CN105491577B - Asymmetric single double fluid mixing indoor covering system - Google Patents
Asymmetric single double fluid mixing indoor covering system Download PDFInfo
- Publication number
- CN105491577B CN105491577B CN201610045191.2A CN201610045191A CN105491577B CN 105491577 B CN105491577 B CN 105491577B CN 201610045191 A CN201610045191 A CN 201610045191A CN 105491577 B CN105491577 B CN 105491577B
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- active antenna
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- 239000012530 fluid Substances 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000009131 signaling function Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
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- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention relates to a kind of asymmetric single double fluid mixing indoor covering systems.The system comprises the LTE base station Remote Radio Unit, proximal device and the active antennas that are connected by transmitted in both directions；The LTE base station Remote Radio Unit has the function of while output double-stream downlink signal and the single double-current uplink signal of reception, the downlink signal are exported by active antenna, and the uplink signal is received by active antenna；The proximal device includes frequency conversion equipment and combiner, and the output end of LTE base station Remote Radio Unit is connect with the input terminal of frequency conversion equipment and combiner, and the output end of frequency conversion equipment and the input terminal of combiner connect；The active antenna has frequency conversion and power detection, and the output end of the combiner and the input terminal of active antenna connect.The system can calculate in real time and monitor the loss situation of each feeder since used active antenna can carry out power detection, solve the problems, such as that operator can not monitor indoor feeder in real time.
Description
Technical field
The invention belongs to fields of communication technology, are related to MIMO signal with cable transmission technology, in particular to a kind of asymmetric list
Double fluid mixing indoor covering system.
Background technique
In the 4th third-generation mobile communication LTE system and wireless local area network (WLAN) system based on MIMO technology, communication equipment would generally
The double-current signal exported with frequency needs in the mono- cable indoor covering system of existing 2G, 3G to carry out wireless coverage indoors
A feeder is newly laid, but lays new feeder construction cost height, property coordination difficulty is big, can not even march into the arena in some cells
Construction；Secondly, double cables covering system that either existing single cable indoor covering system is still newly laid, base station radio frequency remoter list
The passive devices such as many power splitters, radio frequency feeder, coupler are used between member and antenna, aging, the damage of these devices are led
Cause certain antennas that can not work, but operator can not monitor the topological network state of these passive devices composition in real time, it can only
By periodically sending someone, inspection antenna opening power rating is monitored, thus achieve the purpose that guarantee antenna work well, this at
It is greatly born for operator；Simultaneously because LTE system traffic rate is high, individual antenna coverage area is small, and single base station is penetrated
It is limited that frequency extension unit carries antenna amount, therefore it is very high to carry out double fluid covering cost.
In view of this, the present invention is specifically proposed.
Summary of the invention
The present invention provide it is a kind of by single feeder may be implemented single double fluid mixing communication, can monitor in real time it is non-right
Claim single double fluid mixing indoor covering system.
The present invention additionally provides a kind of biggish asymmetric single double fluid mixing indoor covering systems of radio coverage.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution: a kind of asymmetric single double fluid is mixed
Indoor covering system is closed, including LTE base station Remote Radio Unit, proximal device and the active antenna connected by transmitted in both directions；
Wherein, the LTE base station Remote Radio Unit has output double-stream downlink signal simultaneously and receives single double-current uplink
The function of signal, the downlink signal are exported by active antenna, and the uplink signal is received by active antenna；
The proximal device includes frequency conversion equipment and combiner, and output end and the frequency conversion of LTE base station Remote Radio Unit are set
Standby to connect with the input terminal of combiner, the output end of frequency conversion equipment and the input terminal of combiner connect；
The active antenna has frequency conversion and power detection, the input of the output end and active antenna of the combiner
End connection.
Further, the proximal device at least one.
Further, the system also includes power splitter and the first coupler, the input terminals and combiner of the power splitter
Output end connection, the output end of power splitter connect with the input terminal of the first coupler, the output end of the first coupler with it is active
The input terminal of antenna connects.
Further, the power splitter at least one.
Further, first coupler at least one.
Further, the output end of each first coupler is also according to needing to be connected with the second coupler.
Further, the quantity of second coupler is unlimited.
Further, the quantity of the active antenna is identical as the quantity of the first coupler and the second coupler.
Further, the system also includes third coupler and the 4th coupler, the third coupler and the 4th coupling
Clutch is between LTE base station Remote Radio Unit and the second proximal device.
Further, described further includes the second power splitter, the output end of the input terminal of the second power splitter and the 4th coupler
Connection, the output end of the second power splitter and the input terminal of passive antenna connect.
The mode that signal specifically transmits is as follows: LTE base station Remote Radio Unit exports 2 signals, is signal 1 and signal 2；
Signal 1 is delivered directly to combiner on down direction, and signal 2 is converted to signal 3 by frequency conversion equipment, and signal 1 and signal 3 pass through
It is exported after the combining of combiner by active antenna, wherein signal 1 is directly to export, and active antenna has frequency conversion function, can
Power and carrier frequency signal 3 is enlarged into signal 4, and signal 4 are adjusted to identical as signal 1, under being achieved
Row double fluid covering；Meanwhile active antenna can also receive signal 5, by the signal 5 of receiving along with 1 same paths of signal, phase negative side
To LTE base station Remote Radio Unit is transferred to, the covering of uplink list stream is realized.
After adopting the above technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) whole system has used a cable, carries out double-current covering to downlink signal by single cable, avoids in double cables
There are the problem of；
(2) the asymmetrical coverage mode of this uplink and downlink solves the problems, such as single cable transmission double fluid, meets user and download number
The small habit of data volume is uploaded greatly according to amount, and under proximal device power down or damaged condition, still can carry out single flow and cover,
It ensure that system service is not interrupted；
(3) since used active antenna can carry out power detection, it can calculate in real time and monitor the damage of each feeder
Situation is consumed, solves the problems, such as that operator can not monitor indoor feeder in real time；
(4) since the quantity of the active antenna connected can increase by 1 times according to customer demand, area coverage is also increased by
1 times.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the structural schematic diagram of embodiment 3；
Fig. 4 is the structural schematic diagram of embodiment 4；
Fig. 5 is the structural schematic diagram of embodiment 5；
Fig. 6 is the structural schematic diagram of embodiment 6.
Specific embodiment
Explanation is further explained to the present invention below in conjunction with specific embodiments and the drawings.
Embodiment 1:
Referring to Fig. 1, in down direction, the power of 1 output signal 1 of LTE base station Remote Radio Unit is 37dBm, reaches and closes
The power of road device 32 is 36dBm, and signal 2 becomes signal 3 after passing through frequency conversion equipment 2, and signal 1 and signal 3 pass through combiner 3 and be combined
It is connected afterwards with active antenna 4, active antenna 4 directly exports signal 1,3 frequency conversion of signal is enlarged into signal 4, and 4 function of signal
The covering of downlink double fluid is realized in output after rate and carrier frequency are adjusted to identical as signal 1；In up direction, signal 5 is by active day
Line 4 receives, and reaches LTE base station Remote Radio Unit 1 along with 1 same paths of signal, opposite direction, realizes the covering of uplink list stream.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, the difference is that being also connected between combiner 3 and active antenna 4 active
Point device 5 and the first coupler 6, the input terminal of the power splitter 5 are connect with the output end of combiner 3, the output end of power splitter 5 and
The input terminal of first coupler 6 connects, and the output end of the first coupler 6 is connect with the input terminal of active antenna 4, as shown in Figure 2.
Embodiment 3:
The present embodiment is substantially the same manner as Example 2, the difference is that the output end in the first coupler 6 is also connected with the second coupling
The output end of the input terminal of clutch 7, the second coupler 7 is connect with 4 ' input terminal of active antenna, the second coupler 7 and active antenna
4 ' can need to increase according to client, as shown in figure 3, can also have third coupler 7 ' and active antenna 4 ".
The power of the output signal 1 of LTE base station Remote Radio Unit 1 is 37dBm, and the power for reaching combiner 3 is
36dBm is divided into 2 branches by power splitter 5 and is covered, and one of branch passes through feeder 1, feeder 2, the connection of feeder 3 the
One coupler 6, the second coupler 7, third coupler 7 ' and active antenna 4, active antenna 4 ', active antenna 4 ", 3 active days
Line output power is respectively 15dBm, 13dBm, 13dBm, these performance numbers can be examined by the power of proximal device and active antenna
Survey device real-time measurement.When feeder line aging or when being broken, fault location can be carried out by the power that active antenna detects,
Such as when power is too low simultaneously for active antenna 4 ' and active antenna 4 ", then it can conclude that abort situation is feeder 2, if active antenna
4 " normally, and 4 ' power of active antenna is too low, can conclude that abort situation is active antenna 4 '.
Embodiment 4:
The present embodiment is substantially the same manner as Example 3, the difference is that the output end of the power splitter 5 is also connected with one first
Coupler 6 ' and active antenna 4 " ', as shown in figure 4,
Embodiment 5:
The present embodiment is substantially the same manner as Example 4, the difference is that the output end of LTE base station Remote Radio Unit 1 is also connected with
The input terminal of 4th coupler 9, the output end of the 4th coupler 9 are connect with the input terminal of the second power splitter 10, the second power splitter
10 output end connected with passive antenna 11, as shown in Figure 5.
Embodiment 6:
The present embodiment is substantially the same manner as Example 4, the difference is that LTE base station Remote Radio Unit 1 and the second proximal device
Between be connected separately with third coupler 8 and the 4th coupler 9, the input terminal and LTE base station remote radio list of third coupler 8
First 1 output end connection, the output end of third coupler 8 are connect with the input terminal of frequency conversion equipment 2 '；The input terminal of 4th coupler 9
It is connect with 1 output end of LTE base station Remote Radio Unit, the output end of the 4th coupler 9 is connect with the input terminal of combiner 3 ', such as
Shown in Fig. 6.
Referring to Fig. 6, it is 37dBm in the power of down direction, 1 output signal 1 of LTE base station Remote Radio Unit, passes through
The power that the straight-through end of 30dB third coupler 8 reaches combiner 3 is 36dBm, and signal 2 passes through the 4th coupler 9 of 30dB, coupling
5dBm power is sent to proximal device, and signal 1, which is converted to after signal 3, signal 1 and signal 3 are combined by combiner 3, passes through power splitter
5, the first coupler 6 (6 '), feeder network are connected with active antenna 4 (4 " '), and active antenna 4 (4 " ') directly exports signal 1,
3 frequency conversion of signal is enlarged into signal 4, and 4 power of signal and carrier frequency are adjusted to identical as signal 1, realizes downlink double fluid
Covering；In up direction, signal 5 is received by the antenna, and reaches LTE base station remote radio along with 1 same paths of signal, opposite direction
Unit 1 realizes the covering of uplink list stream.
It is 36dBm, the coupling of third coupler 8 in the power of the straight-through end down direction output signal 2 of the 4th coupler 9
The power for holding down direction output signal 1 is 5dBm, this 2 road signal is sent to the second proximal device, in up-downlink direction and first
The covering method that proximal device is realized is identical.
Through this embodiment, the full double fluid covering of the downlink of LTE signal is realized, single LTE base station Remote Radio Unit 1 covers
Area is 1 times of conventional method.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. asymmetric single double fluid mixing indoor covering system, which is characterized in that the LTE base station including being connected by transmitted in both directions is penetrated
Frequency extension unit, proximal device and active antenna；
Wherein, the LTE base station Remote Radio Unit has output double-stream downlink signal simultaneously and receives single double-current uplink signal
Function, the downlink signal by active antenna export, the uplink signal by active antenna reception；
The proximal device includes the first proximal device and the second proximal device, and first proximal device includes frequency conversion equipment
(2) and combiner (3), second proximal device include frequency conversion equipment (2 ') and combiner (3 ')；
The output end of LTE base station Remote Radio Unit connect with the input terminal of frequency conversion equipment (2) and combiner (3) and with change
Frequency equipment (2 ') is connected with the input terminal of combiner (3 '), and the output end of frequency conversion equipment (2) and the input terminal of combiner (3) connect
It connects, the output end of frequency conversion equipment (2 ') is connected with the input terminal of combiner (3 ')；
The active antenna has frequency conversion and power detection, and the output end of the combiner and the input terminal of active antenna connect
It connects；
The system also includes third coupler (8) and the 4th coupler (9), the third coupler (8) and the 4th coupler
(9) between LTE base station Remote Radio Unit and the second proximal device.
2. asymmetric single double fluid mixing indoor covering system as described in claim 1, which is characterized in that the system also includes
The input terminal of power splitter (5) and the first coupler (6), the power splitter (5) is connect with the output end of combiner (3), power splitter
(5) output end is connect with the input terminal of the first coupler (6), and the output end of the first coupler (6) is defeated with active antenna (4)
Enter end connection.
3. asymmetric single double fluid mixing indoor covering system as claimed in claim 2, which is characterized in that the power splitter is at least
One.
4. asymmetric single double fluid mixing indoor covering system as claimed in claim 2, which is characterized in that first coupler
At least one.
5. asymmetric single double fluid mixing indoor covering system as claimed in claim 4, which is characterized in that each first coupler
Output end also according to needing to be connected with the second coupler.
6. asymmetric single double fluid mixing indoor covering system as claimed in claim 5, which is characterized in that second coupler
Quantity it is unlimited.
7. asymmetric single double fluid mixing indoor covering system as claimed in claim 5, which is characterized in that the active antenna
Quantity is identical as the quantity of the first coupler and the second coupler.
8. asymmetric single double fluid mixing indoor covering system as described in claim 1, which is characterized in that described further includes second
Power splitter, the input terminal of the second power splitter are connect with the output end of the 4th coupler, the output end of the second power splitter and passive day
The input terminal of line connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045191.2A CN105491577B (en) | 2016-01-22 | 2016-01-22 | Asymmetric single double fluid mixing indoor covering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045191.2A CN105491577B (en) | 2016-01-22 | 2016-01-22 | Asymmetric single double fluid mixing indoor covering system |
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| CN105491577A CN105491577A (en) | 2016-04-13 |
| CN105491577B true CN105491577B (en) | 2019-02-05 |
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| CN201610045191.2A Active CN105491577B (en) | 2016-01-22 | 2016-01-22 | Asymmetric single double fluid mixing indoor covering system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233971B (en) * | 2016-12-14 | 2020-07-24 | 中国电信股份有限公司 | Full-duplex distribution system and full-duplex signal transmission method |
| CN114286355B (en) * | 2021-12-30 | 2024-03-22 | 陕西天基通信科技有限责任公司 | Active remote unit and indoor coverage system based on same |
| CN114302416B (en) * | 2021-12-30 | 2024-04-05 | 陕西天基通信科技有限责任公司 | Feed access unit and indoor coverage system based on same |
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| CN102098688A (en) * | 2009-12-09 | 2011-06-15 | 中国移动通信集团公司 | Method, system and device for realizing MIMO (multiple input multiple output) of indoor distribution system |
| CN102281548A (en) * | 2011-08-01 | 2011-12-14 | 深圳市云海通讯股份有限公司 | Frequency domain decomposition-long term evolution (FDD-LTE) indoor coverage system |
| CN202587394U (en) * | 2012-04-28 | 2012-12-05 | 厦门雷克通信技术工程有限公司 | Novel TD-LTE indoor distribution system |
| CN102932029A (en) * | 2012-09-20 | 2013-02-13 | 中国联合网络通信集团有限公司 | Long term evolution (LTE) indoor distribution system and double-path frequency conversion equipment and method thereof |
| CN203827517U (en) * | 2014-03-07 | 2014-09-10 | 厦门山海联盛通信技术有限公司 | TD-LTE indoor distribution system based on CATV cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013219507A (en) * | 2012-04-06 | 2013-10-24 | Ntt Docomo Inc | Radio communication method, local area base station device, mobile terminal device, and radio communication system |
-
2016
- 2016-01-22 CN CN201610045191.2A patent/CN105491577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102098688A (en) * | 2009-12-09 | 2011-06-15 | 中国移动通信集团公司 | Method, system and device for realizing MIMO (multiple input multiple output) of indoor distribution system |
| CN102281548A (en) * | 2011-08-01 | 2011-12-14 | 深圳市云海通讯股份有限公司 | Frequency domain decomposition-long term evolution (FDD-LTE) indoor coverage system |
| CN202587394U (en) * | 2012-04-28 | 2012-12-05 | 厦门雷克通信技术工程有限公司 | Novel TD-LTE indoor distribution system |
| CN102932029A (en) * | 2012-09-20 | 2013-02-13 | 中国联合网络通信集团有限公司 | Long term evolution (LTE) indoor distribution system and double-path frequency conversion equipment and method thereof |
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Address after: 100176 101, 1st to 5th floors, Building 4, Zone 3, No. 88, Jinghai 5th Road, Daxing District, Beijing Economic-Technological Development Area (Yizhuang Cluster, High end Industrial Area, Beijing Pilot Free Trade Zone) Patentee after: BEIJING WIDE TECHNOLOGY CO.,LTD. Address before: 100176 room 702-1, 7th floor, building 3, yard 22, Ronghua Middle Road, economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING WIDE TECHNOLOGY CO.,LTD. |
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