CN207995102U - Antenna feeder Network Fault Detection device and remote termination - Google Patents
Antenna feeder Network Fault Detection device and remote termination Download PDFInfo
- Publication number
- CN207995102U CN207995102U CN201720800307.9U CN201720800307U CN207995102U CN 207995102 U CN207995102 U CN 207995102U CN 201720800307 U CN201720800307 U CN 201720800307U CN 207995102 U CN207995102 U CN 207995102U
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- pilot
- unit
- antenna
- pilot signal
- feeder network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Abstract
The utility model is related to a kind of antenna feeder Network Fault Detection device and remote terminations, including combiner unit, pilot tone generating unit, pilot reception unit, comparing unit and pilot reception antenna.Pilot tone generating unit generates pilot signal, and combiner unit is by pilot signal and the combining of DAS system signal and feed-in antenna-feeder system, by the transmitting antenna of antenna-feeder system by pilot signal to spatial emission.Pilot reception unit receives pilot signal by pilot reception antenna, when antenna feeder network is normal, pilot power on the basis of the pilot power received from space, comparing unit compares and reference pilot signal power and currently receives pilot signal power from space, shows antenna feeder network state exception when reference pilot signal power and time pilot signal power error are more than fault threshold.Antenna feeder network is intuitively monitored based on this, improves the reliability of antenna feeder network.
Description
Technical field
The utility model is related to fields of communication technology, more particularly to a kind of antenna feeder Network Fault Detection device and distal end
Machine.
Background technology
With the fast development of mobile communications network, covering demand and reliability requirement day of the client to mobile communication signal
Benefit increases, and especially public safety network covers, to the reliability requirement higher of network.Carrying out mobile communication signal covering
When, active DAS (Distributed Antenna System distributing antenna systems) equipment of entity can be monitored in real time
State can find and repair in time in device fails.But passive antenna feeder network is difficult to intuitively when breaking down
It notes abnormalities, leads to not find failure in time.
Utility model content
Based on this, it is necessary to be difficult to intuitively note abnormalities when breaking down for existing passive antenna feeder network, lead
It causes not finding the defect of failure in time, a kind of antenna feeder Network Fault Detection device and remote termination is provided.
Technical solution provided by the utility model is as follows：
A kind of antenna feeder Network Fault Detection device, including combiner unit, pilot tone generating unit, pilot reception unit, compare
Unit and pilot reception antenna；The combiner unit is separately connected the pilot tone generating unit, DAS systems and antenna-feeder system；Institute
It states comparing unit and the pilot reception antenna is connected by the pilot reception unit.
A kind of antenna feeder Network Fault Detection device, including combiner unit, the pilot tone generating unit for generating pilot signal,
For receiving the pilot reception unit of the pilot signal by pilot reception antenna, currently receiving institute from space for counting
State the comparing unit of the power of pilot signal；The combiner unit is separately connected the pilot tone generating unit, DAS system and antenna feeder
System, by the pilot signal and the combining of DAS system signal and feed-in antenna-feeder system, by the transmitting antenna of antenna-feeder system by institute
Pilot signal is stated to spatial emission；The comparing unit connects the pilot reception antenna by the pilot reception unit.
A kind of remote termination, including above-mentioned antenna feeder Network Fault Detection device.
By antenna feeder Network Fault Detection device provided by the utility model, pilot tone generating unit generates pilot signal,
Combiner unit will lead pilot signal and the combining of DAS system signal and feed-in antenna-feeder system by the transmitting antenna of antenna-feeder system
Frequency signal is to spatial emission.Pilot reception unit by pilot reception antenna receive pilot signal, comparing unit statistics currently from
Space receives pilot signal power, is intuitively monitored to antenna feeder network based on this, and the reliability of antenna feeder network is improved.
Description of the drawings
Fig. 1 is the function structure chart of antenna feeder Network Fault Detection device；
Fig. 2 is the internal module structure chart of pilot tone generating unit；
Fig. 3 is the internal module structure chart of pilot reception unit.
Specific implementation mode
The purpose of this utility model, technical solution and technique effect in order to better understand, below in conjunction with attached drawing and reality
It applies example and further explaining illustration is carried out to the utility model.It states simultaneously, embodiments described below is only used for explaining this
Utility model is not used to limit the utility model.
In one embodiment, as shown in Figure 1, being the function structure chart of antenna feeder Network Fault Detection device, including combining list
Member 101, pilot tone generating unit 102, pilot reception unit 104, comparing unit 105 and pilot reception antenna 103；The combining is single
Member 101 is separately connected the pilot tone generating unit 102, DAS system and antenna-feeder system；The comparing unit 105 is led by described
Frequency receiving unit 104 connects the pilot reception antenna 103.
Wherein, pilot tone generating unit 102 generates pilot signal, and combiner unit 101 is by pilot signal and DAS system signals
After combining, by the transmitting antenna of antenna-feeder system by pilot signal to spatial emission, pilot reception unit 104 passes through pilot reception
Antenna 103 receives pilot signal, the pilot signal power of the analysis statistics pilot signal of comparing unit 105 from space.
By antenna feeder Network Fault Detection device provided by the utility model, pilot tone generating unit 102 generates pilot tone letter
Number, pilot signal and the combining of DAS system signal and feed-in antenna-feeder system are passed through the transmitting day of antenna-feeder system by combiner unit 101
Line is by pilot signal to spatial emission.Pilot reception unit 104 receives pilot signal by pilot reception antenna 103, relatively more single
105 analysis statistics of member currently receives pilot signal power from space, is intuitively monitored, is improved to antenna feeder network based on this
The reliability of antenna feeder network.
Wherein, when antenna feeder network is normal, pilot tone generating unit 102 generates pilot signal A, and combiner unit 101 is by pilot tone
After the combining of signal A and DAS system signal, by the transmitting antenna of antenna-feeder system by pilot signal A to spatial emission, pilot reception
Unit 104 receives pilot signal A by pilot reception antenna 103 from space, the analysis statistics pilot signal of comparing unit 105 A's
Pilot signal power B, and using pilot signal power B as reference pilot signal power.Further, pilot tone generating unit 102
Timing generates pilot signal C and passes through the hair of antenna-feeder system after pilot signal C and DAS system signal are combined by combiner unit 101
Antenna is penetrated by pilot signal C to spatial emission, pilot reception unit 104 is synchronously connect from space by pilot reception antenna 103
Pilot signal C, the pilot signal power D of the analysis statistics pilot signal of comparing unit 105 C are received, and compares reference pilot signal work(
Rate B and time pilot signal power D, when B-D value be more than thresholding E, then judge current antenna feeder Network Abnormal.
In a preferred embodiment, the antenna feeder Network Fault Detection device further includes memory module, the memory module
The comparing unit is connected, the memory module is for storing the pilot tone that the comparing unit is received when antenna feeder network is normal
The power of signal.
In one embodiment, as shown in Fig. 2, being the internal module structure chart of pilot tone generating unit 102, the pilot tone occurs
Unit includes pilot signal generation unit 112 and pilot signal amplifying unit 122, and the pilot signal generation unit 112 passes through
The pilot signal amplifying unit 122 connects the combiner unit 101.
Wherein, the pilot signal generation unit 112 is for generating pilot signal, the pilot signal amplifying unit 122
The pilot signal is amplified and is transmitted to combiner unit 101.
Pilot signal is generated by the pilot signal generation unit 112, and passes through the pilot signal amplifying unit 122
The pilot signal is amplified, to increase the power of the pilot signal, reduces in signals transmission signal noise to leading
The influence of frequency signal.
In one embodiment, the pilot tone generating unit 102 includes pilot signal generator.Use pilot signal generator
As the pilot tone generating unit, the integrated level of pilot signal generator is high, small, can generate high-precision, specific ginseng
Several pilot signal, to improve the reliability and use scope of device.
In one embodiment, the combiner unit 101 includes duplexer.Using duplexer as the combiner unit 101,
It can be sent out by a set of antenna-feeder system after two different tranmitting frequency signal, that is, pilot signals and the synthesis of DAS system signal
It is shot out, so that pilot signal, by antenna feeder network, realization is monitored antenna feeder network.
In one embodiment, the comparing unit includes power analyzer.At using power analyzer as the power
Statistic unit 105 is managed, can continuously and stably analyze and count and record the pilot signal, meets point of pilot carrier frequency not of the same race
Analyse statistical demand.
In one embodiment, as shown in figure 3, being the internal module structure chart of pilot reception unit 104, the pilot reception
Unit includes filter unit 114 and amplifying unit 124, and the filter unit 114 connects the ratio by the amplifying unit 124
Compared with unit 105.
The pilot signal received is filtered by the filter unit 114, and will in conjunction with the amplifying unit 124
The processing that the pilot signal is amplified is effectively reduced the influence of noise in signal, improves the accuracy of power statistic, protects
The reliability of card device.
In one embodiment, a kind of antenna feeder Network Fault Detection device is provided, including combiner unit 101, is led for generating
The pilot tone generating unit 102 of frequency signal, the pilot reception for receiving the pilot signal by the pilot reception antenna 103
The comparing unit 105 of unit 104, power for counting the pilot signal currently received from space；The combining is single
Member 101 is separately connected the pilot tone generating unit 102, DAS system and antenna-feeder system, and the pilot signal and DAS system are believed
Number combining and feed-in antenna-feeder system, by the transmitting antenna of antenna-feeder system by the pilot signal to spatial emission；The comparison
Unit 105 connects the pilot reception antenna 103 by the pilot reception unit 104.
The antenna feeder Network Fault Detection device provided through this embodiment, pilot tone generating unit 102 generate pilot signal,
Combiner unit 101, will by the transmitting antenna of antenna-feeder system by pilot signal and the combining of DAS system signal and feed-in antenna-feeder system
Pilot signal is to spatial emission.Pilot reception unit 104 receives pilot signal, comparing unit 105 by pilot reception antenna 103
Analysis statistics currently receives pilot signal power from space, is intuitively monitored to antenna feeder network based on this, and antenna feeder is improved
The reliability of network.
In one embodiment, a kind of remote termination is provided, the remote termination includes above-mentioned antenna feeder Network Fault Detection device.
Wherein, the antenna feeder Network Fault Detection device is installed on inside the remote termination, can be effectively saved space, drop
Low engineering construction complexity.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of antenna feeder Network Fault Detection device, which is characterized in that including combiner unit, pilot tone generating unit, pilot reception
Unit, comparing unit and pilot reception antenna；The combiner unit is separately connected the pilot tone generating unit, DAS system and day
Feedback system；The comparing unit connects the pilot reception antenna by the pilot reception unit.
2. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that the pilot tone generating unit includes
Pilot signal generation unit and pilot signal amplifying unit, the pilot signal generation unit are amplified single by the pilot signal
Member connects the combiner unit.
3. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that the pilot reception unit includes
Filter unit and amplifying unit, the filter unit connect the comparing unit by the amplifying unit.
4. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that the pilot tone generating unit includes
Pilot signal generator.
5. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that the combiner unit includes duplex
Device.
6. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that the comparing unit includes power
Analyzer.
7. antenna feeder Network Fault Detection device according to claim 1, which is characterized in that further include memory module, it is described
Memory module connects the comparing unit.
8. a kind of antenna feeder Network Fault Detection device, which is characterized in that the pilot tone including combiner unit, for generating pilot signal
Generating unit, the pilot reception unit for receiving pilot signal by pilot reception antenna currently connect from space for counting
Receive the comparing unit of the power of the pilot signal；The combiner unit is separately connected the pilot tone generating unit, DAS system
And the pilot signal and the combining of DAS system signal and feed-in antenna-feeder system are passed through antenna feeder by antenna-feeder system, the combiner unit
The transmitting antenna of system is by the signal after combining to spatial emission；The comparing unit connects institute by the pilot reception unit
Pilot reception antenna is stated, the power of the pilot signal for comparing reference pilot signal power and receiving, and sentenced according to result
Whether disconnected antenna feeder network is abnormal.
9. antenna feeder Network Fault Detection device according to claim 8, which is characterized in that the reference pilot signal power
For the power for the pilot signal that the comparing unit is received when antenna feeder network is normal.
10. a kind of remote termination, which is characterized in that include the antenna feeder Network Fault Detection device as described in claim 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800307.9U CN207995102U (en) | 2017-07-04 | 2017-07-04 | Antenna feeder Network Fault Detection device and remote termination |
| PCT/CN2017/104400 WO2019006899A1 (en) | 2017-07-04 | 2017-09-29 | Antenna feeder network failure detecting device and remote terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800307.9U CN207995102U (en) | 2017-07-04 | 2017-07-04 | Antenna feeder Network Fault Detection device and remote termination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207995102U true CN207995102U (en) | 2018-10-19 |
Family
ID=63804158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720800307.9U Active CN207995102U (en) | 2017-07-04 | 2017-07-04 | Antenna feeder Network Fault Detection device and remote termination |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207995102U (en) |
| WO (1) | WO2019006899A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741481B (en) * | 2008-11-21 | 2013-04-03 | 中国移动通信集团河南有限公司 | Antenna feeder system performance test method and device |
| US9603032B2 (en) * | 2012-06-14 | 2017-03-21 | Advanced Rf Technologies, Inc. | System and method for automatically measuring uplink noise level of distributed antenna system |
| CN103427921B (en) * | 2013-08-13 | 2015-04-15 | 华为技术有限公司 | Method and device for fault detection of antenna feed system |
| CN106912069B (en) * | 2017-03-24 | 2019-12-10 | 京信通信系统（中国）有限公司 | Distributed antenna system remote terminal and uplink signal link detection method and device thereof |
-
2017
- 2017-07-04 CN CN201720800307.9U patent/CN207995102U/en active Active
- 2017-09-29 WO PCT/CN2017/104400 patent/WO2019006899A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2019006899A1 (en) | 2019-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200109 Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Communication System (China) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee before: Comba Telecom System (China) Ltd. |
|
| CP01 | Change in the name or title of a patent holder |