CN201479389U - Hot backup fiber optic repeater - Google Patents
Hot backup fiber optic repeater Download PDFInfo
- Publication number
- CN201479389U CN201479389U CN2009201825580U CN200920182558U CN201479389U CN 201479389 U CN201479389 U CN 201479389U CN 2009201825580 U CN2009201825580 U CN 2009201825580U CN 200920182558 U CN200920182558 U CN 200920182558U CN 201479389 U CN201479389 U CN 201479389U
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- optical fiber
- hot spare
- signal
- end machine
- repeater
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Abstract
The utility model relates to a hot backup fiber optic repeater which comprises a near-end machine, a far-end machine and an optical fiber system used for transmitting optical signals, wherein the near/far end machine comprises an optical module and a duplexer connected with a base station/an amplifier respectively; the optical module of the near/far end machine comprises an photoelectric conversion module, a wavelength division multiplexer and a hot backup control device; the optical system comprises a main optical fiber and a backup optical fiber; two ends of the photoelectric module are respectively connected with the wavelength division multiplexer and the duplexer; the wavelength division multiplexer is connected with the main optical fiber; and the hot backup control device controls the backup optical fiber to replace the main optical fiber for work when the main optical fiber fails. The hot backup fiber optic repeater realizes the addition of backup functions on the basis of not adding the number of the optical fiber, thus guaranteeing the continuity of the work of the repeater.
Description
Technical field
The utility model relates to mobile communication technology, relates to when breaking down the optical fiber repeater that can work on by Hot Spare in particular.
Background technology
Fast development along with present mobile communication, mobile communications network need continue to enlarge signal cover, except increasing the base station, the repeater is as the relay repeater between base station and the travelling carriage, increasing the repeater also is a kind of comparatively effective and economic means, particularly is used widely in some invalid signals coverage holes, shadow regions such as the lower zone of user density, highway, airport, tunnel, tourist districts.
Existing repeater includes near-end machine and remote termination, directly be coupled from base station radio signal source and be converted to light signal of near-end machine, this light signal arrives remote termination through Optical Fiber Transmission, this remote termination then is converted to light signal wireless signal and amplifies by amplifier, covers for the objective area provides signal by retransmitting antenna then.Otherwise the signal of mobile phone also can be exaggerated and be sent to the base station along opposite path.But existing repeater generally all comprises two optical fiber at least, signal that is used to transmit from the base station to the mobile phone wherein, another root then is used for transmitting from the mobile phone to the signal of base station, thereby guarantee that both direction can both be unimpeded, like this, when wherein an optical fiber breaks down, then can break contact, at this moment needs are rushed to repair, and the use of this objective area mobile phone will be subjected to seriously influencing in the time of repairing.
In view of this, inventor's further investigation has this case to produce eventually.
The utility model content
The purpose of this utility model is to provide a kind of Hot Spare optical fiber repeater, to solve the problem that does not have remedial measure when optical fiber is out of order in the prior art and make troubles to the cellphone subscriber.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of Hot Spare optical fiber repeater, comprise the near-end machine, remote termination and two ends link to each other with remote termination with the near-end machine respectively and are used for the fibre system of transmitting optical signal, wherein, this near-end machine comprises optical module and the duplexer that links to each other with the base station, this remote termination comprises optical module and the duplexer that links to each other with amplifier, this near-end machine optical module and remote termination optical module include light/electric modular converter, wavelength division multiplexer and Hot Spare control device, this fibre system comprises main fiber and standby optical fiber, pass through light/electric modular converter successively from the radiofrequency signal that the near-end machine/the remote termination duplexer comes out, wavelength division multiplexer, this light/electric modular converter directly transmits by main fiber through the processing of wavelength division multiplexer device after radiofrequency signal is converted to light signal, and transfer to the wavelength division multiplexer and the light/electric modular converter of remote termination/near-end machine successively, this light/electric modular converter is converted to radiofrequency signal with light signal, and give the duplexer of remote termination/near-end machine with this radio signal transmission, this Hot Spare control device replaces main fiber work in the main fiber time control preparation of breaking down with optical fiber.
This Hot Spare control device is the radio frequency relay switch.
The corresponding respectively a pair of wavelength division multiplexer of this main fiber and standby optical fiber, the transmission signal that links to each other with one of them wavelength division multiplexer also all links to each other with a light/electric modular converter earlier with received signal, the radiofrequency signal value of this Hot Spare control device monitoring received signal end, when the radiofrequency signal performance number of main fiber during less than standby optical fiber radiofrequency signal performance number, this Hot Spare control device is connected into standby optical fiber the repeater and carries out work.
This near-end machine and remote termination include a plurality of duplexers, transmit branch/mixer and receive branch/mixer, the transmission end of these a plurality of duplexers all links to each other with transmission branch/mixer, the receiving terminal of these a plurality of duplexers all links to each other with reception branch/mixer, and this transmits branch/mixer and all links to each other with optical module with reception branch/mixer.
These a plurality of duplexers can link to each other with GSM, DCS and UMTS standard signal respectively.
This optical module also is connected with DC power supplier.
This optical module also is connected with the NMS control module that is used to control optical module, and this NMS control module also is connected with the modulator-demodulator that links to each other with external equipment.
Also be provided with coupler between this near-end machine and the base station.
After adopting said structure, because the optical module in this near-end machine and the remote termination all also includes wavelength division multiplexer, can be by this wavelength division multiplexer so that optical fiber has the function of transmitted in both directions, thereby only just can finish and transmit and receive two functions by an optical fiber, so its relatively prior art standby optical fiber is set when not increasing the optical fiber cost, like this, when there is fault in main fiber, can replace main fiber to make whole repeater continue to use standby optical fiber by the Hot Spare control device, thereby guaranteed the continuation of its work, brought the convenience that continues to the cellphone subscriber, also provide enough repairing times simultaneously to the mender.
Description of drawings
Fig. 1 is a whole principle schematic of the present utility model;
Fig. 2 is the inside principle schematic of near-end machine in the preferred embodiment of the present utility model;
Fig. 3 is the inside principle schematic of remote termination in the preferred embodiment of the present utility model;
Fig. 4 is the schematic diagram of a kind of control mode of the utility model Hot Spare control device;
The structural representation of the embodiment of the GSM amplifier that Fig. 5 relates to for the utility model.
Among the figure:
Hot Spare optical fiber repeater 100
Near-end machine 10
Duplexer 11 transmits branch/mixer 12
Receive branch/mixer 13 optical modules 14
Hot Spare control device 143 DC power supplier 15
Duplexer 21 transmits branch/mixer 22
Receive branch/mixer 23 optical modules 24
Hot Spare control device 243 DC power supplier 25
40 GSM base stations 41, base station
42 UMTS base stations 43, DCS base station
Duplexer 611 duplexers 612
613 LNA unit 614, HPA unit
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
Fig. 1 to shown in Figure 3 be the schematic diagram of the utility model preferred embodiment, as shown in Figure 1, a kind of Hot Spare optical fiber repeater 100, comprise near-end machine 10, remote termination 20 and fibre system 30, these fibre system 30 two ends link to each other with remote termination 20 with near-end machine 10 respectively and are used for transmitting optical signal, this fibre system 30 comprises main fiber 31 and standby optical fiber 32, between this near-end machine 10 and the base station 40 coupler 50 can also be set, selecting for use to field, repeater conventional means of concrete coupler 50 do not encyclopaedize at this.
As Fig. 2 and shown in Figure 4, this near-end machine 10 comprises duplexer 11 and optical module 14, this duplexer 11 links to each other with base station 40, this near-end machine optical module 14 comprises wavelength division multiplexer 141, light/electric modular converter 142 and Hot Spare control device 143, this light/electric modular converter 142 1 ends link to each other with duplexer 11, the other end links to each other with an end of wavelength division multiplexer 141, the other end of this wavelength division multiplexer 141 links to each other with main fiber 31, this Hot Spare control device 143 is connected into standby optical fiber 32 whole repeater and carries out work when main fiber 31 breaks down, need to prove, only show optical module among Fig. 2, but the optical module internal structure is not shown temporarily, specifically can understand with reference to Fig. 4.
As shown in Figures 3 and 4, this remote termination 20 comprises duplexer 21 and optical module 24, this duplexer 21 links to each other with amplifier 60, this remote termination optical module 24 comprises wavelength division multiplexer 241, light/electric modular converter 242 and Hot Spare control device 243, this light/electric modular converter 242 1 ends link to each other with duplexer 21, the other end links to each other with an end of wavelength division multiplexer 241, the other end of this wavelength division multiplexer 241 links to each other with main fiber 31, this Hot Spare control device 143 is connected into standby optical fiber 32 whole repeater and carries out work when main fiber 31 breaks down, duplexer 11,21 are used for isolation transmits and receives signal, can work simultaneously thereby guarantee to transmit and receive, need to prove, only show optical module among Fig. 3, but the optical module internal structure is not shown temporarily, specifically can understands with reference to Fig. 4.
The 40 signal transport process to mobile phone are from the base station, the radiofrequency signal that send base station 40 at first passes to near-end machine duplexer 11 through after the coupling of coupler 50, this near-end machine duplexer 11 sends radiofrequency signal to light/electric modular converter 142, this light/electric modular converter 142 is converted to light signal with radiofrequency signal and sends wavelength division multiplexer 141 processing to, handle after main fiber 31 is transferred to wavelength division multiplexer 241 processing of remote termination 20, optical signal transmission after wavelength division multiplexer is handled is given light/electric modular converter 242, this remote termination light/electric modular converter 242 passes to duplexer 21 after light signal is converted to radiofrequency signal, finally pass to amplifier 60 and amplify, mobile phone then receives the signal after the amplification.40 transport process is with 40 similar to the transmission course of mobile phone from the base station, so no longer encyclopaedize from the mobile phone to the base station.Like this, owing to adopted wavelength division multiplexer 141,241, signal all is directly to finish by main fiber 31 in the process that transmits and receive, and when main fiber 31 breaks down, this Hot Spare control device 143,243 are connected into the operating circuit of whole repeater with standby optical fiber 32, and the operating circuit that main fiber 31 is broken away from whole repeater, so just fully standby optical fiber 32 is replaced main fiber 31 and work, thereby when not increasing the optical fiber cost, make the continuity that when main fiber 31 breaks down, can also guarantee whole communication, thereby avoided the cellie's that the maintenance owing to main fiber 31 brings inconvenience.
This Hot Spare control device 143,243 can be switching device shifter of the prior art, it can link to each other with other circuit in the optical module 14,24, also can adopt the mode of induction and sense the fault of main fiber 31, as a kind of embodiment, this Hot Spare control device 1,43,243 is the radio frequency relay switch, when it detects/sense the fault of main fiber 31, it can link to each other wavelength division multiplexer 141,241 with standby optical fiber 32, thereby realizes standby optical fiber is replaced the effect of main fiber.In the specific implementation, as shown in Figure 4, the corresponding respectively a pair of wavelength division multiplexer 141 of this main fiber 31 and standby optical fiber 32,241, the transmission signal TX that links to each other with a wavelength division multiplexer 141 or 142 also all links to each other with a light/electric modular converter earlier with received signal RX, because in the specific implementation, this transmission signal TX is in transmit status always, Hot Spare control is then only at received signal RX, it is by the watt level of the radiofrequency signal that relatively receives, thereby determine to choose the signal that main fiber transmits and still choose the signal that standby Optical Fiber Transmission is come, promptly when the signal power of main fiber transmission hour, then the Hot Spare control device works, and main fiber is switched to standby optical fiber.Like this, this Hot Spare control device detects in the present embodiment be radiofrequency signal but not light signal, and what promptly it carried out is that radio frequency backs up.
In order to realize that the signal of multiple frequency band is transmitted simultaneously, near-end machine 10 has included a plurality of duplexers 11 with remote termination 20, it is 3 duplexers 11 as shown in Figures 2 and 3, its each duplexer 11 respectively with GSM base station 41 (Global System for MobileCommunications global system for mobile telecommunications), DCS base station 42 (Data CommunicationSubsystem data communication subsystem), UMTS base station 43 (Universal MobileTelecommunications System universal mobile telecommunications system) links to each other, describe as further refinement, the frequency of the up-downgoing of these three kinds of base station standards is the up 890-915MHZ of GSM, the descending 935-960MHZ of GSM, the up 1710-1785MHZ of DCS, the descending 1805-1880MHZ of DCS, the up 1920-1980MHZ of UMTS, the descending 2110-2180MHZ of UMTS, in order to make it possible to realize three kinds of signals time transmission, this near-end machine 10 includes with remote termination 20 and transmits branch/ mixer 12,22 and receive branch/ mixer 13,23, these a plurality of duplexers 11,21 transmission end all with transmit branch/ mixer 12,22 link to each other, these a plurality of duplexers 11,21 receiving terminal all with receive branch/ mixer 13,23 link to each other, and this transmits branch/ mixer 12,22 with receive branch/ mixer 13,23 all with optical module 14,24 link to each other.Transmission branch/the mixer 12 of this near-end machine 10 is a mixer, it is merged into one with a plurality of transmission signals and transmits signal, thereby supply with main fiber 31 transmission, transmission branch/the mixer 22 of this remote termination 20 is a splitter, and its transmission signal with main fiber 31 is divided into a plurality of signals and is transferred to duplexer 21; Reception branch/the mixer 23 of this remote termination 20 is a mixer, it merges into a received signal with a plurality of received signals, reception branch/the mixer 13 of this near-end machine 10 is a splitter, and it will be split as a plurality of signals from a received signal of main fiber 31 and supply with near-end machine duplexer and use.
For the ease of the use of optical module 14,24, this optical module 14,24 also is connected with DC power supplier 15,25.
In order to realize intelligent management, this optical module 14,24 also is connected with NMS (the Network Management System network management system) control module 16,26 that is used to control optical module 14,24, thereby realize optical fiber repeater is carried out this locality or remote monitoring, for the ease of linking to each other with external equipment, this NMS control module 16,26 also is connected with modulator-demodulator 17,27, and this modulator-demodulator 17,27 can adopt wireless type.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (8)
1. Hot Spare optical fiber repeater, comprise the near-end machine, remote termination and two ends link to each other with remote termination with the near-end machine respectively and are used for the fibre system of transmitting optical signal, it is characterized in that, this near-end machine comprises optical module and the duplexer that links to each other with the base station, this remote termination comprises optical module and the duplexer that links to each other with amplifier, this near-end machine optical module and remote termination optical module include light/electric modular converter, wavelength division multiplexer and Hot Spare control device, this fibre system comprises main fiber and standby optical fiber, pass through light/electric modular converter successively from the radiofrequency signal that the near-end machine/the remote termination duplexer comes out, wavelength division multiplexer, this light/electric modular converter directly transmits by main fiber through the processing of wavelength division multiplexer device after radiofrequency signal is converted to light signal, and transfer to the wavelength division multiplexer and the light/electric modular converter of remote termination/near-end machine successively, this light/electric modular converter is converted to radiofrequency signal with light signal, and give the duplexer of remote termination/near-end machine with this radio signal transmission, this Hot Spare control device replaces main fiber work in the main fiber time control preparation of breaking down with optical fiber.
2. a kind of Hot Spare optical fiber repeater as claimed in claim 1 is characterized in that this Hot Spare control device is the radio frequency relay switch.
3. a kind of Hot Spare optical fiber repeater as claimed in claim 1, it is characterized in that, the corresponding respectively a pair of wavelength division multiplexer of this main fiber and standby optical fiber, the transmission signal that links to each other with one of them wavelength division multiplexer also all links to each other with a light/electric modular converter earlier with received signal, the radiofrequency signal value of this Hot Spare control device monitoring received signal end, when the radiofrequency signal performance number of main fiber during less than standby optical fiber radiofrequency signal performance number, this Hot Spare control device is connected into standby optical fiber the repeater and carries out work.
4. a kind of Hot Spare optical fiber repeater as claimed in claim 1, it is characterized in that, this near-end machine and remote termination include a plurality of duplexers, transmit branch/mixer and receive branch/mixer, the transmission end of these a plurality of duplexers all links to each other with transmission branch/mixer, the receiving terminal of these a plurality of duplexers all links to each other with reception branch/mixer, and this transmits branch/mixer and all links to each other with optical module with reception branch/mixer.
5. a kind of Hot Spare optical fiber repeater as claimed in claim 4 is characterized in that, these a plurality of duplexers can link to each other with GSM, DCS and UMTS standard signal respectively.
6. a kind of Hot Spare optical fiber repeater as claimed in claim 1 is characterized in that this optical module also is connected with DC power supplier.
7. a kind of Hot Spare optical fiber repeater as claimed in claim 1 is characterized in that this optical module also is connected with the NMS control module that is used to control optical module, and this NMS control module also is connected with the modulator-demodulator that links to each other with external equipment.
8. a kind of Hot Spare optical fiber repeater as claimed in claim 1 is characterized in that, also is provided with coupler between this near-end machine and the base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201825580U CN201479389U (en) | 2009-08-05 | 2009-08-05 | Hot backup fiber optic repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201825580U CN201479389U (en) | 2009-08-05 | 2009-08-05 | Hot backup fiber optic repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479389U true CN201479389U (en) | 2010-05-19 |
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ID=42415644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201825580U Expired - Fee Related CN201479389U (en) | 2009-08-05 | 2009-08-05 | Hot backup fiber optic repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479389U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997571A (en) * | 2010-11-13 | 2011-03-30 | 武汉虹信通信技术有限责任公司 | Radio frequency back-up device used for multi-system communication system |
| CN102281106A (en) * | 2011-08-30 | 2011-12-14 | 大唐移动通信设备有限公司 | Fiber access method and equipment under load sharing scene |
| CN102780530A (en) * | 2011-12-26 | 2012-11-14 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
| CN114422761A (en) * | 2021-12-27 | 2022-04-29 | 上海睿观博光电科技股份有限公司 | Optical fiber transmission equipment for seamlessly switching ultrahigh-definition video signals |
-
2009
- 2009-08-05 CN CN2009201825580U patent/CN201479389U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997571A (en) * | 2010-11-13 | 2011-03-30 | 武汉虹信通信技术有限责任公司 | Radio frequency back-up device used for multi-system communication system |
| CN102281106A (en) * | 2011-08-30 | 2011-12-14 | 大唐移动通信设备有限公司 | Fiber access method and equipment under load sharing scene |
| CN102780530A (en) * | 2011-12-26 | 2012-11-14 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN102780530B (en) * | 2011-12-26 | 2015-04-08 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
| CN114422761A (en) * | 2021-12-27 | 2022-04-29 | 上海睿观博光电科技股份有限公司 | Optical fiber transmission equipment for seamlessly switching ultrahigh-definition video signals |
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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: 20100519 Termination date: 20120805 |