CN102907129A - Detection system and device for distributed antenna system - Google Patents
Detection system and device for distributed antenna system Download PDFInfo
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- CN102907129A CN102907129A CN2011800039769A CN201180003976A CN102907129A CN 102907129 A CN102907129 A CN 102907129A CN 2011800039769 A CN2011800039769 A CN 2011800039769A CN 201180003976 A CN201180003976 A CN 201180003976A CN 102907129 A CN102907129 A CN 102907129A
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Abstract
The embodiment of the invention provides a detection system and device for a distributed antenna system, which can implement the operation status monitoring for each antenna branch of the distributed antenna system. An antenna manager detects the service signal power at the antenna of the antenna branch; the antenna manager sends to a detector a feedback message which carries the antenna ID and the service signal power at the antenna of the antenna branch; after receiving the feedback message, the detector calculates the path loss of the antenna branch by the carried service signal power at the antenna and the service signal power at the signal source end, and determines whether the antenna branch works normally according to the path loss of the antenna branch.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of detection system and device of distributing antenna system.
Background technology
In the more and more higher epoch of the popularity of mobile communication, the user also improves the requirement of service quality thereupon, has therefore produced using the demand of mobile communication in the environment such as indoor, tunnel and subway.If only rely on the covering of outdoor base station, can there be the problem that receives jitter even can't receive signal in the place in indoor or subway etc., in order to address this problem, can use a kind of controlled distributing antenna system.DAS (Distributed Antenna System, distributing antenna system) by two or more antennas and the network that public information source end forms, owing to adopted new allocating antenna mode, can guarantee that the signal in the places such as indoor, tunnel and subway covers.
Build the distributing antenna system of finishing, need to regularly detect, obtain the information such as the parameter of each spaced antenna and signal strength signal intensity, and according to the information analysis that obtains or adjust the antenna operating state, to guarantee the communication quality of indoor covering system.Distributing antenna system is except the information source end, and other parts all are passive devices, and operator adopts method for detecting standing wave usually to the detection of distributing antenna system passive part.Method for detecting standing wave is by increasing standing wave detection circuit at the information source end, according to the operating state of measuring the standing-wave ratio judgement antenna system on the antenna-path.The scheme that adopts standing wave to detect detects respond well in the single channel antenna system, but is difficult to be applied to the distributing antenna system of a plurality of antenna branch.
Summary of the invention
The embodiment of the invention provides a kind of detection system and device of distributing antenna system, is used for detecting efficiently and accurately the operating state of each antenna branch of distributing antenna system.
One aspect of the present invention provides a kind of detection system of distributing antenna system, and described detection system comprises a plurality of antenna managers and a detector, wherein:
Antenna manager: be electrically connected with the antenna feed cable of described distributing antenna system, store the antenna ID of antenna branch, described antenna manager is for detection of the service signal power at described antenna branch antenna place, and to detector transmission feedback message, carry antenna ID and the described antenna place service signal power of described antenna branch in the described feedback message;
Detector: be electrically connected with the information source end of described distributing antenna system, be used for receiving described feedback message, utilize the described antenna place service signal power and the described service signal that wherein carry to calculate described antenna branch path loss at the power meter of described information source end, judge according to described antenna branch path loss whether described antenna branch work is normal.
The present invention provides a kind of detector for the distributing antenna system detection on the other hand, and described detector comprises:
Receiver: be used for to receive feedback message, described feedback message carries the ID of antenna of antenna branch and the antenna place service signal power of described antenna branch; With
Processor: whether be used for utilizing described antenna place service signal power and described service signal to calculate described antenna branch path loss at the power meter of information source end, it is normal to judge described antenna branch work according to described antenna branch path loss.
The present invention provides a kind of antenna manager for the distributing antenna system detection on the other hand, and described antenna manager comprises:
Processor: for detection of the service signal power at the antenna place of antenna branch, from memory, obtain the antenna ID of described antenna branch, and the generation feedback message, described feedback message carries the antenna ID of described antenna branch and the service signal power at described antenna place;
Transmitter: be used for the described feedback message that described processor generates is sent to detector;
Memory: be used for storing the antenna ID of described antenna branch;
Power module: be used to described antenna manager power supply.
The present invention provides a kind of detection system of distributing antenna system on the other hand, and described detection system comprises a plurality of antenna managers and a detector, wherein:
Antenna manager: be electrically connected with the antenna feed cable of described distributing antenna system, store the antenna ID of antenna branch, described antenna manager is used for sending detect-message by default transmitted power to detector, carries the antenna ID of described antenna branch in the described detect-message;
Detector: be electrically connected with the information source end of described distributing antenna system, be used for measuring described detect-message at the power of described detector, and from described detect-message, obtain the antenna ID of described antenna branch, utilize described detect-message to calculate described antenna branch path loss in power and the default transmitted power of described detect-message of described detector, judge according to described antenna branch path loss whether described antenna branch work is normal.
The present invention provides a kind of detector for the distributing antenna system detection on the other hand, and described detector comprises:
Receiver: be used for receiving detect-message, described detect-message sends by default transmitted power, and described detect-message is carried the antenna ID of the antenna branch of described distributing antenna system; With
Processor: be used for measuring the described detect-message power that described detector receives, and the default transmitted power of utilizing described detect-message power and described detect-message calculates described antenna branch path loss, judges according to described antenna branch path loss whether described antenna branch work is normal.
Further aspect of the present invention provides a kind of antenna manager for the distributing antenna system detection, and described antenna manager comprises:
Processor: be used for generating detect-message, detect-message of living in is carried the antenna ID of described antenna branch;
Transmitter: be used for described detect-message is sent to detector by default transmitted power;
Memory: be used for storing the antenna ID of described antenna branch;
Power module: be used to described antenna manager power supply.
By using detection system and the device of the distributing antenna system that the embodiment of the invention provides, feedback message or detect-message that detector utilizes each antenna manager to send, whether calculate respective antenna branch road path loss, it is normal to judge this antenna branch work according to path loss.This detection system, apparatus and method have realized the monitoring of each antenna branch operating state of distributing antenna system, overcome the deficiency of standing wave detection technique, can detect each antenna branch separately, realized the comprehensive monitoring to distributing antenna system, testing result is accurate, and real-time is high.
Description of drawings
The detection system schematic diagram of a kind of distributing antenna system that Fig. 1 provides for the embodiment of the invention;
A kind of detector schematic diagram for the distributing antenna system detection that Fig. 2 provides for the embodiment of the invention;
A kind of antenna manager schematic diagram for the distributing antenna system detection that Fig. 3 provides for the embodiment of the invention;
The detection system schematic diagram of a kind of distributing antenna system that Fig. 4 provides for another embodiment of the present invention;
A kind of detector schematic diagram for the distributing antenna system detection that Fig. 5 provides for another embodiment of the present invention;
A kind of antenna manager schematic diagram for the distributing antenna system detection that Fig. 6 provides for another embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage express clearlyer, describe technical scheme provided by the invention in detail below in conjunction with specific embodiments and the drawings.
In the distributing antenna system, except the information source end, other parts parts generally all are passive devices, such as power splitter, mixer, coupler, antenna etc.The embodiment of the invention provides a kind of detection system of distributing antenna system, as shown in Figure 1, and for comprising the distributing antenna system schematic diagram of this detection system.This distributing antenna system mainly comprises information source end 101, a plurality of antenna 102, detector 103 and a plurality of antenna manager 104, and the detection system that present embodiment provides mainly comprises a detector 103 and a plurality of antenna manager 104.The information source end consists of a strip antenna branch road to path and the corresponding antenna of arbitrary antenna, two strip antenna branch roads have only schematically been drawn among Fig. 1, the antenna branch quantity of actual distribution formula antenna system disposes as required, in addition, distributing antenna system also comprises other function element, such as power splitter, mixer, coupler, feeder cable etc., clearly do not indicate among Fig. 1.The information source end can be the repeater, driedly put, base station, remote radio unit (RRU) RRU, base transceiver station, base station node B etc., the information source end is connected by the DAS network with antenna, and the DAS network mainly comprises above-mentioned power splitter, mixer, coupler, feeder cable etc.In the embodiment of the invention, detector 103 is arranged on the information source end, is electrically connected with the information source end, and can be utilized as the Power supply of information source end power supply, and detector can receive the signal of telecommunication from the antenna feed cable, and detector can be built in the information source end.Antenna manager 104 is arranged on the antenna place, be electrically connected with the antenna feed cable, can send the signal of telecommunication to detector 103 via the antenna branch path that the devices such as feeder cable, coupler, mixer, power splitter form, each antenna manager stores the ID of the antenna of antenna branch.It is inner or outside that the antenna manager can be installed in antenna, its supply power mode can have multiple, such as utilizing the energy power supply of from feeder cable, obtaining part wireless traffic signal, powered battery, solar cell for supplying power etc., if be installed to the antenna outside, can also obtain energy by coil coupling antenna wireless service signal.
In distributing antenna system, the information source end sends service signal to each antenna branch, at each antenna service signal of information source end certain power is arranged, this performance number information source end be know and can notify detector, service signal has path loss when arriving the antenna place through the antenna branch path, utilize service signal can obtain respective antenna branch road path loss at power and the power of described service signal at the antenna place of information source end, for example, described service signal is subtracted each other at the power of information source end and the power of described service signal at the antenna place can obtain respective antenna branch road path loss.When distributing antenna system information source end sends service signal to each antenna, antenna manager 104 is for detection of the service signal power at antenna branch antenna place, and to detector transmission feedback message, carry ID and the above-mentioned antenna place service signal power of the antenna of described antenna branch in the described feedback message, detector 103 is used for receiving above-mentioned feedback message, whether utilize the antenna place service signal power and this service signal that wherein carry to calculate described antenna branch path loss at the power meter of information source end, it is normal to judge the work of respective antenna branch road according to antenna branch path loss.For example, when antenna branch road path loss during less than predetermined threshold value, can think that this antenna branch is working properly, and can provide the normal state information of antenna branch, otherwise can think this antenna branch operation irregularity, and can provide the unusual state information of antenna branch.
In the embodiment of the invention, send feedback message and cause information collision or congested to detector simultaneously for fear of a plurality of antenna managers, can coordinate each antenna manager by a cover coordination system, after for example the same day, wire manager recorded respective antenna place signal power, send feedback message to detector again behind the random delay.
As shown in Figure 2, detector 103 specifically can comprise:
Receiver 1031: be used for to receive feedback message, described feedback message carries the ID of antenna of antenna branch and the antenna place service signal power of described antenna branch.
Processor 1032: whether utilize described antenna place service signal power and this service signal to calculate described antenna branch path loss at the power meter of information source end, it is normal to judge described antenna branch work according to path loss.
Optionally, detector 103 can also comprise memory 1033: be used for each antenna branch work state information of storage.
Above-mentioned detector is electrically connected with the information source end, can be built in the information source end, and can be utilized as the Power supply of information source end power supply.Whether processor 1032 can be judged the work of respective antenna branch road according to antenna branch path loss normal.For example, when antenna branch road path loss during less than predetermined threshold value, can think that this antenna branch is working properly, and can provide the normal state information of antenna branch, store above-mentioned state information into memory, otherwise can think this antenna branch operation irregularity, and can provide the unusual state information of antenna branch, store above-mentioned state information into memory.
As shown in Figure 3, antenna manager 104 specifically can comprise:
Processor 1041: for detection of the service signal power at the antenna place of antenna branch, from memory 1043, obtain the ID of the antenna of this antenna branch, and the generation feedback message, described feedback message carries the antenna ID of described antenna branch and the service signal power at described antenna place.
Transmitter 1042: be used for the described feedback message that processor generates is sent to detector.
Memory 1043: be used for storing the antenna ID of described antenna branch.
Power module 1044: be used to above-mentioned antenna manager power supply.
It is inner or outside that above-mentioned antenna manager can be installed in antenna.
It is the power supply of antenna manager that power module 1044 can adopt various ways, can be the power supply of antenna manager by acquisition unit separate service signal energy from the antenna feed cable of described antenna branch for example, or be antenna manager power supply by modes such as battery, solar energy, if above-mentioned antenna manager is installed in the antenna outside, can pass through at coil coupled antenna wireless traffic signal acquisition energy.
By using the detection system of the distributing antenna system that the embodiment of the invention provides, the feedback message that detector reception antenna manager sends, whether calculate antenna branch path loss according to the antenna place service signal power and this service signal that carry in the described feedback message at the power meter of information source end, it is normal to judge this antenna branch work according to path loss.This detection system has realized the monitoring of each antenna branch operating state of distributing antenna system, overcome the deficiency of standing wave detection technique, can detect each antenna branch separately, realized the comprehensive monitoring to distributing antenna system, testing result is accurate, and real-time is high.
Another embodiment of the present invention provides a kind of distributing antenna system detection system, this detection system have with previous embodiment in the similar structure of detection system of distributing antenna system, mainly comprise a detector and a plurality of antenna manager.As shown in Figure 4, for comprising the distributing antenna system schematic diagram of this detection system, this distributing antenna system have with previous embodiment in the similar structure of distributing antenna system, mainly comprise information source end 401, a plurality of antenna 402, a detector 403 and a plurality of antenna manager 404.The information source end consists of a strip antenna branch road to path and the corresponding antenna of arbitrary antenna, still only be schematically to have drawn two strip antenna branch roads among Fig. 4, the antenna branch quantity of actual distribution formula antenna system disposes as required, in addition, distributing antenna system also comprises other function element, such as power splitter, mixer, coupler, feeder cable etc., clearly do not indicate among Fig. 4.The information source end can be the repeater, driedly put, base station, remote radio unit (RRU) RRU, base transceiver station, base station node B etc., the information source end is connected by the DAS network with antenna, and the DAS network mainly comprises above-mentioned power splitter, mixer, coupler, feeder cable etc.In the present embodiment, detector 403 is arranged on the information source end, is electrically connected with the information source end, and can be utilized as the Power supply of information source end power supply, and detector can receive the signal of telecommunication from the antenna feed cable, and detector can be built in the information source end.Antenna manager 404 is arranged on the antenna place, be electrically connected with the antenna feed cable, can send the signal of telecommunication to detector 403 via the antenna branch path that the devices such as feeder cable, coupler, mixer, power splitter form, each antenna manager stores the antenna ID of antenna branch.It is inner or outside that the antenna manager can be installed in antenna, its supply power mode can have multiple, such as utilizing the energy power supply of from feeder cable, obtaining part wireless traffic signal, powered battery, solar cell for supplying power etc., if be installed to the antenna outside, can also obtain energy by coil coupling antenna wireless service signal.
In the present embodiment, antenna manager 404 is used for sending detect-message to detector 403, carry the antenna ID of the antenna branch of above-mentioned antenna manager administration in the described detect-message, each antenna manager sends above-mentioned detect-message by default transmitted power, detector can store the default transmitted power of the detect-message of each antenna manager transmission, perhaps also can be by the described default transmitted power of antenna manager notice detector, for example, will preset transmitted power is carried in described detect-message or other message and sends to detector.Detector 403 is used for measuring above-mentioned detect-message at the power of detector, and from described detect-message, obtain the antenna ID of its antenna branch of carrying, utilize above-mentioned detect-message to calculate described antenna branch path loss at the power of detector and the default transmitted power of this detect-message, for example, the default transmitted power of described detect-message and described detect-message subtracted each other at the power of detector can obtain respective antenna branch road path loss, judge according to antenna branch path loss whether described antenna branch work is normal.For example, when antenna branch road path loss during less than predetermined threshold value, can think that this antenna branch is working properly, and can provide the normal state information of antenna branch, otherwise can think this antenna branch operation irregularity, and can provide the unusual state information of antenna branch.
In the present embodiment, send detect-message to detector simultaneously for fear of a plurality of antenna managers and cause information collision or congested, can coordinate each antenna manager by a cover coordination system, each antenna manager for example is set send detect-message at different time points.
As shown in Figure 5, detector 403 specifically can comprise:
Receiver 4031: be used for receiving detect-message, described detect-message sends by default transmitted power, and described detect-message is carried the antenna ID of the antenna branch of described distributing antenna system.
Processor 4032: for the power of the described detect-message of measuring described detector reception, and utilize above-mentioned detect-message power and the default transmitted power of this detect-message to calculate described antenna branch path loss, judge according to described antenna branch path loss whether described antenna branch work is normal.
Optionally, detector 403 can also comprise memory 4033: the default transmitted power that is used for storing above-mentioned detect-message.
Whether processor 4032 can be judged described antenna branch work according to antenna branch path loss normal.For example, when antenna branch road path loss during less than predetermined threshold value, can think that this antenna branch is working properly, and can provide the normal state information of antenna branch, otherwise can think this antenna branch operation irregularity, and can provide the unusual state information of antenna branch.Memory 4033 can also be further used for storing the state information of described antenna branch.Processor can obtain the default transmitted power of above-mentioned detect-message from memory, also can directly obtain default transmitted power from detect-message, and prerequisite is to have carried its default transmitted power in the detect-message.
As shown in Figure 6, antenna manager 404 specifically can comprise:
Processor 4041: be used for generating detect-message, described detect-message is carried the antenna ID of antenna branch.Optionally, described detect-message can also be carried the default transmitted power of described detect-message.
Transmitter 4042: be used for above-mentioned detect-message is sent to detector by default transmitted power.
Memory 4043: be used for storing the antenna ID of above-mentioned antenna branch.
Power module 4044: be used to above-mentioned antenna manager power supply.
Above-mentioned antenna manager can be installed in antenna inside or antenna is outside.
It is above-mentioned antenna manager power supply that power module 4044 can adopt various ways, can be the power supply of antenna manager by acquisition unit separate service signal energy from the antenna feed cable of described antenna branch for example, or be antenna manager power supply by modes such as battery, solar energy, if above-mentioned antenna manager is installed in the antenna outside, can pass through at coil coupled antenna wireless traffic signal acquisition energy.
By using the detection system of the distributing antenna system that present embodiment provides, detector receives the detect-message that each antenna manager sends by default transmitted power, whether calculate antenna branch path loss according to detect-message in power and the default transmitted power of this detect-message of detector, it is normal to judge this antenna branch work according to path loss.This detection system has realized the monitoring of each antenna branch operating state of distributing antenna system, overcome the deficiency of standing wave detection technique, can detect each antenna branch separately, realized the comprehensive monitoring to distributing antenna system, testing result is accurate, and real-time is high.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, technical scheme of the present invention is to can embodying with the form of software product in whole or in part that background technology contributes, this computer software product can be stored in the storage medium, such as ROM/RAM, magnetic disc, CD etc., comprise some instructions usefulness so that a computer equipment can be personal computer, server, the perhaps network equipment etc. is carried out the described method of some part of each embodiment of the present invention or embodiment.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (26)
1. the detection system of a distributing antenna system is characterized in that, described detection system comprises a plurality of antenna managers and a detector, wherein:
Described antenna manager: be electrically connected with the antenna feed cable of described distributing antenna system, store the antenna ID of antenna branch, described antenna manager is for detection of the service signal power at described antenna branch antenna place, and to described detector transmission feedback message, carry antenna ID and the described antenna place service signal power of described antenna branch in the described feedback message;
Described detector: be electrically connected with the information source end of described distributing antenna system, be used for receiving described feedback message, utilize the described antenna place service signal power and the described service signal that wherein carry to calculate described antenna branch path loss at the power meter of described information source end, judge according to described antenna branch path loss whether described antenna branch work is normal.
2. the system as claimed in claim 1 is characterized in that, described detector judges according to described antenna branch path loss whether described antenna branch work normally is specially:
When described antenna branch path loss during less than predetermined threshold value, think that described antenna branch is working properly, otherwise think described antenna branch operation irregularity.
3. the system as claimed in claim 1 is characterized in that, described antenna manager sends described feedback message to described detector behind the random delay after detecting the service signal power at described antenna branch antenna place again.
4. such as the arbitrary described system of claims 1 to 3, it is characterized in that it is inner or outside that described antenna manager is installed in described antenna.
5. system as claimed in claim 4 is characterized in that, energy power supply or powered battery or the solar cell for supplying power of part wireless traffic signal obtained in the utilization of described antenna manager from described antenna branch feeder cable.
6. system as claimed in claim 5 is characterized in that, and is outside if described antenna manager is installed in described antenna, and obtaining energy by described antenna manager by the described antenna wireless service signal of coil coupling is described antenna manager power supply.
7. one kind is used for the detector that distributing antenna system detects, and it is characterized in that described detector comprises:
Receiver: be used for to receive feedback message, described feedback message carries the ID of antenna of antenna branch and the antenna place service signal power of described antenna branch; With
Processor: whether be used for utilizing described antenna place service signal power and described service signal to calculate described antenna branch path loss at the power meter of information source end, it is normal to judge described antenna branch work according to described antenna branch path loss.
8. detector as claimed in claim 7, its feature is being that described detector also comprises:
Memory: be used for storing described antenna branch work state information.
9. detector as claimed in claim 8 is characterized in that, whether described processor is judged described antenna branch work according to described antenna branch path loss and normally be specially:
When described antenna branch path loss during less than predetermined threshold value, think that described antenna branch is working properly, and provide the normal state information of described antenna branch, store described state information into described memory, otherwise think described antenna branch operation irregularity, and provide the unusual state information of described antenna branch, store described state information into described memory.
10. such as the arbitrary described detector of claim 7 to 9, it is characterized in that described detector is electrically connected with described distributing antenna system information source end, and be utilized as the Power supply of described information source end power supply.
11. one kind is used for the antenna manager that distributing antenna system detects, it is characterized in that described antenna manager comprises:
Processor: for detection of the service signal power at the antenna place of antenna branch, from memory, obtain the antenna ID of described antenna branch, and the generation feedback message, described feedback message carries the antenna ID of described antenna branch and the service signal power at described antenna place;
Transmitter: be used for the described feedback message that described processor generates is sent to detector;
Memory: be used for storing the antenna ID of described antenna branch;
Power module: be used to described antenna manager power supply.
12. antenna manager as claimed in claim 11 is characterized in that, it is inner or outside that described antenna manager is installed in the antenna of described antenna branch.
13. the detection system of a distributing antenna system is characterized in that, described detection system comprises a plurality of antenna managers and a detector, wherein:
Described antenna manager: be electrically connected with the antenna feed cable of described distributing antenna system, store the antenna ID of antenna branch, described antenna manager is used for sending detect-message by default transmitted power to described detector, carries the antenna ID of described antenna branch in the described detect-message;
Described detector: be electrically connected with the information source end of described distributing antenna system, be used for measuring described detect-message at the power of described detector, and from described detect-message, obtain the antenna ID of described antenna branch, utilize described detect-message to calculate described antenna branch path loss in power and the default transmitted power of described detect-message of described detector, judge according to described antenna branch path loss whether described antenna branch work is normal.
14. system as claimed in claim 13 is characterized in that, described detector judges according to described antenna branch path loss whether described antenna branch work normally is specially:
When described antenna branch path loss during less than predetermined threshold value, think that described antenna branch is working properly, otherwise think the antenna branch operation irregularity.
15. system as claimed in claim 13 is characterized in that, different described antenna managers send described detect-message at different time points.
16. system as claimed in claim 13 is characterized in that, described detector stores default transmitted power or the described antenna manager of described detect-message and notifies the described detect-message of described detector to preset transmitted power.
17., it is characterized in that it is inner or outside that described antenna manager is installed in the antenna of described antenna branch such as the arbitrary described system of claim 13 to 16.
18. system as claimed in claim 17 is characterized in that, energy power supply or powered battery or the solar cell for supplying power of part wireless traffic signal obtained in the utilization of described antenna manager from described antenna branch feeder cable.
19. system as claimed in claim 18 is characterized in that, and is outside if described antenna manager is installed in described antenna, it is described antenna manager power supply that described antenna manager can also obtain energy by the described antenna wireless service signal of coil coupling.
20. one kind is used for the detector that distributing antenna system detects, it is characterized in that described detector comprises:
Receiver: be used for receiving detect-message, described detect-message sends by default transmitted power, and described detect-message is carried the antenna ID of the antenna branch of described distributing antenna system; With
Processor: be used for measuring the described detect-message power that described detector receives, and the default transmitted power of utilizing described detect-message power and described detect-message calculates described antenna branch path loss, judges according to described antenna branch path loss whether described antenna branch work is normal.
21. detector as claimed in claim 20 is characterized in that, described detector also comprises:
Memory: the default transmitted power that is used for storing described detect-message.
22. detector as claimed in claim 21 is characterized in that, whether described processor is judged described antenna branch work according to described antenna branch path loss and normally is specially:
When described antenna branch path loss during less than predetermined threshold value, think that described antenna branch is working properly, and provide the normal state information of described antenna branch, on the contrary think described antenna branch operation irregularity, and provide the unusual state information of described antenna branch;
Described memory is further used for storing the state information of described antenna branch.
23., it is characterized in that described detector is electrically connected with described distributing antenna system information source end such as the arbitrary described detector of claim 20 to 22, be utilized as the Power supply of described information source end power supply.
24. one kind is used for the antenna manager that distributing antenna system detects, it is characterized in that described antenna manager comprises:
Processor: be used for generating detect-message, detect-message of living in is carried the antenna ID of described antenna branch;
Transmitter: be used for described detect-message is sent to detector by default transmitted power;
Memory: be used for storing the antenna ID of described antenna branch;
Power module: be used to described antenna manager power supply.
25. antenna manager as claimed in claim 24 is characterized in that, the described detect-message that described processor generates is also carried the default transmitted power of described detect-message.
26., it is characterized in that it is inner or outside that described antenna manager is installed in the antenna of described antenna branch such as claim 24 or 25 arbitrary described antenna managers.
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| PCT/CN2011/083487 WO2012167584A1 (en) | 2011-12-05 | 2011-12-05 | Detection system and device for distributed antenna system |
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| CN105764073A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Testing device and testing method |
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| CN108112021A (en) * | 2016-11-24 | 2018-06-01 | 大唐移动通信设备有限公司 | A kind of retransmission method and equipment of radio-frequency channel detection data |
| CN111372306A (en) * | 2020-02-25 | 2020-07-03 | 中国电信股份有限公司 | Method for determining signal power, related device and computer readable storage medium |
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| CN105764073A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Testing device and testing method |
| CN105321321A (en) * | 2015-11-03 | 2016-02-10 | 惠州市鸿业电力信息科技有限公司 | Method and system guaranteeing accuracy of data transmission between Beidou satellite antenna and equipment |
| CN105321321B (en) * | 2015-11-03 | 2019-05-17 | 惠州市鸿业电力信息科技有限公司 | Guarantee that data transmit accurate method and system between big-dipper satellite antenna and equipment |
| CN108112021A (en) * | 2016-11-24 | 2018-06-01 | 大唐移动通信设备有限公司 | A kind of retransmission method and equipment of radio-frequency channel detection data |
| CN107612634A (en) * | 2017-09-26 | 2018-01-19 | 深圳市盛路物联通讯技术有限公司 | A kind of antenna fault detection method and system |
| CN107612634B (en) * | 2017-09-26 | 2021-02-19 | 深圳市盛路物联通讯技术有限公司 | Antenna fault detection method and system |
| CN111372306A (en) * | 2020-02-25 | 2020-07-03 | 中国电信股份有限公司 | Method for determining signal power, related device and computer readable storage medium |
| CN111372306B (en) * | 2020-02-25 | 2020-12-25 | 中国电信股份有限公司 | Method for determining signal power, related device and computer readable storage medium |
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| WO2012167584A1 (en) | 2012-12-13 |
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