WO2013086948A1 - Procédé, système et dispositif de mesure d'interférence en liaison ascendante - Google Patents

Procédé, système et dispositif de mesure d'interférence en liaison ascendante Download PDF

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Publication number
WO2013086948A1
WO2013086948A1 PCT/CN2012/086158 CN2012086158W WO2013086948A1 WO 2013086948 A1 WO2013086948 A1 WO 2013086948A1 CN 2012086158 W CN2012086158 W CN 2012086158W WO 2013086948 A1 WO2013086948 A1 WO 2013086948A1
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WO
WIPO (PCT)
Prior art keywords
configuration information
uplink interference
terminal
drive test
cell
Prior art date
Application number
PCT/CN2012/086158
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English (en)
Chinese (zh)
Inventor
胡南
胡臻平
崔春风
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中国移动通信集团公司
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 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Publication of WO2013086948A1 publication Critical patent/WO2013086948A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an uplink interference measurement method, system, and apparatus.
  • BACKGROUND In a wireless communication system, the performance of a wireless network has a direct impact on whether a user's mobile terminal can communicate normally. Therefore, testing the performance of the wireless network is the key to ensuring the service shield of the wireless communication system.
  • Drive Test technology has been widely used in wireless communication systems as an important means of wireless communication network performance detection.
  • Drive test refers to field test through the network (for example, measuring parameters such as cell pilot signals of different geographical locations), and determines network performance based on test results.
  • the traditional road test method is mainly implemented by vehicles and road testers equipped with special measurement equipment along the non-stop test area where road test is required, which requires a lot of resources.
  • MDT Minimization Of Drive Tests
  • the purpose of minimizing the drive test is to participate in the drive test work by configuring the user's ordinary terminal on the network side to reduce Resource input during road test.
  • FIG. 1 is a schematic structural diagram of a minimization of a drive test system.
  • the minimized drive test system mainly includes: an Operation Administration and Maintenance (OAM) 101, a base station 102, and a drive test terminal 103.
  • the drive test terminal 103 is a designated ordinary terminal participating in the drive test.
  • the road test terminal mainly records the downlink data and reports the function of the base station in the road test process.
  • the road test terminal needs to be expanded to the minimum.
  • the function of the road test A specific application scenario that needs to expand the function of the road test terminal is the uplink interference check operation.
  • Figure 2 shows the flow chart of the existing uplink interference check work, which mainly includes the following steps:
  • Step 201 The OAM obtains cell information with severe uplink interference, thereby determining an uplink high-interference cell.
  • Step 202 The network optimization personnel go to the local station to perform uplink scrambling to determine the uplink interference direction according to the high-interference cell information provided by the OAM.
  • the upper station sweeping frequency means that the network optimization personnel arrive at the base station sky surface, and the 360-degree omnidirectional frequency sweep is performed by using the frequency sweeper, and the general direction of the base station uplink interference is discriminated according to the strength of the power in different directions.
  • the base station works upward at the fl frequency.
  • the sweep frequency sweep result is that the fl frequency is the largest in the south direction of the base station, and the interference direction is considered to be from the south of the base station.
  • Step 203 Perform detailed interference check according to the determined uplink interference direction, and determine an uplink interference source.
  • step 203 a detailed interference check is performed according to the determined uplink interference direction, that is, the frequency sweep is performed along the area involved in the user in the interference direction, and the uplink interference source is accurately searched.
  • the process of the upstream interference check ends.
  • the above-mentioned process of uplink interference rejection requires the staff to arrive at the scene and perform the interference positioning and the interference detection in the interference direction.
  • the efficiency of the uplink interference is very low.
  • the base station acquires the uplink interference data mainly depends on the data reported by the staff based on the field test, and the workflow of the ordinary terminal participating in the uplink interference check is not implemented, and the efficiency of the uplink interference is determined to be low.
  • an embodiment of the present invention provides an uplink interference measurement method, system, and apparatus, and the technical solution can improve the efficiency of determining uplink interference.
  • an uplink interference measurement method including:
  • the minimized drive test configuration information includes a cell identifier of the cell that performs uplink interference measurement
  • the uplink interference measurement result determined according to the power of the received signal is reported to the base station.
  • an uplink interference measurement method including: receiving, by a base station, minimized drive test configuration information sent by an operation and maintenance management OAM server, where the minimization of drive test configuration information includes The cell identifier of the cell for uplink interference measurement;
  • an uplink interference measurement system including: a base station and a terminal; wherein:
  • the base station is configured to receive the minimized drive test configuration information sent by the operation and maintenance management OAM server, where the minimized drive test configuration information includes a cell identifier of a cell that performs uplink interference measurement, and sends the minimization to the terminal.
  • the road test configuration information and receiving the uplink interference measurement result of the terminal on the terminal;
  • an uplink interference measurement apparatus including: a configuration information receiving unit, configured to receive minimization of drive test configuration information sent by a base station, where the minimization of drive test configuration information is The cell identifier of the cell including the uplink interference measurement;
  • a interference measurement unit configured to receive a cell corresponding to the cell identifier included in the minimization drive test configuration information received by the configuration information receiving unit
  • the measurement result is used to report the uplink interference measurement determined according to the power of the signal received by the interference measurement unit to the base station.
  • a user equipment comprising the above-described uplink interference measuring apparatus.
  • an uplink interference measurement apparatus including: a configuration information receiving unit, configured to receive minimized drive test configuration information sent by an operation and maintenance management OAM server, where the minimization path is The measurement configuration information includes a cell identifier of a cell that performs uplink interference measurement;
  • a configuration information sending unit configured to send, to the terminal, minimized drive test configuration information received by the configuration information receiving unit
  • a measurement result receiving unit configured to receive an uplink interference measurement result measured by the terminal participating in the minimization drive test according to the minimized drive test configuration information, where the uplink interference measurement result is according to the terminal identifier and the cell identifier The power of the signal received in the access configuration state corresponding to the access configuration information of the cell is determined.
  • a base station including the uplink interference measurement device.
  • the terminal can receive the minimization of the drive test configuration information sent by the receiving base station, where the minimization of the drive test configuration information includes the cell identifier of the cell that performs the uplink interference measurement, where the terminal is The cell corresponding to the cell identifier receives the signal, and reports the uplink interference measurement result determined according to the power of the received signal to the base station.
  • the base station can configure the terminal to perform an uplink interference strategy, thereby improving the efficiency of determining the uplink interference compared with the existing manual troubleshooting to determine the uplink interference.
  • FIG. 1 is a schematic structural diagram of a minimized drive test system provided by the background art
  • FIG. 2 is a schematic flowchart of implementing uplink interference troubleshooting provided by the background technology
  • 3 is a schematic diagram of a network structure applicable to an uplink interference measurement method according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a method for uplink interference measurement provided by an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of a terminal performing uplink interference measurement according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of still another flow of the uplink interference measurement provided by the terminal according to the embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of an uplink interference measurement apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an uplink interference measuring apparatus according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to provide an implementation scheme for improving the efficiency of determining an uplink interference, an embodiment of the present invention provides an uplink interference measurement method, system, and apparatus.
  • the preferred embodiment of the present invention is described below with reference to the accompanying drawings. The preferred embodiments described herein are for illustrative purposes only and are not intended to limit the invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
  • the first embodiment of the present invention provides an uplink interference measurement method.
  • an ordinary terminal can participate in measuring uplink interference, thereby improving the efficiency of determining uplink interference.
  • FIG. 3 is a schematic diagram of a network structure applicable to the method for uplink interference measurement provided by the embodiment of the present invention. As shown in FIG. 3, the method mainly includes:
  • OAM Operaation Administration and Maintenance
  • the OAM server 301 is configured to send the most optimized drive test configuration information to the base station 302.
  • the minimized drive test configuration information includes a cell identifier of a cell that performs uplink interference measurement.
  • the minimized drive test configuration information is further included.
  • Other configuration parameters such as information indicating the measurement time of the uplink interference measurement may be included;
  • the base station 302 is configured to perform the minimization of the drive test according to the minimized drive test configuration information sent by the OAM server 301, and send the uplink interference measurement result reported by the terminal to the OAM server 301.
  • FIG. 4 is a flowchart of a method for uplink interference measurement provided in the first embodiment. As shown in FIG. 4, the method mainly includes the following steps:
  • Step 401 The OAM server determines the uplink interference cell information, and sends the minimization drive test configuration information to the base station corresponding to the uplink interference cell.
  • the uplink interference cell information is mainly reported by the base station to the 0 AM server.
  • the base station can monitor whether the uplink interference is reported by the terminal to determine whether there is uplink interference, if the monitored signal shield is compared. If the difference is determined, it is determined that there is an uplink interference, and it is determined that the cell where the terminal is located is an uplink interference cell, and the cell identifier of the cell
  • the OAM server is configured to perform uplink interference measurement on the cell corresponding to the cell identifier, that is, the cell identifier is included in the minimization drive test configuration information.
  • the OAM server can also minimize the drive test configuration.
  • the information includes parameters such as the measurement time indicating the uplink interference measurement.
  • Step 402 After receiving the minimized drive test configuration information sent by the OAM server, the base station sends the minimized drive test configuration information to the terminal.
  • the base station sends the minimized drive test configuration information to the terminal having the minimized drive test function by using Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the minimized drive test configuration information sent by the base station includes the cell identifier of the cell that performs the uplink interference measurement, and preferably, the minimized drive test configuration information may further include a measurement time that indicates the uplink interference measurement.
  • the information, the measurement purpose (the terminal performs the uplink interference measurement), and other configuration parameters such as the period during which the terminal performs the uplink interference measurement.
  • Step 403 After receiving the minimized drive test configuration information sent by the base station, the terminal performs uplink interference measurement, and uplinks the interference measurement result to the base station.
  • the terminal may perform uplink interference measurement for any terminal that receives the minimization of the drive test configuration information, and is mainly a cell reception signal corresponding to the cell identifier included in the minimization of the drive test configuration information. Specifically, when the terminal minimizes the cell receiving signal corresponding to the cell identifier included in the drive test configuration information, the terminal may configure its own access parameter to be similar to the access parameter of the cell. In the preferred implementation manner, the terminal may configure its own connection.
  • the ingress parameter is the same as the access parameter of the cell.
  • the terminal may be a terminal that belongs to the cell that performs the uplink interference measurement, that is, the terminal determines the cell identity of the currently-located cell and the minimized drive test configuration information. After the cell identifiers included in the cell are consistent, the uplink interference measurement is performed.
  • the uplink interference measurement result received by the base station is an uplink interference measurement result measured by the terminal that matches the cell identifier of the home cell and the cell identifier included in the minimized drive test configuration information according to the minimized drive test configuration information.
  • Step 404 The base station receives the uplink interference measurement result that is measured by the terminal that minimizes the drive test according to the minimized drive test configuration information, and reports the uplink interference measurement result to the 0 AM server.
  • Step 405 The OAM server determines the specific location of the uplink interference source according to the uplink interference measurement result reported by the terminal.
  • the OAM server can determine the specific location of the interference source according to the uplink interference power included in each uplink interference measurement result and the measurement location of the terminal. Specifically, the uplink interference power is greater than the set threshold. The location will be determined as the location of the source of the interference. Further, the maintenance personnel can perform the interference processing according to the specific location information of the uplink interference source determined by the OAM server.
  • the base station can configure the terminal to perform an uplink interference strategy, thereby improving the efficiency of determining the uplink interference compared with the existing manual troubleshooting to determine the uplink interference.
  • step 403 of the corresponding process of FIG. 4 the terminal performs uplink interference measurement, which can be implemented by measuring signal receiving power.
  • FIG. 5 shows a schematic diagram of the terminal performing uplink interference measurement, as shown in FIG. 5, Including such as Next steps:
  • Step 501 The terminal receives the signal in an access configuration state corresponding to the access configuration information according to the access configuration information of the cell corresponding to the cell identifier included in the minimization of the drive test configuration information.
  • the terminal stops the uplink transmission first, and then transfers the received signal.
  • the access configuration information of the cell may include the frequency and bandwidth of the cell, and the information may be determined by reading system information of the resident cell.
  • the terminal receives the signal in an access configuration state corresponding to the access configuration information of the cell, that is, the frequency and bandwidth of the configured received signal are consistent with the frequency and bandwidth of the camped cell.
  • Step 502 The terminal determines an uplink interference measurement result according to the power of the received signal.
  • the terminal determines the uplink interference measurement result according to the power of the received signal, including: determining the power of the received signal as the uplink interference power, and using the uplink interference power and the cell identifier as the uplink interference measurement. result.
  • the process of the terminal performing the uplink interference measurement ends.
  • the uplink interference result is sent to the base station.
  • FIG. 6 shows another flow diagram of the terminal performing uplink interference measurement. As shown in FIG. 6, the method mainly includes the following steps:
  • Step 601 The terminal monitors the measurement time corresponding to the measurement time information included in the minimization drive test configuration information.
  • Step 602 When the terminal detects that the measurement time arrives, according to the access configuration information of the cell corresponding to the cell identifier, the terminal receives the signal in an access configuration state corresponding to the access configuration information.
  • Step 603 The terminal determines an uplink interference measurement result according to the power of the received signal.
  • the terminal determines the uplink interference measurement result according to the power of the received signal, including: determining the power of the received signal as the uplink interference power, and the uplink interference power, the measurement time information, and the cell identifier. As the result of the upstream interference measurement.
  • the process of the terminal performing the uplink interference measurement ends.
  • the terminal will send the uplink interference result to the base station.
  • the terminal needs to periodically perform the uplink interference measurement process according to the measurement period.
  • the measurement time information of the uplink interference measurement is configured by the OAM server or the base station, different times can be configured for different terminals.
  • the time can be a relatively large time period for the cell in which the interference measurement is performed.
  • the base station needs to ensure that the measurement time for the uplink interference measurement configured for the terminal corresponds to the uplink time slot.
  • the uplink interference measurement reported by the terminal to the base station may further include a measurement location for performing uplink interference measurement, where the location may be Global Navigation Satellite System (GNSS) information. If not, the signal strength of up to six co-frequency neighbors can be used to assist the positioning.
  • GNSS Global Navigation Satellite System
  • the measurement location information is mainly used for more precise positioning of the interference location on the network side.
  • the embodiment of the present invention further provides an uplink interference measurement device, which can be located in the user equipment, so that the user equipment can participate in uplink interference measurement to improve uplink interference.
  • the efficiency of the measurement can be provided.
  • FIG. 7 is a schematic flowchart of the uplink interference measurement apparatus.
  • the uplink interference measurement apparatus includes: a configuration information receiving unit 701, a interference measurement unit 702, and a measurement unit 4 703;
  • the configuration information receiving unit 701 is configured to receive the minimized drive test configuration information sent by the base station, and minimize the cell identifier of the cell that includes the uplink interference measurement in the drive test configuration information.
  • the interference measurement unit 702 is configured to receive a signal corresponding to the cell identifier included in the minimized drive test configuration information received by the configuration information receiving unit 701.
  • the measurement result reporting unit 703 is configured to report the uplink interference measurement result determined according to the power of the signal received by the interference measurement unit 702 to the base station.
  • the device shown in FIG. 7 includes a interference measurement unit 702, which is specifically configured to use, according to the access configuration information of the cell corresponding to the cell identifier, the access configuration information. Receive signals in the corresponding access configuration state.
  • the device shown in FIG. 7 includes a interference measurement unit 702, which is specifically configured to include in a cell identifier and a minimized drive test configuration information of a cell to which the terminal where the device is located is determined. After the cell identifiers are consistent, the signals are received in the access configuration state corresponding to the access configuration information according to the access configuration information of the cell corresponding to the cell identifier.
  • the apparatus shown in FIG. 7 includes a measurement result upper unit 703, which is specifically configured to determine the power of the received signal as the uplink interference power, and the uplink interference power, The measurement location information and the cell identity are sent to the base station as uplink interference measurement results.
  • the device shown in FIG. 7 includes a interference measurement unit 702, which is specifically used for measuring time information for performing uplink interference measurement included in the minimized drive test configuration information.
  • a interference measurement unit 702 which is specifically used for measuring time information for performing uplink interference measurement included in the minimized drive test configuration information.
  • the apparatus shown in FIG. 7 includes a measurement result reporting unit 703, which is specifically configured to determine the power of the received signal as the uplink interference power, and the uplink interference power. Measuring ground The point information, the measurement time information, and the cell identity are sent to the base station as uplink interference measurement results.
  • the above-mentioned uplink interference measuring device includes only the logic division according to the functions implemented by the uplink interference measuring device. In practical applications, the superposition or splitting of the above units may be performed. And the function implemented by the uplink interference measurement device provided by the embodiment corresponds to the process performed by the terminal in the flow of the uplink interference measurement method provided by the foregoing embodiment, and the method is more detailed for the process implemented by the device. It has been described in detail in the embodiments and will not be described in detail herein.
  • the uplink interference measurement apparatus in the second embodiment further has a functional module capable of implementing the first embodiment, and details are not described herein again.
  • the embodiment of the present invention further provides an uplink interference measurement device, where the device may be located in a base station, to configure a user equipment to participate in uplink interference measurement to improve uplink interference measurement. effectiveness.
  • FIG. 8 is a schematic flowchart of the uplink interference measurement apparatus.
  • the uplink interference measurement apparatus includes: a configuration information receiving unit 801, a configuration information sending unit 802, and a measurement result receiving unit 803;
  • the configuration information receiving unit 801 is configured to receive the minimized drive test configuration information sent by the operation and maintenance management OAM server, and minimize the cell identifier of the cell that includes the uplink interference measurement in the drive test configuration information;
  • the configuration information sending unit 802 is configured to send, to the terminal, the minimized drive test configuration information received by the configuration information receiving unit;
  • the measurement result receiving unit 803 is configured to receive an uplink interference measurement result that is measured by the terminal participating in the minimization of the drive test according to the minimized drive test configuration information, and the uplink interference measurement result is configured according to the access configuration information of the cell corresponding to the cell identifier by the terminal. The power of the received signal in the corresponding access configuration state is determined.
  • the apparatus shown in FIG. 8 includes a configuration information sending unit 802, which is specifically configured to send minimization of drive test configuration information to the terminal by using RRC signaling.
  • the apparatus shown in FIG. 8 includes a measurement result receiving unit 803, which is specifically configured to receive a terminal that is consistent with a cell identifier of a cell that is in the home and that is included in the minimization of the drive test configuration information.
  • the uplink interference measurement result measured according to the minimized drive test configuration information.
  • the configuration information sending unit 802 included in the apparatus shown in FIG. 8 is specifically configured to send, to the terminal, a minimized drive test configuration including the determined measurement time information for performing uplink interference measurement. information.
  • the configuration information sending unit 802 included in the apparatus shown in FIG. 8 is specifically configured to send, to the terminal, measurement time information including the determined corresponding uplink time slot for uplink interference measurement. Minimize drive test configuration information.
  • the above-mentioned uplink interference measuring device includes only the unit realized according to the uplink interference measuring device.
  • the logical division that can be performed, in actual application, the superposition or split of the above units can be performed.
  • the function implemented by the uplink interference measurement device provided by the embodiment corresponds to the flow performed by the base station in the flow of the uplink interference measurement method provided by the foregoing embodiment, and the method is more detailed for the process implemented by the device. It has been described in detail in the embodiments and will not be described in detail herein.
  • the uplink interference measurement apparatus in the third embodiment further has a functional module capable of implementing the first embodiment, and details are not described herein again.
  • the embodiment of the present invention further provides an uplink interference measurement system, where the system may include a base station and a terminal;
  • the base station is configured to receive the minimized drive test configuration information sent by the OAM server, minimize the drive test configuration information, and include the cell identifier of the cell that performs the uplink interference measurement, and send the minimized drive test configuration information to the terminal; Receiving the uplink interference measurement result reported by the terminal;
  • the terminal is configured to: after receiving the minimized drive test configuration information sent by the base station, receive the signal in the cell corresponding to the cell identifier, and send the uplink interference measurement result determined according to the power of the received signal to the base station.
  • the base station in this embodiment refers to the uplink interference measurement device in the foregoing Embodiment 3, and the base station further has the corresponding functions performed by the base station in the first embodiment;
  • the uplink interference measurement device in the second embodiment refers to the uplink interference measurement device in the second embodiment, and the terminal further has the corresponding functions performed by the terminal in the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé, un système et un dispositif de mesure d'interférence en liaison ascendante. La principale solution technique comprend les étapes au cours desquelles : un terminal reçoit des informations de configuration de minimisation de tests de couverture radio (MDT) transmises par une station de base, les informations de configuration de MDT contenant l'identifiant (ID) de la cellule qui procède à la mesure de l'interférence en liaison ascendante ; le terminal reçoit le signal dans la cellule correspondant à l'ID de cellule, détermine le résultat de la mesure de l'interférence en liaison ascendante en fonction de la puissance du signal reçu et communique le résultat à la station de base. D'après la solution technique, la station de base peut configurer une règle d'interférence en liaison ascendante destinées au terminal, ce qui accroît l'efficacité de la détermination de l'interférence en liaison ascendante, par comparaison à la méthode artificielle actuelle de détermination de l'interférence en liaison ascendante.
PCT/CN2012/086158 2011-12-12 2012-12-07 Procédé, système et dispositif de mesure d'interférence en liaison ascendante WO2013086948A1 (fr)

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CN201110412515.9 2011-12-12
CN201110412515.9A CN103167537B (zh) 2011-12-12 2011-12-12 一种上行干扰测量方法、系统及装置

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CN105519177B (zh) * 2014-05-06 2019-11-26 华为技术有限公司 一种基于异构网络的最小化路测的测量方法及设备
CN105472642B (zh) * 2015-11-18 2019-02-26 广东南方通信建设有限公司 基于无人机的移动通信信号分析方法及系统
CN107154829B (zh) * 2016-03-04 2018-12-04 中国移动通信集团设计院有限公司 确定无线通信系统中上行自系统干扰的方法和装置
CN107690132B (zh) * 2017-07-13 2020-03-24 国网浙江省电力公司嘉兴供电公司 Lte230通信质量优化方法
CN109802733B (zh) * 2017-11-17 2022-06-10 华为技术有限公司 信号测量的方法和设备
CN109379150A (zh) * 2018-11-27 2019-02-22 中国电力科学研究院有限公司 一种用于检测电力无线专网上行干扰的系统及方法

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WO2011021388A1 (fr) * 2009-08-19 2011-02-24 パナソニック株式会社 Système de communication mobile, appareil de gestion de réseau, appareil de station de base macrocellulaire et procédé de contrôle d'interférences
CN102164375A (zh) * 2010-02-22 2011-08-24 华为技术有限公司 一种收集终端测量数据的方法和系统

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CN101282554A (zh) * 2007-04-05 2008-10-08 周健 移动通信网络信号强度及通信质量的定点采集分析方法
CN101296470A (zh) * 2008-06-23 2008-10-29 北京民享科技有限责任公司 一种支持td-scdma的无线网络覆盖路测软件
WO2011021388A1 (fr) * 2009-08-19 2011-02-24 パナソニック株式会社 Système de communication mobile, appareil de gestion de réseau, appareil de station de base macrocellulaire et procédé de contrôle d'interférences
CN102164375A (zh) * 2010-02-22 2011-08-24 华为技术有限公司 一种收集终端测量数据的方法和系统

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