CN108809428A - A kind of Full-optical optical fiber distribution system - Google Patents
A kind of Full-optical optical fiber distribution system Download PDFInfo
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- CN108809428A CN108809428A CN201810565891.3A CN201810565891A CN108809428A CN 108809428 A CN108809428 A CN 108809428A CN 201810565891 A CN201810565891 A CN 201810565891A CN 108809428 A CN108809428 A CN 108809428A
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- unit
- signal
- optical fiber
- distribution system
- fiber distribution
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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
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of Full-optical optical fiber distribution systems, including master unit, expanding element and far-end unit, the master unit is connect by optical fiber with expanding element, the expanding element is connect by optical fiber with far-end unit, one master unit includes four expanding elements, and described expanding element includes four far-end units；The master unit is connected with base station, and the base station is connected with antenna, and master unit and antenna are connect by radio signal with base station；The master unit includes signal gathering unit, signal processing unit, photoelectric conversion unit and light path transmitter unit.Light type optical fiber distribution system in the present invention effectively can be filtered isolation to the impurity in signal, be conducive to the quality for improving signal, improve signal coverage rate and signal strength, be worth using for reference and promote.
Description
Technical field
The present invention relates to optical fiber distribution system technical field more particularly to a kind of Full-optical optical fiber distribution systems.
Background technology
Optical fiber distribution system is extension of the mobile network in Indoor environment and outdoor cover, is to promote network coverage range
With traffic inside and outside depth, absorption chamber, promote the important means of network quality and quality of service.Current optical fiber distribution system is general
Including a master unit, multiple expanding elements and multiple far-end units.But can all occur many villages within the city in some cities, by
In villages within the city, area is larger, and population is very intensive, and traffic density is big, and building arrangement is close in village, and tunnel is narrow, to wireless communication
Number propagation effect it is very big, in major part low layer region movable signal it is weak covering or without covering.Based on villages within the city's building distribution and
The difficult point of the network coverage, traditional outdoor station and room subsystem can not comprehensively solve villages within the city network coverage problem, therefore transport
Battalion quotient need to change traditional construction mode, explore the network construction new model for being suitble to villages within the city and base station construction sensitizing range.
With the development of fiber optic communication, introduces optical fiber distribution system solution villages within the city's signal covering problem and be possibly realized, but
It is in existing technology, the impurity in signal is more, keeps signal reception poor, and optical fiber distribution system signal finally passes in city
The signal in village is weak so that wireless signal coverage rate is low, there is further improved necessity, for this purpose, we providing a kind of Full-optical
Optical fiber distribution system.
Invention content
The purpose of the present invention is to provide a kind of Full-optical optical fiber distribution systems, so as to solve the deficiencies in the prior art.
The present invention is implemented by following technical solution：
A kind of Full-optical optical fiber distribution system, including master unit, expanding element and far-end unit, the master unit by optical fiber with
Expanding element connects, and the expanding element is connect by optical fiber with far-end unit, and described master unit includes four expansions
Unit is opened up, described expanding element includes four far-end units；
The master unit is connected with base station, and the base station is connected with antenna, and master unit and antenna by radio signal with
Base station connects；
The master unit includes signal gathering unit, signal processing unit, photoelectric conversion unit and light path transmitter unit, described
Signal gathering unit, signal processing unit, photoelectric conversion unit and light path transmitter unit are sequentially connected by radio signal；
The signal processing unit includes signal frequency-selecting unit, signal filter unit and signal isolation unit, the signal frequency-selecting
Unit, signal filter unit and signal isolation unit are sequentially connected.
Preferably, it is 1 that the configuration of the master unit, expanding element and far-end unit, which is compared,：4:16.
Preferably, the signal frequency-selecting unit is specially frequency-selector, and the signal filter unit is specially filter, the signal
Isolated location is specially isolator.
Preferably, the light path transmitter unit is connect with expanding element.
Preferably, the far-end unit is connected with terminal device, and the terminal device includes mobile phone, TV, digital network
Terminating machine.
Preferably, the Base Transmitter has 2G information sources, 3G information sources and a 4G information sources, and master unit access have 2G information sources, 3G information sources and
4G information sources, the 2G information sources, 3G information sources and 4G information sources are all made of micropower（0-10dbm）Information source inputs.
Advantages of the present invention：
In the present invention, system master unit receives the signal from base station, and the signal gathering unit in master unit adopts signal
Collection, then signal is chosen by the signal frequency-selecting unit in signal processing unit, and the signal containing impurity is passed through letter
Number filter unit is filtered, and then the signal containing impurity is isolated by signal isolation unit, last processed
And the not no signal of impurity, overlay area is transmitted to by optical fiber, is then assigned to far-end unit to signal using expanding element
It is amplified, carries out covering the terminal device of each corner regions after signal amplification again, to realize the extension of wireless signal
Covering, improve signal coverage rate and signal strength effectively can be filtered isolation to the impurity in signal in the process,
Be conducive to improve the quality of signal；In conclusion the light type optical fiber distribution system in the present invention, it can be effectively in signal
Impurity is filtered isolation, is conducive to the quality for improving signal, improves signal coverage rate and signal strength, is worth using for reference and pushing away
Extensively.
Description of the drawings：
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to embodiment or existing skill
Attached drawing is briefly described needed in art description, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the overall flow block diagram of the Full-optical optical fiber distribution system of the present invention；
Fig. 2 be the present invention Full-optical optical fiber distribution system control system in master unit structure diagram.
In figure：1, master unit, 2 expanding elements, 3 far-end units, 4 base stations, 5 antennas, 6 signal gathering units, 7 signal processing lists
Member, 8 photoelectric conversion units, 9 light path transmitter units, 10 signal frequency-selecting units, 11 signal filter units, 12 signal isolation units.
Specific implementation mode：
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figure 1, 2, a kind of Full-optical optical fiber distribution system, including master unit 1, expanding element 2 and far-end unit 3, main list
Member 1 is connect by optical fiber with expanding element 2, and expanding element 2 is connect by optical fiber with far-end unit 3, and a master unit 1 includes
Four expanding elements 2, an expanding element 2 include four far-end units 3；
Master unit 1 is connected with base station 4, and base station 4 is connected with antenna 5, and master unit 1 and antenna 5 pass through radio signal and base
Stand 4 connection；
Master unit 1 includes signal gathering unit 6, signal processing unit 7, photoelectric conversion unit 8 and light path transmitter unit 9, letter
Number collecting unit 6, signal processing unit 7, photoelectric conversion unit 8 and light path transmitter unit 9 are connected by radio signal successively
It connects；
Signal processing unit 7 includes signal frequency-selecting unit 10, signal filter unit 11 and signal isolation unit 12, signal frequency-selecting list
Member 10, signal filter unit 11 and signal isolation unit 12 are sequentially connected.
The configuration of master unit 1, expanding element 2 and far-end unit 3 is compared：1:4:16, signal frequency-selecting unit 10 is specially frequency-selector,
Signal filter unit 11 is specially filter, and signal isolation unit 12 is specially isolator, light path transmitter unit 9 and expanding element
2 connections, far-end unit 3 are connected with terminal device, and terminal device includes mobile phone, TV, digital network terminating machine, and base station 4 emits
Have 2G information sources, 3G information sources and a 4G information sources, and the access of master unit 1 has 2G information sources, 3G information sources and a 4G information sources, 2G information sources, 3G information sources and
4G information sources are all made of micropower（0-10dbm）Information source inputs, the light type optical fiber distribution system in the present invention, can be effectively to signal
In impurity be filtered isolation, be conducive to improve signal quality, improve signal coverage rate and signal strength, be worth use for reference
And popularization.
Operation principle：Entire Full-optical optical fiber distribution system uses optical fibers as medium, with master unit 1, expanding element 2 and distal end
Unit 3 is main component devices, and system master unit 1 receives the signal from base station 4, and the signal gathering unit 6 in master unit 1 is right
Signal is acquired, and then signal is chosen by the signal frequency-selecting unit 10 in signal processing unit 7, and will contain impurity
Signal be filtered by signal filter unit 11, then by the signal containing impurity by signal isolation unit 12 carry out every
From last processed and not impurity signal is transmitted to overlay area by optical fiber, then expanding element 2 is utilized to distribute
Signal is amplified to far-end unit 3, carries out covering the terminal device of each corner regions, such as hand after signal amplification again
It is mechanical, electrical regard, digital network terminating machine etc.；Optical fiber distribution system receives the signal in the terminals such as mobile phone simultaneously, amplifies and leads to
It crosses optical fiber distribution system and signal is passed into base station 4, to realize extending over for wireless signal, improve signal coverage rate and letter
Number intensity；In the process, can isolation effectively be filtered to the impurity in signal, is conducive to the quality for improving signal.
In the present invention, entire Full-optical optical fiber distribution system uses micropower（0-10dbm）Information source inputs, and substantially reduces to information source
Requirement, reduce base station input, relative to traditional coverage mode, it is difficult that Full-optical optical fiber distribution system solves the construction of more feeder lines
The problem of obtaining reduces engineering difficulty, shortens construction period.
In the present invention, after engineering construction, find after tested after introducing Full-optical optical fiber distribution system, the villages Luo Yong original low signal areas
Indoor signal promote nearly 30dbm, lamprophonia poor without matter of conversing, busy talkthrough rate is more than 99.56%, substantially without uplink
Interference；4G signal coverage rates reach 100%, and effective solution Liao Luoyong village's network coverage problems realize 2G, 3G, 4G network and exist
The depth in the region covers, and improves the perceptibility and reputation of user.
In the present invention, based on the considerations of the distribution of villages within the city's building and the characteristics of the network coverage and the benign planning of network, by city
Middle village introduces optical fiber distribution system, effectively improves the quality of wireless network of villages within the city and base station construction sensitizing range, overcomes
Traditional outdoor base station moves into the problems such as difficult and covering deficiency and networking period length, and operator is worth to use for reference and promote.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of Full-optical optical fiber distribution system, which is characterized in that including master unit（1）, expanding element（2）And far-end unit
（3）, the master unit（1）Pass through optical fiber and expanding element（2）Connection, the expanding element（2）Pass through optical fiber and far-end unit
（3）Connection, described master unit（1）Include four expanding elements（2）, the expanding element（2）Include
Four far-end units（3）；
The master unit（1）It is connected with base station（4）, the base station（4）It is connected with antenna（5）, and master unit（1）And antenna（5）
Pass through radio signal and base station（4）Connection；
The master unit（1）Including signal gathering unit（6）, signal processing unit（7）, photoelectric conversion unit（8）And light path
Transmitter unit（9）, the signal gathering unit（6）, signal processing unit（7）, photoelectric conversion unit（8）With light path transmitter unit
（9）It is sequentially connected by radio signal；
The signal processing unit（7）Including signal frequency-selecting unit（10）, signal filter unit（11）With signal isolation unit
（12）, the signal frequency-selecting unit（10）, signal filter unit（11）With signal isolation unit（12）It is sequentially connected.
2. a kind of Full-optical optical fiber distribution system according to claim 1, which is characterized in that the master unit（1）, extension
Unit（2）And far-end unit（3）Configuration compare and be：1:4:16.
3. a kind of Full-optical optical fiber distribution system according to claim 1, which is characterized in that the signal frequency-selecting unit
（10）Specially frequency-selector, the signal filter unit（11）Specially filter, the signal isolation unit（12）Specially
Isolator.
4. a kind of Full-optical optical fiber distribution system according to claim 1, which is characterized in that the light path transmitter unit
（9）With expanding element（2）Connection.
5. a kind of Full-optical optical fiber distribution system according to claim 1, which is characterized in that the far-end unit（3）Even
It is connected to terminal device, the terminal device includes mobile phone, TV, digital network terminating machine.
6. a kind of Full-optical optical fiber distribution system according to claim 1, which is characterized in that the base station（4）Transmitting has
2G information sources, 3G information sources and 4G information sources, and master unit（1）Access has 2G information sources, 3G information sources and 4G information sources, the 2G information sources, 3G letters
Source and 4G information sources are all made of micropower（0-10dbm）Information source inputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565891.3A CN108809428A (en) | 2018-06-04 | 2018-06-04 | A kind of Full-optical optical fiber distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565891.3A CN108809428A (en) | 2018-06-04 | 2018-06-04 | A kind of Full-optical optical fiber distribution system |
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| CN108809428A true CN108809428A (en) | 2018-11-13 |
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| CN201810565891.3A Pending CN108809428A (en) | 2018-06-04 | 2018-06-04 | A kind of Full-optical optical fiber distribution system |
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Citations (6)
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| CN103067079A (en) * | 2013-01-06 | 2013-04-24 | 富通集团有限公司 | Optical fiber deformation signal processing circuit |
| CN105262500A (en) * | 2015-09-06 | 2016-01-20 | 苏州华启智能科技有限公司 | Multichannel FM (Frequency Modulation) radio-frequency mixed active output circuit |
| CN106209240A (en) * | 2016-07-08 | 2016-12-07 | 武汉虹信通信技术有限责任公司 | A kind of novel multimode fibre compartment system |
| US20170052335A1 (en) * | 2013-08-26 | 2017-02-23 | Commscope Technologies Llc | Wave division multiplexer arrangement for small cell networks |
| CN107222225A (en) * | 2017-05-27 | 2017-09-29 | 杨勇 | A kind of distributing antenna system of digital modularization Larger Dynamic power output |
| CN107748366A (en) * | 2017-11-06 | 2018-03-02 | 杨欣 | Motor in electric automobile and back axle concentricity testing device |
-
2018
- 2018-06-04 CN CN201810565891.3A patent/CN108809428A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067079A (en) * | 2013-01-06 | 2013-04-24 | 富通集团有限公司 | Optical fiber deformation signal processing circuit |
| US20170052335A1 (en) * | 2013-08-26 | 2017-02-23 | Commscope Technologies Llc | Wave division multiplexer arrangement for small cell networks |
| CN105262500A (en) * | 2015-09-06 | 2016-01-20 | 苏州华启智能科技有限公司 | Multichannel FM (Frequency Modulation) radio-frequency mixed active output circuit |
| CN106209240A (en) * | 2016-07-08 | 2016-12-07 | 武汉虹信通信技术有限责任公司 | A kind of novel multimode fibre compartment system |
| CN107222225A (en) * | 2017-05-27 | 2017-09-29 | 杨勇 | A kind of distributing antenna system of digital modularization Larger Dynamic power output |
| CN107748366A (en) * | 2017-11-06 | 2018-03-02 | 杨欣 | Motor in electric automobile and back axle concentricity testing device |
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Application publication date: 20181113 |
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