CN203968134U - Optical fiber, Ethernet mixed type multi-service Digital Access system - Google Patents
Optical fiber, Ethernet mixed type multi-service Digital Access system Download PDFInfo
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- CN203968134U CN203968134U CN201420169480.XU CN201420169480U CN203968134U CN 203968134 U CN203968134 U CN 203968134U CN 201420169480 U CN201420169480 U CN 201420169480U CN 203968134 U CN203968134 U CN 203968134U
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Abstract
The utility model relates to a kind of optical fiber, Ethernet mixed type multi-service Digital Access system, and it is coordinated, and difficulty is low, construction period is short and can avoid secondary construction.It comprises near-end access unit, a plurality of expanding element and a plurality of far-end capping unit, and near-end access unit is comprised of G/D duplexer, G/D down link, G/D up link, W duplexer, W down link, W up link, near-end frequency-conversion processing module, near-end digital signal processing module and access photoelectric conversion module; Expanding element closes road module, PSE module, POE distribution module and forms by expanding photoelectric conversion module, many signals; Far-end capping unit by far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module, 2G/3G down link, 2G/3G up link, PD module, WLAN close road module, multiplefrequency mixer forms.
Description
Technical field
the utility model belongs to Mobile communication direct base station field, relates in particular to a kind of optical fiber, Ethernet mixed type multi-service Digital Access system.
Background technology
along with the high speed development for many years of mobile public network, domestic carrier market presents the following feature at present.
1, each operator all possesses a plurality of Operation Networks.
2, any one Operation Network is all in the process in technical development and network evolution, and this process is by long-term existence.
3,, along with the increase of customer volume, the problem that original network wireless replace mode exists appears gradually and highlights.
4, base station architecture is gradually from macro base station to distributed base station evolution.
5, data service accounting increases gradually, more and more higher to the requirement of the signal communication quality of network.
for above-mentioned certain situation, how realizing the overall depth coverage optimization of the wireless Operation Network of operator is a more and more important problem.
Summary of the invention
the utility model is exactly for the problems referred to above, and a kind of optical fiber, Ethernet mixed type multi-service Digital Access system that difficulty is low, construction period is short and can avoid secondary to construct of coordinating is provided.
for achieving the above object, the utility model adopts following technical scheme, the utility model comprises near-end access unit, a plurality of expanding elements and a plurality of far-end capping unit, its structural feature near-end access unit is by G/D duplexer, G/D down link, G/D up link, W duplexer, W down link, W up link, near-end frequency-conversion processing module, near-end digital signal processing module and access photoelectric conversion module form, G/D duplexer, G/D down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, G/D up link, G/D duplexer is connected successively, W duplexer, W down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, W up link, W duplexer is connected successively.
described expanding element closes road module, PSE module, POE distribution module and forms by expanding photoelectric conversion module, many signals, many signals close road module port and are connected with expansion photoelectric conversion module port, POE distribution module port, WLAN signal input port, photosignal output port respectively, and PSE module port is connected with POE distribution module port.
described far-end capping unit is by far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module, 2G/3G down link, 2G/3G up link, PD module, WLAN closes road module, multiplefrequency mixer forms, photosignal input port, far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module is connected successively, filter module port respectively with 2G/3G down link input port, 2G/3G up link output port, PD module input mouth, WLAN closes road module port and is connected, multiplefrequency mixer port respectively with 2G/3G down link output port, 2G/3G up link input port, antenna is connected, WLAN close road mould port respectively with PD module, AP is connected.
described access photoelectric conversion module is connected with the expansion photoelectric conversion module of the first expanding element, the expansion photoelectric conversion module of the second expanding element respectively by optical fiber, and the expansion photoelectric conversion module of the second expanding element is connected with the expansion photoelectric conversion module of all the other expanding elements respectively; Photosignal output port is connected with photosignal input port with CAT5E UTP cable by optical fiber; The photosignal output port of an expanding element is connected with the photosignal input port of a plurality of far-end capping units respectively by CAT5E UTP cable.
as a kind of preferred version, many signals described in the utility model close road module and by 2G traffic filter, 3G traffic filter, mixer, WLAN, close road part and form, mixer port closes road part input port with 2G traffic filter output port, 3G traffic filter output port, WLAN respectively and is connected, and WLAN closes road part port and is connected with WLAN signal input port, photosignal output port respectively.
as another kind of preferred version, near-end digital signal processing module described in the utility model and remote digital processing module all adopt DON-G094516W21400303 type digital signal processing module; Described POE distribution module adopts TPS2376DDA chip, and PSE module adopts TPS23851 chip, and PD module adopts TPS23753A chip.
the utility model beneficial effect.
between the utility model expanding element and capping unit, can support optical fiber/Ethernet POE mixed mode simultaneously.Two kinds of standards of system integration 2G and 3G, and have broadband access function, broadband signal accesses and closes road at expanding element place, then by kilomega network port transmission, give the far-end of a plurality of coverings, far-end unit carries out digital processing to signal, realizes the covering of signal and broadband network.Adopt POE supply power mode, optional integrated antenna, makes the engineering of remote equipment only need a netting twine to solve signal covering, significantly shortens and reduce coordination difficulty and construction period.
in addition, the utility model is supported optical fiber and Ethernet POE transmission simultaneously, has made up the drawback that single mode is transmitted, and has supported broadband access function, the secondary of broadband access construction after avoiding.
Accompanying drawing explanation
below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
fig. 1 is the utility model near-end access unit schematic block circuit diagram.
fig. 2 is the utility model expanding element schematic block circuit diagram.
fig. 3 is the utility model far-end capping unit schematic block circuit diagram.
fig. 4 is that the many signals of the utility model close road modular circuit theory diagram.
fig. 5 is the utility model networking mode schematic diagram.
Embodiment
as shown in the figure, the utility model comprises near-end access unit, a plurality of expanding elements and a plurality of far-end capping unit, its structural feature near-end access unit is by G/D duplexer, G/D down link, G/D up link, W duplexer, W down link, W up link, near-end frequency-conversion processing module, near-end digital signal processing module and access photoelectric conversion module form, G/D duplexer, G/D down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, G/D up link, G/D duplexer is connected successively, W duplexer, W down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, W up link, W duplexer is connected successively.
described expanding element closes road module, PSE module, POE distribution module and forms by expanding photoelectric conversion module, many signals, many signals close road module port and are connected with expansion photoelectric conversion module port, POE distribution module port, WLAN signal input port, photosignal output port respectively, and PSE module port is connected with POE distribution module port.
described far-end capping unit is by far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module, 2G/3G down link, 2G/3G up link, PD module, WLAN closes road module, multiplefrequency mixer forms, photosignal input port, far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module is connected successively, filter module port respectively with 2G/3G down link input port, 2G/3G up link output port, PD module input mouth, WLAN closes road module port and is connected, multiplefrequency mixer port respectively with 2G/3G down link output port, 2G/3G up link input port, antenna is connected, WLAN close road mould port respectively with PD module, AP is connected.
described access photoelectric conversion module is connected with the expansion photoelectric conversion module of the first expanding element, the expansion photoelectric conversion module of the second expanding element respectively by optical fiber, and the expansion photoelectric conversion module of the second expanding element is connected with the expansion photoelectric conversion module of all the other expanding elements respectively; Photosignal output port is connected with photosignal input port with CAT5E UTP cable by optical fiber; The photosignal output port of an expanding element is connected with the photosignal input port of a plurality of far-end capping units respectively by CAT5E UTP cable.
described PD module is for separating of electric power and data-signal; Light signal in described photosignal is by Optical Fiber Transmission, and the signal of telecommunication transmits by CAT5E UTP cable.
described many signals close road module and by 2G traffic filter, 3G traffic filter, mixer, WLAN, close road part and form, mixer port closes road part input port with 2G traffic filter output port, 3G traffic filter output port, WLAN respectively and is connected, and WLAN closes road part port and is connected with WLAN signal input port, photosignal output port respectively.
described near-end digital signal processing module and remote digital processing module all adopt DON-G094516W21400303 type digital signal processing module; Described POE distribution module adopts TPS2376DDA chip, and PSE module adopts TPS23851 chip, and PD module adopts TPS23753A chip.DON-G094516W21400303 type digital signal processing module is Glan Tyke, Shenzhen Science and Technology Ltd. product, supports GSM900 16 passages, WCDMA2100 triple channel.
after the utility model access unit access base station information source, first carry out digitized processing, analog radio-frequency signal is transformed to digital radio signal and digital radio signal is processed and signal is broadcast to expanding element.
expanding element receives after the digital RF data that access unit sends over, and digital signal is carried out to frame conversion, and be broadcast to all far-end units.
far-end unit receives the data that expanding element sends over, and data are reverted to the initial state of radiofrequency signal.
be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; As long as meet, use needs, all within protection range of the present utility model.
Claims (3)
1.
optical fiber, Ethernet mixed type multi-service Digital Access system, comprise near-end access unit, a plurality of expanding elements and a plurality of far-end capping unit, it is characterized in that near-end access unit is by G/D duplexer, G/D down link, G/D up link, W duplexer, W down link, W up link, near-end frequency-conversion processing module, near-end digital signal processing module and access photoelectric conversion module form, G/D duplexer, G/D down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, G/D up link, G/D duplexer is connected successively, W duplexer, W down link, near-end frequency-conversion processing module, near-end digital signal processing module, access photoelectric conversion module is connected successively, access photoelectric conversion module, near-end digital signal processing module, near-end frequency-conversion processing module, W up link, W duplexer is connected successively,
described expanding element closes road module, PSE module, POE distribution module and forms by expanding photoelectric conversion module, many signals, many signals close road module port and are connected with expansion photoelectric conversion module port, POE distribution module port, WLAN signal input port, photosignal output port respectively, and PSE module port is connected with POE distribution module port;
described far-end capping unit is by far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module, 2G/3G down link, 2G/3G up link, PD module, WLAN closes road module, multiplefrequency mixer forms, photosignal input port, far-end photoelectric conversion module, remote digital processing module, far-end frequency-conversion processing module, filter module is connected successively, filter module port respectively with 2G/3G down link input port, 2G/3G up link output port, PD module input mouth, WLAN closes road module port and is connected, multiplefrequency mixer port respectively with 2G/3G down link output port, 2G/3G up link input port, antenna is connected, WLAN close road mould port respectively with PD module, AP is connected,
described access photoelectric conversion module is connected with the expansion photoelectric conversion module of the first expanding element, the expansion photoelectric conversion module of the second expanding element respectively by optical fiber, and the expansion photoelectric conversion module of the second expanding element is connected with the expansion photoelectric conversion module of all the other expanding elements respectively; Photosignal output port is connected with photosignal input port with CAT5E UTP cable by optical fiber; The photosignal output port of an expanding element is connected with the photosignal input port of a plurality of far-end capping units respectively by CAT5E UTP cable.
2.
optical fiber, Ethernet mixed type multi-service Digital Access system according to claim 1, it is characterized in that described many signals close road module and by 2G traffic filter, 3G traffic filter, mixer, WLAN, close road part and form, mixer port closes road part input port with 2G traffic filter output port, 3G traffic filter output port, WLAN respectively and is connected, and WLAN closes road part port and is connected with WLAN signal input port, photosignal output port respectively.
3.
according to claim 2, optical fiber, Ethernet mixed type multi-service Digital Access system, is characterized in that described near-end digital signal processing module and remote digital processing module all adopt DON-G094516W21400303 type digital signal processing module; Described POE distribution module adopts TPS2376DDA chip, and PSE module adopts TPS23851 chip, and PD module adopts TPS23753A chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420169480.XU CN203968134U (en) | 2014-04-10 | 2014-04-10 | Optical fiber, Ethernet mixed type multi-service Digital Access system |
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| CN201420169480.XU CN203968134U (en) | 2014-04-10 | 2014-04-10 | Optical fiber, Ethernet mixed type multi-service Digital Access system |
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| CN203968134U true CN203968134U (en) | 2014-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917421A (en) * | 2020-08-12 | 2020-11-10 | 广州市瀚云信息技术有限公司 | 5G signal radio frequency conversion distribution system and coverage unit air interface synchronization method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917421A (en) * | 2020-08-12 | 2020-11-10 | 广州市瀚云信息技术有限公司 | 5G signal radio frequency conversion distribution system and coverage unit air interface synchronization method thereof |
| CN111917421B (en) * | 2020-08-12 | 2022-07-01 | 广州市瀚云信息技术有限公司 | 5G signal radio frequency conversion distribution system and coverage unit air interface synchronization method thereof |
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Granted publication date: 20141126 Termination date: 20200410 |
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