CN108738033A - A kind of indoor covering system - Google Patents
A kind of indoor covering system Download PDFInfo
- Publication number
- CN108738033A CN108738033A CN201810672383.5A CN201810672383A CN108738033A CN 108738033 A CN108738033 A CN 108738033A CN 201810672383 A CN201810672383 A CN 201810672383A CN 108738033 A CN108738033 A CN 108738033A
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- Prior art keywords
- indoor
- connect
- antenna
- rru
- proximal end
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
-
- 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
- H04B10/25754—Star network topology
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2609—Arrangements for range control, e.g. by using remote antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention provides a kind of indoor covering system, which includes baseband processing unit BBU, radio frequency remoto module RRU, proximal end control unit, expanding element, distance connection unit, power splitter, coupler, feeder cable, connector and antenna;Wherein, the BBU is connect by optical fiber with the RRU, the RRU is connect by optical fiber with the proximal end control unit, the proximal end control unit is connect by optical cable with the expanding element, the expanding element is connect by optoelectronic composite cable with the distance connection unit, the power splitter and coupler output port are connect with the feeder cable, the feeder cable is laid on indoor and outdoor, domestic aerial is fixed on feeder cable and close to indoor user, exterior aerial is fixed on roof wall face, it is preferably covered so that wireless network is formed indoors, indoor user can absorb more more traffic, improve wireless network resource utilization rate.
Description
Technical field
The invention belongs to wireless communication technology fields, and in particular to a kind of overcoating convering system of new indoor.
Background technology
Indoor moving and account for 70% or so of entire mobile network's business, indoor signal quality becomes operator and obtains competition
The key factor of advantage, effective supplement as outdoor macro station cover, and indoor distributed system is then to be directed to indoor user group, mainly
Solve the scheme of the network coverage of mobile communications network in building, network capacity and network quality, point of indoor antenna-feeder system
Cloth design is to influence one of the principal element of indoor communications quality, and therefore, the design of in-door covering scheme is to improving network performance
It is most important.
When conventional chamber subsystem Antenna Design, it is usually chosen at doorway corridor wall installation orientation plate antenna, covers room
The output power of interior signal, usual antenna port is 10dBm, and it is effective overlay area to receive power to be more than -90dBm, according to road
The coverage area that can be evaluated whether antenna with penetration loss is lost in diameter, and the following table 1 is the estimation of signal propagation losses:
Table 1
The following table 2 is estimation of the signal by the penetration loss of unlike material:
Table 2
Due to building structure etc., antenna is usually placed on by cloth on the exterior wall of owner doorway, and there are feeder line damages for traditional covering scheme
Consumption is big, and antenna opening output power is difficult equilibrium, causes end antenna opening power low, causes in-door covering blind area, user that cannot have
Effect uses mobile service.Mobile network resource utilization rate is reduced, user's perception is reduced.Meanwhile as shown in Figure 1, 2, existing
Many indoor covering systems are covered by RRU and BBU equipment, and the signal strength of indoor mobile network is improved, but
Be due to the use of RRU and BBU number of devices it is more, in Fig. 1,2,6 buildings have used 6 RRU devices, RRU quantity mostly at
This, causes networking overall cost in cell high.
Invention content
The purpose of the present invention is to provide a kind of indoor covering systems, save radio frequency remoto module RRU quantity, reduce investment
Cost more effectively absorbs traffic to the good covering of indoor formation, improves the network coverage, improves wireless network resource profit
With rate.
To achieve the above object, a kind of indoor covering system provided in an embodiment of the present invention, including:Baseband processing unit
BBU, radio frequency remoto module RRU, proximal end control unit, expanding element, distance connection unit, power splitter, coupler, feeder cable
And antenna;Wherein:
The BBU is connect by optical cable with the RRU;
The RRU is connect by optical fiber with the proximal end control unit;
The proximal end control unit is connect by optical cable with the expanding element;
The expanding element is connect by optoelectronic composite cable with the distance connection unit;
The power splitter and coupler output port are connect with the feeder cable;The cable lay mode be laterally wiring or
Longitudinal wiring.
The feeder cable is laid in indoor wall or light current well.
Wherein, 1 proximal end control unit maximum configured, 8 expanding elements, 1 expanding element maximum configured, 8 distal ends connect
Enter unit.
Wherein, the feeder cable lays mode poling horizontal line and lays or longitudinally lay.
Wherein, the power splitter and coupler are connect by the distance connection unit with radio frequency remoto module RRU, are subtracted
Few radio frequency remoto module RRU usage quantities and Cable Core Number, reduce cost of investment.
Wherein, antenna includes indoor plate antenna and outdoor spotlight antenna, and the plate antenna is located at indoor verandas
Each layer, and approach and be fixed on feeder cable by coupler or power splitter with indoor user zone of action, plate antenna;Room
Outer spotlight antenna leads to roof exterior wall, outside the room of coverage cell.
What the above-mentioned technical proposal of the present invention generated has the beneficial effect that:The present invention is transformed for existing network infrastructure
Substitute, using Remote Control Unit, expanding element and proximal end control unit networking mode, reduces RRU device quantity and BBU numbers
Amount, compartment system are divided into junior unit structure from whole, and convenient construction makes outer network in cell room continuously cover, effectively changes
Communication overlay has been apt to it so that network can absorb more traffics, improve wireless network resource utilization rate.
By proximal end control unit, compartment system is carried out effective networking, 1 proximal end by expanding element and distance connection unit
8 expanding elements of control unit maximum configured, 1 expanding element maximum configured, 8 distance connection units, are controlled by the proximal end
Unit processed, expanding element and distance connection unit, reduce radio frequency remoto module RRU usage quantities, while reduce networking at
This, improves network resource utilization.
Antenna includes indoor plate antenna and outdoor spotlight antenna, and it is each that the plate antenna is located at indoor verandas
Layer, and approach and be fixed on feeder cable by coupler or power splitter with indoor user zone of action, plate antenna;Outdoor is penetrated
Lamp antenna leads to roof exterior wall, outside the room of coverage cell, solves in cell room that external signal covering is poor, is dropped by the indoor and outdoor model of integration
Low cost promotes resource utilization.
Description of the drawings
Fig. 1 is the basic structure schematic diagram of existing indoor covering system.
Fig. 2 is the equipment network structural schematic diagram using existing indoor covering system.
Fig. 3 is the basic structure schematic diagram of the indoor covering system of the embodiment of the present invention.
Fig. 4 is one of equipment network structural schematic diagram in the embodiment of the present invention.
Fig. 5 is equipment network second structural representation in the embodiment of the present invention.
Fig. 6 is the buildings 1# far-end unit arrangement schematic diagram in the embodiment of the present invention.
Fig. 7 is that the arrangement of the buildings 1# Xidan member 30-33 floor coupler, power splitter and domestic aerial in the embodiment of the present invention is shown
It is intended to.
It is labeled as in figure:1, baseband processing unit BBU;2, radio frequency remoto module RRU;3, proximal end control unit;4, it extends
Unit;5, distance connection unit;6, power splitter;7, coupler;8, plate antenna.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment further explains the technical solution of indoor covering system of the present invention
It states and illustrates.
A kind of indoor covering system, as shown in Fig. 3,4,5, including it is baseband processing unit BBU, radio frequency remoto module RRU, close
Hold control unit, expanding element, distance connection unit, power splitter, coupler, feeder cable and antenna;The BBU passes through optical cable
It is connect with the RRU, the RRU is connect by optical fiber with the proximal end control unit, and the proximal end control unit passes through optical cable
It is connect with the expanding element, the expanding element is connect by optoelectronic composite cable with the distance connection unit, the distal end
Access unit is connected by the antenna of feeder line, coupler, power splitter and indoor and outdoor.Antenna includes indoor plate antenna 8 and room
Outer spotlight antenna, the plate antenna is located at each layer of indoor verandas, and approaches and indoor user zone of action, plate antenna
It is fixed on feeder cable by coupler or power splitter;Outdoor spotlight antenna leads to roof exterior wall, outside the room of coverage cell.The feedback
Line is laid on indoor wall.1 proximal end control unit configures 6 expanding elements, and 1 expanding element configures 6 distance connections
Unit.
What needs to be explained here is that the signals transmission in indoor covering system:Signal source is transmitted to BBU by optical fiber
On, signal is transmitted to by optical fiber on RRU on BBU after base band signal process, and RRU is transmitted to proximal end by fiber-optic signal
In control unit, signal is transmitted to expanding element, synchronous signal signal on expanding element by proximal end control unit by optical fiber
Signal is transmitted to distal end by progress extension, 1 proximal end control unit maximum configured, 6 expanding elements, expanding element by optical fiber
Access unit, distance connection unit are simultaneously extended signal, 1 expanding element maximum configured, 6 distance connection units, far
It holds access unit to carry out branch to signal by power splitter, coupler, aerial position is transmitted to by feeder cable.
Dragon Lord garden district is located at Nanyang Guang Wulu and the western 300 meters of north of a road in the crossings Zhong Jing, the cell indoor covering system
Using networking structure of the present invention, which shares 5 building, 10 units, and the wherein buildings 1#, the buildings 2#, the buildings 4# is east, Xidan member, 3#
Building only there are one unit, the buildings 5# have east, in, western three units.
The cell networking uses BBU quantity 1, RRU quantity 2, specific location:The positions RRU1 are located at the buildings 2# Xidan member
15 layers of light current well;The overlay area buildings 1# east, Xidan member;The buildings 2# east, the Xidan buildings Yuan He 3# totally 5 units;The positions RRU2 are located at 5#
Building Xidan 14 floor light current well of member;The overlay area buildings 4# east, Xidan member;5# Lou Dong, in, public 5 units of Xidan member;It controls proximal end
Element number 2 processed is specific to be distributed:Control unit 1 position in proximal end is located at the first 15 floor light current well in the buildings 2# Xidan;Overlay area 1#
Lou Dong, Xidan member, the buildings 2# East Unit and the buildings 3# totally 4 units;Control unit 2 position in proximal end is located at the first 14 floor light current in the buildings 5# Xidan
Well;Overlay area:The buildings 4# east, Xidan are first, 5# Lou Dong, middle unit, totally 4 units.
Cell expanding element 13, distance connection unit 74, coupler 397, power splitter 390, antenna
Quantity 894 is specific to be distributed:
The buildings 1# expanding element usage quantity 4, distance connection element number 23, coupler quantity 100, power splitter quantity 89
It is a, antenna amount 215;The buildings 2# expanding element usage quantity 2, distance connection element number 10, coupler quantity 86,
Power splitter quantity 90, antenna amount 199;The buildings 3# expanding element usage quantity 1, distance connection element number 6, coupling
Device quantity 21, power splitter quantity 21, antenna amount 48;The buildings 4# expanding element usage quantity 2, distance connection unit number
Amount 13, coupler quantity 37, power splitter quantity 51, antenna amount 105;The buildings 5# expanding element usage quantity 4, far
It terminates into element number 22, coupler quantity 153, power splitter quantity 139, antenna amount 327.
Illustrate specific distribution situation by taking No. 1 building indoor coverage situation as an example below, it is as follows:
As shown in Figure 6,7, building structure situation:No. 1 building is total to east, two, west unit, 33 layers of floor height quantity, elevator quantity 4;It is flat
Layer situation:Every layer is laid on using 3 antennas on flat bed corridor wall, and every layer uses power splitter 1, coupler quantity 1;Often
A expanding element situation:Single expanding element covers 4 layers, uses 12 antennas, power splitter 5, coupler 6 altogether.
Claims (5)
1. a kind of indoor covering system, which is characterized in that including:Baseband processing unit BBU, radio frequency remoto module RRU, proximal end control
Unit processed, expanding element, distance connection unit, power splitter, coupler, feeder cable and antenna;Wherein:
The BBU is connect by optical fiber with the RRU,
The RRU is connect by optical fiber with the proximal end control unit,
The proximal end control unit is connect by optical cable with the expanding element,
The expanding element is connect by optoelectronic composite cable with the distance connection unit,
The power splitter and coupler output port are connect with the feeder cable,
The feeder cable is laid in indoor wall or light current well.
2. according to claim 1 is indoor covering system, which is characterized in that the feeder cable lays mode poling
Horizontal line is laid or longitudinal direction is laid.
3. indoor covering system according to claim 1, which is characterized in that the power splitter and coupler passes through described
Distance connection unit is connect with radio frequency remoto module RRU, reduces radio frequency remoto module RRU usage quantities and Cable Core Number, is reduced
Cost of investment.
4. according to claim 1 any one of them indoor covering system, characteristic is, antenna includes indoor plate antenna
With outdoor spotlight antenna, the plate antenna is located at each layer of indoor verandas, and approaches and indoor user zone of action, plate
Antenna is fixed on by coupler or power splitter on feeder cable;Outdoor spotlight antenna leads to roof exterior wall, outside the room of coverage cell.
5. according to claim 1-4 any one of them indoor covering systems, characteristic is, 1 proximal end control unit is maximum
Configure 8 expanding elements, 1 expanding element maximum configured, 8 distance connection units.
Priority Applications (1)
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CN201810672383.5A CN108738033A (en) | 2018-06-26 | 2018-06-26 | A kind of indoor covering system |
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CN201810672383.5A CN108738033A (en) | 2018-06-26 | 2018-06-26 | A kind of indoor covering system |
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CN108738033A true CN108738033A (en) | 2018-11-02 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109687899A (en) * | 2019-01-16 | 2019-04-26 | 武汉虹信通信技术有限责任公司 | The method of satellite synchronous signal is transmitted on extended pattern scytoblastema station |
CN111818544A (en) * | 2020-06-08 | 2020-10-23 | 中国电信集团工会上海市委员会 | Digital active system for improving coverage |
CN111865418A (en) * | 2019-04-24 | 2020-10-30 | 江苏永鼎通信有限公司 | High-rise cell internal and external cooperative optical fiber distribution system |
CN112702753A (en) * | 2021-03-24 | 2021-04-23 | 四川创智联恒科技有限公司 | Method, device, equipment and storage medium for automatic configuration recovery of communication radio frequency unit |
CN113297648A (en) * | 2021-03-19 | 2021-08-24 | 广州天越电子科技有限公司 | Optimization method for drawing digital room partition scheme design drawing |
CN113453189A (en) * | 2020-03-25 | 2021-09-28 | 中国移动通信有限公司研究院 | Subway antenna system, antenna control method, network side equipment and terminal |
CN113727361A (en) * | 2021-08-20 | 2021-11-30 | 深圳国人无线通信有限公司 | Mobile network indoor signal coverage system |
CN114362826A (en) * | 2020-09-28 | 2022-04-15 | 四川省铭科信通信技术有限公司 | Communication system based on full digital transmission of photoelectric composite cable |
CN114584160A (en) * | 2022-01-18 | 2022-06-03 | 江苏通鼎宽带有限公司 | 5G room divides double-circuit frequency shift system |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109687899A (en) * | 2019-01-16 | 2019-04-26 | 武汉虹信通信技术有限责任公司 | The method of satellite synchronous signal is transmitted on extended pattern scytoblastema station |
CN109687899B (en) * | 2019-01-16 | 2021-10-22 | 武汉虹信科技发展有限责任公司 | Method for transmitting satellite synchronous signal on extended type pico-base station |
CN111865418A (en) * | 2019-04-24 | 2020-10-30 | 江苏永鼎通信有限公司 | High-rise cell internal and external cooperative optical fiber distribution system |
CN113453189A (en) * | 2020-03-25 | 2021-09-28 | 中国移动通信有限公司研究院 | Subway antenna system, antenna control method, network side equipment and terminal |
CN113453189B (en) * | 2020-03-25 | 2023-09-05 | 中国移动通信有限公司研究院 | Subway antenna system, antenna control method, network side equipment and terminal |
CN111818544A (en) * | 2020-06-08 | 2020-10-23 | 中国电信集团工会上海市委员会 | Digital active system for improving coverage |
CN114362826A (en) * | 2020-09-28 | 2022-04-15 | 四川省铭科信通信技术有限公司 | Communication system based on full digital transmission of photoelectric composite cable |
CN114362826B (en) * | 2020-09-28 | 2023-11-28 | 四川省铭科信通信技术有限公司 | Communication system based on all-digital transmission of photoelectric composite cable |
CN113297648A (en) * | 2021-03-19 | 2021-08-24 | 广州天越电子科技有限公司 | Optimization method for drawing digital room partition scheme design drawing |
CN112702753B (en) * | 2021-03-24 | 2021-06-08 | 四川创智联恒科技有限公司 | Method, device, equipment and storage medium for automatic configuration recovery of communication radio frequency unit |
CN112702753A (en) * | 2021-03-24 | 2021-04-23 | 四川创智联恒科技有限公司 | Method, device, equipment and storage medium for automatic configuration recovery of communication radio frequency unit |
CN113727361A (en) * | 2021-08-20 | 2021-11-30 | 深圳国人无线通信有限公司 | Mobile network indoor signal coverage system |
CN114584160A (en) * | 2022-01-18 | 2022-06-03 | 江苏通鼎宽带有限公司 | 5G room divides double-circuit frequency shift system |
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