CN201048382Y - Multi-frequency band optical fiber repeater - Google Patents
Multi-frequency band optical fiber repeater Download PDFInfo
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- CN201048382Y CN201048382Y CNU2006201546343U CN200620154634U CN201048382Y CN 201048382 Y CN201048382 Y CN 201048382Y CN U2006201546343 U CNU2006201546343 U CN U2006201546343U CN 200620154634 U CN200620154634 U CN 200620154634U CN 201048382 Y CN201048382 Y CN 201048382Y
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- optical fiber
- end machine
- light
- multiband
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Abstract
The utility model relates to a multiple frequency band optical fiber direct charging station which comprises a multiple work dividing-combining device, a proximal end machine, a far end machine. The proximal end machine and the far end machine are connected through optical fibers. The proximal end machine is simultaneously connected with mobile communication base stations in each frequency section via the multiple work dividing-combining device, and the proximal end machine and the far end machine are connected through a pair of optical fibers. Mobile communication signals such as GSM, DCS, CDMA and WCDMA in a plurality of frequency sections can be separated and combined into combined upgoing signal and combined downgoing signal to transmit through a set of equipment by using the utility model. The covering of signals in multiple frequency sections can be realized conveniently. The utility model has the advantages of reasonable structure, high integral degree, convenient capacitance expanding, small occupying area, simple line connecting, beauty and practicality, and low produce cost, etc.
Description
Technical field
The utility model relates to the Mobile communication direct base station technology, is specifically related to a kind of multiband optical fiber repeater.
Background technology
Development along with mobile communication technology, the arrival of 3G mobile communication, mobile communications network is faced with the problem that the signal demand of multiple standards such as 2G and 3G and a plurality of frequency ranges covers simultaneously, traditional optical fiber repeater covers scheme as shown in Figure 1, the mobile communication signal of a frequency range need be provided with the optical fiber repeater of a cover one-segment, for the situation of the mobile communication signal that needs to cover a plurality of frequency ranges simultaneously, the optical fiber repeater that many one-segment then need be set simultaneously just can meet the demands.Clearly, existing one-segment optical fiber repeater technology exists equipment needed thereby many, complex structure, and it is many to consume fiber resource, and floor space is big, and the engineering line is mixed and disorderly, and the shortcoming that cost is high is not suitable for applying on a large scale.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, provides a kind of rational in infrastructure, the integrated level height, and floor space is little, the multiband optical fiber repeater that can cover a plurality of frequency band signals (as GSM, DCS, CDMA, WCDMA etc.) simultaneously that cost is low.
The purpose of this utility model is achieved through the following technical solutions: a kind of multiband optical fiber repeater, comprise near-end machine, remote termination, described near-end machine is connected by optical fiber with remote termination, it is characterized in that: comprise that also the multiplex (MUX) divides mixer, described near-end machine divides mixer to be connected with the mobile communication base station of each frequency range simultaneously by the multiplex (MUX), and described remote termination is connected by a pair of optical fiber with the near-end machine.
Described multiplex (MUX) divides mixer one end to be connected with the mobile communication base station of each frequency range by coupler, and the other end is connected with the near-end machine.
Described near-end machine comprises that near-end downlink radio frequency module, the up radio-frequency module of near-end, light are sent out module, light is received module, and described near-end downlink radio frequency module is sent out module with light and is connected, and the up radio-frequency module of described near-end is received module with light and is connected.
Described remote termination comprises far-end photovoltaic element and multiband trunk amplifier, and described far-end photovoltaic element is connected with the multiband trunk amplifier.
Described far-end photovoltaic element comprises that light is received module, light is sent out module, far-end RF module, and described far-end RF module is sent out module with light receipts module and light simultaneously and is connected.
Action principle of the present utility model is: the multi-band signal that a plurality of mobile communication base stations produce is sent to the multiplex (MUX) by coupler respectively and divides mixer, the multiplex (MUX) divides mixer to isolate the downstream signal of each frequency range and synthesizes the composite downstream signal, the composite downstream signal is handled by the near-end machine and is modulated into light signal and is sent to remote termination by optical fiber, the far-end photovoltaic element becomes the mobile radio signal with converting optical signals, is amplified to enough power is carried out movable signal at last by antenna covering by the multiband trunk amplifier then.Its up course of work is the inverse process of above-mentioned downlink working process.The utility model separates mobile communication signals such as a plurality of frequency ranges such as GSM, DCS, CDMA, WCDMA, be merged into compound upward signal and the composite downstream signal transmits, and can realize the covering of multiband easily by a machine.
The utility model has following advantage and effect with respect to prior art: 1, multiband transmission; This equipment can be transferred to the signal of a plurality of frequency ranges such as GSM, DCS, CDMA, WCDMA etc. simultaneously remote termination and cover.2, cost is low; When carrying out the covering of a plurality of frequency band signals, only need a cover with this multiband optical fiber repeater, the optical fiber repeater of using one-segment then needs many covers.3, it is few to take fiber resource; When carrying out the covering of a plurality of frequency band signals, only need a pair of optical fiber with this multiband optical fiber repeater, the optical fiber repeater of using one-segment then needs many to optical fiber.4, floor space is little, and line is few, and is attractive in appearance.Can replace the optical fiber repeaters of many cover one-segment with this multiband optical fiber repeater one cover, thereby characteristics such as it is little to have floor space, and line is simple, and is both artistic and practical.
Description of drawings
Fig. 1 is the structural representation of existing optical fiber repeater.
Fig. 2 is the structural representation of the utility model multiband optical fiber repeater.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
Fig. 2 shows concrete structure of the present utility model, as seen from Figure 2, this multiband optical fiber repeater comprises that the multiplex (MUX) divides mixer, near-end machine, remote termination, and described remote termination comprises far-end photovoltaic element and multiband trunk amplifier, and described far-end photovoltaic element is connected with the multiband trunk amplifier; Described multiplex (MUX) divides mixer one end to be connected with the mobile communication base station of each frequency range by coupler, and the other end is connected with the near-end machine; Described near-end machine is connected by a pair of optical fiber with remote termination.Described near-end machine comprises that near-end downlink radio frequency module, the up radio-frequency module of near-end, light are sent out module, light is received module, and described near-end downlink radio frequency module is sent out module with light and is connected, and the up radio-frequency module of described near-end is received module with light and is connected.Described far-end photovoltaic element comprises that light is received module, light is sent out module, far-end RF module, and described far-end RF module is sent out module with light receipts module and light simultaneously and is connected; Described far-end RF module is connected with the multiband trunk amplifier, and the multiband trunk amplifier is connected and is connected with cover antenna simultaneously.
The multiplex (MUX) of this equipment divides mixer, the near-end machine can be in the mobile communication base station be installed in the mobile communication base station machine room, the multiplex (MUX) that mobile communications network (GSM/DCS/CDMA/WCDMA/cdma2000 etc.) signal that takes out a plurality of frequency ranges by the coupling of high-power coupler is added to this equipment divides mixer, the multiplex (MUX) divides mixer that the multiband downstream signal of a plurality of base stations is separated into a plurality of downstream signals and a plurality of downstream signals are closed Lu Chengyi composite downstream signal to be added to the near-end machine, the near-end machine is modulated to the composite downstream signal light signal and arrives remote termination through Optical Fiber Transmission, remote termination is made up of far-end photovoltaic element and multiband trunk amplifier, the far-end photovoltaic element demodulates the composite downstream signal by the amplification of multiband trunk amplifier after receiving modulated optical signal, then by antenna emission the carrying out covering of movable signal.After the transmission of space, the travelling carriage (mobile phone) of a plurality of frequency ranges in the area of coverage just can have been received the movable signal of a plurality of frequency ranges.
More than be that downstream signal covers principle, just opposite for its transfer process of upward signal, the upward signal of a plurality of frequency ranges of being sent by a plurality of travelling carriages (mobile phone) is transferred to the remote termination antenna through the space, the remote termination antenna receiving signal is after the multiband trunk amplifier amplifies the synthetic compound upward signal in back, be modulated into light signal then, through optical fiber uplink optical signal is sent to the near-end machine, the near-end machine receives that carrying out light/electricity conversion behind the uplink optical signal that remote termination sends here demodulates compound upward signal and be added to the multiplex (MUX) and divide mixer, the multiplex (MUX) divides mixer with compound upward signal demultiplexing and select the upward signal of a plurality of frequency ranges respectively by multiplex's (duplex) filter, by coupler the upward signal of a plurality of frequency ranges is delivered to each base station respectively respectively at last.Like this, set up between just can base station by this multiband optical fiber repeater and to communicate by letter, enlarged the coverage of base station the travelling carriage (mobile phone) of a plurality of frequency ranges and a plurality of frequency ranges.
Claims (5)
1. multiband optical fiber repeater, comprise near-end machine, remote termination, described near-end machine is connected by optical fiber with remote termination, it is characterized in that: comprise that the multiplex (MUX) divides mixer, described near-end machine divides mixer to be connected with the mobile communication base station of each frequency range simultaneously by the multiplex (MUX), and described remote termination is connected by a pair of optical fiber with the near-end machine.
2. multiband optical fiber repeater according to claim 1 is characterized in that: described multiplex (MUX) divides mixer one end to be connected with the mobile communication base station of each frequency range by coupler, and the other end is connected with the near-end machine.
3. multiband optical fiber repeater according to claim 1, it is characterized in that: described near-end machine comprises that near-end downlink radio frequency module, the up radio-frequency module of near-end, light are sent out module, light is received module, described near-end downlink radio frequency module is sent out module with light and is connected, and the up radio-frequency module of described near-end is received module with light and is connected.
4. multiband optical fiber repeater according to claim 1 is characterized in that: described remote termination comprises far-end photovoltaic element and multiband trunk amplifier, and described far-end photovoltaic element is connected with the multiband trunk amplifier.
5. multiband optical fiber repeater according to claim 1 is characterized in that: described far-end photovoltaic element comprises that light is received module, light is sent out module, far-end RF module, and described far-end RF module is sent out module with light receipts module and light simultaneously and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201546343U CN201048382Y (en) | 2006-12-12 | 2006-12-12 | Multi-frequency band optical fiber repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201546343U CN201048382Y (en) | 2006-12-12 | 2006-12-12 | Multi-frequency band optical fiber repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201048382Y true CN201048382Y (en) | 2008-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201546343U Expired - Fee Related CN201048382Y (en) | 2006-12-12 | 2006-12-12 | Multi-frequency band optical fiber repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201048382Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| CN109639356A (en) * | 2018-12-28 | 2019-04-16 | 深圳市菲尔康通讯有限公司 | Optical fiber distribution system |
| CN109639357A (en) * | 2018-12-30 | 2019-04-16 | 南京泰通科技股份有限公司 | Railway GSM-R optic-fiber repeater system with the covering of GPS Beidou signal |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
-
2006
- 2006-12-12 CN CNU2006201546343U patent/CN201048382Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| CN109639356A (en) * | 2018-12-28 | 2019-04-16 | 深圳市菲尔康通讯有限公司 | Optical fiber distribution system |
| CN109639357A (en) * | 2018-12-30 | 2019-04-16 | 南京泰通科技股份有限公司 | Railway GSM-R optic-fiber repeater system with the covering of GPS Beidou signal |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20131212 |