CN101729150A - Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater - Google Patents
Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater Download PDFInfo
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- CN101729150A CN101729150A CN200910216237A CN200910216237A CN101729150A CN 101729150 A CN101729150 A CN 101729150A CN 200910216237 A CN200910216237 A CN 200910216237A CN 200910216237 A CN200910216237 A CN 200910216237A CN 101729150 A CN101729150 A CN 101729150A
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Abstract
The invention discloses a transmission treatment method of an optical fiber repeater and a variable-channel transmission optical fiber repeater, wherein the repeater comprises the modules of a power supply, a microprocessor, an antenna feeder system, a plurality of radio receivers, a plurality of radio transmitters, optical fibers, a wavelength division multiplexer, a wavelength decomposition multiplexer, a radio signal division mixer, an optical transmission signal adaptor, an optical transmission interface and the like. The invention is capable of providing radio communication relay transmission service for all radio communication system users in special regions and tunnels, meets the requirements of reducing the number of antennas, reducing the number of the used optical fibers, reducing mutual interference among systems and meeting the insulation among the systems, is capable of realizing long-distance optical transmission relay among the optical fiber repeaters when the optical fibers are cascaded to the optical fiber repeaters, and has the characteristics of being applicable to a plurality of radio communication systems for relay transmission.
Description
Technical field
The present invention is a radio communication relay transmission technology, is applicable to the relay transmission of the wireless communication system of feeble field section, belongs to wireless communication technology field.
Background technology
In present wireless system, have the various wireless communication system, as GSM, CDAM, WCDMA, TD-SCDAM, wireless communication systems such as CDMA2000, in existing technology, above-mentioned wireless communication system all there is special-purpose separately optical fiber repeater as trunking, but because some special area and tunnels, because its position, the antenna installing space restriction that track clearance brings, the restriction of conditions such as number of fibers, the network planning of each wireless communication system is inconsistent, the base station location of each system, optical transmission route length and user distribution are inconsistent, phase mutual interference and system interval are from the influence of factors such as degree requirement, in these zones, therefore all trunkings all can not be installed on the relaying demand of wherein removing to satisfy each wireless communication system, existing optical fiber repeater can not satisfy in such zone the trunking traffic requirement to each wireless communication system user.
Summary of the invention
In view of the foregoing, the object of the present invention is to provide a kind of optical fiber repeater method for transmission processing and become Channel Transmission formula optical fiber repeater, make optical fiber repeater to provide the service of radio communication relay transmission for the various types of wireless communication systems user who is in special area and the tunnel, satisfy and reduce antenna amount, reduce and use number of fibers, phase mutual interference and satisfy system interval between the minimizing system from requirements such as degree, when each optical fiber repeater of optical fiber cascade, can realize the long haul optical transmission relaying between the optical fiber repeater, and have and to be applicable to the characteristics of the various wireless communication system being carried out relay transmission.
For achieving the above object, the present invention introduces a kind of optical fiber repeater method for transmission processing and change Channel Transmission formula optical fiber repeater that is made of power supply, microprocessor, antenna-feedback system, a plurality of wireless receiver, a plurality of transmitting set, optical fiber, wavelength division multiplexer and Wave decomposing multiplexer etc., it is characterized in that adopting following process of signal transmission method:
(1) output signal of antenna-feedback system is isolated and Filtering Processing by merit branch, duplex, the signal of each frequency range of receiving is transported to corresponding wireless receiver respectively;
(2) transmitting of each transmitting set is transferred to antenna-feedback system by filtering, duplex isolation and after closing the road processing;
(3) output signal of each wireless receiver two different channels by wavelength division multiplexer are sent to optical fiber transport channel;
(4) output signal of the output signal of a channel of Wave decomposing multiplexer and some wireless receivers is closed the one other channel by wavelength division multiplexer sends to optical fiber transport channel behind the road.
(5) after being closed the road, the output signal of two channels of Wave decomposing multiplexer sends by some transmitting sets.
Operation principle of the present invention is: with the output signal of antenna-feedback system by the merit branch, duplex is isolated and Filtering Processing, the signal of each frequency range of receiving is transported to corresponding wireless receiver respectively, with transmitting of each transmitting set by filtering, duplex is isolated and is closed and is transferred to antenna-feedback system after handle on the road, in above-mentioned processing procedure, under the processing of filter, the frequency band of each wireless system is isolated, improve the isolation of different operating frequency range between each system, under the isolation of duplexer, improve the receive-transmit isolation of each system, adopting the merit branch and closing under the processing mode on road, can reduce the use antenna amount, be convenient to the installation in special area and tunnel; The output signal of wireless receiver two different channels by wavelength division multiplexer are sent to optical fiber transport channel; The output signal of the output signal of a channel of Wave decomposing multiplexer and wireless receiver closed the one other channel by wavelength division multiplexer sends to optical fiber behind the road, send by transmitting set after the output signal of two channels of Wave decomposing multiplexer closed the road, promptly adopt such optical transmission mode: make each optical fiber direct amplification stand in different position sections and use different wavelength division multiplexed channels, when the optical transmission relaying, adopt the mode of channel conversion, just can reduce the phase mutual interference in Optical Fiber Transmission, therefore number of fibers can be reduced, and when each optical fiber repeater of optical fiber cascade, the long haul optical transmission relaying between the optical fiber repeater can be realized.
Description of drawings
Fig. 1 is the optical fiber repeater method for transmission processing of one embodiment of the invention and becomes the whole electrical schematic diagram of Channel Transmission formula optical fiber repeater.
Fig. 2 is optical fiber repeater method for transmission processing of one embodiment of the invention and the detailed electrical schematic diagram that becomes Channel Transmission formula optical fiber repeater.
Fig. 3 is the optical fiber repeater method for transmission processing of one embodiment of the invention and becomes optical communication interface pie graph in the Channel Transmission formula optical fiber repeater.
Embodiment
Below be example explanation embodiments of the invention with the accompanying drawing.
Pairing device of identical numbering among Fig. 1 to Fig. 3 and module title and function are identical.
Fig. 1 is the optical fiber repeater method for transmission processing of one embodiment of the invention and becomes the whole electrical schematic diagram of Channel Transmission formula optical fiber repeater, wherein: A is that wireless signal divides mixer, B-1～B-n is a wireless receiver, C-1～C-n is a transmitting set, D-1～D-n is the optical transmission signal adapter, and E is the wavelength division multiplexer of band opto-electronic conversion, and F is the Wave decomposing multiplexer of band opto-electronic conversion, G is an optical communication interface, and H is external optical fiber.
Fig. 2 is optical fiber repeater method for transmission processing of one embodiment of the invention and the detailed electrical schematic diagram that becomes Channel Transmission formula optical fiber repeater, wherein the identical circuit part of function has been done and omitted expression, just only expressed D-1 as the optical transmission signal adapter, other be same structure;
In the A of Fig. 2: (1) divides mixer for merit, and the power splitter that employing can transmitted in both directions gets final product; (2)-1～and (2)～n is the system filter device, according to using on-the-spot needs to determine its quantity, determines its transmission bandwidth and associated transport index by the bandwidth of operation of each wireless communication system, and can carry out transmitted in both directions; (3)-1～(3)-n is a duplexer, according to using on-the-spot needs to determine its quantity, determines its transmission bandwidth and associated transport index by the bandwidth of operation of each wireless communication system; (4)-1～and (4)-n is the received signal filter, the index that selective system requires is determined its transmission objective; (5)-1～and (5)-n is the filter that transmits, the index that selective system requires is determined transmission objective; B-1～B-n is a wireless receiver, and the index that selective system requires is determined correlation function and indexs such as its gain, bandwidth, frequency conversion mode; C-1～C-n is a transmitting set, and the index that selective system requires is determined correlation function and indexs such as its gain, bandwidth, frequency conversion mode;
In the D-1 of Fig. 2: (7), (10), (11) are power splitter, adopt conventional power splitter to get final product; (8), (9), (12) are mixer, adopt conventional mixer both can, also can adopt can reverse transfer power splitter as mixer; E is the wavelength division multiplexer of band opto-electronic conversion, and F is the Wave decomposing multiplexer of band opto-electronic conversion, and E wherein, F are empty block diagram mark, and promptly in fact E, F are not included among the D-1; CHD1, CHD1 ' are the different electric input and output transceiver channel of wavelength division multiplexer and Wave decomposing multiplexer.
Fig. 3 is the optical fiber repeater method for transmission processing of one embodiment of the invention and becomes optical communication interface pie graph in the Channel Transmission formula optical fiber repeater, wherein: G is an optical communication interface, in the G of Fig. 3, (a) be light transmitting-receiving branch mixer, adopting conventional fiber two splitters to get final product, (b) is multi-direction type optical branch mixer, and its fundamental characteristics is the light signal from each optical interface input, can both adopt a plurality of optical branching devices to combine from other optical interface output.
Can finish enforcement of the present invention according to above-mentioned explanation and each functional module of illustrated arrangement, components and parts, join dependency device blocks.
The present invention sends the output signal of each wireless receiver a plurality of different channels by wavelength division multiplexer to optical fiber transport channel, send by some transmitting sets after the output signal of a plurality of channels of Wave decomposing multiplexer closed the road, can the present invention can be had widely use so that the present invention has the function of multi-direction transmission when using like this.
The present invention has a plurality of optical branching devices in the multi-direction type optical branch mixer in becoming Channel Transmission formula optical fiber repeater, each branch port of each optical branching device is connected respectively in twos with a certain branch port of other all optical branching devices, each optical branching device close the input/output interface of road port as external optical transmission, make the present invention easy to implement like this.
What the present invention introduced is a kind of by power supply, microprocessor, antenna-feedback system, a plurality of wireless receivers, a plurality of transmitting sets, optical fiber, wavelength division multiplexer and Wave decomposing multiplexer, wireless signal divides mixer, the optical transmission signal adapter, optical fiber repeater method for transmission processing that module constituted such as optical communication interface and change Channel Transmission formula optical fiber repeater, can provide the service of radio communication relay transmission for the various types of wireless communication systems user who is in special area and the tunnel, satisfy and reduce antenna amount, reduce and use number of fibers, phase mutual interference and satisfy system interval between the minimizing system from requirements such as degree, when each optical fiber repeater of optical fiber cascade, can realize the long haul optical transmission relaying between the optical fiber repeater, and have and to be applicable to the characteristics of the various wireless communication system being carried out relay transmission.
Claims (4)
1. an optical fiber repeater method for transmission processing that is made of power supply, microprocessor, antenna-feedback system, a plurality of wireless receiver, a plurality of transmitting set, optical fiber, wavelength division multiplexer and Wave decomposing multiplexer etc. and become Channel Transmission formula optical fiber repeater is characterized in that adopting following signal transmission method of work:
(1) output signal of antenna-feedback system is isolated and Filtering Processing by merit branch, duplex, the signal of each frequency range of receiving is transported to corresponding wireless receiver respectively;
(2) transmitting of each transmitting set is transferred to antenna-feedback system by filtering, duplex isolation and after closing the road processing;
(3) output signal of each wireless receiver two different channels by wavelength division multiplexer are sent to optical fiber transport channel;
(4) output signal of the output signal of a channel of Wave decomposing multiplexer and some wireless receivers is closed the one other channel by wavelength division multiplexer sends to optical fiber transport channel behind the road.
(5) after being closed the road, the output signal of two channels of Wave decomposing multiplexer sends by some transmitting sets.
2. optical fiber repeater method for transmission processing as claimed in claim 1 and change Channel Transmission formula optical fiber repeater, it is characterized in that in becoming Channel Transmission formula optical fiber repeater, having a wireless signal to divide mixer, a plurality of optical transmission signal adapters, an optical communication interface, wireless signal divides has a multichannel merit to divide mixer in the mixer, a plurality of duplexers and a plurality of system filter device, a plurality of received signal filters, a plurality of filters that transmit, the multichannel merit divides the terminal of closing of mixer to be connected with antenna-feedback system, the multichannel merit divides the branch end of mixer to be connected with a port of each system filter device respectively, the another port of each system filter device is connected with the input/output terminal of corresponding duplexer respectively, the received signal output of each duplexer is connected with corresponding received signal filter input end respectively, each received signal filter output is connected with corresponding wireless receiver received signal input respectively, each wireless receiver received signal output is connected with corresponding optical transmission signal adapter signal input part respectively, the input that transmits of each duplexer is connected with the corresponding filter output that transmits respectively, each filter input end that transmits is connected with the corresponding transmitting set output that transmits respectively, each transmitting set input that transmits is connected with corresponding optical transmission signal adapter signal output part respectively, there is one to send power splitter in each optical transmission signal adapter, two send mixer, two receive power splitter, one receives mixer, the received signal output of corresponding wireless receiver is connected with the input that sends power splitter, the output that sends power splitter is connected with the input of different transmission mixer respectively, the input that receives power splitter is connected with the electrical signal of the different channels of Wave decomposing multiplexer respectively, an output that receives power splitter is connected with the input that receives mixer respectively, the output of reception mixer is connected with the input that transmits of corresponding transmitting set, an output of the reception power splitter of the electrical signal of a certain channel of connection Wave decomposing multiplexer sends mixer by one and is connected with the electric signal input end of another channel of wavelength division multiplexer, a light transmitting-receiving branch mixer is arranged in the optical communication interface, a multi-direction type optical branch mixer, the light receiving signal output of light transmitting-receiving branch mixer is connected with the light receiving signal input of Wave decomposing multiplexer, the light of light transmitting-receiving branch mixer sends signal input part and is connected with the light transmission signal output part of wavelength division multiplexer, the light signal of light transmitting-receiving branch mixer closes the road input/output terminal and is connected with an input/output terminal of multi-direction type optical branch mixer, and other input/output terminals of multi-direction type optical branch mixer are connected with outside line optical fiber respectively.
3. optical fiber repeater method for transmission processing as claimed in claim 1 and change Channel Transmission formula optical fiber repeater, it is characterized in that the output signal of each wireless receiver a plurality of different channels by wavelength division multiplexer are sent to optical fiber transport channel, send by some transmitting sets after the output signal of a plurality of channels of Wave decomposing multiplexer is closed the road.
4. optical fiber repeater method for transmission processing as claimed in claim 2 and change Channel Transmission formula optical fiber repeater, it is characterized in that in the multi-direction type optical branch mixer in becoming Channel Transmission formula optical fiber repeater a plurality of optical branching devices being arranged, each branch port of each optical branching device is connected respectively in twos with some branch port of other all optical branching devices, each optical branching device close the input/output interface of road port as external optical transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102162372A CN101729150B (en) | 2009-11-18 | 2009-11-18 | Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater |
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| CN2009102162372A CN101729150B (en) | 2009-11-18 | 2009-11-18 | Transmission treatment method of optical fiber repeater and variable-channel transmission optical fiber repeater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938307A (en) * | 2010-08-24 | 2011-01-05 | 耿直 | Digital relay transmission method and multi-channel digital fiber optic repeater |
| 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 |
| CN106160866A (en) * | 2016-09-28 | 2016-11-23 | 成都奥克特科技有限公司 | Optical fiber repeater branch transmission method and by-passing type optical fiber repeater |
| 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 |
Family Cites Families (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 |
| CN101034943A (en) * | 2006-03-09 | 2007-09-12 | 上海欣民通信技术有限公司 | WCDMA optical fiber direct amplifying station |
| CN101183903A (en) * | 2006-11-13 | 2008-05-21 | 深圳市皓华网络通讯有限公司 | Digital optical fiber repeater system |
-
2009
- 2009-11-18 CN CN2009102162372A patent/CN101729150B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938307A (en) * | 2010-08-24 | 2011-01-05 | 耿直 | Digital relay transmission method and multi-channel digital fiber optic repeater |
| CN101938307B (en) * | 2010-08-24 | 2016-01-20 | 武汉安德瑞科技有限公司 | Digital junction transmission method and multi-path digital optical fiber repeater |
| 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 |
| CN106160866A (en) * | 2016-09-28 | 2016-11-23 | 成都奥克特科技有限公司 | Optical fiber repeater branch transmission method and by-passing type optical fiber repeater |
| CN106160866B (en) * | 2016-09-28 | 2018-09-28 | 嵊州市万智网络科技有限公司 | Optical fiber repeater branch transmission method and by-passing type optical fiber repeater |
| 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 |
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