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WO2014056373A1 - Procédé de mise à jour de relation de voisinage et station de base - Google Patents

Procédé de mise à jour de relation de voisinage et station de base Download PDF

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Publication number
WO2014056373A1
WO2014056373A1 PCT/CN2013/082917 CN2013082917W WO2014056373A1 WO 2014056373 A1 WO2014056373 A1 WO 2014056373A1 CN 2013082917 W CN2013082917 W CN 2013082917W WO 2014056373 A1 WO2014056373 A1 WO 2014056373A1
Authority
WO
WIPO (PCT)
Prior art keywords
neighbor relationship
relationship list
base station
identification information
neighboring
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/CN2013/082917
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English (en)
Chinese (zh)
Inventor
张世辉
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 WO2014056373A1 publication Critical patent/WO2014056373A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00835—Determination of neighbour cell lists

Definitions

  • the present invention relates to the field of communications, and in particular, to a neighboring cell relationship updating method and a base station.
  • the terminal equipment reports the cell information of all the cells that satisfy a certain signal strength to the base station, and the base station adds all the cells to the neighbor relationship.
  • the administrator checks the neighbor list once every month or quarter. If the neighbor relationship list is full, some neighbors are deleted.
  • the terminal Since the base station adds all the cells that satisfy a certain signal strength to the neighbor relationship list, the terminal has more redundant information in the neighbor relationship list, because in most cases, the terminal UE reports the cell information and reports it to the base station. However, it is not used at all after only one report, so such cell information is essentially redundant information, resulting in low information utilization;
  • the embodiment of the present invention provides a neighboring cell relationship updating method and a base station, which updates and optimizes a neighbor relationship list of a base station according to a reporting threshold, reduces redundant information in a neighbor relationship list, improves information utilization, and improves network switching efficiency and Success rate.
  • An embodiment of the present application provides a method for updating a neighbor relationship, which is applied to a base station, where the base station can perform wireless communication with a terminal, where the method includes:
  • the embodiment of the present application further provides a base station, where the base station includes:
  • the receiving unit is configured to: receive the unique identification information of the unknown neighboring area sent by the terminal;
  • the statistical unit is configured to: connect with the receiving unit, and count the number of times the identification information is reported in a preset time period;
  • the determining comparison unit is configured to: connect to the statistical unit, determine whether the number of times of reporting is greater than an adding threshold, and obtain a first determination result;
  • the neighboring area management unit is configured to: connect to the judgment comparison unit, and receive the first judgment result, if the first judgment result is yes, update the neighbor relationship of the base station based on the unique identifier information List.
  • the cell handover can be triggered in time to improve the efficiency and success rate of the network handover, and reduce the call drop rate, thereby improving the satisfaction of the user experience.
  • Embodiment 1 is a flowchart of a method for updating a neighbor relationship in Embodiment 1 of the present application;
  • FIG. 3 is a specific example diagram of a neighbor relationship update in the first embodiment of the present application.
  • FIG. 4 is a structural block diagram of a base station in Embodiment 2 of the present application.
  • the number of times of reporting the unknown neighboring area in the preset time period is counted, and the unique identification information of the unknown neighboring area whose number of times exceeds the added threshold is added to the neighboring area relationship list to ensure the neighboring area.
  • the information in the relationship list is reasonable and better. It avoids blindly adding redundant information to the neighbor relationship list, which improves the utilization of information. Because the number of records in the neighbor relationship list is controlled, the neighbor list is reduced. The redundant information in the correct neighboring area can be correctly added to the neighbor relationship list, so that the terminal UE can trigger the cell handover in time when the wireless environment changes during the network mobility. The efficiency and success rate of network switching, reducing the call drop rate.
  • a neighboring cell relationship updating method provided in Embodiment 1 is applied to a base station.
  • the base station is capable of wirelessly communicating with the terminal, and the method includes:
  • S101 Receive unique identification information of an unknown neighboring area sent by the terminal.
  • S102 Obtain a number of times of reporting the unknown neighboring cell in a preset time period.
  • step S103 Determine whether the number of times of reporting is greater than an adding threshold, and obtain a first determination result; if yes, perform step S104; otherwise, delete unique identification information of the unknown neighboring area;
  • the terminal UE User Equipment
  • the UE can be switched to the target cell with better signal quality in time, and the base station needs to establish a neighbor.
  • the area relationship list stores the unique identification information CGI (Cell Global Identifier) of the neighboring area, so the execution of S101: receiving the unique identification information of the unknown neighboring area sent by the terminal.
  • CGI Cell Global Identifier
  • the terminal UE performs the neighboring area information detection, and reports the cell information of all the cells that meet the certain signal strength in the mobile process to the base station, where the cell that meets the certain signal strength is the signal that the terminal UE can stably send and receive information.
  • the strength of the cell for example, the terminal UE is a mobile phone, and the signal strength of the mobile phone is represented by four cells.
  • the mobile phone can stably send and receive information, and then the cell that detects more than one cell is reported to the base station; then the cell reported by the base station to the terminal UE
  • the information is used to determine the unknown neighboring cell, and after detecting the unknown neighboring cell, send a query instruction of the unique identifier information CGI (Cell Global Identifier) to the terminal UE to query the unique identification information CGI of the unknown neighboring cell; After receiving the query instruction, the unique identifier information of the unknown neighboring area is detected by the Automatic Neighbor Relation (ANR), and the detected unique identifier information CGI is reported to the base station.
  • CGI Cell Global Identifier
  • the SeNB After receiving the unique identification information CGI of the unknown neighboring area reported by the terminal UE, the SeNB performs S102: acquiring the number of times the identification information is reported in a preset time period.
  • the CGI is redundant in the area where the base station is located, and it is not necessary to add it to the neighbor relationship list; For example, if the south side of a base station is a residential area, the east side is a commercial center, and the northwest side is a factory production place, the unknown neighboring area in the southeast direction reported by the terminal UE may be reported more frequently due to the user terminal, so it can be judged.
  • the unique identification information CGI of the unknown neighboring area is correct and reasonable information needs to be added to the neighbor relationship list.
  • the terminal UE reports the unique identification information CGI of the unknown neighboring cell for the first time
  • the number of times of reporting MR is initialized to 1, and the preset time period is started.
  • the timer in the statistical preset time period T, the subsequent UE continues to upload the unknown neighboring cell, and each time the base station receives the upper neighbor of the unknown neighboring cell, the corresponding unknown neighboring cell reports the number of MRs plus 1 .
  • the terminal UEs herein may be different UEs in the serving cell, and the preset time period may also be set according to different conditions of the serving cell where the base station is located, for example, the time period T of the commercial serving cell with large traffic volume may be preset to 2 hours, relatively speaking, the time period T of the residential area with less traffic can be preset to 8 hours.
  • the adding threshold may be a preset fixed value, such as a result reference setting derived from network simulation or performance statistics; and the adding threshold may also be based on the real-time list of the neighbor relationship.
  • the parameter information is used to dynamically set the threshold for reporting the neighboring cell in any period of time, for example, according to the configured number of neighboring cells, the lowest reported threshold data in a preset time period, and the like.
  • the first type the first judgment result is no, that is, the reporting threshold is less than or equal to the adding threshold, indicating that the unknown neighboring area reported by the terminal UE in the latest time period is used less frequently in actual use, and the unknown neighboring area is used.
  • the unique identification information CGI is redundant information in the neighbor relationship list. Therefore, in the first case, the base station directly deletes the unique identification information CGI of the unknown neighboring area, and reduces the redundant information in the neighbor relationship list.
  • the first judgment result is yes, that is, the reporting threshold is greater than the adding threshold, indicating that the unknown neighboring area reported by the terminal UE in the latest time period is used frequently in the actual use process, and the unknown neighboring area is unique.
  • the identification information CGI is the correct and reasonable neighbor association information. In this case, the unique identification information CGI of the unknown neighboring area needs to be added to the neighbor relationship list.
  • the base station may directly add the unique identification information CGI of the unknown neighboring area to the neighbor relationship list to quickly update the location.
  • CGI unique identification information
  • the base station In the free update mode, the base station can directly manage the neighbor relationship list to achieve a local optimal state according to its own situation, and the neighbor relationship is updated and timely.
  • Another mode of the neighboring cell relationship mode is a controlled update mode, and the neighboring cell relationship list of the base station is updated based on the unique identifier information, which may be implemented by the following steps:
  • the controlled update mode is based on the entire network through the operation and maintenance center. Whether the priority of the line network and the cell characteristics decision to update the neighbor relationship list, that is, not only the necessity of analyzing the unknown neighboring area from the number of times of reporting, the frequency of use, but also the entire network planning and some special neighboring areas such as military
  • the base needs to update the neighbor relationship list, so it is optimal for the overall network.
  • the communication line between the base station and the network operation and maintenance center is fixed, the signal is stable, and the communication speed is fast, the update rate of the base station neighbor list is not affected. Too much impact.
  • the second judgment result is yes, that is, the number N of neighboring cells configured in the neighbor relationship list is greater than or equal to the preset initial value threshold M t , indicating that the initial network construction has been completed. If the unknown neighboring cell is added to the neighboring cell relationship list, the step of acquiring the number of times the tag information is reported in the preset time period is performed.
  • the second case The second judgment result is no, that is, the number of neighbors configured in the neighbor relationship list
  • N is less than the preset initial value threshold M t , it indicates that the network is in the initial stage of construction.
  • the unique identification information of the received unknown neighboring area is directly added to the neighboring area relationship list, thereby quickly Updating the neighbor relationship list of the base station to ensure normal network switching.
  • the embodiment of the present application provides a method for automatically updating the added threshold.
  • the specific steps are as follows: S201: Obtain the number N of neighboring cells that are configured in the current neighbor relationship list.
  • S202 Determine whether the currently configured number of neighboring cells is greater than or equal to a preset initial value threshold Mt , and obtain a second determination result. If the second determination result is yes, execute S211; otherwise, execute S221.
  • the base station in order to obtain the minimum number of reported times S mm , the base station simultaneously counts the number of reported neighboring cells in the preset time period when the preset time period timer is started, and then compares, Obtain the minimum number of times of reporting s mm .
  • the immediate value is directly set to 1. That is, according to the update threshold of the immediate value update, the unique identification information CGI is added to the neighbor relationship list as long as the unique identification information of the unknown neighboring area is added once, so in the initial stage of network construction If the configured neighbor relationship is smaller than the initial threshold, the basic neighbor relationship can be quickly configured.
  • the base station may update the minimum number of times of reporting the real-time parameter information based on the updated neighbor relationship list and the And configuring the number of neighbors; and updating the immediate value to update the added threshold based on the updated minimum number of reported times and the configured number of neighbors.
  • the real-time update performance of the neighbor relationship can be improved to ensure that the correct and reasonable unknown neighbors can be added to the neighbor relationship list.
  • the preset rule is a redundant neighboring area in which the main performance of the neighboring area in the network service area is weak.
  • the preset rule may be that the neighboring area with the smallest number of neighboring areas reported in the neighboring area relationship is a redundant neighboring area; or the neighboring area with the lowest switching frequency in the configured neighboring area relationship is redundant.
  • the neighboring area may also be the neighboring area in which the signal strength is the weakest in the configured neighboring area relationship is a redundant neighboring area.
  • the unique identifier information of the redundant neighboring zone obtained according to the preset rule is triggered.
  • the neighboring cell is adjacent.
  • the area relationship list has space to add the unique identification information of the unknown neighboring area, thereby updating the neighboring area relationship list.
  • the preset initial threshold is preset.
  • S301 Receive the unique identifier information of the unknown neighboring area sent by the terminal UE.
  • S302 Determine whether the number of configured neighboring cells is greater than or equal to the preset initial value threshold, and the number of configured neighboring cells is greater than the preset initial value.
  • the unknown neighboring cell with a higher frequency of use can be selected, which avoids adding too much redundant information in the neighboring cell relationship list, and improves the neighboring cell relationship column.
  • the information utilization rate in the table is further reduced by the redundant information in the neighbor relationship list, so that the neighbor relationship list configuration is more reasonable, the efficiency and success rate of the network switching are improved, and the call drop rate is reduced, thereby improving the household
  • the real-time parameter information of the neighbor relationship list is fully considered to be automatically set, and the technician is not required to manually set or update, thereby improving the working efficiency of the base station.
  • a second embodiment of the present application provides a base station, where the base station includes:
  • the receiving unit 401 is configured to receive the unique identification information of the unknown neighboring area sent by the terminal, and the statistic unit 402 is connected to the receiving unit, and is configured to collect the number of times the identification information is reported in a preset time period;
  • the determining unit 403 is connected to the statistical unit, and configured to determine whether the number of times of reporting is greater than an adding threshold, and obtain a first determining result;
  • the neighboring area management unit 404 is connected to the determination and comparison unit, and configured to receive the first determination result. If the first determination result is yes, update the neighbor relationship of the base station based on the unique identification information. List.
  • the neighboring cell management unit 404 is further configured to receive, by the determining, the comparing unit 403, whether the number of configured neighboring cells in the neighboring cell relationship list is equal to a maximum capacity neighbor of the neighboring cell relationship list. a third determination result obtained by the number of regions; if the third determination result is yes, obtaining a redundant neighboring cell from the neighbor relationship list according to a preset rule; deleting the Identification information of redundant neighbors.
  • the neighboring cell series table of the base station is updated based on the unique identifier information. The work process will not be described in detail.
  • the cell handover can be triggered in time to improve the efficiency and success rate of the network handover, and reduce the call drop rate, thereby improving the satisfaction of the user experience.
  • the neighbors with lower performance are automatically deleted according to the performance of the configured neighbors, so that other unknown neighbors can meet the update conditions.
  • the technical problem has reached the technical effect of optimizing the configuration of the neighborhood relationship.

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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 de mise à jour de relation de voisinage et une station de base, le procédé de mise à jour de relation de voisinage étant appliqué à une station de base tandis que la station de base peut communiquer sans fil avec un terminal. Le procédé consiste à : recevoir du terminal des informations d'identification unique au sujet d'un voisin inconnu ; acquérir la fréquence d'établissement de rapports sur le voisin inconnu au cours d'un premier cycle de temps prédéfini ; juger si la fréquence d'établissement de rapports est supérieure ou non à un seuil d'addition et obtenir un premier résultat de jugement ; et si le premier résultat de jugement est oui, mettre à jour la liste de relations de voisinage de la station de base sur la base des informations d'identification unique. Par le biais de l'obtention de la fréquence d'établissement de rapports des voisins inconnus : les voisins inconnus supérieurs au seuil d'addition sont filtrés ; la liste de relations de voisinage est mise à jour selon les informations d'identification unique au sujet des voisins inconnus ; les informations redondantes dans la liste de relations de voisinage sont réduites ; la configuration de la liste de relations de voisinage est optimisée ; et les taux d'efficacité et de succès de la commutation de réseau sont améliorés.
PCT/CN2013/082917 2012-10-10 2013-09-04 Procédé de mise à jour de relation de voisinage et station de base Ceased WO2014056373A1 (fr)

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CN201210381320.7 2012-10-10
CN2012103813207A CN103118402A (zh) 2012-10-10 2012-10-10 一种邻区关系更新方法及基站

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CN104427533B (zh) * 2013-09-04 2019-04-26 中国移动通信集团广东有限公司 一种邻区优化方法及装置
CN105578443A (zh) * 2014-10-09 2016-05-11 中兴通讯股份有限公司 邻区维护方法及装置
CN105792245A (zh) * 2014-12-22 2016-07-20 中兴通讯股份有限公司 邻区切换的调整方法及装置
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CN107222879B (zh) * 2016-03-22 2022-04-19 中兴通讯股份有限公司 一种邻区测量方法及装置
CN107426754B (zh) * 2016-05-24 2021-03-09 中国移动通信有限公司研究院 一种配置参数的校正方法和基站
CN107567040A (zh) * 2016-07-01 2018-01-09 中兴通讯股份有限公司 一种网络优化方法、核心网及基站
CN107682883B (zh) * 2017-10-19 2020-12-01 中国电信股份有限公司南京分公司 一种宏微协同邻区配置及优化方法
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