CN205847266U - A kind of distributed antenna system - Google Patents
A kind of distributed antenna system Download PDFInfo
- Publication number
- CN205847266U CN205847266U CN201620783477.6U CN201620783477U CN205847266U CN 205847266 U CN205847266 U CN 205847266U CN 201620783477 U CN201620783477 U CN 201620783477U CN 205847266 U CN205847266 U CN 205847266U
- Authority
- CN
- China
- Prior art keywords
- antenna
- rru
- bbu
- connects
- distributed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a kind of distributed antenna system, belong to the communications field, the domestic aerial for building is distributed, if the some RRU including a BBU, connecting BBU, some power splitters, the some bonders connecting power splitter and the dry aerial of connection RRU；Described bonder is identical with antenna amount, and bonder is corresponding with antenna to be connected；Remote signaling processing module is set on described antenna；It is connected by optical fiber between BBU with RRU.Of the present utility model realize MIMO networking by unit feeder, economize on resources, save construction cost, can be according to demand, it is achieved single current covers pattern with the mixing of double fluid, reducings the construction costs further.
Description
Technical field
This utility model relates to a kind of distributed antenna system, belongs to the communications field, especially the domestic aerial distribution of building.
Background technology
MIMO technology refers to use multiple transmitting antenna and reception antenna respectively at transmitting terminal and receiving terminal, makes signal pass through to send out
Penetrate end and multiple antenna transmission of receiving terminal and reception, thus improve communication quality.It can make full use of space resources, by many
Individual antenna realizes MIMO, in the case of not increasing frequency spectrum resource and antenna transmitting power, can increase exponentially system
Channel capacity, demonstrates obvious advantage, is considered the core technology of next generation mobile communication.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of distributed antenna system, realizes MIMO skill by unit feeder
Art, saves construction cost low.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
Distributed antenna system, the some RRU including a BBU, connecting BBU, some power splitters of connection RRU, connection merit
If some bonders of point device and dry aerial；Described bonder is identical with antenna amount, and bonder is corresponding with antenna to be connected；Described
Remote signaling processing module is set on antenna；It is connected by optical fiber between BBU with RRU.
Further improvement of the utility model is: if power splitter outfan connects trunk feeder, every road feeder line is gone here and there respectively
Connection connects some bonders, and each bonder connects an antenna respectively；The antenna of different feeder lines is arranged into different covering ground
Point.
Further improvement of the utility model is: each RRU connects two groups of power splitters, the antenna that two RRU are connected
Position is corresponding.
Further improvement of the utility model is: described antenna is arranged in architecture indoor, and antenna is vertical polarized antenna.
Further improvement of the utility model is: be provided with source module on described antenna.
Further improvement of the utility model is: also set up near end signal processing module between described RRU and power splitter,
Near end signal processing module includes two converters, two wave filter, combiner and power amplifier, the output of two converters
End connects two wave filter respectively, and two wave filter connect combiner respectively, and combiner connects power amplifier.
Owing to using technique scheme, have the beneficial effects that produced by this utility model:
A kind of distributed antenna system of the present utility model realizes MIMO networking by unit feeder, economizes on resources, saves and build
Cost, can be according to demand, it is achieved single current covers pattern with the mixing of double fluid, reducings the construction costs further.
Composite signal is changed into two-channel independent by the active module embedded therein in antenna of the present utility model, utilizes antenna by two
Road independent signal is launched, and realizes complete LTE MIMO special in the case of not changing original indoor distributed system structure
Property.
Near end signal processing modules implement of the present utility model utilizes single cable to complete bilateral system, and combiner is by bilateral
Signal syntheses one tunnel, saves transfer resource.Signal after filtering and amplifies, and enhances signal and the most also reduces interference signal, carries
High communication quality.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is near end signal processing module structural representation of the present utility model；
Wherein: 1, BBU, 1-1, converter, 1-2, wave filter, 1-3, combiner, 1-4, power amplifier, 1-2,2,
RRU, 3, power splitter, 4, bonder, 5, antenna, 6, floor, 7, optical fiber, 8, feeder line.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further details:
A kind of distributed antenna system, including a BBU1, some RRU2, some power splitters 3, some bonders 4 and some
Antenna 5.BBU1 is arranged in machine room, and BBU1 connects some RRU2 by optical fiber 7, and RRU2 is arranged on community or the building of required covering
In room, each RRU2 connects two power splitters 3, and each power splitter 3 connects some bonders 4 and antenna 5.Bonder 4 and antenna 5
Quantity is identical, and bonder 4 is corresponding with antenna 5 to be connected, and each bonder 4 connects an antenna 5.Antenna 5 distributing installation is at building
In, antenna 5 is vertical polarized antenna.
If the outfan of power splitter 3 connects trunk feeder 8, every road feeder line 8 is connected in series some bonders 4 respectively, each
Bonder 4 connects an antenna 5 respectively；The antenna 5 of different feeder lines 8 is arranged into different covering places；Power splitter 3 is one-to-two
The power splitter 3 on road, the feeder line 8 that power splitter 3 connects is two-way, and two-way feeder line 8 is arranged in different floors 6.
Each RRU2 connects two groups of power splitters 3, and the antenna position that two power splitters 3 are connected is corresponding.Such as
RRU2 connects the two-way feeder line 8 of power splitter 3I and power splitter 3II, power splitter 3I connection and is distributed in floor 61 and floor 62, merit
The two-way feeder line 8 dividing device 3II to connect is distributed in floor 61 and floor 62, equally so in same overlay area, such as floor 6I
In, there is multiple antenna 5, it is achieved MIMO networking.
Also setting up near end signal processing module between RRU2 and power splitter 3, near end signal processing module includes two frequency conversions
Device 1-1, two wave filter 1-2, a combiner 1-3 and a power amplifier 1-4.The input of two converter 1-1 is even
Meeting RRU2, outfan connects corresponding wave filter 1-2, two wave filter 1-2 respectively and connects combiner 1-3, combiner 1-3 and be
Two-in-one road combiner 1-3, combiner 1-3 connect power amplifier 1-4, power amplifier 1-4 and connect power splitter 3.
Near end signal processing modules implement utilizes single cable to complete bilateral system, and combiner 1-3 is by bilateral signal syntheses
One tunnel, saves transfer resource.Composite signal is transmitted to antenna end, the active module embedded therein of antenna end by original compartment system feeder line 8
Again composite signal is changed into two-channel independent, utilizes dual polarized antenna two-channel independent to be launched, do not changing
Complete LTE MIMO characteristic is realized in the case of original indoor distributed system structure.
A kind of distributed antenna system of the present utility model realizes MIMO networking by unit feeder 8, economizes on resources, saves and build
Cost, can be according to demand, it is achieved single current covers pattern with the mixing of double fluid, reducings the construction costs further.
Claims (6)
1. a distributed antenna system, it is characterised in that: include a BBU(1), connect BBU(1) some RRU(2), connect
RRU(2) some power splitters (3), connect power splitter (3) some bonders (4) and if dry aerial (5)；Described bonder (4)
Identical with antenna (5) quantity, bonder (4) is corresponding with antenna (5) to be connected；Remote signaling is set on described antenna (5) and processes mould
Block；BBU(1) with RRU(2) between be connected by optical fiber (7).
A kind of distributed antenna system the most according to claim 1, it is characterised in that: power splitter (3) outfan connects some
Road feeder line (8), every road feeder line (8) is connected in series some bonders (4) respectively, and each bonder (4) connects an antenna respectively
(5)；The antenna (5) of different feeder lines (8) is arranged into different covering places.
A kind of distributed antenna system the most according to claim 2, it is characterised in that: each RRU(2) connect two groups of power splitters
(3) antenna (5) position that, two power splitters (3) are connected is corresponding.
4. according to the distributed antenna system described in claim 1 ~ 3 any one, it is characterised in that: described antenna (5) is arranged in
Architecture indoor, antenna (5) is vertical polarized antenna (5).
A kind of distributed antenna system the most according to claim 4, it is characterised in that: described antenna arranges active mould on (5)
Block.
A kind of distributed antenna system the most according to claim 4, it is characterised in that: described RRU(2) with power splitter (3) it
Between also set up near end signal processing module, near end signal processing module include two converters (1-1), two wave filter (1-2),
Combiner (1-3) and power amplifier (1-4), the outfan of two converters (1-1) connects two wave filter (1-2) respectively,
Two wave filter (1-2) connect combiner (1-3) respectively, and combiner (1-3) connects power amplifier (1-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783477.6U CN205847266U (en) | 2016-07-25 | 2016-07-25 | A kind of distributed antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783477.6U CN205847266U (en) | 2016-07-25 | 2016-07-25 | A kind of distributed antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847266U true CN205847266U (en) | 2016-12-28 |
Family
ID=57626117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620783477.6U Active CN205847266U (en) | 2016-07-25 | 2016-07-25 | A kind of distributed antenna system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152682A (en) * | 2020-08-13 | 2020-12-29 | 南京熊猫电子股份有限公司 | MIMO communication device for realizing double/multi-channel binding communication by using two-path antenna |
-
2016
- 2016-07-25 CN CN201620783477.6U patent/CN205847266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152682A (en) * | 2020-08-13 | 2020-12-29 | 南京熊猫电子股份有限公司 | MIMO communication device for realizing double/multi-channel binding communication by using two-path antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206196066U (en) | Signal transmission system of remote radio head module and applied this module | |
| CN106571866A (en) | Wireless access system | |
| CN102664681A (en) | Radio-over-fiber switching system | |
| WO2023115907A1 (en) | Multi-service active distribution system | |
| CN102547771A (en) | Multichannel indoor distribution system and signal transmission method thereof | |
| CN209767546U (en) | Distributed antenna system | |
| CN103747447B (en) | Radio modem and power TD-LTE private network common antenna system and implementation method thereof | |
| CN111405580A (en) | 5G indoor coverage system and working method | |
| CN111010680B (en) | Indoor distribution system | |
| CN203554685U (en) | 4G and WOC cable-sharing transmission indoor coverage system | |
| CN104935360A (en) | Linear coverage transmission system adopting MIMO signal bidirectional feed-in leakage cables | |
| CN205847266U (en) | A kind of distributed antenna system | |
| CN213072658U (en) | System for realizing 4X4 MIMO based on indoor distribution system | |
| CN205566653U (en) | Indoor distribution system | |
| CN104660320A (en) | Device, system and method for signal transmission | |
| WO2018018466A1 (en) | Active antenna system, base station and communication system | |
| CN205666331U (en) | Adopt indoor distribution antenna and feed -line system of novel connected mode | |
| CN106358321B (en) | Front-end backhaul system for indoor wireless transmission | |
| CN110830069B (en) | Indoor signal equalization distribution system and method capable of saving cost | |
| CN102098220A (en) | WiFi (Wireless Fidelity) radio frequency switchboard, signal switching method thereof and system adopting switchboard | |
| CN104301909A (en) | Indoor distribution system MIMO single cable covering method and system | |
| CN103165967B (en) | A kind of coupler and the common transport system based on repeater room subsystem | |
| CN106058401A (en) | LTE point of interface applied to MIMO system | |
| CN203788465U (en) | Connector of indoor distribution system and indoor distribution system | |
| CN207625565U (en) | A kind of optica signal receivingl transmitting apparatus zoomed out for wireless signal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050000, Shijiazhuang, Hebei, Changan District, United States International B block, room 2703 Patentee after: Zhuoxin Communication Co.,Ltd. Address before: 050000, Shijiazhuang, Hebei, Changan District, United States International B block, room 2703 Patentee before: HEBEI JUNCTION COMMUNICATION SERVICES Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 050000 Floor 21, Innovation Building, No. 453, Yuhua East Road, High tech Zone, Shijiazhuang, Hebei Patentee after: Zhuoxin Communication Co.,Ltd. Address before: 050000 Room 2703, Block B, Meidong International, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: Zhuoxin Communication Co.,Ltd. |