CN101729150B - 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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- CN101729150B CN101729150B CN2009102162372A CN200910216237A CN101729150B CN 101729150 B CN101729150 B CN 101729150B CN 2009102162372 A CN2009102162372 A CN 2009102162372A CN 200910216237 A CN200910216237 A CN 200910216237A CN 101729150 B CN101729150 B CN 101729150B
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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; Like wireless communication systems such as GSM, CDAM, WCDMA, TD-SCDAM, 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 the restriction of conditions such as the antenna installing space restriction that its position, track clearance bring, 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 is inconsistent, phase mutual interference and system interval be from the influence of factors such as degree requirement, in these zones; Therefore can not all trunkings all 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 the service of radio communication relay transmission to be provided for the various types of wireless communication systems user who is in special area and the tunnel; Satisfy to reduce antenna amount, reduce and use between number of fibers, minimizing system the phase mutual interference and satisfy system interval 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 up 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) the output signal of antenna-feedback system is isolated and Filtering Processing through merit branch, duplex, the signal of each frequency range that receives is transported to the wireless receiver of correspondence respectively;
(2) transmitting of each transmitting set is transferred to antenna-feedback system through filtering, duplex isolation and after closing the road processing;
(3) the output signal of each wireless receiver two different channels through wavelength division multiplexer are sent to optical fiber transport channel;
(4) the output signal of the output signal of a channel of Wave decomposing multiplexer and some wireless receivers is closed the one other channel through 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 through some transmitting sets.
For realizing above-mentioned method of work; The present invention also introduces a kind of 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 adapter, an optical communication interface; Wireless signal divides has a multichannel merit to divide mixer, a plurality of duplexer and a plurality of system filter device, a plurality of reception traffic filter, a plurality of filter that transmits in the mixer; 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 reception signal output part of each duplexer is connected with corresponding reception traffic filter input respectively; Each receives the traffic filter output and is connected with corresponding wireless receiver reception signal input part respectively; Each wireless receiver receives signal output part and 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, has one to send power splitter, two and send mixers, two and receive power splitters, one and receive mixer in each optical transmission signal adapter, and the reception signal output part of corresponding wireless receiver is connected with the input of transmission 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, and an output that receives power splitter is connected with the input that receives mixer respectively, and the output that receives 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 through one and is connected with the electric signal input end of another channel of wavelength division multiplexer; A light transmitting-receiving branch mixer, a multi-direction type optical branch mixer are arranged in the optical communication interface, and the light receiving signal output of light transmitting-receiving branch mixer is connected with the light receiving signal input of Wave decomposing multiplexer, and 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.
Operation principle of the present invention is: the output signal of antenna-feedback system is isolated and Filtering Processing through merit branch, duplex; The signal of each frequency range that receives is transported to corresponding wireless receiver respectively, transmitting of each transmitting set is transferred to antenna-feedback system through filtering, duplex isolation and after closing the road processing, 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 through 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 through wavelength division multiplexer sends to optical fiber behind the road; Send through 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 whole electrical schematic diagram of the change Channel Transmission formula optical fiber repeater of one embodiment of the invention.
Fig. 2 is the detailed electrical schematic diagram of the change Channel Transmission formula optical fiber repeater of one embodiment of the invention.
Fig. 3 is an optical communication interface pie graph in the change Channel Transmission formula optical fiber repeater 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 to Fig. 3 and module title and function are identical.
Fig. 1 is the whole electrical schematic diagram of the change Channel Transmission formula optical fiber repeater of one embodiment of the invention, and wherein: A is that wireless signal divides mixer, and 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 the detailed electrical schematic diagram of the change Channel Transmission formula optical fiber repeater of one embodiment of the invention, wherein the identical circuit part of function has been done and has been omitted expression, has just only expressed D-1 like the optical transmission signal adapter, other be same structure;
In the A of Fig. 2: mixer is divided for merit in (1), 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 confirm its quantity, confirms 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 confirm its quantity, confirms its transmission bandwidth and associated transport index by the bandwidth of operation of each wireless communication system; (4)-1～and (4)-n is for receiving traffic filter, and the index that selective system requires is confirmed its transmission objective; (5)-1～and (5)-n is the filter that transmits, the index that selective system requires is confirmed transmission objective; B-1～B-n is a wireless receiver, and the index that selective system requires is confirmed 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 confirmed 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 an optical communication interface pie graph in the change Channel Transmission formula optical fiber repeater of one embodiment of the invention, and 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 accomplish 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 a plurality of different channels of the output signal that becomes each wireless receiver in the Channel Transmission formula optical fiber repeater through wavelength division multiplexer to optical fiber transport channel; Send through 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 with a certain branch port of other all optical branching devices in twos; 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.
A kind of optical fiber repeater method for transmission processing that module realized and change Channel Transmission formula optical fiber repeaters such as mixer, optical transmission signal adapter, optical communication interface of dividing by 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, wireless signal that the present invention introduced; Can the service of radio communication relay transmission be provided for the various types of wireless communication systems user who is in special area and the tunnel; Satisfy to reduce antenna amount, reduce and use between number of fibers, minimizing system the phase mutual interference and satisfy system interval 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. one kind includes the optical fiber repeater method for transmission processing that 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 are realized, it is characterized in that adopting following signal transmission method of work:
(1) the output signal of antenna-feedback system is isolated and Filtering Processing through merit branch, duplex, the signal of each frequency range that receives is transported to the wireless receiver of correspondence respectively;
(2) transmitting of each transmitting set is transferred to antenna-feedback system through filtering, duplex isolation and after closing the road processing;
(3) the output signal of each wireless receiver two different channels through wavelength division multiplexer are sent to optical fiber transport channel;
(4) the output signal of the output signal of a channel of Wave decomposing multiplexer and some wireless receivers is closed the one other channel through 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 through some transmitting sets.
2. one kind becomes 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 adapter, an optical communication interface; Wireless signal divides has a multichannel merit to divide mixer, a plurality of duplexer and a plurality of system filter device, a plurality of reception traffic filter, a plurality of filter that transmits in the mixer; 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 reception signal output part of each duplexer is connected with corresponding reception traffic filter input respectively; Each receives the traffic filter output and is connected with corresponding wireless receiver reception signal input part respectively; Each wireless receiver receives signal output part and 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, two transmission mixers, two reception power splitters, a reception mixer in each optical transmission signal adapter; The reception signal output part of corresponding wireless receiver is connected with the input that sends power splitter, and the output that sends power splitter is connected with the input of different transmission mixer respectively, and the input of reception 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, and an output of the reception power splitter of the electrical signal of a certain channel of connection Wave decomposing multiplexer sends mixer through one and is connected with the electric signal input end of another channel of wavelength division multiplexer, and a light transmitting-receiving branch mixer, a multi-direction type optical branch mixer are arranged in the optical communication interface; 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, and 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. change Channel Transmission formula optical fiber repeater as claimed in claim 2; It is characterized in that the output signal of each wireless receiver a plurality of different channels through wavelength division multiplexer are sent to optical fiber transport channel, send through 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 3 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 with some branch port of other all optical branching devices in twos, each optical branching device close the input/output interface of road port as external optical transmission.
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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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| CN101729150B true CN101729150B (en) | 2012-06-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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 |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0219320A2 (en) * | 1985-10-09 | 1987-04-22 | Westinghouse Electric Corporation | 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 |
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- 2009-11-18 CN CN2009102162372A patent/CN101729150B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0219320A2 (en) * | 1985-10-09 | 1987-04-22 | Westinghouse Electric Corporation | 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 |
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