway.The digital television business that television network broadcast carried carries with another optical wavelength 1550nm.The up-downgoing wavelength of OLT is respectively 1310nm and 1490nm.Utilize WDM technology, in an optical fiber, finish the transmission of 3 wavelength.OLT utilizes the optical network unit ONU of optical fiber and user side to join by passive optical network structure.ONU finishes opto-electronic conversion and corresponding protocol processing, utilizes twisted-pair feeder and coaxial cable to export IP operation and digital television business respectively to cable gateway.
Cable gateway comprises business such as Internet, VoIP, IPTV to the IP data of ONU output, carries out WiFi protocol encapsulation and up-conversion to 1GHz, and is multiplexing with the Digital Television radiofrequency signal of 40 ~ 860MHz, utilizes coaxial cable to finish end user's access.The filtering that cable termination is finished two frequency range radiofrequency signals separates, and exports the subscriber computer top box to for digital television signal.WiFi signal for 1GHz is finished down-conversion and protocol processes, exports user's IP network terminal to, as personal computer, IP set-top box, IP phone etc.Simultaneously cable termination is to the WiFi signal up-conversion in the coaxial cable, utilizes antenna to finish WLAN wireless access based on WiFi.Thereby realize that the data based on optical fiber and coaxial cable, the full-service of voice and video insert, and have realized that simultaneously the low cost of wired access and wireless access merges.
Claims (3)
1, a kind of based on optical fiber and coaxial whole-business accessing method, equipment comprises the optical line terminal (OLT) of ethernet passive optical network (EPON), Optical Distribution Network (ODN) and optical network unit (ONU) and optical wavelength-division multiplex/demodulation multiplexer (WDM), cable gateway and terminal equipment, wherein OLT equipment is connected by optical fiber between the ONU equipment, be connected by coaxial cable between cable gateway and the terminal, it is characterized in that finishing data network based on optical fiber and coaxial cable, communication network, the comprehensive access of all kinds of business that television network broadcast etc. carried, realize the fusion of wired access and wireless access simultaneously, diverse network is through exchange, processing such as protocol conversion are connected with the local side apparatus OLT of EPON optical-fiber network, utilize WDM technology, finished the up-downgoing carrying of all kinds of business in an optical fiber respectively by 3 wavelength, OLT joins by the optical network unit ONU of passive optical network structure and user side.ONU finishes opto-electronic conversion and corresponding protocol processing, utilizes twisted-pair feeder (UTP) and coaxial cable to export IP operation and digital television business respectively to cable gateway.
2, a kind of based on optical fiber and coaxial whole-business accessing method, equipment comprises the optical line terminal (OLT) of ethernet passive optical network (EPON), Optical Distribution Network (ODN) and optical network unit (ONU) and optical wavelength-division multiplex/demodulation multiplexer (WDM), cable gateway and terminal equipment, wherein OLT equipment is connected by optical fiber between the ONU equipment, be connected by coaxial cable between cable gateway and the terminal, it is characterized in that cable gateway carries out WiFi protocol encapsulation and up-conversion to 1GHz to the IP data of ONU output, multiplexing with the Digital Television radiofrequency signal of 40～860MHz, utilize coaxial cable to finish end user's access, the filtering that cable termination is finished two frequency range radiofrequency signals separates, export the subscriber computer top box to for digital television signal, finish down-conversion and WiFi protocol processes for the WiFi signal of 1GHz, by the ether Switching Module, export user's IP network terminal to.
3, the whole-business accessing method in claims 1 is characterized in that in cable termination, by to the WiFi signal up-conversion in the coaxial cable, finishes the WLAN wireless access, realizes the fusion of wire access technology and wireless access technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100168302A CN101610437B (en) | 2009-07-15 | 2009-07-15 | Full-service access method based on optical fibers and coaxial cable |
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| CN2009100168302A CN101610437B (en) | 2009-07-15 | 2009-07-15 | Full-service access method based on optical fibers and coaxial cable |
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| CN101610437A true CN101610437A (en) | 2009-12-23 |
| CN101610437B CN101610437B (en) | 2012-11-07 |
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| CN2009100168302A Expired - Fee Related CN101610437B (en) | 2009-07-15 | 2009-07-15 | Full-service access method based on optical fibers and coaxial cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814957A (en) * | 2010-03-09 | 2010-08-25 | 庞文凤 | WiFi (Wireless Fidelity) optical fiber radio central control system |
| CN102195838A (en) * | 2011-04-25 | 2011-09-21 | 中兴通讯股份有限公司 | Broadband access method and system based on coaxial distribution network |
| WO2011113316A1 (en) * | 2010-03-15 | 2011-09-22 | 中兴通讯股份有限公司 | Optical transmission device and passive optical network system |
| CN102820928A (en) * | 2012-08-27 | 2012-12-12 | 苏州金纳信息技术有限公司 | Optical fiber serial relay communication realization device |
| CN103001779A (en) * | 2012-09-29 | 2013-03-27 | 吉视传媒股份有限公司 | Data receiving terminal in network data transmission system |
| CN105915392A (en) * | 2016-06-12 | 2016-08-31 | 上海大学 | Wireless-cable hybrid gigabit broadband access system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450785A (en) * | 2002-04-05 | 2003-10-22 | 北京高吉特通信技术有限公司 | Distributed asymmetrical digital user line broadband optical fiber insertion system |
| CN101242674A (en) * | 2008-03-05 | 2008-08-13 | 浪潮电子信息产业股份有限公司 | An integrated service access system based on EPON and dual-mode STB |
| CN101296525A (en) * | 2008-06-25 | 2008-10-29 | 山东大学 | Local side OLT device with amalgamation access |
-
2009
- 2009-07-15 CN CN2009100168302A patent/CN101610437B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814957A (en) * | 2010-03-09 | 2010-08-25 | 庞文凤 | WiFi (Wireless Fidelity) optical fiber radio central control system |
| CN101814957B (en) * | 2010-03-09 | 2013-01-16 | 庞文凤 | WiFi (Wireless Fidelity) optical fiber radio central control system |
| WO2011113316A1 (en) * | 2010-03-15 | 2011-09-22 | 中兴通讯股份有限公司 | Optical transmission device and passive optical network system |
| CN102195838A (en) * | 2011-04-25 | 2011-09-21 | 中兴通讯股份有限公司 | Broadband access method and system based on coaxial distribution network |
| CN102195838B (en) * | 2011-04-25 | 2015-07-08 | 上海中兴思秸通讯有限公司 | Broadband access method and system based on coaxial distribution network |
| CN102820928A (en) * | 2012-08-27 | 2012-12-12 | 苏州金纳信息技术有限公司 | Optical fiber serial relay communication realization device |
| CN103001779A (en) * | 2012-09-29 | 2013-03-27 | 吉视传媒股份有限公司 | Data receiving terminal in network data transmission system |
| CN103001779B (en) * | 2012-09-29 | 2015-07-01 | 吉视传媒股份有限公司 | Data receiving terminal in network data transmission system |
| CN105915392A (en) * | 2016-06-12 | 2016-08-31 | 上海大学 | Wireless-cable hybrid gigabit broadband access system |
| CN105915392B (en) * | 2016-06-12 | 2019-08-20 | 上海大学 | A kind of gigabit broadband access system of Wireless-wire fusion |
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| Publication number | Publication date |
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| CN101610437B (en) | 2012-11-07 |
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