WO2009086787A1 - Procédé et système pour notifier un type de cellule basé sur le système lte - Google Patents

Procédé et système pour notifier un type de cellule basé sur le système lte Download PDF

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Publication number
WO2009086787A1
WO2009086787A1 PCT/CN2008/073894 CN2008073894W WO2009086787A1 WO 2009086787 A1 WO2009086787 A1 WO 2009086787A1 CN 2008073894 W CN2008073894 W CN 2008073894W WO 2009086787 A1 WO2009086787 A1 WO 2009086787A1
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WO
WIPO (PCT)
Prior art keywords
base station
information
cell
request message
serving cell
Prior art date
Application number
PCT/CN2008/073894
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English (en)
Chinese (zh)
Inventor
Yin Gao
Original Assignee
Zte Corporation
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 Corporation filed Critical Zte Corporation
Priority to CN2008801086483A priority Critical patent/CN101810034B/zh
Publication of WO2009086787A1 publication Critical patent/WO2009086787A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the field of communications, and in particular, to a cell type notification method and system based on a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • a Long Term Evolution (LTE) network is composed of an E-UTRAN (Evolved Universal Terrestrial Radio Access Network), an Evolved NodeB (eNB), and an evolved packet switching.
  • the center (Evolved Packet Core, referred to as EPC) is composed.
  • FIG. 1 is a schematic structural diagram of an LTE network. As shown in FIG. 1, the E-UTRAN includes a set of eNBs connected to an EPC through an S1 interface, and eNBs can be connected through X2. Among them, Sl and X2 are interfaces.
  • One EPC can manage one or more eNBs, and one Node B can also be controlled by multiple EPCs, and one eNB can manage one or more cells.
  • building and operating a network requires a lot of work, such as planning, configuring, optimizing, calculating, adjusting, testing, preventing errors, reducing failures, self-healing, etc. Operators need to reduce operating and maintenance costs.
  • users need to streamline the usage process, for example, Home Node B (home Node B) device, the product that the user wants to purchase is a plug-and-play device that can automatically obtain configuration operation upon power-on.
  • the next trend of The Nest Generation Network (NGN) is self-configuration, self-optimization, and self-adaptation.
  • the influence of human factors on the network is getting smaller and smaller. Therefore, the industry has proposed the concept of self-organizing network.
  • the organization network includes both self-configuration and self-optimization. Since the neighbor list has a great influence on the handover, the neighbor list is generated as a self-configuration content, and the purpose is to improve the handover quality, so that the network performance is timely matched with the network change.
  • the base station sends an X2 setup request message to the neighboring base station, and if the base station that receives the message successfully processes, the X2 setup response message is returned, otherwise, Reply X2 to establish a failure response.
  • the establishment request message includes information about all serving cells under the base station, and specifically includes a cell physical identifier, a global identifier, TAI, broadcast PLMN (Public Land Mobile Network), frequency and other information.
  • the cell type is more extensive, and broadly includes a macro-cell, a micro-cell, a PICO cell, an LTE home base station cell, a FEMITO cell, etc., but in the existing protocol
  • the cell feature can also be described in more detail. For example, the cell coverage, the mobility indicator required by LTE will be fully guaranteed in the cell covered by the radius of 5 kilometers.
  • the above indicator band When the cell radius is increased to 30 kilometers, only the above indicator band to slightly weaken, it is necessary to support mobile subscriber services with a cell coverage of more than 100 kilometers; for example, cell priority, user handover/cell reselection, preferentially select a cell with a higher priority, such as a cell sector, defined in the protocol
  • a cell with a higher priority such as a cell sector, defined in the protocol
  • One station of a macro cell contains three sectors (3 sectors per site), and one station of a cell contains one sector (1 sectors per site); all cell attributes that can distinguish cell types can be used to indicate different cell types.
  • different handover policies are used for different types of cell handover. Therefore, it is necessary to maintain the cell type in the neighbor list, and the cell information notification in the X2 establishment process has a larger neighbor list. Impact.
  • a cell type notification method based on an LTE system is provided, which is used to perform a cell after a neighboring or adjacent first base station and a second base station establish a transport layer link.
  • Type of notification wherein the first base station and the second base station can connect via the X2 connection.
  • the LTE system-based cell type notification method includes the following process:
  • the first base station sends an X2 setup request message to the second base station, where the X2 setup request message carries the service of the one or more serving cells of the first base station
  • the cell information, and the cell information includes cell type information
  • the second base station receives the X2 setup request message, and saves the cell information carried in the X2 setup request message.
  • the method further includes: the second base station establishing and/or maintaining a neighbor list according to the serving cell information, and recording each service in the neighbor list Cell type information of the cell.
  • the method further includes: the second base station processing the X2 setup request message, and if the processing is successful, returning the X2 setup response message, where the X2 setup response message is carried
  • the serving cell information of the one or more serving cells of the second base station, and the cell type information can be included in the serving cell information; in the case of the processing failure, the X2 establishment failure message is returned.
  • the method may further include: receiving, by the first base station, an X2 setup response message, and saving the serving cell information carried in the X2 setup response message.
  • an LTE-based cell type notification system including a first base station and a second base station that are connectable through an X2 interface.
  • the first base station is configured to send an X2 setup request message to the second base station after establishing the transport layer link, where the X2 setup request message carries one of the first base stations Or the serving cell information of the multiple serving cells, and the serving cell information includes the cell type information;
  • the second base station is configured to receive the X2 setup request message of the first base station, and save the serving cell information carried in the X2 setup request message.
  • the second base station is further configured to process the X2 setup request message, and if the process is successful, return an X2 setup response message to the first base station, where the X2 setup response message carries one of the second base stations or
  • the serving cell information of the plurality of serving cells, and the serving cell information can include ' ⁇ !, zone type information.
  • the first base station/second base station is further configured to establish and/or maintain a neighbor list according to the serving cell information, and record cell type information of each service d and the area in the neighbor list.
  • FIG. 1 is a schematic diagram of an LTE network structure according to the related art
  • FIG. 2 is a flowchart of a LTE-based cell type notification method according to an embodiment of the method of the present invention
  • FIG. 4 is a detailed processing flowchart of an example of a LTE-based cell type notification method according to an embodiment of the method of the present invention
  • FIG. 5 is a LTE-based system according to an embodiment of the present invention. Schematic diagram of the cell type notification system.
  • the switching principles between different types of cells are different, and even switching between cells of the same type is performed.
  • the embodiments of the present invention provide a method and a system for cell type notification based on an LTE system, which can notify a cell type in the process of establishing a cell, so that the cell type can be maintained in the neighbor list, compared to the present
  • the technical solution provided by the embodiment of the present invention makes the information maintained by the neighbor list more comprehensive, thereby facilitating the handover decision, and improving the handover success rate. Less operator operation and maintenance costs.
  • FIG. 2 is a flowchart of a LTE-based cell type notification method according to an embodiment of the present invention. As shown in FIG.
  • the LTE system-based cell type notification method includes the following processing (step S202- Step S204):
  • the serving cell information of the serving cell, and the cell information includes the cell type information.
  • the second base station receives the X2 setup request message, and saves the serving cell information carried in the X2 setup request message for switching.
  • Table 1 below shows a serving cell information structure according to the related art
  • Table 2 below shows a serving cell information structure according to an embodiment of the present invention.
  • Macro cell Macro cell, micro cell, PICO cell, cell type M FEMITO cell, etc.
  • the cells in Table 1 include cell physical identifier, global identifier, TAI, broadcast PLMN, frequency, etc.
  • the cell of the cell type is further added to the cell information of the embodiment of the present invention, and the value range is a macro cell, a micro cell, a PICO cell, a FEMITO cell, and the like.
  • the neighboring cell list may be established and/or maintained according to the serving cell information, and the cell of each serving cell is recorded in the neighboring cell list.
  • the type information in this way, in the subsequent terminal handover process, the information can be combined with the information to select a suitable target cell for the terminal.
  • the X2 setup request message is processed.
  • the second base station returns an X2 Setup Response message (corresponding to 302 in FIG. 3), where the X2 setup response message may carry one or more of the second base station.
  • the serving cell information of the serving cell, and the cell type information can be included in the serving cell information.
  • the first base station may save the serving cell information carried in the X2 setup response message, and establish and/or maintain a neighbor list according to the serving cell information, and record each in the neighbor list.
  • Cell type information of the serving cell The serving cell information in the X2 setup response message mentioned here also adopts the structure shown in Table 2.
  • the second base station returns an X2 Setup Failure message (corresponding to 303 in Fig. 3).
  • the invention can be better understood by combining the following examples. It is assumed that there are two base stations that have established a transport layer link, such as eNB 1 (first base station) and eNB 2 (second base station), and FIG.
  • Step S402 After the transport layer is established, the eNB1 initiates X2 Setup to the neighboring eNB2.
  • Step S404 The eNB2 receives the X2 Setup Request message, performs X2 interface establishment processing, and carries the X2 Setup Request message.
  • the serving cell information of the eNB1 is stored locally, and is used for generating and maintaining the neighboring cell list, where each cell has corresponding cell type information in the neighboring cell list; if the processing is successful, the process proceeds to step S406, otherwise, Go to step S408;
  • FIG. 5 is a schematic structural diagram of an LTE-based cell type notification system according to an embodiment of the present invention.
  • the system includes a first base station 502 and a second base station 504 that are connectable over an X2 interface.
  • the first base station 502 is configured to send an X2 setup request message to the second base station 504 after establishing the transport layer link, where the X2 setup request message carries the first The serving cell information of the one or more serving cells of the base station 502, and the cell type information is included in the serving cell information.
  • the second base station 504 is configured to receive the X2 setup request message of the first base station 502, and save the X2 setup request message. Service cell information.
  • the second base station 504 is further configured to process the ⁇ 2 setup request message, and if the processing is successful, return a ⁇ 2 setup response message to the first base station 502, where the ⁇ 2 setup response message carries the second base station 504.
  • the serving cell information of one or more serving cells, and the service 'j, the area information can include cell type information.
  • the first base station 502 / the second base station 504 is further configured to establish and/or maintain a neighbor list according to the serving cell information, and record cell type information of each serving cell in the neighbor list.
  • the cell type information is notified in the X2 establishment process, and the cell type information is maintained in the neighbor list, so that the information maintained by the neighbor list is more comprehensive, so that the cell type information can be used as the UE.
  • Select a suitable handover target cell to implement handover decision optimization, improve handover success rate, and reduce operator operation and maintenance costs.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Abstract

L'invention porte sur un procédé et un système pour notifier un type de cellule basé sur le système LTE. Dans ce procédé, une première station de base (BS) envoie un message de requête d'établissement X2 qui contient des informations de cellule de desserte d'une ou plusieurs cellules de desserte de la première BS à une seconde BS, les informations de cellule de desserte comprenant des informations de type de cellule ; la seconde BS reçoit le message de requête d'établissement X2, et stocke les informations de cellule de desserte contenues dans le message de requête d'établissement X2.
PCT/CN2008/073894 2008-01-02 2008-12-31 Procédé et système pour notifier un type de cellule basé sur le système lte WO2009086787A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008801086483A CN101810034B (zh) 2008-01-02 2008-12-31 基于长期演进系统的小区类型通知方法及系统

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PCT/CN2008/000007 WO2009082860A1 (fr) 2008-01-02 2008-01-02 Procédé et système d'informations de type de cellule basé sur un système lte
CNPCT/CN2008/000007 2008-01-02

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PCT/CN2008/073894 WO2009086787A1 (fr) 2008-01-02 2008-12-31 Procédé et système pour notifier un type de cellule basé sur le système lte

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WO2011020388A1 (fr) * 2009-08-21 2011-02-24 中兴通讯股份有限公司 Procédé et système de commande de type de transfert intercellulaire pour stations de rattachement
CN102006632A (zh) * 2009-09-03 2011-04-06 中兴通讯股份有限公司 一种家用基站的切换类型控制方法和系统
CN102111833A (zh) * 2010-02-04 2011-06-29 电信科学技术研究院 一种配置信息获取的方法及基站
CN102638834A (zh) * 2011-02-10 2012-08-15 中兴通讯股份有限公司 跨网络节点的邻区关系管理方法及装置
WO2012106899A1 (fr) * 2011-07-18 2012-08-16 华为技术有限公司 Procédé, dispositif et système de transmission de données
CN103718580A (zh) * 2013-06-28 2014-04-09 华为技术有限公司 链路建立方法、装置及系统
CN105247917A (zh) * 2013-07-05 2016-01-13 富士通株式会社 参数获取方法、参数优化方法及其装置、系统

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CN102045660B (zh) * 2009-10-22 2014-06-11 华为技术有限公司 信息交互方法、系统、基站和网络实体
CN102176781A (zh) * 2011-01-07 2011-09-07 电信科学技术研究院 一种信息获取方法及装置
CN102421145B (zh) * 2011-11-24 2015-02-04 中国联合网络通信集团有限公司 基站间数据直通方法及系统
WO2012092858A2 (fr) * 2012-01-04 2012-07-12 华为技术有限公司 PROCÉDÉ, SYSTÈME ET eNB POUR ÉTABLIR UN CANAL X2 SÉCURISÉ
CN102724651B (zh) * 2012-06-05 2015-02-04 中国联合网络通信集团有限公司 数据直通处理方法、设备和系统
CN108632843A (zh) * 2017-03-24 2018-10-09 电信科学技术研究院 一种基站间接口建立的方法、第一基站及第二基站
CN107094309B (zh) * 2017-03-29 2020-02-07 安科讯(福建)科技有限公司 一种配置邻区的方法及系统
CN111356164A (zh) * 2018-12-21 2020-06-30 海能达通信股份有限公司 一种lte网络中邻区配置纠错方法、相关设备及系统

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011020388A1 (fr) * 2009-08-21 2011-02-24 中兴通讯股份有限公司 Procédé et système de commande de type de transfert intercellulaire pour stations de rattachement
CN101998535A (zh) * 2009-08-21 2011-03-30 中兴通讯股份有限公司 一种家用基站的切换类型控制方法和系统
CN102006632A (zh) * 2009-09-03 2011-04-06 中兴通讯股份有限公司 一种家用基站的切换类型控制方法和系统
CN102006632B (zh) * 2009-09-03 2014-04-09 中兴通讯股份有限公司 一种家用基站的切换类型控制方法和系统
CN102111833A (zh) * 2010-02-04 2011-06-29 电信科学技术研究院 一种配置信息获取的方法及基站
WO2011095127A1 (fr) * 2010-02-04 2011-08-11 电信科学技术研究院 Procédé d'acquisition d'informations de configuration et station de base
CN102638834A (zh) * 2011-02-10 2012-08-15 中兴通讯股份有限公司 跨网络节点的邻区关系管理方法及装置
CN102638834B (zh) * 2011-02-10 2016-12-28 中兴通讯股份有限公司 跨网络节点的邻区关系管理方法及装置
WO2012106899A1 (fr) * 2011-07-18 2012-08-16 华为技术有限公司 Procédé, dispositif et système de transmission de données
CN103718580A (zh) * 2013-06-28 2014-04-09 华为技术有限公司 链路建立方法、装置及系统
CN105247917A (zh) * 2013-07-05 2016-01-13 富士通株式会社 参数获取方法、参数优化方法及其装置、系统

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Publication number Publication date
CN101810034A (zh) 2010-08-18
CN101810034B (zh) 2012-08-08
CN101836477A (zh) 2010-09-15
CN101836477B (zh) 2013-08-21
WO2009082860A1 (fr) 2009-07-09

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