WO2012083668A1 - Système, dispositif et procédé de contrôle pour un système d'antenne réparti - Google Patents

Système, dispositif et procédé de contrôle pour un système d'antenne réparti Download PDF

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Publication number
WO2012083668A1
WO2012083668A1 PCT/CN2011/076468 CN2011076468W WO2012083668A1 WO 2012083668 A1 WO2012083668 A1 WO 2012083668A1 CN 2011076468 W CN2011076468 W CN 2011076468W WO 2012083668 A1 WO2012083668 A1 WO 2012083668A1
Authority
WO
WIPO (PCT)
Prior art keywords
response
information
monitoring signal
signal
identification information
Prior art date
Application number
PCT/CN2011/076468
Other languages
English (en)
Chinese (zh)
Inventor
沈俭
王继松
赵虎
王平晶
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180000847.4A priority Critical patent/CN102232310B/zh
Priority to PCT/CN2011/076468 priority patent/WO2012083668A1/fr
Priority to PCT/CN2012/074014 priority patent/WO2012149863A1/fr
Publication of WO2012083668A1 publication Critical patent/WO2012083668A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/18—Monitoring during normal operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas

Definitions

  • Embodiments of the present invention relate to the field of communications, and more particularly to monitoring systems, devices, and methods for distributed antenna systems. Background technique
  • the operator uses the method of standing wave detection and manual dialing for the detection room of the indoor coverage system.
  • standing wave detection method this scheme works well in the detection of single-channel antenna systems, but it is not suitable for distributed antenna systems with many branches.
  • the manual dialing method is adopted, the operation cost is high, the dialing frequency is low, and the dialing effect is difficult to ensure. Summary of the invention
  • the technical problem to be solved by the embodiment of the present invention is to overcome the deficiencies of the detection system of the distributed antenna system in the prior art, and to detect the working state of the antenna branch of the distributed antenna system efficiently, quickly and at low cost.
  • a monitoring system for a distributed antenna system includes:
  • An information device disposed at a source end of the distributed antenna system and electrically connected to the source end;
  • a response device disposed at an antenna end of the distributed antenna system and coupled to each antenna, the response device having identification information corresponding to an antenna branch associated with the response device,
  • the interrogation device is configured to send a monitoring signal to the response device by using the distributed antenna system, the response device is activated by receiving the monitoring signal, and sends the information to the information device through the distributed antenna system. Returning a response signal, the response signal carrying the identification information and status information of the monitoring signal received by the response device, the interrogation device receiving the response signal, and according to the identification information and the response The status information of the monitoring signal received by the device determines the state of the antenna branch corresponding to the identification information.
  • an interrogation device for distributed antenna system monitoring is provided, and the interrogation device is disposed at a source end of the distributed antenna system.
  • the interrogation device is configured to send a monitoring signal to a response device disposed at an antenna end of the distributed antenna system and coupled to the antenna end, where the response device is activated by receiving the monitoring signal, and the information is sent to the
  • the device returns a response signal, where the response signal carries identification information corresponding to the antenna branch associated with the response device and status information of the monitoring signal received by the response device, and the information device receives the response And determining a state of the antenna branch corresponding to the identification information according to the identification information and status information of the monitoring signal received by the response device.
  • a response device for distributed antenna system monitoring is provided.
  • the response device is coupled to an antenna end of the distributed antenna system, and is activated by receiving a monitoring signal transmitted by an information device. And returning a response signal to the information processing device, where the response signal carries identification information of an antenna branch associated with the response device and status information of the monitoring signal received by the response device, so that the information device Receiving the response signal, and determining a state of the antenna branch corresponding to the identification information according to the identification information and the received monitoring signal status information.
  • a method for monitoring a distributed antenna system includes:
  • a method for monitoring a distributed antenna system includes:
  • the response device receives the monitoring signal sent from the inquiry device
  • the response device returns a response signal to the interrogation device, wherein the response signal carries identification information of the antenna branch and status information of the monitoring signal received by the response device, so that the identification information and the received The status information of the monitoring signal is used to determine the status of the antenna branch corresponding to the identification information.
  • the remote detection problem of the working state of multiple antenna branches in the distributed antenna system can be solved, and the detection of multiple antenna branches can be realized quickly, efficiently, and at low cost, so that the user can remotely monitor the antenna system.
  • the state of each antenna branch can be Moreover, the monitoring system of the embodiment of the present invention can be used for a newly-built distributed antenna system ("DAS") system, and can also be used to modify an existing indoor coverage DAS system.
  • DAS distributed antenna system
  • FIG. 1 is a schematic structural diagram of a distributed antenna system including a monitoring system according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a monitoring method according to an embodiment of the present invention.
  • distributed antenna systems are passive devices other than signal sources, such as power dividers, combiners, couplers, RF cables, indoor antennas, and so on.
  • FIG. 1 is a schematic block diagram of a distributed antenna system monitored by an embodiment of the present invention.
  • distributed antenna system 100 includes a source 110; and an antenna 120 on each distributed antenna branch.
  • FIG. 1 is only an exemplary diagram of a distributed antenna system, including two antenna branches, and the number of antenna branches in an actual distributed antenna system can be selected as needed.
  • the distributed antenna system also includes other necessary functional components, such as the above-mentioned splitters, combiners, couplers, RF cables, and the like.
  • the distributed antenna system 100 further includes an interrogation device 130 disposed at a source end where the source 110 is located, and a response device 140 disposed at an antenna end where the antenna 120 of the distributed antenna branch is located.
  • the interrogation device is electrically connected to the source 110 and powered by a power source that supplies power to the source 110.
  • the monitoring signal can be transmitted via a feeder of the distributed antenna system, for example, an RF monitoring signal is transmitted for detecting the operating state of the antenna 120.
  • the monitoring signal can be transmitted via a distributed antenna system and to the antenna 120.
  • the response device 140 is coupled to the antenna 120 for receiving a monitoring signal transmitted by the information device, and the connection refers to a connection manner between the response device 140 and the antenna 120 for signal transmission and/or energy transmission. .
  • the responsive device 140 is preferably a passive device that operates with the energy of the received monitoring signal.
  • the response device 140 may be mounted on a feeder inside each antenna 120, or may be mounted on an external interface of each antenna 120, as the case may be.
  • the response device 140 has identification information corresponding to the antenna branch associated with the response device 140.
  • the response device 140 is activated to receive the monitoring signal, and returns a response signal to the interrogation device 130.
  • the response signal carries the identification information and status information of the monitoring signal received by the response device 140, and the inquiring device 130 Receiving a response signal, and determining a state of an antenna branch of the antenna 120 corresponding to the identification information according to the identification information and the received monitoring signal state information.
  • the inquiry device 130 transmits a monitoring signal to all of the response devices 140, and receives a response signal returned by each response device 140, and according to the identification information contained in the response signal and the status of the monitoring signal received by the response device.
  • Information such as received signal strength data, can determine the operational state of the antenna branch in which the corresponding antenna 120 is located. For example, when the strength attenuation of the monitoring signal received by the response device 140 is less than a specific value, the antenna branch where the antenna 120 coupled to the response device 140 is located may be considered to be normal and the state information of the antenna branch is normal, and vice versa.
  • the antenna branch where the antenna 120 coupled to the response device 140 is located is abnormally operated and gives state information of the antenna branch abnormality.
  • the monitoring signal sent by the inquiry device 130 to the response device 140 may include encoding information
  • the response device 140 is activated by receiving the monitoring signal, and when determining that the encoded information matches the identification information of the response device 140, The inquiry device 130 returns a response signal.
  • the response device 140 in order to prevent information collision or information congestion caused by the plurality of response devices 140 returning the response signal to the information device 130 at the same time, the response device 140 performs random delay after receiving the monitoring signal sent by the information device 130. The response signal is then returned to the interrogation device 130.
  • the inquiring device 130 may first send a first monitoring signal to the response device 140, the response device 140 is activated by receiving the first monitoring signal, and is in a ready state, and then the inquiring device 130 transmits the response device 140.
  • Sending a second monitoring signal the second monitoring signal carries the encoded information, and the response device 140 receives the second monitoring signal, and returns a response signal to the interrogation device 130 when determining that the encoded information matches the identification information.
  • the response device 140 is activated by the first monitoring signal, and the corresponding response device 140 is used to return the response signal by using the second monitoring signal, so that the correct response signal can be more effectively ensured.
  • the response device 140 may be, for example, a radio frequency identification (Radio).
  • Radio radio frequency identification
  • Frequency Identification the tube is called “RFID" chip.
  • the monitoring method 200 of the distributed antenna system includes:
  • the inquiry device 130 sends a monitoring signal to the response device 140, wherein the response device 140 is coupled to the antenna end of the distributed antenna system;
  • the inquiry device 130 receives a response signal returned by the response device 140, wherein the response signal carries identification information of an antenna branch associated with the response device 140 and a status of the monitoring signal received by the response device Information,
  • the inquiry device 130 determines a state of the antenna branch corresponding to the identification information according to the identification information and the received monitoring signal status information.
  • the monitoring system 100 can be used to implement the supervision of the embodiment of the present invention.
  • Method 200 The technical features in the monitoring system 100 can therefore also be adapted to implement the monitoring method 200, either alone or in combination.
  • the monitoring signal sent by the inquiring device 130 to the response device 140 may include encoding information, and after receiving the monitoring signal, the response device 140 compares the identification information of the self, and determines the encoding information. The response signal is returned to the interrogation device 130 when it matches the identification information.
  • the sending the monitoring signal to the responding device 140 may include: the inquiring device 130 sends a first monitoring signal to the responding device 140, and the responding device 140 receives the first monitoring signal. And being activated, and in a ready state, then sending a second monitoring signal to the response device 140, the second monitoring signal carrying the encoding information, the response device 140 receiving the second monitoring signal, and determining When the encoded information matches the identification information, the response signal is returned to the interrogation device 130.
  • the status information of the received monitoring signal contained in the response signal returned by the response device 140 includes signal strength information.
  • the inquiry device 130 determines whether the antenna branch where the response device 140 is located is normal based on the signal strength information. For example, when the signal strength attenuation is less than a specific value, it is considered that the antenna branch where the response device 140 is operating is normal, and vice versa, the antenna branch where the response device 140 is located is abnormal.
  • the remote detection problem of the working state of multiple antenna branches in the distributed antenna system can be solved, and the detection of multiple antenna branches can be realized quickly, efficiently, and at low cost, so that the user can remotely monitor the antenna system.
  • the state of each antenna branch can be Moreover, the monitoring system of the embodiment of the present invention can be used for a newly built digital antenna system (Digital Antenna System, "DAS") system, and can also be used to retrofit an existing indoor coverage DAS system.
  • DAS Digital Antenna System

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

La présente invention concerne, dans un mode de réalisation, un système, un dispositif et un procédé de contrôle destinés à un système d'antenne réparti. Le système de contrôle comprend un dispositif demandeur, disposé à une extrémité source du système d'antenne réparti et relié électriquement à l'extrémité source ; et des dispositifs de réponse, disposés aux extrémités de l'antenne du système d'antenne réparti et couplés à chaque antenne ; et les dispositifs de réponse ont des informations d'identification correspondant à une branche d'antenne associée aux dispositifs de réponse, le dispositif demandeur étant utilisé pour transmettre un signal de contrôle aux dispositifs de réponse par l'intermédiaire du système d'antenne réparti et les dispositifs de réponse reçoivent le signal de contrôle puis sont activés et renvoient un signal de réponse au dispositif demandeur par l'intermédiaire du système réparti, le signal de réponse transportant des informations d'identification et de statut sur le signal de contrôle reçu par les dispositifs de réponse puis le dispositif demandeur reçoit le signal de réponse et détermine, selon les informations d'identification et de statut sur le signal de contrôle reçu par les dispositifs de réponse, le statut de la branche d'antenne correspondant aux informations d'identification. En utilisant le mode de réalisation de l'invention, le problème difficile dans la détection à distance de l'état de fonctionnement de branches d'antennes multiples d'un système d'antenne réparti peut être résolu, une détection pour des branches d'antennes multiples peut être obtenue d'une manière rapide, de grande efficacité et à faible coût et ainsi les utilisateurs peuvent contrôler à distance le statut de chaque branche d'antenne dans le système d'antenne.
PCT/CN2011/076468 2011-06-28 2011-06-28 Système, dispositif et procédé de contrôle pour un système d'antenne réparti WO2012083668A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180000847.4A CN102232310B (zh) 2011-06-28 2011-06-28 分布式天线系统的监测系统、设备和方法
PCT/CN2011/076468 WO2012083668A1 (fr) 2011-06-28 2011-06-28 Système, dispositif et procédé de contrôle pour un système d'antenne réparti
PCT/CN2012/074014 WO2012149863A1 (fr) 2011-06-28 2012-04-13 Système, dispositif et procédé de surveillance pour système d'antenne réparti

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Application Number Priority Date Filing Date Title
PCT/CN2011/076468 WO2012083668A1 (fr) 2011-06-28 2011-06-28 Système, dispositif et procédé de contrôle pour un système d'antenne réparti

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PCT/CN2012/074014 WO2012149863A1 (fr) 2011-06-28 2012-04-13 Système, dispositif et procédé de surveillance pour système d'antenne réparti

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Cited By (5)

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EP2765721A1 (fr) * 2013-02-12 2014-08-13 Koninklijke KPN N.V. Système de surveillance pour système d'antenne distribué
WO2016082886A1 (fr) * 2014-11-28 2016-06-02 Telefonaktiebolaget Lm Ericsson (Publ) Ensemble radio, appareil radio, ensemble antenne et procédés réalisés dans ceux-ci
WO2017009477A1 (fr) * 2015-07-16 2017-01-19 Andrew Wireless Systems Gmbh Système de caractérisation d'un réseau d'antennes passives et d'éléments dans un système d'antennes réparties
WO2017009479A1 (fr) * 2015-07-16 2017-01-19 Andrew Wireless Systems Gmbh Système pour déterminer la disposition et les positions absolue et relative d'éléments dans un système d'antenne distribué et pour l'utilisation des éléments pour une mesure
CN106911402A (zh) * 2017-02-28 2017-06-30 腾讯科技（深圳）有限公司 一种信号检测方法及相关装置

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WO2012083668A1 (fr) * 2011-06-28 2012-06-28 华为技术有限公司 Système, dispositif et procédé de contrôle pour un système d'antenne réparti
US9590761B2 (en) 2011-09-23 2017-03-07 Commscope Technologies Llc Detective passive RF components using radio frequency identification tags
CN102907129A (zh) * 2011-12-05 2013-01-30 华为技术有限公司 分布式天线系统的检测系统和装置
EP3611893B1 (fr) * 2012-08-31 2021-03-24 CommScope Technologies LLC Détection de composants rf passifs utilisant des étiquettes d'identification par radiofréquence
CN103200602A (zh) * 2013-03-29 2013-07-10 佛山市粤海信通讯有限公司 移动通信室内分布系统设备远程监控方法
US9900114B2 (en) 2014-08-21 2018-02-20 Poynting Antennas (Pty) Limited Monitoring system for a distributed antenna system
CN105656573A (zh) * 2015-12-24 2016-06-08 三维通信股份有限公司 一种天馈线检测系统及方法
CN106912069B (zh) * 2017-03-24 2019-12-10 京信通信系统（中国）有限公司 分布式天线系统远端机及其上行信号链路检测方法、装置
US10291336B1 (en) 2018-07-17 2019-05-14 Leaf Communication Consulting Inc. Antenna monitoring for wireless and telecommunications for private, public, and first reponders
US10979155B2 (en) 2018-07-17 2021-04-13 Jd Design Enterprises Llc Antenna and environmental conditions monitoring for wireless and telecommunications for private, public, and first responders
CN111224722B (zh) * 2018-11-27 2021-10-26 华为技术有限公司 天线头端的检测方法及装置

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EP2765721A1 (fr) * 2013-02-12 2014-08-13 Koninklijke KPN N.V. Système de surveillance pour système d'antenne distribué
WO2016082886A1 (fr) * 2014-11-28 2016-06-02 Telefonaktiebolaget Lm Ericsson (Publ) Ensemble radio, appareil radio, ensemble antenne et procédés réalisés dans ceux-ci
US10243610B2 (en) 2014-11-28 2019-03-26 Telefonaktiebolaget Lm Ericsson (Publ) Radio arrangement, radio apparatus, antenna arrangement and methods performed therein
WO2017009477A1 (fr) * 2015-07-16 2017-01-19 Andrew Wireless Systems Gmbh Système de caractérisation d'un réseau d'antennes passives et d'éléments dans un système d'antennes réparties
WO2017009479A1 (fr) * 2015-07-16 2017-01-19 Andrew Wireless Systems Gmbh Système pour déterminer la disposition et les positions absolue et relative d'éléments dans un système d'antenne distribué et pour l'utilisation des éléments pour une mesure
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EP3572981A1 (fr) * 2015-07-16 2019-11-27 Andrew Wireless Systems GmbH Système de détermination du format et des positions absolue et relative d'éléments dans un système d'antenne distribué et d'utilisation des éléments pour des mesures
US10523346B2 (en) 2015-07-16 2019-12-31 Andrew Wireless Systems Gmbh System for determining the layout and absolute and relative positions of elements in a distributed antenna system and for use of those elements for measurement
CN106911402A (zh) * 2017-02-28 2017-06-30 腾讯科技（深圳）有限公司 一种信号检测方法及相关装置
CN106911402B (zh) * 2017-02-28 2021-06-22 腾讯科技（深圳）有限公司 一种信号检测方法及相关装置

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Publication number Publication date
CN102232310B (zh) 2014-12-03
WO2012149863A1 (fr) 2012-11-08
CN102232310A (zh) 2011-11-02

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