CN102905282A - Method and device for detecting indoor distribution antenna feeder system - Google Patents
Method and device for detecting indoor distribution antenna feeder system Download PDFInfo
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- CN102905282A CN102905282A CN2011102152471A CN201110215247A CN102905282A CN 102905282 A CN102905282 A CN 102905282A CN 2011102152471 A CN2011102152471 A CN 2011102152471A CN 201110215247 A CN201110215247 A CN 201110215247A CN 102905282 A CN102905282 A CN 102905282A
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Abstract
The invention relates to a method and a device for detecting an indoor distribution antenna feeder system. The method includes sending signals with fixed strength from a source node to an end node of an antenna feeder system; receiving the signals by the end node; comparing strength difference of the transmitted signals and the received signals and inherent link loss of the antenna feeder system to set threshold values, and determining that the antenna feeder system is abnormal if the strength difference and the inherent link loss are higher than the set threshold values. The device designed according to the method mainly comprises a main control module and at least one detection module, wherein the main control module sends the signals with the fixed strength to the detection modules through a link of the antenna feeder system, and sends an alarm signal according to the link loss information returned from the detection modules, and the detection modules receive the signals sent from the main control module through the link of the antenna feeder system, acquire the link loss from the source node to the end node according to the strength of the signals, and then send the link loss information to the main control module. By the method and the device, the indoor distribution antenna feeder system can be monitored in an unattended manner on line in real time.
Description
Technical field
The invention belongs to the indoor covering system technical field, but relate in particular to a kind of method of real time on-line monitoring indoor distribution antenna-feedback system, and realize the device that the method adopts.
Background technology
Flourish along with the communication technology, indoor distributed system becomes an indispensable part in the mobile radio communication as necessary replenishing in the mobile radio communication.Indoor distribution is responsible for transmission and the distribution of signal by antenna-feedback system, in case antenna-feedback system goes wrong, will directly affect the covering of signal.So, how to monitor the running status of antenna-feedback system, become one and be badly in need of the new problem that solves.
In the prior art, still be not specifically designed to the device that real-time online detects the indoor distribution antenna-feedback system.
To detect antenna-feedback system, can only send the special messenger to carry special-purpose instrument and reach the spot, the indoor distribution antenna-feedback system be taken apart piecemeal detected.This method expends a large amount of manpower and materials on the one hand, and does not accomplish Real-Time Monitoring; Must close first indoor covering system on the other hand in the process that detects, the overlay area will become signal blind zone, does not accomplish online detection.So can only be used for ad hoc inspection and repair, can't accomplish real time on-line monitoring.
Summary of the invention
But technical problem to be solved by this invention provides the method and apparatus of the indoor covering antenna-feedback system of a kind of Real-Time Monitoring, can be in the normal operation of indoor distribution antenna-feedback system, the running status of this system of Real-Time Monitoring, when indoor covering antenna-feedback system abnormal, can real-time monitor abnormal information, and active alarm.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of method that detects the indoor distribution antenna-feedback system comprises:
Send the signal of constant intensity from the source node terminad node of antenna-feedback system;
Endpoint node receives described signal;
The difference of the signal strength signal intensity of passing through to launch and the signal strength signal intensity that receives compares with the path loss of the source node of predicting to endpoint node, if described difference does not conform to path loss and described difference and path loss differ between the two and surpasses predetermined threshold value, then be judged as antenna-feedback system and occur unusual; Judge perhaps whether the signal strength signal intensity that endpoint node receives exceeds default threshold value, if exceeded default threshold value, then be judged as antenna-feedback system and occur unusually sending alarm signal.
A kind of indoor distribution antenna-feedback system checkout gear comprises main control module and at least 1 detection module, and described main control module is arranged at the source node place of described antenna-feedback system, and described detection module is arranged at the endpoint node place of described antenna-feedback system; Described main control module is used for sending by the described detection module of the chain road direction of described antenna-feedback system the signal of constant intensity, and receive detection module and send the link loss information of returning, with link loss information and default threshold value relatively, if surpass threshold value then send alarm signal; Described detection module is used for receiving the signal that described main control module sends by the link of described antenna-feedback system, and detect the intensity of the signal receive, and obtain link load from described source node to endpoint node according to described signal strength signal intensity, and link loss information is sent it back described main control module.
The beneficial effect of the method for above-mentioned detection indoor distribution antenna-feedback system and indoor distribution antenna-feedback system checkout gear is: to the detection of antenna-feedback system, no longer needing to send the special messenger to carry special-purpose instrument reaches the spot, the indoor distribution antenna-feedback system taken apart piecemeal detect, save manpower and materials, and can accomplish Real-Time Monitoring; Needn't close indoor covering system on the other hand in the process that detects, the overlay area can not become signal blind zone, can accomplish online detection, and facility is installed, and need not change original indoor distribution antenna-feedback system, can carry out real time and on line monitoring to it.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described main control module comprises the first radio-frequency (RF) receiving and transmission module, the first micro-control processing unit and communication module; Described the first micro-control processing unit is connected with communication module with the first rf chip respectively; Described the first radio-frequency (RF) receiving and transmission module is used for sending to described detection module with fixed-size transmitting power the signal of constant intensity, and receives detection module and send the link loss information of returning, and link loss information is transmitted to the first micro-control processing unit; Described the first micro-control processing unit is used for the link loss information that will receive and default threshold value relatively, if surpass threshold value then send alarm signal by communication module; Described communication module is used for sending alarm signal.
Further, described detection module comprises the second micro-control processing unit, the second radio-frequency (RF) receiving and transmission module and the radio-frequency receiving-transmitting antenna that connects in turn; Described the second radio-frequency (RF) receiving and transmission module is used for receiving the signal of described main control module transmission from the link of described antenna-feedback system by the radio-frequency receiving-transmitting antenna, and is transmitted to described the second micro-control processing unit; Described the second radio-frequency (RF) receiving and transmission module also is used for and will sends it back described main control module by the radio-frequency receiving-transmitting antenna from the link loss information that the second micro-control processing unit receives; Described the second micro-control processing unit, for detection of receiving the signal strength signal intensity that main control module sends from the second radio-frequency (RF) receiving and transmission module, and obtain link load from described source node to endpoint node according to described signal strength signal intensity, and link loss information is sent it back the second radio-frequency (RF) receiving and transmission module.
Further, described main control module is connected with the source node of described antenna-feedback system by mixer.
Further, communication carrier frequency between described main control module and the detection module is ISM (Industrial Scientific Medical, industry, science, medical science, main open give industry, science, three principal organ's uses of medical science, this frequency range is to define out according to US Federal Communication Committee, not the restriction of use authority) frequency range.
Description of drawings
The real-time online that Fig. 1 provides for the embodiment of the invention detects the procedure schematic diagram of indoor distribution antenna-feedback system;
The real-time online indoor distribution antenna-feedback system structure of the detecting device schematic diagram that Fig. 2 provides for the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
For operating state that can real time on-line monitoring indoor distribution antenna-feedback system, the present invention is based on after the indoor distribution antenna-feedback system installs, path loss from source node to each endpoint node is feature fixing and precognition, provides following method: the signal that sends constant intensity from the source node terminad node of antenna-feedback system; Endpoint node receives described signal; The difference of the signal strength signal intensity of passing through to launch and the signal strength signal intensity that receives compares with the path loss of the source node of predicting to endpoint node, if described difference does not conform to path loss and described difference and path loss differ between the two and surpasses predetermined threshold value, then be judged as antenna-feedback system and occur unusual; Judge directly perhaps whether the signal strength signal intensity that endpoint node receives exceeds default threshold value, if exceeded default threshold value, then be judged as antenna-feedback system and occur unusually sending alarm signal.
Said method is realized by following means:
By the source node at the indoor distribution antenna-feedback system source node main control unit is set, and in each endpoint node (cover antenna), respectively arrange one with monolithic low cost low-power consumption rf chip (namely, radio-frequency (RF) receiving and transmission module) an endpoint node detection module, communicated with each endpoint node detection module respectively by the indoor distribution antenna-feedback system by the source node main control unit, the communication carrier frequency is the ISM band of exempting to apply for.The source node main control unit is launched with fixed-size transmitting power, and the signal strength signal intensity that each endpoint node detection module receives by detection can draw the separately link load of link (LinkLoss).
When the indoor distribution antenna-feedback system normally moved, source node was to predict and is changeless to the link load (LinkLoss) of each endpoint node.If a certain section of indoor distribution antenna-feedback system is because of parts damages or occurred unusually by damage, corresponding link load (LinkLoss) also can change.When link load (LinkLoss) changing value surpasses the threshold value (Threshold) of setting, can judge that this link occurs unusual, and abnormal information is complained to network management center.
According to said method, the invention provides the device of the indoor covering antenna-feedback system of a kind of real time on-line monitoring, mainly comprise:
The source node main control unit: integrated monolithic low cost low-power consumption rf chip (namely, radio-frequency (RF) receiving and transmission module), be installed in the source node place of indoor distribution antenna-feedback system by mixer, be responsible for by monolithic low cost low-power consumption rf chip with each endpoint node detection module of fixed-size transmitting power periodic polling, and receive the information that each endpoint node detection module sends the link load of returning, with link load (LinkLoss) and threshold value (Threshold) contrast of setting, if surpass then identify alarm signal.The source node main control unit is communicated by letter with network management center by wireless Modem, can be in real time and network management center carry out data interaction, if alarm signal is arranged then initiatively to network management center's alarm.
The endpoint node detection module: module integration monolithic low cost low-power consumption rf chip, be installed in the endpoint node place of indoor distribution antenna-feedback system, i.e. each cover antenna place.Each endpoint node detection module is assigned a unique address, the responsible signal magnitude that transmits by monolithic low cost low-power consumption rf chip detection resources node main control unit, and calculate the link load (LinkLoss) of this node and source node, and link load (LinkLoss) is replied to the source node main control unit.
Below specifically said method and device are further set forth.
As shown in Figure 1, the real-time online that provides for the embodiment of the invention detects the procedure schematic diagram of indoor distribution antenna-feedback system, and described real-time online detects the method for indoor distribution antenna-feedback system can be as described below.
Embodiment of the invention employing group is from networking mode, each endpoint node has a fixing subaddressing code, successively each endpoint node detection module is initiated poll by the source node main control unit, each endpoint node detection module is received the polling message identical with the address code of self, then makes corresponding action and answer.
The embodiment of the invention adopts polling mechanism, concrete steps: step S101, and when the polling mechanism timer overflowed, the source node main control unit passed through monolithic low cost low-power consumption rf chip with fixed-size transmitting power poll endpoint node detection module 1;
Step S102: endpoint node detection module 1 receives the signal that the source node main control unit launches, signal strength signal intensity is detected, because transmitting power is fixed, so can calculate the link load (LinkLoss-1) of this link, and link loss value is replied to the source node main control unit;
Step S103: the source node main control unit is received the signal that 1 answer of endpoint node detection module is come, obtain the link load (LinkLoss-1) of this link, compare with predefined threshold value (Threshold-1), if greater than threshold value, then put this chain circuit alarming sign (Alarm-1);
Step S104: source node main control unit repeating step S101, S102, S103, the remaining endpoint node detection module of poll n obtains corresponding link load (LinkLoss-n) and alarm identifier (Alarm-n) successively;
Step S105: if the alarm of existence is arranged, the source node main control unit is initiatively complained to warning information to network management center.The link load (LinkLoss-n) of each bar link of this poll acquisition is preserved in if there is no alarm, source node main control unit, in order to network management center's inquiry, has realized thus the intelligent monitoring to the indoor distribution antenna-feedback system.
The real-time online indoor distribution antenna-feedback system structure of the detecting device schematic diagram that Fig. 2 provides for the embodiment of the invention, this apparatus structure can be as described below.
The embodiment of the invention adopts a master many from mode, is comprised of a source node main control unit and several endpoint node end detection modules, and a source node main control unit maximum can be supported infinite a plurality of endpoint node detection module in theory.The source node main control module sends the signal of constant intensity by the chain road direction detection module of antenna-feedback system, and receive the endpoint node detection module and send the link loss information of returning, with link loss information and default threshold value relatively, if surpass threshold value then send alarm signal; The endpoint node detection module is by the signal of the link reception sources node main control module transmission of antenna-feedback system, and detect this signal strength signal intensity, and obtain link load from the source node to the endpoint node according to this signal strength signal intensity, and link loss information is sent it back the source node main control module.
The source node main control unit mainly is comprised of monolithic low cost low-power consumption rf chip, the first micro-control processing unit, Modem communication module, by mains-supplied.Wherein rf chip sends the signal of constant intensity with fixed-size transmitting power terminad node detection module, and receives the endpoint node detection module and send the link loss information of returning, and link loss information is transmitted to the first micro-control processing unit; The first micro-control processing unit with the link loss information received and default threshold value relatively, if surpass threshold value then send alarm signal by the Modem communication module to network management center; The Modem communication module is used for sending alarm signal.Can communicate by wireless mode between source node main control module and the network management center.
The endpoint node detection module mainly is comprised of monolithic low cost low-power consumption rf chip, the second micro-control processing unit, radio-frequency receiving-transmitting antenna.The employing super low-power consumption arranges, and by dry cell power supply, inside carries antenna.Rf chip passes through the radio-frequency receiving-transmitting antenna from the signal of the link reception sources node main control module transmission of antenna-feedback system, and is transmitted to the second micro-control processing unit; In addition, the second rf chip also is used for and will sends it back the source node main control module by the radio-frequency receiving-transmitting antenna from the link loss information that the second micro-control processing unit receives; The second micro-control processing unit detects the signal strength signal intensity that sends from the second rf chip reception sources node main control module, and obtain link load from the source node to the endpoint node according to this signal strength signal intensity, and link loss information is sent it back the second rf chip.
During the project installation networking, place a source node main control unit at the root node of indoor distribution antenna-feedback system, place an endpoint node detection module at each endpoint node (being cover antenna) of indoor distribution antenna-feedback system.Each endpoint node is between the root node being a link, the corresponding link of each endpoint node detection module.
As shown in Figure 2, the device that only needing to increase a mixer can provide the embodiment of the invention is included the indoor distribution antenna-feedback system in, need not antenna-feedback system is done other changes, and is all very convenient to project installation and maintenance.Realized thus the intelligent monitoring to the indoor distribution antenna-feedback system.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a method that detects the indoor distribution antenna-feedback system is characterized in that, comprising:
Send the signal of constant intensity from the source node terminad node of antenna-feedback system;
Endpoint node receives described signal;
The difference of the signal strength signal intensity of passing through to launch and the signal strength signal intensity that receives compares with the path loss of the source node of predicting to endpoint node, if described difference does not conform to path loss and described difference and path loss differ between the two and surpasses predetermined threshold value, then be judged as antenna-feedback system and occur unusual.
2. indoor distribution antenna-feedback system checkout gear is characterized in that:
Comprise main control module and at least 1 detection module, described main control module is arranged at the source node place of described antenna-feedback system, and described detection module is arranged at the endpoint node place of described antenna-feedback system;
Described main control module is used for sending by the described detection module of the chain road direction of described antenna-feedback system the signal of constant intensity, and receive detection module and send the link loss information of returning, with link loss information and default threshold value relatively, if surpass threshold value then send alarm signal;
Described detection module is used for receiving the signal that described main control module sends by the link of described antenna-feedback system, and detect the intensity of the signal receive, and obtain link load from described source node to endpoint node according to described signal strength signal intensity, and link loss information is sent it back described main control module.
3. indoor distribution antenna-feedback system checkout gear according to claim 2 is characterized in that:
Described main control module comprises the first radio-frequency (RF) receiving and transmission module, the first micro-control processing unit and communication module; Described the first micro-control processing unit is connected with communication module with the first rf chip respectively;
Described the first radio-frequency (RF) receiving and transmission module is used for sending to described detection module with fixed-size transmitting power the signal of constant intensity, and receives detection module and send the link loss information of returning, and link loss information is transmitted to the first micro-control processing unit;
Described the first micro-control processing unit is used for the link loss information that will receive and default threshold value relatively, if surpass threshold value then send alarm signal by communication module;
Described communication module is used for sending alarm signal.
4. indoor distribution antenna-feedback system checkout gear according to claim 2 is characterized in that:
Described detection module comprises the second micro-control processing unit, the second radio-frequency (RF) receiving and transmission module and the radio-frequency receiving-transmitting antenna that connects in turn;
Described the second radio-frequency (RF) receiving and transmission module is used for receiving the signal of described main control module transmission from the link of described antenna-feedback system by the radio-frequency receiving-transmitting antenna, and is transmitted to described the second micro-control processing unit; Described the second rf chip also is used for and will sends it back described main control module by the radio-frequency receiving-transmitting antenna from the link loss information that the second micro-control processing unit receives;
Described the second micro-control processing unit, for detection of receiving the signal strength signal intensity that main control module sends from the second radio-frequency (RF) receiving and transmission module, and obtain link load from described source node to endpoint node according to described signal strength signal intensity, and link loss information is sent it back the second radio-frequency (RF) receiving and transmission module.
5. indoor distribution antenna-feedback system checkout gear according to claim 2, it is characterized in that: described main control module is connected with the source node of described antenna-feedback system by mixer.
6. according to claim 2 to 5 each described indoor distribution antenna-feedback system checkout gears, it is characterized in that: the communication carrier frequency between described main control module and the detection module is ISM band.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936214A (en) * | 2015-06-11 | 2015-09-23 | 中国联合网络通信集团有限公司 | Method and device for detecting antenna feed coverage variation |
| CN108152732A (en) * | 2018-02-06 | 2018-06-12 | 扬州海科电子科技有限公司 | A kind of radio-frequency relay on-line measuring device and method |
| CN108289304A (en) * | 2017-06-01 | 2018-07-17 | 中国移动通信有限公司研究院 | Information processing method, intelligent gateway and storage medium |
| CN110149654A (en) * | 2019-05-10 | 2019-08-20 | 中国联合网络通信集团有限公司 | A kind of base station antenna feeder system failure determination method and device |
| CN110278043A (en) * | 2019-06-14 | 2019-09-24 | 深圳市觅拓物联信息技术有限公司 | A kind of method, gateway and storage medium monitoring link load by Bluetooth beacon |
| CN110611932A (en) * | 2018-06-15 | 2019-12-24 | 中国移动通信有限公司研究院 | Link loss mismatch degree detection method and system and computer storage medium |
| CN110662242A (en) * | 2018-06-29 | 2020-01-07 | 中兴通讯股份有限公司 | Antenna feeder system detection method, network management equipment and computer readable storage medium |
| CN112423326A (en) * | 2020-10-16 | 2021-02-26 | 广东盛路通信科技股份有限公司 | Management method and device of network system based on Bluetooth communication and 5G network communication |
| CN114302445A (en) * | 2021-12-16 | 2022-04-08 | 中国人民解放军战略支援部队信息工程大学 | Wireless signal receiving and transmitting method and system based on polling networking working mode |
| CN112423326B (en) * | 2020-10-16 | 2024-06-21 | 广东盛路通信科技股份有限公司 | Network system management method and device based on Bluetooth communication and 5G network communication |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008131688A1 (en) * | 2007-04-28 | 2008-11-06 | Huawei Technologies Co., Ltd. | A feeding and measuring device for radar system |
| CN102014415A (en) * | 2010-12-01 | 2011-04-13 | 中兴通讯股份有限公司 | Method for detecting base station feed system on line, base station system and antenna suite |
-
2011
- 2011-07-29 CN CN201110215247.1A patent/CN102905282B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008131688A1 (en) * | 2007-04-28 | 2008-11-06 | Huawei Technologies Co., Ltd. | A feeding and measuring device for radar system |
| CN102014415A (en) * | 2010-12-01 | 2011-04-13 | 中兴通讯股份有限公司 | Method for detecting base station feed system on line, base station system and antenna suite |
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| CN104936214B (en) * | 2015-06-11 | 2019-03-15 | 中国联合网络通信集团有限公司 | Detect the method and device of antenna feeder covering variation |
| CN104936214A (en) * | 2015-06-11 | 2015-09-23 | 中国联合网络通信集团有限公司 | Method and device for detecting antenna feed coverage variation |
| CN108289304A (en) * | 2017-06-01 | 2018-07-17 | 中国移动通信有限公司研究院 | Information processing method, intelligent gateway and storage medium |
| CN108152732A (en) * | 2018-02-06 | 2018-06-12 | 扬州海科电子科技有限公司 | A kind of radio-frequency relay on-line measuring device and method |
| CN108152732B (en) * | 2018-02-06 | 2024-04-23 | 扬州海科电子科技有限公司 | Online detection device and method for radio frequency relay |
| CN110611932A (en) * | 2018-06-15 | 2019-12-24 | 中国移动通信有限公司研究院 | Link loss mismatch degree detection method and system and computer storage medium |
| CN110611932B (en) * | 2018-06-15 | 2023-05-05 | 中国移动通信有限公司研究院 | Link loss mismatch degree detection method, system and computer storage medium |
| CN110662242B (en) * | 2018-06-29 | 2022-09-13 | 中兴通讯股份有限公司 | Antenna feeder system detection method, network management equipment and computer readable storage medium |
| CN110662242A (en) * | 2018-06-29 | 2020-01-07 | 中兴通讯股份有限公司 | Antenna feeder system detection method, network management equipment and computer readable storage medium |
| CN110149654A (en) * | 2019-05-10 | 2019-08-20 | 中国联合网络通信集团有限公司 | A kind of base station antenna feeder system failure determination method and device |
| CN110149654B (en) * | 2019-05-10 | 2022-09-16 | 中国联合网络通信集团有限公司 | Method and device for determining faults of base station antenna feeder system |
| CN110278043A (en) * | 2019-06-14 | 2019-09-24 | 深圳市觅拓物联信息技术有限公司 | A kind of method, gateway and storage medium monitoring link load by Bluetooth beacon |
| CN112423326A (en) * | 2020-10-16 | 2021-02-26 | 广东盛路通信科技股份有限公司 | Management method and device of network system based on Bluetooth communication and 5G network communication |
| CN112423326B (en) * | 2020-10-16 | 2024-06-21 | 广东盛路通信科技股份有限公司 | Network system management method and device based on Bluetooth communication and 5G network communication |
| CN114302445A (en) * | 2021-12-16 | 2022-04-08 | 中国人民解放军战略支援部队信息工程大学 | Wireless signal receiving and transmitting method and system based on polling networking working mode |
| CN114302445B (en) * | 2021-12-16 | 2023-08-29 | 中国人民解放军战略支援部队信息工程大学 | Wireless signal receiving and transmitting method and system based on polling networking working mode |
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