CN106160866A - Optical fiber repeater branch transmission method and by-passing type optical fiber repeater - Google Patents
Optical fiber repeater branch transmission method and by-passing type optical fiber repeater Download PDFInfo
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- CN106160866A CN106160866A CN201610856465.6A CN201610856465A CN106160866A CN 106160866 A CN106160866 A CN 106160866A CN 201610856465 A CN201610856465 A CN 201610856465A CN 106160866 A CN106160866 A CN 106160866A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 239000013307 optical fiber Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000003044 adaptive effect Effects 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims description 9
- 230000005622 photoelectricity Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 102100031235 Chromodomain-helicase-DNA-binding protein 1 Human genes 0.000 description 2
- 101000777047 Homo sapiens Chromodomain-helicase-DNA-binding protein 1 Proteins 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- BPJREJZJPCLZIP-UHFFFAOYSA-N 4-(diazoniomethylidene)-7-(diethylamino)chromen-2-olate Chemical compound [N-]=[N+]=CC1=CC(=O)OC2=CC(N(CC)CC)=CC=C21 BPJREJZJPCLZIP-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
- H04B10/802—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections for isolation, e.g. using optocouplers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
The present invention is described a kind of by power supply, microprocessor, antenna-feedback system, wireless receiver, transmitting set, optical fiber, analog-digital converter and digital to analog converter, adaptive multiplexer and time-division demultiplexer, wireless signal combiner device, optical transmission signal adapter, the by-passing type optical fiber repeater of the module compositions such as optical communication interface, achieve a kind of optical fiber repeater branch transmission method, wireless communications relay transmission service can be provided for the various types of wireless communication systems user being in Special section and tunnel, antenna and number of fibers can be reduced, improve relay transmission distance, reduce system cost, interfere between minimizing system, and have the advantages that to can be suitably used for that various wireless communication system is carried out relay transmission.
Description
Technical field
The present invention is wireless communications relay transmission technology, it is adaptable to pass the relaying of the wireless communication system of feeble field section
Defeated, belong to wireless communication technology field.
Background technology
In current wireless system, there are various wireless communication system, as GSM, CDAM, WCDMA, TD-SCDAM,
The wireless communication systems such as CDMA2000, in existing technology, have the most special optical fiber straight above-mentioned wireless communication system
Put and stand as trunking, but due to some Special section and tunnel, the antenna peace brought due to its position, track clearance
The restriction of the conditions such as dress space restriction, number of fibers, the network planning of each wireless communication system is inconsistent, the base of each system
Station location, optical transport route length and user distribution is inconsistent, interfere and system interval is from the impact of the degree factor such as requirement,
In that region, it is impossible to all of trunking is all installed on the relaying need wherein removing to meet each wireless communication system
Asking, the most existing optical fiber repeater can not meet will to the trunking traffic of each wireless communication system user in such region
Ask；Correlation technique akin with the present invention is: the patent No. 2009102162372, optical fiber repeater method for transmission processing and change
Channel transmission type optical fiber repeater, wherein describes some schemes solving the problems referred to above, but in correlation technique, have employed ripple
Dividing multiplex technique, in terms of current technological development situation, the channel utilization of wavelength-division multiplex technique is the highest, and cost is big, transmission range
The most remote, it is impossible to meet the needs of reality application.
Summary of the invention
In view of the foregoing, it is an object of the invention to provide a kind of optical fiber repeater branch transmission method and by-passing type optical fiber is straight
Put station so that optical fiber repeater can provide channel radio for the various types of wireless communication systems user being in Special section and tunnel
Letter relay transmission service, satisfied minimizing antenna amount, minimizing use and interfere between number of fibers, minimizing system and meet system
Between the requirement such as isolation, the long distance optic transmission being capable of between optical fiber repeater when optical fiber cascades each optical fiber repeater
Relaying, and have the advantages that to can be suitably used for that various wireless communication system is carried out relay transmission;
For reaching above-mentioned purpose, the present invention introduces a kind of optical fiber repeater branch transmission method, include power supply, microprocessor,
Antenna-feedback system, shunt, combiner, wireless receiver, transmitting set, optical fiber, analog-digital converter, digital to analog converter, time-division
Multiplexer and time-division demultiplexer, optical-electrical converter, it is characterised in that employing signals below transmission method of work:
(1) output signal of antenna-feedback system is processed by shunt, the signal of each frequency range received is respectively delivered to
Corresponding wireless receiver；
(2) it is transferred to antenna-feedback system after being processed by filtering, duplex isolation and conjunction road by the transmitting signal of each transmitting set；
(3) output signal of each wireless receiver is digitized coding by analog-digital converter, then by digital coding
Different channels and optical-electrical converter by adaptive multiplexer send to optical fiber transport channel；
(4) with some after the output signal of a channel of a time-division demultiplexer being restored by digital signal restoring device
The output signal of wireless receiver is digitized coding by analog-digital converter after closing road, then passes through the another of adaptive multiplexer
One channel and optical-electrical converter send to optical fiber transport channel；
(5) some is passed through after the output signal of the two of time-division demultiplexer channels being restored by digital to analog converter and close road
Transmitting set sends.
For realizing above-mentioned method of work, the present invention also introduces a kind of by-passing type optical fiber repeater, it is characterised in that in branch
Formula optical fiber repeater has a wireless signal combiner device, multiple optical transmission signal adapter, an optical communication interface, wireless
Signal combiner device has a multichannel merit combiner device, multiple duplexer and multiple system filter, the filter of multiple reception signal
Ripple device, multiple transmitting traffic filter, a pair photoelectricity transmission transducer, have multipair modulus to turn in described photoelectricity transmission transducer
Parallel operation and digital to analog converter, a pair adaptive multiplexer and time-division demultiplexer, a pair optical-electrical converter；Multichannel merit combiner device
Close terminal to be connected with antenna-feedback system, the branch end of multichannel merit combiner device respectively with a port phase of each system filter
Connecting, the another port of each system filter input/output terminal with corresponding duplexer respectively is connected, each duplexer
Receiving signal output part to be connected with corresponding reception traffic filter input respectively, each receives traffic filter outfan and divides
Not receiving signal input part with corresponding wireless receiver to be connected, each wireless receiver receives signal output part respectively with corresponding
Optical transmission signal adapter signal input part be connected, the transmitting signal input part of each duplexer respectively with corresponding launch letter
Number filter output is connected, and each is launched traffic filter input and launches signal with corresponding transmitting set respectively and export
End is connected, each transmitting set launch signal input part respectively with corresponding optical transmission signal adapter signal output part phase
Connect, each optical transmission signal adapter has one send power splitter, two send combiner, two receive power splitter, one
Individual reception combiner, the signal output part that receives of corresponding wireless receiver is connected with the input sending power splitter, sends
The outfan of power splitter is connected from the different inputs sending combiner respectively, receive the input of power splitter respectively with number
The outfan of weighted-voltage D/A converter is connected, the input of each digital to analog converter respectively with the electricity of the different channels of time-division demultiplexer
Signal output part is connected, and the outfan receiving power splitter is connected with the input receiving combiner respectively, receives and closes
The outfan of road device is connected with the transmitting signal input part of corresponding transmitting set, connects the outfan of digital to analog converter
The outfan receiving power splitter is connected by an input sending combiner and an analog-digital converter, this modulus
The outfan of transducer is connected with the electric signal input end of adaptive multiplexer channel, has a light in optical communication interface
Transmitting-receiving branch combiner, a multi-direction type optical branch combiner, light receives and dispatches light receiving signal outfan and the light of branch's combiner
The light receiving signal input of electricity transmission converter is connected, and light is received and dispatched the light of branch's combiner and sent signal input part and photoelectricity
The light of transmission converter sends signal output part and is connected, and light is received and dispatched the optical signal of branch's combiner and closed road input/output terminal with many
Being connected to an input/output terminal of formula optical branch combiner, other input/output terminals of multi-direction type optical branch combiner divide
It is not connected with outside line optical fiber.
The operation principle of the present invention and beneficial effect
The output signal of antenna-feedback system is divided by merit, duplex isolation and Filtering Processing, the signal of each frequency range that will receive
It is respectively delivered to the wireless receiver of correspondence, the transmitting signal of each transmitting set by filtering, duplex isolation and is closed road
It is transferred to antenna-feedback system after process, in above-mentioned processing procedure, under the process of wave filter, the frequency band of each wireless system is given
With isolation, improve the isolation of different operating frequency range between each system, under the isolation of duplexer, improve the transmitting-receiving of each system
Isolation, under the processing mode using Gong Fenjihe road, it is possible to reduce use antenna amount, it is simple in special area and tunnel
Interior installation；Believed by two differences of adaptive multiplexer after the output signal of wireless receiver is digitized coded treatment
Road sends to optical fiber transport channel；Connect with wireless after the output signal of time-division demultiplexer channel is carried out digital-to-analogue conversion
The output signal of receipts machine closes road, and Zai Jianghe road signal passes through the one other channel of adaptive multiplexer to light after giving digital coding
Fibre sends, and the output signal of the two of time-division demultiplexer channels carries out digital-to-analogue conversion Hou He road, then by wireless
Transmitter sends；I.e. use such optical transport mode: given by transmission signal after digital coding processes at optical transport
System is transmitted, and each optical fiber direct amplification is stood in different position sections and uses different time division multiplex channels, at optical transport
The mode changing channel is used, it is possible to reduce interfering in fiber-optic transfer, therefore can reduce fiber count during relaying
Amount, and the long distance optic transmission relaying being capable of between optical fiber repeater when optical fiber cascades each optical fiber repeater.
Accompanying drawing explanation
Fig. 1 is the by-passing type optical fiber repeater entirety electrical schematic diagram of one embodiment of the invention；
Fig. 2 is the detailed electrical schematic diagram of the by-passing type optical fiber repeater of one embodiment of the invention；
Fig. 3 be one embodiment of the invention by-passing type optical fiber repeater in optical communication interface pie graph.
Detailed description of the invention
Embodiments of the invention are described below as a example by accompanying drawing；
In Fig. 1 to Fig. 3 be identically numbered corresponding device and module title and function is identical；
Fig. 1 is the by-passing type optical fiber repeater entirety electrical schematic diagram of one embodiment of the invention, wherein: A is wireless signal combiner
Device, B-1～B-n is wireless receiver, C-1～C-n is transmitting set, D-1～D-n is optical transmission signal switching
Device, E is the adaptive multiplexer of band opto-electronic conversion, and F is the time-division demultiplexer of band opto-electronic conversion, and G is optical communication interface, and H is outward
Connect optical fiber；
Fig. 2 is the detailed electrical schematic diagram of the by-passing type optical fiber repeater of one embodiment of the invention, wherein identical to function circuit
Part has been done omission and has been represented, as optical transmission signal adapter the most only indicates D-1, other for identical structure；
In the A of Fig. 2: (1) is merit combiner device, using can the power splitter of transmitted in both directions；(2)-1～(2)～n be
System filter, on-the-spot it needs to be determined that its quantity according to using, determine that it passes by the bandwidth of operation of each wireless communication system
Defeated bandwidth and associated transport index, and transmitted in both directions can be carried out；(3)-1～(3)-n is duplexer, according to using on-the-spot need
Determine its quantity, determine its transmission bandwidth and associated transport index by the bandwidth of operation of each wireless communication system；(4)-1
～(4)-n is for receiving traffic filter, the index of system requirements is selected to determine its transmission objective；(5)-1～(5)-n for sending out
Penetrate traffic filter, select the index of system requirements to determine transmission objective；B-1～B-n is wireless receiver, selects system to want
The index asked determines correlation function and the indexs such as its gain, bandwidth, conversion system；C-1～C-n is transmitting set, selects
The index of system requirements determines correlation function and the indexs such as its gain, bandwidth, conversion system；
In the D-1 of Fig. 2: (7), (10), (11) are power splitter, use conventional power splitter；(8), (9), (12) are for closing road
Device, uses conventional combiner both may be used, it would however also be possible to employ can the power splitter of reverse transfer as combiner；E is that photoelectricity transmission turns
The transmitting portion of parallel operation, wherein includes analog-digital converter, adaptive multiplexer and optical-electrical converter, and F is photoelectricity transmission transducer
Receiving portion, wherein include optical-electrical converter time-division demultiplexer and digital to analog converter；E, F therein are dashed box icon,
During i.e. E, F are not included in D-1；CHD1, CHD1 ' receive for the different electric input and output of adaptive multiplexer and time-division demultiplexer
Transmit；
Fig. 3 be one embodiment of the invention by-passing type optical fiber repeater in optical communication interface pie graph, wherein: G is that optical transport connects
Mouthful, in the G of Fig. 3, (a) is that light receives and dispatches branch's combiner, uses conventional fiber two splitter, and (b) is that multi-direction type light divides
Propping up combiner, its fundamental characteristics is the optical signal inputted from each optical interface, can export from other optical interface, use
Multiple optical branching devices combine；
As specified above and diagram configures each functional module, components and parts, connection related device module can complete the present invention
Enforcement.
The present invention can also is that the output signal of wireless receiver each in by-passing type optical fiber repeater multiple by the time-division
Send to optical fiber transport channel with multiple different channels of device, after the output signal of multiple channels of time-division demultiplexer is closed road
Sent by some transmitting set, so so that the present invention has the function of multi-direction transmission when application,
Enable the invention to wider application.
The present invention can also is that in the multi-direction type optical branch combiner in by-passing type optical fiber repeater have multiple optical branch
Device, each branch port of each optical branching device is connected the most two-by-two with a certain branch port of other all of optical branching devices
Connecing, the conjunction road port of each optical branching device, as the input/output interface of external optical transport, so makes the present invention easy to implement.
The present invention is described a kind of by power supply, microprocessor, antenna-feedback system, wireless receiver, transmitting set, light
Fibre, analog-digital converter and digital to analog converter, adaptive multiplexer and time-division demultiplexer, wireless signal combiner device, optical transport letter
The by-passing type optical fiber repeater of number module composition such as adapter, optical communication interface, it is achieved that a kind of optical fiber repeater branch transmission
Method, it is possible to the various types of wireless communication systems user for being in Special section and tunnel provides wireless communications relay transmission clothes
Business, it is possible to reduce antenna and number of fibers, raising relay transmission distance, reduce and interfere between system cost, minimizing system, and
Have the advantages that to can be suitably used for that various wireless communication system is carried out relay transmission.
Claims (4)
1. an optical fiber repeater branch transmission method, include power supply, microprocessor, antenna-feedback system, shunt, combiner,
Wireless receiver, transmitting set, optical fiber, analog-digital converter, digital to analog converter, adaptive multiplexer and time-division demultiplexer, light
Electric transducer, it is characterised in that employing signals below transmission method of work:
(1) output signal of antenna-feedback system is processed by shunt, the signal of each frequency range received is respectively delivered to
Corresponding wireless receiver；
(2) it is transferred to antenna-feedback system after being processed by filtering, duplex isolation and conjunction road by the transmitting signal of each transmitting set；
(3) output signal of each wireless receiver is digitized coding by analog-digital converter, then by digital coding
Different channels and optical-electrical converter by adaptive multiplexer send to optical fiber transport channel；
(4) with some after the output signal of a channel of a time-division demultiplexer being restored by digital signal restoring device
The output signal of wireless receiver is digitized coding by analog-digital converter after closing road, then passes through the another of adaptive multiplexer
One channel and optical-electrical converter send to optical fiber transport channel；
(5) some is passed through after the output signal of the two of time-division demultiplexer channels being restored by digital to analog converter and close road
Transmitting set sends.
2. a by-passing type optical fiber repeater, it is characterised in that have a wireless signal combiner in by-passing type optical fiber repeater
Device, multiple optical transmission signal adapter, an optical communication interface, have a multichannel merit combiner in wireless signal combiner device
Device, multiple duplexer and multiple system filter, multiple reception traffic filter, multiple transmitting traffic filter, a pair photoelectricity
Transmission converter, has multipair analog-digital converter and digital to analog converter, a pair adaptive multiplexer in described photoelectricity transmission transducer
And time-division demultiplexer, a pair optical-electrical converter；The conjunction terminal of multichannel merit combiner device is connected with antenna-feedback system, and multichannel merit is divided
The branch end of combiner is connected with a port of each system filter respectively, and the another port of each system filter is divided
Not being connected with the input/output terminal of corresponding duplexer, the reception signal output part of each duplexer receives signal with corresponding respectively
Filter input end is connected, and each receives traffic filter outfan and receives signal input part with corresponding wireless receiver respectively
Being connected, each wireless receiver receives signal output part and is connected with corresponding optical transmission signal adapter signal input part respectively
Connecing, the transmitting signal input part of each duplexer is connected with corresponding transmitting traffic filter outfan respectively, and each launches letter
Number filter input end is launched signal output part with corresponding transmitting set respectively and is connected, and each transmitting set launches signal
Input is connected with corresponding optical transmission signal adapter signal output part respectively, has one in each optical transmission signal adapter
Individual transmission power splitter, two transmission combiners, two reception power splitters, reception combiners, corresponding wireless receiver
Receiving signal output part to be connected with the input sending power splitter, the outfan sending power splitter closes from different transmissions respectively
The input of road device is connected, and the input receiving power splitter is connected with the outfan of digital to analog converter respectively, each digital-to-analogue
The input of transducer electrical signal with the different channels of time-division demultiplexer respectively is connected, and receives the one of power splitter
Individual outfan is connected with the input receiving combiner respectively, receives the outfan of combiner and corresponding transmitting set
Transmitting signal input part is connected, and the outfan receiving power splitter of the outfan connecting digital to analog converter is sent out by one
The input sending combiner and an analog-digital converter is connected, the outfan of this analog-digital converter and the one of adaptive multiplexer
The electric signal input end of channel is connected, and has a light to receive and dispatch branch's combiner, a multi-direction type optical branch in optical communication interface
Combiner, light receives and dispatches the light receiving signal outfan of branch's combiner and the light receiving signal input phase of photoelectricity transmission transducer
Connecting, the light transmission signal output part of light transmission signal input part and photoelectricity transmission transducer that light receives and dispatches branch's combiner is connected
Connecing, light receives and dispatches the optical signal conjunction road input/output terminal of branch's combiner and an input/output terminal of multi-direction type optical branch combiner
Being connected, other input/output terminals of multi-direction type optical branch combiner are connected with outside line optical fiber respectively.
3. by-passing type optical fiber repeater as claimed in claim 2, it is characterised in that by the output signal of each wireless receiver
Sent to optical fiber transport channel by multiple different channels of adaptive multiplexer, by the output of multiple channels of time-division demultiplexer
Signal is sent by some transmitting set after closing road.
4. optical fiber repeater branch transmission method as claimed in claim 3 and by-passing type optical fiber repeater, it is characterised in that
Multi-direction type optical branch combiner in by-passing type optical fiber repeater there is multiple optical branching device, each point of each optical branching device
Prop up port to be connected the most two-by-two with some branch port of other all of optical branching devices, the conjunction terminal of each optical branching device
Mouth is as the input/output interface of external optical transport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856465.6A CN106160866B (en) | 2016-09-28 | 2016-09-28 | Optical fiber repeater branch transmission method and by-passing type optical fiber repeater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856465.6A CN106160866B (en) | 2016-09-28 | 2016-09-28 | Optical fiber repeater branch transmission method and by-passing type optical fiber repeater |
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| CN106160866A true CN106160866A (en) | 2016-11-23 |
| CN106160866B CN106160866B (en) | 2018-09-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104697A (en) * | 2017-03-06 | 2017-08-29 | 上海乾视通信技术有限公司 | A kind of multi-band communication intrinsic safety base station |
| CN111970059A (en) * | 2019-05-20 | 2020-11-20 | 江苏永鼎通信有限公司 | Digital optical fiber repeater transmission system |
| CN111970062A (en) * | 2019-05-20 | 2020-11-20 | 江苏永鼎通信有限公司 | Digital processing method for digital optical fiber repeater transmission system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688260A (en) * | 1985-10-09 | 1987-08-18 | Westinghouse Electric Corp. | High-reliability fiber optic repeater |
| CN101123463A (en) * | 2007-08-10 | 2008-02-13 | 福建邮科通信技术有限公司 | Implementation method for remote distance relay of TD-SCDMA repeater |
| CN101729150A (en) * | 2009-11-18 | 2010-06-09 | 耿直 | Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater |
-
2016
- 2016-09-28 CN CN201610856465.6A patent/CN106160866B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688260A (en) * | 1985-10-09 | 1987-08-18 | Westinghouse Electric Corp. | High-reliability fiber optic repeater |
| CN101123463A (en) * | 2007-08-10 | 2008-02-13 | 福建邮科通信技术有限公司 | Implementation method for remote distance relay of TD-SCDMA repeater |
| CN101729150A (en) * | 2009-11-18 | 2010-06-09 | 耿直 | Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104697A (en) * | 2017-03-06 | 2017-08-29 | 上海乾视通信技术有限公司 | A kind of multi-band communication intrinsic safety base station |
| CN107104697B (en) * | 2017-03-06 | 2019-07-12 | 上海乾视通信技术有限公司 | A kind of multi-band communication intrinsic safety base station |
| CN111970059A (en) * | 2019-05-20 | 2020-11-20 | 江苏永鼎通信有限公司 | Digital optical fiber repeater transmission system |
| CN111970062A (en) * | 2019-05-20 | 2020-11-20 | 江苏永鼎通信有限公司 | Digital processing method for digital optical fiber repeater transmission system |
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| Publication number | Publication date |
|---|---|
| CN106160866B (en) | 2018-09-28 |
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