CN102624461A - Two-way transponding working method of optical fiber repeater and two-way transponding optical fiber repeater - Google Patents
Two-way transponding working method of optical fiber repeater and two-way transponding optical fiber repeater Download PDFInfo
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Abstract
The invention relates to a two-way transponding working method of an optical fiber repeater achieved by a two-way transponding optical fiber repeater. The two-way transponding optical fiber repeater comprises a main transceiver, a plurality of transponding transceivers, a main antenna feeder system, a main comprehensive combiner, a transponding antenna feeder system, a transponding comprehensive combiner, a sending combiner, a receiving splitter, a receiving power divider and an emitting combiner, wherein the main transceiver has a plurality of different operating frequencies and operating modes. According to the two-way transponding working method of the optical fiber repeater, the optical fiber repeater can not only cover the weak field adjacent to a master block through the master block, but also cover the weak field adjacent to a slave block through the slave block and provide wireless relay transmission for a wireless communication system with the plurality of frequencies and modes, and wireless relay communication requirements of the optical fiber repeater system in areas of tunnels, basement and the like are satisfied.
Description
Technical field
The present invention is a radio communication relay transmission technology, is applicable in the relay transmission of feeble field section to wireless communication system, belongs to wireless communication technology field.
Background technology
In present optical fiber repeater technology; Usually adopt near-end machine and remote termination to be used, wherein the near-end machine is near the base station, and mutual receiving and transmitting signal between the base station; Pass through the mutual transmission signals of fiber optic transmission system between near-end machine and the remote termination; Remote termination is relatively away from the base station and cover near the feeble field district the remote termination, and receiving and transmitting signal each other between the travelling carriage in remote termination and the remote termination coverage realizes that the near-end machine cooperates realization that the wireless relay between the travelling carriage in base station and the remote termination coverage is transmitted with remote termination; Near-end machine wherein do not possess near cover the near-end machine feeble field district and with the function of the mutual receiving and transmitting signal of travelling carriage; But at some like special areas such as tunnel, basements, because the restriction of specific factors such as position, track clearance, in these areas; Need the near-end machine to cooperate and cover feeble field district far away with remote termination; Also need near the feeble field district the near-end machine be covered, promptly require the near-end machine not only can through between optical transmission system and the remote termination each other transmission signals, cooperates remote termination to cover feeble field district, far field, the near-end machine also need cover near the feeble field district of near-end machine and have the function with the mutual receiving and transmitting signal of travelling carriage; Simultaneously; Optical fiber repeater also needs the comprehensive transmission function, and the wireless relay transmission requirement can be provided for the wireless communication system of a plurality of frequency ranges, multiple standard, and therefore existing optical fiber repeater system can not be applicable at such regional wireless relay communicating requirement.
Summary of the invention
In view of the foregoing; The object of the present invention is to provide two-way forwarding method of work of a kind of optical fiber repeater and two-way forwarding optical fiber repeater; Make the near-end machine of optical fiber repeater also have the function with the mutual receiving and transmitting signal of travelling carriage; Be that optical fiber repeater not only can cover the feeble field district adjacent with remote termination through remote termination; Also can cover the feeble field district adjacent, and the wireless relay transmission requirement can be provided for the wireless communication system of a plurality of frequency ranges, multiple standard, satisfy the wireless relay communicating requirement that the optical fiber repeater system is applicable to areas such as tunnel and basement through the near-end machine with the near-end machine.
For achieving the above object; The present invention introduces the two-way forwarding method of work of a kind of optical fiber repeater; Include main transmitting-receiving antenna transmission system, main comprehensive mixer, main transceiver, transmit transceiver, transmit comprehensive mixer, transmit the method for work that antenna transmission system is realized; It is characterized in that main transceiver is through mutual transmitting-receiving radiofrequency signal between main comprehensive mixer and main transmitting-receiving antenna transmission system and the base station; Transmit transceiver through transmitting comprehensive mixer and transmitting mutual transmitting-receiving radiofrequency signal between antenna transmission system and the travelling carriage; The receive frequency of main transceiver is consistent with the tranmitting frequency of its corresponding forwarding transceiver; The receive frequency of transmitting transceiver is consistent with the tranmitting frequency of its corresponding main transceiver; Main transmitting-receiving antenna transmission system and the employing spacing isolation method that is provided with of transmitting antenna transmission system are improved Signal Spacing degree each other; Adopt main comprehensive mixer and transmit comprehensive mixer and the received RF signal of different frequency range is carried out shunt receive and export; Adopt main comprehensive mixer and transmit and launch after comprehensive mixer closes the road to the emitting radio frequency signal of different frequency range, the reception output signal of main transmitting-receiving antenna-feedback system by main transceiver receive amplify, merit divides and sent by optical transmission system respectively after the output and launch through transmitting antenna transmission system by transmitting transceiver, with the reception output signal of transmitting antenna transmission system through transmit transceiver amplify export and close the road with the reception signal of optical transmission system after launch by main transceiver.
For realizing above-mentioned wireless composite transmission method; The present invention also introduces a kind of two-way forwarding optical fiber repeater; Include main transmitting-receiving antenna transmission system; (wherein: it is corresponding one by one with the working frequency range and the working form of each main transceiver that each transmits transceiver to it is characterized in that having the main transceiver of a plurality of different operating frequency ranges, different operating standard and corresponding a plurality of forwarding transceivers; That is: each forwarding transceiver is corresponding one by one on working frequency range and working form with certain main transceiver; Need to prove; Correspondence one by one so also comprises like: the receive frequency of main transceiver consistent with the tranmitting frequency of corresponding forwarding transceiver; The receive frequency of transmitting transceiver is consistent with the tranmitting frequency of corresponding main transceiver), forwarding antenna transmission system, comprehensive mixer of master, comprehensive mixer of forwarding, transmission mixer, received branch unit, a plurality of reception power splitter, a plurality of emission mixer; Main comprehensive mixer and transmit comprehensive mixer and constitute by mixer, power splitter, duplexer and the filter of a plurality of different frequency ranges; Received branch unit is made up of the power splitter and the filter of a plurality of different frequency ranges; The shunt input/output terminal of main comprehensive mixer is connected with each radio frequency input/output terminal of each main transceiver respectively; The road input/output terminal that closes of transmitting comprehensive mixer is connected with the receiving and transmitting signal input/output terminal of transmitting antenna transmission system; Each that transmit comprehensive mixer along separate routes input/output terminal is connected with each radio frequency input/output terminal that each transmits transceiver respectively, and the reception signal output part of each main transceiver is connected with the input that receives power splitter respectively, and each merit that receives power splitter divides output to be connected with the input that transmits of corresponding transfering the letter transceiver respectively; Each another merit that receives power splitter divides output to be connected with the shunt input that sends mixer respectively; The road signal output part that closes that sends mixer is connected with the electric signal input end of optical transmission system, and the road signal input part that closes of received branch unit is connected with the electrical signal of optical transmission system, and each shunting sign output of received branch unit is connected with a shunt input of each emission mixer respectively; Another shunt input of each emission mixer reception signal output part of the forwarding transceiver corresponding with respectively is connected, and the road output that closes of each emission mixer is connected with the input that transmits of a corresponding main transceiver respectively.
Operation principle of the present invention is: when described two-way forwarding optical fiber repeater is realized mutual signal transmission through main transceiver and base station; Main transceiver is distributed the base station signal that receives through receiving power splitter; Be transferred to remote termination through optical transmission system respectively and transmit through transmitting transceiver; Transmitting input signal that transceiver just receives signal and optical transmission system through the emission mixer closes and is transferred to main transceiver behind the road and launches; Realized that promptly signal between main transceiver and the base station transmits each other, main transceiver transmits through the signal between power splitter and mixer and the forwarding transceiver each other; Main transceiver transmits through the signal between optical transmission system and the remote termination each other; The signal of transmitting between transceiver and the travelling carriage transmits each other; Realized that promptly the base station is through mutual transmission signals between two-way forwarding optical fiber repeater and the travelling carriage; Two-way forwarding optical fiber repeater promptly is equivalent to have the optical fiber repeater near-end machine that covers adjacent feeble field district; And since adopted the main transceiver of a plurality of different operating frequency ranges, different operating standard, a plurality of and corresponding to working frequency range of each main transceiver and working form the forwarding transceiver, have the comprehensive mixer of multiband ability to work, received branch unit with frequency-selecting function, therefore described two-way forwarding optical fiber repeater can provide the wireless relay transmission to serve for the wireless communication system of a plurality of frequency ranges, multiple standard.
Description of drawings
Fig. 1 is the two-way forwarding optical fiber repeater integral module configuration electrical schematic diagram of one embodiment of the invention.
Embodiment
Below be example explanation embodiments of the invention with the accompanying drawing.
Pairing device of identical numbering among Fig. 1 and module title and function are identical, but working form separately, frequency range and frequency have can be different.
Fig. 1 is the two-way forwarding optical fiber repeater integral module configuration electrical schematic diagram of one embodiment of the invention, wherein:
1,2 is antenna transmission system; Adopt the antenna and the feeder line of corresponding main transceiver and forwarding transceiver wireless communication system frequency range to constitute; Wherein 1 is main antenna transmission system; 2 for transmitting antenna transmission system, between main antenna transmission system and forwarding antenna transmission system, adopts the method for spatial separation to avoid signal back coupling self-excitation, as: adopt the feeder line with certain intervals distance, the antenna that is provided with on the different gains direction to increase the Signal Spacing degree between antenna; 3 is main comprehensive mixer; 4 for transmitting comprehensive mixer; According to the band limits of each transmission signals that comprises in main transceiver and the forwarding transceiver wireless communication system, side signal transmission to; Main comprehensive mixer and transmit mixer, power splitter, duplexer and the filter that comprehensive mixer adopts a plurality of different frequency ranges and constitute has the Signal Spacing function between the shunt input/output port of each comprehensive mixer; 5-1 ~ 5-n is a plurality of main transceivers, adopts a plurality of radio receiving transmitting modules with different operating frequency range, different operating standard to constitute; 6-1 ~ 6-n is a plurality of forwarding transceivers; Adopt and a plurality ofly constitute with the corresponding respectively radio receiving transmitting module identical, that have different operating frequency range, different operating standard of each main transceiver; That is: 5-1 master's transceiver is corresponding consistent on working frequency range and working form with 6-1 forwarding transceiver; 5-n master's transceiver is corresponding consistent on working frequency range and working form with 6-n forwarding transceiver; The receive frequency of each main transceiver is consistent with the tranmitting frequency of its corresponding forwarding transceiver, and the receive frequency of each forwarding transceiver is consistent with the tranmitting frequency of its corresponding main transceiver; 7-1 ~ 7-n adopts conventional one-to-two power splitter to get final product for receiving power splitter; 8-1 ~ 8-n is the emission mixer, adopts routine one to close two mixers and gets final product; 9 for sending mixer, adopts conventional mixer to get final product; 10 is received branch unit, adopts conventional power splitter and frequency-selecting filter to constitute, and the logical scope of the band of frequency-selecting filter is logical consistent with corresponding transmission signals band, will receive signal and carry out shunt output according to working frequency range; 11 is the optical transceiver of optical transmission system, adopts conventional optical transceiver, corresponding to the same the getting final product of the signal of telecommunication of its input bandwidth index and transmission; 12 is optical branching device, adopts the optical branching device consistent with external number of fibers to get final product; 13,14 is optical fiber; The shunt input/output terminal of main comprehensive mixer is connected with each radio frequency input/output terminal of each main transceiver respectively; The road input/output terminal that closes of transmitting comprehensive mixer is connected with the receiving and transmitting signal input/output terminal of transmitting antenna transmission system; Each shunt input/output terminal of transmitting comprehensive mixer is connected with each radio frequency input/output terminal that each transmits transceiver respectively; The reception signal output part of each main transceiver is connected with the input that receives power splitter respectively; Each merit that receives power splitter divides output to be connected with the input that transmits of corresponding transfering the letter transceiver respectively; Each another merit that receives power splitter divides output to be connected with the shunt input that sends mixer respectively; The road signal output part that closes that sends mixer is connected with the electric signal input end of optical transmission system; The road signal input part that closes of received branch unit is connected with the electrical signal of optical transmission system; Each shunting sign output of received branch unit is connected with a shunt input of each emission mixer respectively, and another shunt input of each emission mixer reception signal output part of the forwarding transceiver corresponding with respectively is connected, and the road output that closes of each emission mixer is connected with the input that transmits of a corresponding main transceiver respectively.
According to shown in the above-mentioned accompanying drawing and each functional module of explanation configuration, components and parts, join dependency device blocks can accomplish enforcement of the present invention.
The present invention introduced a kind of by a plurality of different operating frequency ranges, different operating standard main transceiver and a plurality of forwarding transceiver, main antenna transmission system, main comprehensive mixer, transmit antenna transmission system, transmit comprehensive mixer, send mixer, received branch unit, reception power splitter,, the two-way forwarding method of work of optical fiber repeater that realized of the two-way forwarding optical fiber repeater that constitutes of emission mixer; Make optical fiber repeater to cover the feeble field district adjacent through remote termination with remote termination; Also can cover the feeble field district adjacent through the near-end machine with the near-end machine; And the wireless relay transmission requirement can be provided for the wireless communication system of a plurality of frequency ranges, multiple standard, satisfy the wireless relay communicating requirement that the optical fiber repeater system is applicable to areas such as tunnel and basement.
Claims (2)
1. two-way forwarding method of work of optical fiber repeater; Include main transmitting-receiving antenna transmission system, main comprehensive mixer, main transceiver, transmit transceiver, transmit comprehensive mixer, transmit the method for work that antenna transmission system is realized; It is characterized in that main transceiver is through mutual transmitting-receiving radiofrequency signal between main comprehensive mixer and main transmitting-receiving antenna transmission system and the base station; Transmit transceiver through transmitting comprehensive mixer and transmitting mutual transmitting-receiving radiofrequency signal between antenna transmission system and the travelling carriage; The receive frequency of main transceiver is consistent with the tranmitting frequency of its corresponding forwarding transceiver; The receive frequency of transmitting transceiver is consistent with the tranmitting frequency of its corresponding main transceiver; Main transmitting-receiving antenna transmission system and the employing spacing isolation method that is provided with of transmitting antenna transmission system are improved Signal Spacing degree each other; Adopt main comprehensive mixer and transmit comprehensive mixer and the received RF signal of different frequency range is carried out shunt receive and export; Adopt main comprehensive mixer and transmit and launch after comprehensive mixer closes the road to the emitting radio frequency signal of different frequency range; The reception output signal of main transmitting-receiving antenna-feedback system by main transceiver receive amplify, merit divides and sent by optical transmission system respectively after the output and launch through transmitting antenna transmission system by transmitting transceiver, with the reception output signal of transmitting antenna transmission system through transmit transceiver and amplify output and close the road with the reception signal of optical transmission system after launch by main transceiver.
2. two-way forwarding optical fiber repeater; Include main transmitting-receiving antenna transmission system; It is characterized in that having a plurality of main transceivers with different operating frequency range, different operating standard and corresponding a plurality of forwarding transceivers, one transmit antenna transmission system, comprehensive mixer of master, one and transmit comprehensive mixer, one and send mixer, received branch unit, a plurality of reception power splitter, a plurality of emission mixer; Main comprehensive mixer and transmit comprehensive mixer and constitute by mixer, power splitter, duplexer and the filter of a plurality of different frequency ranges; Received branch unit is made up of the power splitter and the filter of a plurality of different frequency ranges; The shunt input/output terminal of main comprehensive mixer is connected with each radio frequency input/output terminal of each main transceiver respectively; The road input/output terminal that closes of transmitting comprehensive mixer is connected with the receiving and transmitting signal input/output terminal of transmitting antenna transmission system; Each shunt input/output terminal of transmitting comprehensive mixer is connected with each radio frequency input/output terminal that each transmits transceiver respectively; The reception signal output part of each main transceiver is connected with the input that receives power splitter respectively; Each merit that receives power splitter divides output to be connected with the input that transmits of corresponding transfering the letter transceiver respectively; Each another merit that receives power splitter divides output to be connected with the shunt input that sends mixer respectively; The road signal output part that closes that sends mixer is connected with the electric signal input end of optical transmission system, and the road signal input part that closes of received branch unit is connected with the electrical signal of optical transmission system, and each shunting sign output of received branch unit is connected with a shunt input of each emission mixer respectively; Another shunt input of each emission mixer reception signal output part of the forwarding transceiver corresponding with respectively is connected, and the road output that closes of each emission mixer is connected with the input that transmits of a corresponding main transceiver respectively.
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| CN201210108549.3A CN102624461B (en) | 2012-04-15 | 2012-04-15 | Optical fiber repeater two-way converting method of work and two-way converting optical fiber repeater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228167A (en) * | 2015-08-25 | 2016-01-06 | 中国人民解放军总参谋部工程兵第四设计研究院 | A kind of radio communication orientation sensing base station |
| CN105450284A (en) * | 2015-12-23 | 2016-03-30 | 通号通信信息集团上海有限公司 | Primary and hierarchical combiner for railway communication optical fiber repeater with bidirectional communication function |
| CN106533569A (en) * | 2016-10-26 | 2017-03-22 | 中国科学院半导体研究所 | Laser signal enhancement compensation device and method |
| CN111147119A (en) * | 2019-12-23 | 2020-05-12 | 京信通信系统（中国）有限公司 | DAS combiner system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000007806A (en) * | 1998-07-07 | 2000-02-07 | 정용문 | Transmission system in optical switching system and methode thereof |
| CN200973095Y (en) * | 2004-11-05 | 2007-11-07 | 京信通信系统（广州）有限公司 | Mobile communication digital optical fibre directly amplifying application system |
| JP4772596B2 (en) * | 2006-06-07 | 2011-09-14 | 株式会社東芝 | ROF system, optical receiver and automatic adjustment method thereof |
| CN201114046Y (en) * | 2007-08-31 | 2008-09-10 | 京信通信系统（中国）有限公司 | Digital optical fibre repeater station system possessing up link multichannel receiving function |
| CN102394698A (en) * | 2011-10-26 | 2012-03-28 | 奥维通信股份有限公司 | Simulated optical fiber repeater distribution system integrated with coverage antenna |
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2012
- 2012-04-15 CN CN201210108549.3A patent/CN102624461B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228167A (en) * | 2015-08-25 | 2016-01-06 | 中国人民解放军总参谋部工程兵第四设计研究院 | A kind of radio communication orientation sensing base station |
| CN105228167B (en) * | 2015-08-25 | 2019-04-19 | 中国人民解放军总参谋部工程兵第四设计研究院 | A kind of wireless communication orientation sensing base station |
| CN105450284A (en) * | 2015-12-23 | 2016-03-30 | 通号通信信息集团上海有限公司 | Primary and hierarchical combiner for railway communication optical fiber repeater with bidirectional communication function |
| CN105450284B (en) * | 2015-12-23 | 2019-10-01 | 通号通信信息集团上海有限公司 | It is a kind of can two-way communication the main classification combiner of railway communication optical fiber repeater |
| CN106533569A (en) * | 2016-10-26 | 2017-03-22 | 中国科学院半导体研究所 | Laser signal enhancement compensation device and method |
| CN111147119A (en) * | 2019-12-23 | 2020-05-12 | 京信通信系统（中国）有限公司 | DAS combiner system |
| CN111147119B (en) * | 2019-12-23 | 2021-09-03 | 京信网络系统股份有限公司 | DAS combiner system |
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