CN105451105A - Optical transmitter and receiver access system based on multiple systems - Google Patents
Optical transmitter and receiver access system based on multiple systems Download PDFInfo
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- CN105451105A CN105451105A CN201510794592.3A CN201510794592A CN105451105A CN 105451105 A CN105451105 A CN 105451105A CN 201510794592 A CN201510794592 A CN 201510794592A CN 105451105 A CN105451105 A CN 105451105A
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- duplexer
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- optical fiber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- 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
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the mobile communication access apparatus technology field and especially relates to an optical transmitter and receiver access system based on multiple systems. Downlink transmitting terminals of a first medium duplexer, a second medium duplexer, a third medium duplexer and a fourth medium duplexer are connected to an input terminal of a first multifrequency combiner. An output terminal of the first multifrequency combiner is connected to a downlink emitting electrode input terminal of a wideband power splitter. A downlink emitting electrode output terminal of the wideband power splitter is connected to input terminals of a first optical fiber module and a second optical fiber module respectively. Output terminals of the first optical fiber module and the second optical fiber module are connected to an uplink receiving electrode input terminal of the wideband power splitter. An uplink receiving electrode output terminal of the wideband power splitter is connected to a second multifrequency combiner. An output terminal of the second multifrequency combiner is connected to uplink receiving terminals of the first medium duplexer, the second medium duplexer, the third medium duplexer and the fourth medium duplexer respectively. By using the system, a user dense urban area coverage problem is solved; a quantity and configuration of outdoor optical fiber machines are reduced; an overall interference level of an outdoor network is decreased so that a whole system capacity is increased and a requirement of a user to quality is well satisfied.
Description
Technical field
The present invention relates to mobile communication access device technical field, be specifically related to a kind of based on the optical transmitter and receiver connecting system under multisystem.
Background technology
Mobile communication subscriber increases on a large scale, make the scale of wireless network increasing, also more and more higher to the requirement of the quality of network, but the overlay area of which kind of radio communication all will produce weak signal area or the region between the heart and the diaphragm district, to some remote districts, Code in Hazardous Special Locations (tunnel, subway, in building etc.) problem that will solve the quorum sensing inhibitor in these places can choose this cost-effective equipment of optical fiber repeater usually, your Mobile Market operation commercial city right is obtain good client, all actively indoor covering system Optimization Work can be used in a large number to above-mentioned place.With the telephone traffic of contention, open up new telephone traffic, just current present situation, single outdoor macro honeycomb base station that relies on covers the requirement that can not meet the network coverage, capacity and quality to it.Some problems below main existence.
1, the wasting of resources: operator buy out respectively idea as by CDMA, GSM, DCS, WCDMA, TDSCDMA, etc. fiber plant.This will cause operation cost and constructional difficulties degree to increase, and the problems such as the repeated construction that the covering system that operator builds oneself respectively brings are more and more outstanding;
2, capacity aspect: some buildings are as supermarket, conference centre etc., and because user density is excessive, cdma network user noise floor is raised greatly, and GSM is seriously congested, causes finite capacity;
3, quality aspect: because frequency interferences, pilot pollution and ping-pong etc. cause the jitter of community, speech quality is difficult to ensure, even call drop occurs.
Summary of the invention
The object of this invention is to provide a kind of based on the optical transmitter and receiver connecting system under multisystem, it solves user dense city covering problem, reduce quantity and the configuration of outdoor optical fiber machine, reduce the overall interference level of Outdoor Network, thus improve the capacity of whole system, meet the requirement of user to quality better.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: it comprises the first optic module, the second optic module, broadband power divider, the first multiplefrequency mixer, the second multiplefrequency mixer, first medium duplexer, second medium duplexer, the 3rd dielectric duplexer, the 4th dielectric duplexer, described first medium duplexer, second medium duplexer, 3rd dielectric duplexer, the downlink end of the 4th dielectric duplexer is all connected to the input of the first multiplefrequency mixer, the output of the first multiplefrequency mixer connects the downlink pole input of broadband power divider, the downlink pole output of broadband power divider respectively with the first optic module, the input of the second optic module, first optic module, the output of the second optic module is connected to the uplink receiving pole input of broadband power divider, the uplink receiving pole output of broadband power divider is connected to the second multiplefrequency mixer, the output of the second multiplefrequency mixer respectively with first medium duplexer, second medium duplexer, 3rd dielectric duplexer, the uplink receiving end of the 4th dielectric duplexer connects.
The downlink path pipeline of this system:
A: enlarge leadingly is carried out by the signal being input to base stations couple in PADriver after multisystem mixing platform (POI) and coming in each system operator base station, and the power of each system person that has come output is read by this module, also can carry out digital control to the gain of PADriver according to realizing situation, the power magnitude of control inputs optic module simultaneously, to prevent overpower loss optical module, the radiofrequency signal that PADriver comes by optical module converts light signal to and is transferred to far-end by optical fiber cable.The signal completing downlink communication near-end machine to this amplifies through-put power.
B: remote termination receives the light signal that proximally machine is crossed through optical fiber cable, the radiofrequency signal that the optical fiber transmission module of remote termination changes into constant amplitude enters splitter by GSM, DCS, WCDMA, the descending independence of LTE separately, and the PADriver of respective system of stimulating the menstrual flow realizes pre-driver is input in power amplifier to certain amplitude, descending PA exports after the signal of this amplitude is carried out being amplified to the power grade required by client and is connected to antenna through four multiplexers.Realize relay function.
The uplink receiving path pipeline of this system:
A: the mobile phone transmission power of mobile subscriber is received by reception antenna and enters in dual duplex, dual duplex transceiver channel separates and the obtained faint acknowledge(ment) signal that do not influence each other is input to LNA amplification, this signal amplifies and ensures good signal to noise ratio by LNA, is input in mixer general.LTE, GSM, DCS, the up conjunction road of carrying out of WCDMA system are input to optic module by mixer.The radiofrequency signal of each system received is passed into light signal and inputs near-end machine through optical fiber cable by optical module.
B: the signal that optical fiber cable inputs by near-end machine carries out GSM, DCS, WCDMA, returns to base station through duplexer POI after LTE system separately inputs respective PADriver.
Beneficial effect of the present invention: it solves user dense city covering problem, reduces quantity and the configuration of outdoor optical fiber machine, reduces the overall interference level of Outdoor Network, thus improves the capacity of whole system, meets the requirement of user to quality better.
Accompanying drawing illustrates:
Fig. 1 is near-end machine structural representation of the present invention;
Fig. 2 is multisystem optical transmitter and receiver intelligent acess block diagram of the present invention.
Reference numeral: the first optic module 1, second optic module 2, broadband power divider 3, first multiplefrequency mixer 4, second multiplefrequency mixer 5, first medium duplexer 6, second medium duplexer 7, the 3rd dielectric duplexer 8, the 4th dielectric duplexer 9.
Embodiment:
Referring to Fig. 1-2, this embodiment by the following technical solutions: it comprises the first optic module 1, second optic module 2, broadband power divider 3, first multiplefrequency mixer 4, second multiplefrequency mixer 5, first medium duplexer 6, second medium duplexer 7, the 3rd dielectric duplexer 8, the 4th dielectric duplexer 9, described first medium duplexer 6, second medium duplexer 7, 3rd dielectric duplexer 8, the downlink end of the 4th dielectric duplexer 9 is all connected to the input of the first multiplefrequency mixer 4, the output of the first multiplefrequency mixer 4 connects the downlink pole input of broadband power divider 3, the downlink pole output of broadband power divider 3 respectively with the first optic module 1, the input of the second optic module 2, first optic module 1, the output of the second optic module 2 is connected to the uplink receiving pole input of broadband power divider 3, the uplink receiving pole output of broadband power divider 3 is connected to the second multiplefrequency mixer 5, the output of the second multiplefrequency mixer 5 respectively with first medium duplexer 6, second medium duplexer 7, 3rd dielectric duplexer 8, the uplink receiving end of the 4th dielectric duplexer 9 connects.
The downlink path pipeline of this system:
A: enlarge leadingly is carried out by the signal being input to base stations couple in PADriver after multisystem mixing platform (POI) and coming in each system operator base station, and the power of each system person that has come output is read by this module, also can carry out digital control to the gain of PADriver according to realizing situation, the power magnitude of control inputs optic module simultaneously, to prevent overpower loss optical module, the radiofrequency signal that PADriver comes by optical module converts light signal to and is transferred to far-end by optical fiber cable.The signal completing downlink communication near-end machine to this amplifies through-put power.
B: remote termination receives the light signal that proximally machine is crossed through optical fiber cable, the radiofrequency signal that the optical fiber transmission module of remote termination changes into constant amplitude enters splitter by GSM, DCS, WCDMA, the descending independence of LTE separately, and the PADriver of respective system of stimulating the menstrual flow realizes pre-driver is input in power amplifier to certain amplitude, descending PA exports after the signal of this amplitude is carried out being amplified to the power grade required by client and is connected to antenna through four multiplexers.Realize relay function.
The uplink receiving path pipeline of this system:
A: the mobile phone transmission power of mobile subscriber is received by reception antenna and enters in dual duplex, dual duplex transceiver channel separates and the obtained faint acknowledge(ment) signal that do not influence each other is input to LNA amplification, this signal amplifies and ensures good signal to noise ratio by LNA, is input in mixer general.LTE, GSM, DCS, the up conjunction road of carrying out of WCDMA system are input to optic module by mixer.The radiofrequency signal of each system received is passed into light signal and inputs near-end machine through optical fiber cable by optical module.
B: the signal that optical fiber cable inputs by near-end machine carries out GSM, DCS, WCDMA, returns to base station through duplexer POI after LTE system separately inputs respective PADriver.
The beneficial effect of this embodiment: it solves user dense city covering problem, reduces quantity and the configuration of outdoor optical fiber machine, reduces the overall interference level of Outdoor Network, thus improves the capacity of whole system, meets the requirement of user to quality better.
The above, only in order to technical scheme of the present invention to be described and unrestricted, other amendment that those of ordinary skill in the art make technical scheme of the present invention or equivalently to replace, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (3)
1. based on the optical transmitter and receiver connecting system under multisystem, it is characterized in that: it comprises the first optic module, the second optic module, broadband power divider, the first multiplefrequency mixer, the second multiplefrequency mixer, first medium duplexer, second medium duplexer, the 3rd dielectric duplexer, the 4th dielectric duplexer, described first medium duplexer, second medium duplexer, 3rd dielectric duplexer, the downlink end of the 4th dielectric duplexer is all connected to the input of the first multiplefrequency mixer, the output of the first multiplefrequency mixer connects the downlink pole input of broadband power divider, the downlink pole output of broadband power divider respectively with the first optic module, the input of the second optic module, first optic module, the output of the second optic module is connected to the uplink receiving pole input of broadband power divider, the uplink receiving pole output of broadband power divider is connected to the second multiplefrequency mixer, the output of the second multiplefrequency mixer respectively with first medium duplexer, second medium duplexer, 3rd dielectric duplexer, the uplink receiving end of the 4th dielectric duplexer connects.
2., based on the optical transmitter and receiver connecting system under multisystem, it is characterized in that its downlink path pipeline:
A: enlarge leadingly is carried out by the signal being input to base stations couple in PADriver after multisystem mixing platform (POI) and coming in each system operator base station, and the power of each system person that has come output is read by this module, also can carry out digital control to the gain of PADriver according to realizing situation, the power magnitude of control inputs optic module simultaneously, to prevent overpower loss optical module, the radiofrequency signal that PADriver comes by optical module converts light signal to and is transferred to far-end by optical fiber cable, and the signal completing downlink communication near-end machine to this amplifies through-put power;
B: remote termination receives the light signal that proximally machine is crossed through optical fiber cable, the radiofrequency signal that the optical fiber transmission module of remote termination changes into constant amplitude enters splitter by GSM, DCS, WCDMA, the descending independence of LTE separately, and the PADriver of respective system of stimulating the menstrual flow realizes pre-driver is input in power amplifier to certain amplitude, descending PA exports after the signal of this amplitude is carried out being amplified to the power grade required by client and is connected to antenna through four multiplexers, realizes relay function.
3., based on the optical transmitter and receiver connecting system under multisystem, it is characterized in that its uplink receiving path pipeline:
A: the mobile phone transmission power of mobile subscriber is received by reception antenna and enters in dual duplex, dual duplex transceiver channel separates and the obtained faint acknowledge(ment) signal that do not influence each other is input to LNA amplification, this signal amplifies and ensures good signal to noise ratio by LNA, is input in mixer general; LTE, GSM, DCS, the up conjunction road of carrying out of WCDMA system are input to optic module by mixer, and the radiofrequency signal of each system received is passed into light signal and inputs near-end machine through optical fiber cable by optical module;
B: the signal that optical fiber cable inputs by near-end machine carries out GSM, DCS, WCDMA, returns to base station through duplexer POI after LTE system separately inputs respective PADriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794592.3A CN105451105A (en) | 2015-11-18 | 2015-11-18 | Optical transmitter and receiver access system based on multiple systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794592.3A CN105451105A (en) | 2015-11-18 | 2015-11-18 | Optical transmitter and receiver access system based on multiple systems |
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| CN105451105A true CN105451105A (en) | 2016-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872269A (en) * | 2016-09-27 | 2018-04-03 | 罗森伯格（上海）通信技术有限公司 | Multifrequency digital micro repeater |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081708A (en) * | 2001-04-19 | 2002-10-30 | 커미넷 주식회사 | Optical Communication Apparatus for NetWork |
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| CN202425052U (en) * | 2011-12-30 | 2012-09-05 | 深圳国人通信有限公司 | Single-circuit output transmitting and receiving co-cable point of interface (POI) for indoor wireless coverage equipment |
-
2015
- 2015-11-18 CN CN201510794592.3A patent/CN105451105A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020081708A (en) * | 2001-04-19 | 2002-10-30 | 커미넷 주식회사 | Optical Communication Apparatus for NetWork |
| CN102281109A (en) * | 2010-06-08 | 2011-12-14 | 佳律通信设备(上海)有限公司 | Multi-system optical transceiver optical fiber access system |
| CN202425052U (en) * | 2011-12-30 | 2012-09-05 | 深圳国人通信有限公司 | Single-circuit output transmitting and receiving co-cable point of interface (POI) for indoor wireless coverage equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872269A (en) * | 2016-09-27 | 2018-04-03 | 罗森伯格（上海）通信技术有限公司 | Multifrequency digital micro repeater |
| CN113259010A (en) * | 2021-05-20 | 2021-08-13 | 罗文松 | Optical transceiver access system based on multiple systems |
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Application publication date: 20160330 |
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