[go: up one dir, main page]

WO2016082566A1 - Appareil et procédé d'autorégénération de système d'antenne active (aas) - Google Patents

Appareil et procédé d'autorégénération de système d'antenne active (aas) Download PDF

Info

Publication number
WO2016082566A1
WO2016082566A1 PCT/CN2015/084519 CN2015084519W WO2016082566A1 WO 2016082566 A1 WO2016082566 A1 WO 2016082566A1 CN 2015084519 W CN2015084519 W CN 2015084519W WO 2016082566 A1 WO2016082566 A1 WO 2016082566A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
transceiver channel
transceiver
self
healing
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2015/084519
Other languages
English (en)
Chinese (zh)
Inventor
屈斌
雷龙刚
王三虎
赵勇士
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Publication of WO2016082566A1 publication Critical patent/WO2016082566A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • This document relates to, but is not limited to, the field of AAS self-healing technology, and in particular, but not limited to, an active antenna system AAS self-healing method and apparatus.
  • AAS is an active antenna system that integrates a transceiver and an antenna into a single hardware unit that implements beamforming using multiple channels.
  • the beamforming of the AAS changes, which affects the cell coverage and reduces the network performance.
  • the antenna array of the AAS and the transceiver channel are 1:1 mapping or M:1 mapping, M>1, and each antenna element is connected to at most one transceiver channel.
  • the transceiver channel is abnormal, the normal array can no longer work.
  • the embodiment of the invention provides a method and a device for self-healing of an active antenna system AAS, which solves the problem that when one (or multiple) paths of the AAS fail in the related art, the beamforming of the AAS changes, thereby affecting the cell. Coverage, reducing network performance issues.
  • a method for self-healing an active antenna system AAS including the following steps:
  • the antenna array connected to the failed transceiver channel is switched to the normal transceiver channel.
  • the method further includes: before switching the antenna array connected to the failed transceiver channel to the normal transceiver channel,
  • each transceiver channel sharing group is configured with at least two transceiver channels
  • the antenna array connected to the failed transceiver channel is switched to the normal transceiver channel, and includes:
  • the antenna array connected to the failed transceiver channel is switched to the normal transceiver channel in the same transceiver channel sharing group as the failed transceiver channel.
  • the method further includes:
  • the channel phase parameter is configured into the AAS, and the AAS is self-healing according to the configured channel phase parameter.
  • calculating a channel phase of the normal transceiver channel including:
  • the channel phase of each transceiver channel is calculated using the configured self-healing recovery parameters and the calculated center spacing of each antenna element.
  • the self-healing recovery parameter includes: a faulty transceiver channel parameter, an antenna array center spacing parameter, and an antenna downtilt angle parameter.
  • an active antenna system AAS self-healing device including:
  • a detection module configured to perform real-time monitoring of each transceiver channel connected to each antenna element
  • the switching module is configured to switch the antenna array connected to the failed transceiver channel to the normal transceiver channel when a failure of the transceiver channel is detected.
  • it also includes:
  • the configuration unit is configured to configure multiple transceiver channels into a plurality of transceiver channel sharing groups, and each transceiver channel sharing group configures at least two transceiver channels;
  • the switching module is configured to switch the antenna array connected to the failed transceiver channel to the normal transceiver channel by:
  • the antenna array connected to the failed transceiver channel is switched to the normal transceiver channel in the same transceiver channel sharing group as the failed transceiver channel.
  • it also includes:
  • the self-healing unit includes:
  • the configuration subunit is configured to configure a self-healing recovery parameter for the transceiver channel that detects the fault
  • the calculation subunit is configured to calculate the antenna array center spacing mapped by each transceiver channel, and calculate the channel of each transceiver channel by using the configured self-healing recovery parameter and the calculated spacing of each antenna array center Phase
  • the self-healing subunit is configured to configure the channel phase parameter into the AAS to cause the AAS to self-heal according to the configured channel phase parameter.
  • the self-healing recovery parameter includes a faulty transceiver channel parameter, an antenna array center spacing parameter, and an antenna downtilt angle parameter.
  • a computer storage medium having stored therein computer executable instructions for performing the method described above.
  • the system self-healing is performed, and the performance index of the cell is improved.
  • FIG. 1 is a schematic diagram of a conventional AAS layout provided by the related art
  • FIG. 2 is a flowchart of a method for self-healing an active antenna system AAS according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an apparatus for self-healing of an active antenna system AAS according to an embodiment of the present invention
  • FIG. 4 is a flowchart of AAS self-healing according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an AAS self-healing layout according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of AAS fault self-healing according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for self-healing an active antenna system AAS according to an embodiment of the present invention.
  • the AAS includes a plurality of antenna elements and a transceiver channel respectively connected to each antenna element, as shown in FIG. 2 .
  • the method includes the following steps:
  • Step S201 performing real-time monitoring on each transceiver channel connecting each antenna element
  • Step S202 When it is detected that there is a failure of the transceiver channel, the antenna array connected to the failed transceiver channel is switched to the normal transceiver channel.
  • the embodiment of the present invention further includes: configuring multiple transceiver channels into multiple transceivers.
  • the channel sharing group, each transceiver channel sharing group is configured with at least two transceiver channels; wherein the normal transceiver channel and the failed transceiver channel belong to the same transceiver channel sharing group.
  • the method further includes: after switching the antenna array connected to the failed transceiver channel to the normal transceiver channel, calculating a channel phase of the normal transceiver channel to obtain a channel phase parameter;
  • the channel phase parameter is configured into the AAS, and the AAS is self-healing according to the configured channel phase parameter.
  • the channel phase of the normal transceiver channel is calculated, including: configuring a self-healing recovery parameter for the transceiver channel that detects the fault; calculating a center spacing of the antenna array mapped by each transceiver channel; using the configured self The recovery parameters and the calculated center spacing of each antenna element are calculated, and the channel phase of each transceiver channel is calculated.
  • the self-healing recovery parameters include a faulty transceiver channel parameter, an antenna array center spacing parameter, and an antenna downtilt angle parameter.
  • FIG. 3 is a schematic diagram of an apparatus for self-healing an active antenna system AAS according to an embodiment of the present invention.
  • the method includes: a detecting module 301, configured to perform, for each transceiver channel connecting each antenna element. Real-time monitoring; the switching module 302 is configured to switch the antenna array connected to the failed transceiver channel to the normal transceiver channel when a failure of the transceiver channel is detected.
  • the embodiment of the present invention further includes: a configuration unit, configured to configure multiple transceiver channels into a plurality of transceiver channel sharing groups, and each transceiver channel sharing group configures at least two transceiver channels; wherein the normal transceiver The channel and the failed transceiver channel belong to the same transceiver channel sharing group.
  • a self-healing unit configured to calculate a channel phase of the normal transceiver channel, obtain a channel phase parameter, and configure the channel phase parameter into the AAS, so that the AAS performs according to the configured channel phase parameter Self-healing.
  • the self-healing unit includes: a configuration sub-unit configured to configure a self-healing recovery parameter for the transceiver channel that detects the fault; and a calculation sub-unit configured to calculate an antenna array center spacing mapped by each transceiver channel And calculating a channel phase of each transceiver channel by using the configured self-healing recovery parameter and the calculated spacing of each antenna element center; the self-healing subunit is configured to configure the channel phase parameter to the In the AAS, the AAS is self-healing according to the configured channel phase parameters.
  • the self-healing recovery parameter includes a faulty transceiver channel parameter, an antenna array center spacing parameter, and an antenna downtilt angle parameter.
  • FIG. 4 shows an AAS self-healing flowchart provided by an embodiment of the present invention. As shown in FIG. 4, the method includes the following steps:
  • Step S401 system diagnosis
  • the system detects each transceiver channel connected to the antenna element.
  • Step S402 determining whether the transceiver channel is faulty
  • step S403 If it is determined that a channel failure occurs in the transceiver channel, the process proceeds to step S404.
  • Step S403 The fault is self-healing
  • the system performs a self-healing operation on the transceiver channel that detects the occurrence of the channel failure, and the self-healing operation process includes: switching the antenna array connected to the failed transceiver channel to the normal transceiver channel; The channel phase of the channel is calculated to obtain a channel phase parameter; the channel phase parameter is configured into the AAS, and the AAS is self-healing according to the configured channel phase parameter, and step S405 is performed;
  • Step S404 normal operation without failure
  • Step S405 Self-healing.
  • the system performs a reporting operation on the self-healing result of the self-healing operation.
  • FIG. 5 is a schematic diagram of an AAS self-healing layout provided by an embodiment of the present invention.
  • the AAS is composed of a transceiver module and an antenna module
  • the transceiver module is composed of multiple transceiver channels
  • the antenna module includes Power switching network and antenna array.
  • a power splitting network is added to the antenna, and the 1:1 or 1:M mapping between the AAS transceiver channel and the antenna array is changed to the N:M mapping. That is, multiple transceiver channels can be connected to multiple antenna elements, each antenna frame can be connected to multiple transceiver channels, and each transceiver channel can be connected to multiple antenna elements.
  • Self-healing is achieved by reducing the coupling between the array and the transceiver channel to achieve higher reliability.
  • Beamforming is a combination of antenna technology and digital signal processing technology for directional signal transmission or reception.
  • the beamforming in the antenna consists of four parts, including phase difference compensation for each channel of the transceiver, phase difference compensation of the passive part in the antenna, and phase difference caused by the downtilt angle in the antenna. Compensation and compensation of phase difference caused by circular or linear polarization of the antenna.
  • the phase difference compensation of each channel of the transceiver can be realized by off-line phase calibration; the passive part phase difference compensation in the antenna can be realized by the antenna manufacturer providing the original data; the phase difference compensation caused by the downtilt angle in the antenna can pass the phase difference Formula calculation implementation; phase difference compensation caused by antenna circular polarization or linear polarization can be achieved by an additional phase compensation factor.
  • the phase difference compensation caused by the downtilt angle is realized as follows: according to the physical layout of the antenna array, the phase difference ⁇ caused by the downtilt angle of each unit is calculated as:
  • FIG. 6 shows an AAS fault self-healing flowchart provided by an embodiment of the present invention.
  • Multiple antenna arrays (groups) are connected to multiple transmission channels through a power splitting network, and the array can be switched to one of the channels through a switch.
  • the array can be self-healing by switching on the channel.
  • Array 1 can be connected to the TX1 or TX2 channel
  • Array 2 can be connected to the TX1 or TX2 channel. If the TX1 channel is damaged, the array 1 can be switched to the TX2 channel through the control switch to achieve self-healing of the channel.
  • the channel failure is detected, as shown in Figure 6, the following steps are included:
  • Step S601 fault channel shielding and alternate channel switching
  • the faulty channel is blocked for detecting the faulty transceiver channel, and the antenna array connected to the faulty transceiver channel is switched to the standby transceiver channel. After the handover is completed, the link hardware is opened.
  • Step S602 configuring a self-healing recovery parameter according to the fault channel
  • the self-healing recovery parameter is configured according to the faulty transceiver channel, wherein the self-healing recovery parameter includes a fault transceiver channel, an antenna array spacing information, and an antenna default downtilt angle.
  • Step S603 Recalculating the center distance of the array
  • the center spacing of the array (group) mapped by each transceiver channel is recalculated.
  • the antenna elements mapped by the failed transceiver channel are mapped together to the normal transceiver channel that is switched, and the antenna frame mapped by the normal transceiver channel is mapped to the failed transceiver channel and the normal transceiver channel.
  • the intersection of the antenna elements, the middle of the new antenna The heart spacing is calculated from the physical topology of all antenna elements, where the physical topology of the antenna elements is determined by the antenna itself.
  • Step S604 Recalculating the channel phase according to the center interval of the array
  • Step S605 increasing the power of the non-faulty channel
  • Step S606 Reconfigure the phase.
  • the calculated channel phase parameters are configured into the system, and the power of the alternate channel is increased to complete the self-healing.
  • the transceiver channel 2 when the transceiver channel 1 is damaged, the transceiver channel 2 is used for compensation.
  • the gain of the transceiver channel 2 needs to be increased, and the phase of the transceiver channel 2 also needs to be recalculated.
  • the new calculation and the previous difference are the change of the interval of the array. It is only necessary to modify the center value of the array 2 to the average of the center of the new array 1 and the center of the array 2 and then recalculate.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • the embodiment of the present invention can perform self-healing of the system to improve the communication index of the cell when the one-way (or multiple) path fails, which is relatively simple and easy to implement.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the above technical solution can perform system self-healing to improve the communication index of the cell when the one-way (or multiple) path fails, which is simple and easy to implement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne un appareil et un procédé d'autorégénération de système d'antenne active (AAS) qui concerne le domaine technique d'autorégénération d'AAS. Le procédé comprend les étapes suivantes qui consistent : à surveiller chaque canal d'émission-réception connecté à chaque réseau d'antennes en temps réel ; et lorsqu'il est détecté qu'un certain canal d'émission-réception est défectueux, à commuter le réseau d'antennes connecté au canal d'émission-réception défectueux à un canal d'émission-réception normal. La solution technique réalise une autorégénération de système dans un mode matériel lorsqu'un certain canal ou plusieurs canaux d'un AAS sont défectueux, ce qui permet d'améliorer l'indice de performance d'une cellule.
PCT/CN2015/084519 2014-11-25 2015-07-20 Appareil et procédé d'autorégénération de système d'antenne active (aas) Ceased WO2016082566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410686738.8 2014-11-25
CN201410686738.8A CN105611560A (zh) 2014-11-25 2014-11-25 一种有源天线系统aas自愈的方法及装置

Publications (1)

Publication Number Publication Date
WO2016082566A1 true WO2016082566A1 (fr) 2016-06-02

Family

ID=55991027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/084519 Ceased WO2016082566A1 (fr) 2014-11-25 2015-07-20 Appareil et procédé d'autorégénération de système d'antenne active (aas)

Country Status (2)

Country Link
CN (1) CN105611560A (fr)
WO (1) WO2016082566A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109087536B (zh) * 2018-09-13 2020-06-30 四川九洲空管科技有限责任公司 机载防撞系统天线自检及降级方法
CN109980367B (zh) * 2019-03-28 2020-12-29 中国人民解放军陆军工程大学 具有快速自修复能力的阵列天线及其自修复方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965235B2 (en) * 2009-02-24 2011-06-21 Raytheon Company Multi-channel thinned TR module architecture
CN102142869A (zh) * 2010-11-22 2011-08-03 华为技术有限公司 有源天线的失效补偿方法、装置及有源天线设备
CN102594426A (zh) * 2012-02-21 2012-07-18 中兴通讯股份有限公司 一种有源天线多收发通道同步校准的装置和方法
CN102593570A (zh) * 2012-03-19 2012-07-18 中兴通讯股份有限公司 一种有源天线
CN102624471A (zh) * 2012-03-06 2012-08-01 中兴通讯股份有限公司 一种有源天线通道异常检测和修复的方法及装置
CN102724682A (zh) * 2012-05-25 2012-10-10 中兴通讯股份有限公司 一种基于有源天线的通信系统组网方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328922C (zh) * 2004-07-13 2007-07-25 中兴通讯股份有限公司 智能天线阵元失效后系统重新最优配置的方法
CN101969686A (zh) * 2010-10-14 2011-02-09 无锡博欧电子科技有限公司 基站射频切换设备
KR20130101719A (ko) * 2012-03-06 2013-09-16 천종훈 등방성 패턴 특성을 갖는 유에이치에프 알에프아이디 리더기용 원형편파 안테나 설계 기술

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965235B2 (en) * 2009-02-24 2011-06-21 Raytheon Company Multi-channel thinned TR module architecture
CN102142869A (zh) * 2010-11-22 2011-08-03 华为技术有限公司 有源天线的失效补偿方法、装置及有源天线设备
CN102594426A (zh) * 2012-02-21 2012-07-18 中兴通讯股份有限公司 一种有源天线多收发通道同步校准的装置和方法
CN102624471A (zh) * 2012-03-06 2012-08-01 中兴通讯股份有限公司 一种有源天线通道异常检测和修复的方法及装置
CN102593570A (zh) * 2012-03-19 2012-07-18 中兴通讯股份有限公司 一种有源天线
CN102724682A (zh) * 2012-05-25 2012-10-10 中兴通讯股份有限公司 一种基于有源天线的通信系统组网方法及装置

Also Published As

Publication number Publication date
CN105611560A (zh) 2016-05-25

Similar Documents

Publication Publication Date Title
US10567295B2 (en) Method and system for teleprotection over segment routing-based networks
EP3564816A1 (fr) Procédé de commande de simultanéité fondé sur une chaîne d'appel, dispositif et noeud de commande
US8953936B2 (en) Method for protection of multi-wavelength passive optical network
US9281998B2 (en) Method and device for detecting and repairing channel anomaly of active antenna
CN109088679A (zh) 有源阵列天线校准系统、方法、装置及有源阵列天线系统
US10149055B2 (en) Loud-speaking, loud-speaker and interactive device
US20150094868A1 (en) Selective Industrial Power-Over-Network Configuration and Operation
US9716641B2 (en) Adaptive industrial ethernet
EP3142188B1 (fr) Procédé, dispositif et système d'étalonnage d'antenne réseau
EP3067988A1 (fr) Antenne et procédé pour émettre et recevoir un signal sans fil
KR20160105866A (ko) 빔 선택 방법 및 장치 및 통신 시스템
CN106256098A (zh) 天线阵列自校准
JP6456523B2 (ja) 電気チルトアンテナ配線順の検出方法及び装置
WO2018192282A1 (fr) Procédé et appareil de détection d'un faisceau
CN107005292A (zh) 用于多天线系统的具有自适应端口到天线映射的波束成形配置
WO2016082566A1 (fr) Appareil et procédé d'autorégénération de système d'antenne active (aas)
CN102611602B (zh) 环网系统及环网组网方法
CN108781104B (zh) 适于辐射不同类型的天线波束的无线通信节点
WO2015051668A1 (fr) Système d'antenne et station de base
CN102123422B (zh) 通信通道的故障检测方法和设备
CN106207497B (zh) 一种多波束天线系统及其构造波束的方法
CN112511187A (zh) 一种阵列天线相位实时监测方法和系统
JP2020091839A (ja) 冗長システム
CN110121842B (zh) 对多天线系统的快速训练
CN113243091A (zh) 天线阵列的自动校准的设备和方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15862573

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15862573

Country of ref document: EP

Kind code of ref document: A1