WO2008141563A1 - Procédé, terminal et système de sélection de cellule - Google Patents

Procédé, terminal et système de sélection de cellule Download PDF

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Publication number
WO2008141563A1
WO2008141563A1 PCT/CN2008/070950 CN2008070950W WO2008141563A1 WO 2008141563 A1 WO2008141563 A1 WO 2008141563A1 CN 2008070950 W CN2008070950 W CN 2008070950W WO 2008141563 A1 WO2008141563 A1 WO 2008141563A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
specific cell
cell
broadcast message
specific
Prior art date
Application number
PCT/CN2008/070950
Other languages
English (en)
Chinese (zh)
Inventor
Hao Wu
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008141563A1 publication Critical patent/WO2008141563A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/105—PBS [Private Base Station] network

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a method, a terminal, and a system for implementing cell selection. Background technique
  • PLMN public land mobile communication network
  • cell selection is mainly performed according to radio conditions, that is, signal quality or signal strength.
  • specific implementation of the selection is:
  • S criterion the criterion
  • a private cell such as a type of cell or a private network cell
  • such a private cell allows only a specific group of users to camp or access, and the terminal can preferentially camp in the private cell according to the network configuration or its own setting, thereby being in the cell.
  • the coverage of the private cell is relatively small, and the power of the macro cell is not strong, and correspondingly, the signal quality or the signal strength is not strong.
  • the selection method in the prior art is still adopted, and cell selection according to the cell signal quality or signal strength is likely to be due to the signal quality of the private cell or The signal strength is not strong in the macro cell, and the cell cannot be preferentially selected, so that the terminal cannot meet the network configuration or the setting of the user and is preferentially camped in the private cell, so that the purpose required for the cell selection cannot be achieved.
  • an object of the embodiments of the present invention is to provide a method, a terminal, and a system for implementing cell selection, so that the private cell can be preferentially selected according to the corresponding configuration even if the private cell and the macro cell coexist.
  • the embodiment of the present invention provides the following technical solutions:
  • a method for implementing cell selection comprising:
  • the terminal is triggered to perform cell selection
  • the terminal judges whether there is an indication to select a specific cell, and if so, preferentially selects a specific cell, otherwise, performs cell selection according to cell signal quality or signal strength.
  • a terminal for implementing cell selection comprising:
  • a storage unit configured to store specific cell information of the terminal
  • a determining unit configured to determine whether the specific cell information is stored in the storage unit when performing cell selection, and notifying the selection unit of the determination result
  • a selecting unit configured to preferentially select a specific cell according to the judgment result of the determining unit and the specific cell information stored by the storage unit, or perform cell selection according to signal quality or signal strength.
  • a terminal for implementing cell selection comprising: a broadcast message reading unit, configured to read a broadcast message on the network side;
  • An identifier unit configured to store a class identifier assigned to the terminal or an identifier corresponding to the class identifier
  • a determining unit configured to determine, according to the identifier stored in the identifier unit, whether the specific cell information of the terminal is included in the broadcast message, and notifying the selection unit of the determination result;
  • a selecting unit configured to preferentially select a specific cell according to the judgment result of the determining unit and the specific cell information in the broadcast message read by the broadcast message reading unit, or perform cell selection according to signal quality or signal strength.
  • a system for implementing cell selection includes a terminal and a network side device, where: the network side device is configured to: send a broadcast message, where the broadcast message includes specific cell information of different terminals;
  • the terminal is configured to: read a broadcast message sent by the network side device, determine whether the specific cell information of the terminal is included in the broadcast message, and preferentially select a specific cell according to the determination result, or perform cell selection according to signal quality or signal strength. .
  • the terminal can preferentially select the private cell to try to camp even if the private cell and the macro cell coexist, thereby ensuring that the corresponding service can be quickly and effectively implemented by the private cell, thereby facilitating the improvement of the private cell. Quality of service.
  • FIG. 3 is a schematic diagram of a terminal according to Embodiment 1 of the present invention.
  • Embodiment 4 is a flowchart of a method provided by Embodiment 2 of the present invention.
  • FIG. 5 is a schematic diagram of a terminal according to Embodiment 2 of the present invention.
  • the embodiment of the present invention provides a method, a terminal, and a system for implementing cell selection.
  • a terminal performs cell selection, it first determines whether there is an indication to select a specific cell, and if so, preferentially selects a specific cell according to the indication.
  • the private cell can be preferentially selected according to the network configuration or the setting of the terminal itself, and further the terminal can be camped in the preferentially selected private cell, thereby implementing The private cell obtains communication services.
  • a method for implementing an embodiment of the present invention includes the following steps:
  • Step 101 The terminal is triggered to perform cell selection.
  • the trigger mechanism is different according to the situation of the terminal.
  • the terminal currently performs the power-on operation and is triggered to perform cell selection. After the power-on, the terminal needs to select the PLMN first, and then specifically The subsequent cell selection step is performed; the other case is: when the terminal moves, and the cell reselection is required, the terminal is triggered to perform cell selection; for the convenience of description, in the following descriptions of the embodiments, the terminal performs The case of the booting operation is taken as an example.
  • the specific implementation of each embodiment of the present invention is similar to the specific implementation when the terminal is operated;
  • Step 1 02 The terminal determines whether there is an indication to select a specific cell, and if yes, performs step 103; otherwise, performs step 104;
  • Step 1 03 According to the indication of selecting a specific cell, the terminal preferentially selects a specific cell, and then ends the process;
  • Step 1 04 The terminal performs cell selection according to the cell signal quality or signal strength, and then ends the process.
  • the method further includes the following steps:
  • the terminal camps on the selected cell according to the result of the cell selection.
  • the indication to the specific cell may be implemented in different manners. In the following, the embodiments of the present invention are described in detail in conjunction with the different manners:
  • Embodiment 1 the terminal maintains and stores information of a specific cell.
  • the information of the specific cell is used as an indication for selecting a specific cell.
  • the embodiment specifically includes The following steps:
  • Step 201 The terminal is powered on, and the PLMN is selected.
  • Step 202 Determine whether the specific cell information is stored in the terminal, and if yes, determine that there is an indication that the current cell is selected to the specific cell, and perform step 203; otherwise, determine that there is no indication to select the specific cell, and perform step 204. ;
  • Step 203 Select a specific cell as a cell in which the terminal camps according to the indication of the selected specific cell and the information of the specific cell to be stored, and then end the process of cell selection.
  • a plurality of specific cell information may be stored in the terminal.
  • the selection of the specific cell may be performed according to the priority order of the specific cell information, or The signal quality and signal strength of the specific cell are measured, and the specific cell is selected according to the signal quality or the signal strength.
  • the specific cell may be selected from the specific cell according to the type of service requested by the user.
  • Other specific cell selection methods may be adopted, and these selection methods do not affect the implementation of the present invention.
  • Step 204 Since it has been determined in step 202 that there is no indication that a specific cell is currently selected, the cell selection is performed according to the signal quality or signal strength, and then the flow of the cell selection is ended.
  • the method provided in Embodiment 1 of the present invention may further include:
  • the maintenance includes: adding, deleting, and/or modifying specific cell information, so that the specific cell information stored in the terminal can be consistent with the actual cell planning situation.
  • the first embodiment of the present invention further provides a terminal for implementing cell selection, where the terminal includes:
  • the storage unit 301 is configured to store specific cell information of the terminal.
  • the determining unit 302 is configured to determine whether the specific cell information is stored in the storage unit 301 when the cell selection is performed, and notify the selecting unit 303 of the determination result;
  • the selecting unit 303 is configured to preferentially select a specific cell as a cell in which the terminal camps according to the judgment result of the determining unit 302 and the specific cell information stored in the storage unit 301, or perform cell selection according to signal quality or signal strength.
  • the terminal may further include a maintenance unit 304, configured to perform maintenance on specific cell information stored in the storage unit 301.
  • Embodiment 2 the terminal determines whether there is an indication to select a specific cell by reading the network broadcast information. Referring to FIG. 4, the embodiment specifically includes the following steps:
  • Step 401 The terminal is powered on, and the PLMN is selected;
  • Step 402 The terminal reads the broadcast message, and determines whether the specific cell information of the terminal is included in the broadcast message. If yes, it determines that there is an indication that the current cell is selected to the specific cell, and performs step 403; otherwise, it determines that the current non-existence exists.
  • the network side device always sends the broadcast message, and the broadcast message occupies a common channel, so that once the terminal is powered on or performs cell reselection,
  • the base station may be used as the network side device, and of course, other types of network side devices may also be used. Affecting the implementation of the present invention;
  • the broadcast message on the common channel is readable for the terminals in all the cells, but in actual applications, the specific cells preferentially selected by different terminals are different. For example, in a home cell scenario, only some terminals can camp and access the home cell, while other terminals are not allowed to camp. In an office cell scenario, only some of the corresponding terminals can be camped on and accessed. The office area, while others are not allowed to camp.
  • step 403 the terminal reads the specific cell information corresponding to the terminal in the broadcast message according to its own identifier or the corresponding identifier, and implements the determination.
  • different terminals since different terminals that are allowed to camp in the same cell usually have the same specific cell information in actual applications, different terminals may be classified based on the cell to which the terminal is allowed to be camped.
  • a class identifier is added to the specific cell information corresponding to the different cells, and corresponding to the different cell, the cell class identifier or the identifier corresponding to the cell that is allocated to the different terminals of the cell is uniformly allocated according to the foregoing classification result.
  • Corresponding identifiers such that the terminal can read the specific cell information of the category to which the terminal belongs according to the class identifier or the corresponding identifier.
  • the terminal reads the specific cell information corresponding to the cell in the broadcast message that allows the terminal to camp according to the class identifier or the corresponding identifier that is allocated by the terminal, and implements the determination.
  • the terminal is correspondingly assigned a class identifier or a corresponding identifier corresponding to multiple cells, so that different categories belonging to the broadcast message can be read from the broadcast message.
  • Specific cell information corresponding to the cell is correspondingly assigned a class identifier or a corresponding identifier corresponding to multiple cells, so that different categories belonging to the broadcast message can be read from the broadcast message.
  • Step 403 Select a specific cell as a cell in which the terminal camps according to the indication of the selection to the specific cell and the specific cell information of the terminal in the broadcast message, and then end the process of cell selection.
  • step 403 if the terminal can read the specific cell information from the broadcast message according to the class identifier or the corresponding identifier that is allocated by the terminal, the terminal may also be similar to step 203, according to the specific cell.
  • the priority order of the information is used to select a specific cell, or the signal quality and signal strength of the specific cells are measured, the specific cell is selected according to the signal quality or the signal strength, or, according to the type of service requested by the user, Selecting a suitable specific cell from the above specific cells, and of course, may also include other specific cell selection methods. None of the choices affect the implementation of the invention.
  • Step 404 Since it has been determined in step 402 that there is currently no indication to select a specific cell, the cell selection is performed according to the signal quality or signal strength, and then the process of cell selection is ended.
  • the method provided in the first embodiment of the present invention may further include a maintenance operation, which may specifically be:
  • the second embodiment of the present invention further provides a terminal for implementing cell selection, where the terminal includes:
  • a broadcast message reading unit 501 configured to read a broadcast message on the network side
  • the identifying unit 502 is configured to store a class identifier assigned to the terminal or an identifier corresponding to the class identifier;
  • the determining unit 503 is configured to determine, according to the identifier stored in the identifier unit, whether the specific cell information of the terminal is included in the broadcast message, and notify the selection unit 504 of the determination result, and the selecting unit 504 is configured to use the determining unit 503.
  • the result of the judgment and the specific cell information in the broadcast message read by the broadcast message reading unit 501 preferentially select a specific cell as a cell in which the terminal camps, or perform cell selection according to signal quality or signal strength.
  • the terminal may further include a maintenance unit 505, configured to add, delete, and/or modify a class identifier stored in the identifier unit 502 or an identifier corresponding to the class identifier, and in this manner, the terminal can be read and read.
  • the specific cell information is such that the cell situation in which the terminal can camp is consistent with the actual cell planning situation.
  • the embodiment of the present invention further provides a system for implementing cell selection, where the system includes a network side device and a terminal, where:
  • the network side device is configured to: send a broadcast message, where the broadcast message includes specific cell information of different terminals; the network side device may be a base station, or may be another type of network side device capable of implementing the foregoing functions;
  • the terminal is configured to: read a broadcast message sent by the network side device, determine whether the specific cell information of the terminal is included in the broadcast message, and preferentially select a specific cell as a terminal camped cell according to the determination result or according to signal quality or signal strength Make a cell selection.
  • the system may further include:
  • the maintenance device is configured to add, delete, and/or modify specific cell information of the terminal in the broadcast message, so that the information can be consistent with the actual cell planning situation.
  • the method further includes the following steps:
  • the terminal attempts to camp in the specific cell that is preferentially selected. If the camping is successful, the process ends. If the camping fails, it is determined whether there are other specific cells that can be camped. If yes, continue to try to camp on the other cell. For a particular cell to camp, if there is no or attempt to camp to the other specific cell that can be camped, the cell selection is based on signal quality or signal strength.
  • the specific cell is a private cell such as a home cell or a private network cell. In other embodiments of the present invention, other types of cells may be used as needed. As the specific cell, the implementation of the present invention is not affected.

Abstract

L'invention concerne un procédé, un terminal et un système de sélection de cellule. Ledit procédé consiste à déclencher un terminal pour réaliser une sélection de cellule. Le terminal détermine s'il existe une indication de sélection d'une cellule spécifique ; sélectionne d'abord la cellule spécifique si ladite indication existe, sinon sélectionne une cellule conformément à une qualité de signal ou à une intensité de signal de la cellule. En cas de coexistence d'une cellule privée et d'une macro cellule, le présent procédé permet au terminal de sélectionner d'abord une cellule spécifique pour résider conformément à une configuration précédente ou aux exigences d'un utilisateur.
PCT/CN2008/070950 2007-05-18 2008-05-13 Procédé, terminal et système de sélection de cellule WO2008141563A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710074400.7 2007-05-18
CNA2007100744007A CN101309499A (zh) 2007-05-18 2007-05-18 实现小区选择的方法、终端及系统

Publications (1)

Publication Number Publication Date
WO2008141563A1 true WO2008141563A1 (fr) 2008-11-27

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WO (1) WO2008141563A1 (fr)

Cited By (1)

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JP2013520851A (ja) * 2010-01-12 2013-06-06 ▲ホア▼▲ウェイ▼技術有限公司 異種ネットワークのセルを選択するための方法およびユーザ機器（ｕｅ）

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US8971888B2 (en) * 2008-03-21 2015-03-03 Qualcomm Incorporated Cell selection and reselection in deployments with home nodeBs
US8433317B2 (en) 2008-11-27 2013-04-30 Htc Corporation Method of controlling home cell selection for a wireless communication system and related device
US8666410B2 (en) 2008-09-22 2014-03-04 Htc Corporation Method of controlling cell selection for a wireless communication system and related device
CN101772107B (zh) * 2008-12-31 2013-06-05 中兴通讯股份有限公司 小区重选方法及用户设备
CN101772118B (zh) * 2008-12-31 2013-08-07 华为技术有限公司 小区重选方法和装置
CN101772101B (zh) * 2009-01-05 2015-07-22 中兴通讯股份有限公司 终端扫描仔基站的方法、无线通信系统、终端、及基站
CN101784102B (zh) * 2009-01-21 2016-02-24 中兴通讯股份有限公司 家庭基站小区中移动终端小区选择的方法
CN101841871A (zh) * 2009-03-17 2010-09-22 中兴通讯股份有限公司 基于家庭基站小区的小区重选方法与装置
CN102308621A (zh) * 2009-04-30 2012-01-04 华为技术有限公司 一种小区重选方法、终端及通信系统
CN103220713B (zh) * 2013-03-29 2016-08-03 华为终端有限公司 一种接入小区的方法及装置
CN108507122B (zh) * 2017-02-28 2021-11-16 大金工业株式会社 空调及其数据发送方法
KR20210102433A (ko) 2018-12-19 2021-08-19 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 셀 선택 또는 재선택 방법 및 장치, 단말
CN111836322B (zh) * 2019-06-05 2023-04-28 北京骑胜科技有限公司 一种共享设备的通信方法、装置、设备及介质

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Also Published As

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