WO2010083701A1 - Procédé et dispositif pour sélectionner une cellule - Google Patents

Procédé et dispositif pour sélectionner une cellule Download PDF

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Publication number
WO2010083701A1
WO2010083701A1 PCT/CN2009/075348 CN2009075348W WO2010083701A1 WO 2010083701 A1 WO2010083701 A1 WO 2010083701A1 CN 2009075348 W CN2009075348 W CN 2009075348W WO 2010083701 A1 WO2010083701 A1 WO 2010083701A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
cell
home base
mode information
current mode
Prior art date
Application number
PCT/CN2009/075348
Other languages
English (en)
Chinese (zh)
Inventor
支周
吴昊
王亚英
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2010083701A1 publication Critical patent/WO2010083701A1/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
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • 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]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

Definitions

  • the present invention relates to a home base station cell attribute notification method and apparatus, and a cell selection method and apparatus based on a home base station cell attribute notification technique. Background technique
  • the home base station is highly appreciated and favored by operators and equipment manufacturers at home and abroad.
  • the home base station can solve the indoor coverage problem quickly and at low cost, providing users with high-speed data services and reducing the load of the macro base station.
  • it also realizes the combination of fixed service and mobile service, which will make mobile communication
  • the family market has grown considerably.
  • the home base station is a small, low-power base station that is a dedicated resource for private users. It is mainly deployed and used in indoor places such as homes, schools, companies, and small group areas.
  • a process of cell reselection needs to be performed.
  • the mobile terminal needs to measure the signal strength of the neighboring cell first, and then sort the cells according to parameters such as the signal strength of the neighboring cell and the specific cell offset value, and finally select according to certain criteria.
  • a cell performs cell reselection.
  • Home base station cell is a closed subscriber group
  • CSG Closed Subscriber Group
  • a type of cell which is divided into a closed CSG cell and an open CSG cell.
  • a closed home base station cell is used to provide services to a specific group of users. That is to say, only the mobile terminal belonging to the specific user group can access the home base station and the area, and the mobile terminal itself saves an identifier list of the accessible CSG cell, which is used to determine which CSG cells are accessible. of.
  • the open CSG cell does not restrict access to the user group, and allows all users who can search for the cell to access. It can be understood as a small-scale common cell, but the charging policy is different from that of the ordinary cell.
  • the area can provide users with richer services and more favorable tariffs. Therefore, in a mobile communication network in which a home base station cell is configured, when selecting a reselected cell, the mobile terminal should preferentially reselect to a home base station cell that can be used.
  • the main object of the present invention is to provide a cell selection method and apparatus, and a method and apparatus for notifying a cell of a home base station, which can provide a better network access service for the mobile terminal.
  • a cell selection method includes:
  • the current mode information of the home base station cell is received on the core network
  • the core network broadcasts current mode information of the home base station cell in all macro base station cells or encapsulates current mode information of the home base station cell in data signaling to notify the mobile terminal;
  • the mobile terminal receives the current mode information of the home base station cell, and when determining to be in the open mode, searches for the neighboring home base station cell and the macro base station cell, and selects the camped cell among the searched cells.
  • the data signaling is control signaling.
  • a cell selection device includes:
  • a mode information reporting unit configured to notify the core network of the current mode information of the home base station cell after the mode conversion of the home base station powering or the home base station cell;
  • a mode information notification unit configured to broadcast current mode information of the home base station cell in all macro base station cells of the core network or to encapsulate the current mode information of the home base station cell in data signaling to notify the mobile terminal;
  • a cell search unit configured to receive current mode information of a home base station cell, and when determining to be in an open mode, searching for a neighboring home base station cell and a macro base station cell;
  • a cell selection unit configured to select a camped cell in the searched cell.
  • the cell selection unit selects a camped cell, and is specifically selected according to at least one of a signal strength of the searched cell, a carrier-to-interference ratio of the channel, and a distance between the mobile terminal and the base station.
  • the data signaling is control signaling.
  • a method for notifying a cell attribute of a home base station includes:
  • the mode of the home base station cell includes an open mode and a closed mode.
  • a notification device for a cell of a home base station comprising:
  • a mode information reporting unit configured to: switch the current mode information of the home base station cell to the core network after the mode conversion of the home base station powering or the home base station cell;
  • the mode information of the home base station cell is reported to the core network, and the core network notifies the mobile terminal of the mode information of the home base station area by the macro base station cell.
  • the mobile terminal selects the home base station cell as the selection target when performing cell selection.
  • the home base station of the present invention can provide services to mobile terminal users at a lower cost, while also reducing the load on the macro base station cell.
  • FIG. 1 is a schematic flowchart of a method for notifying a cell of a home base station according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for selecting a cell based on a notification method according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a cell of a home base station according to an embodiment of the present invention. Schematic diagram of the composition of the notification device;
  • FIG. 1 is a schematic flowchart of a method for notifying a cell of a home base station according to an embodiment of the present invention. As shown in FIG. 1 , a method for notifying a cell attribute of a home base station according to an embodiment of the present invention includes:
  • Step 101 After the home base station is powered on or the mode of the home base station cell is switched, the home base station reports the current mode information of the cell to the core network.
  • the user can set the cell mode of the home base station according to the need: an open or closed mode, wherein in the open mode, the legitimate user of the network can use the coverage area of the home base station cell.
  • the home base station but in the closed mode, the home base station only provides access services to those subscribed mobile terminals.
  • the cell mode of the home base station is indicated by setting special identification information, such as indicating the cell mode of the home base station by a one-bit character, for example: "0" identifies the closed mode, " ⁇ identifies the open mode; may also use” 0" identifies the open mode and "1" identifies the closed mode.
  • the home base station After determining that the home base station is powered on again, or the mode of the home base station cell is switched during use, the home base station needs to report the mode information of the current home base station cell to the core network.
  • the specific reporting process is: the home base station first sends the mode information of the current home base station cell to the home base station gateway, and the home base station gateway forwards the mode information of the home base station cell to the core network through the Internet.
  • Step 102 The core network broadcasts current mode information of the home base station cell in all macro base station cells or encapsulates current mode information of the home base station cell in data signaling to notify the mobile terminal.
  • Step 202 The core network broadcasts current mode information of the home base station cell in all macro base station cells or encapsulates current mode information of the home base station cell in data signaling to notify the mobile terminal.
  • steps 201 and 202 are completely the same as the implementation manners of steps 101 and 102, and details are not described herein again.
  • Step 203 The mobile terminal receives the current mode information of the home base station cell, and when determining to be in the open mode, searches for the neighboring home base station cell and the macro base station cell, and selects the camped cell among the searched cells.
  • the mobile terminal After receiving the open mode home base station cell notified by the core network, the mobile terminal searches for a neighboring cell including the home base station cell when the cell handover is performed during the restart or the mobile process. After the search succeeds, the searched The neighboring cell performs cell signal strength measurement and the carrier of the channel And calculating the distance between the mobile terminal and the base station, according to at least one of the foregoing measurement and calculation results, as a basis for cell selection, specifically, the condition of the cell selection may be set in the mobile terminal according to the foregoing measurement and calculation result, thereby Choose a better cell to camp on. If the signal strength of the home base station cell and the macro base station cell, the carrier-to-interference ratio of the channel, and the like are equivalent, the home base station cell is selected to camp. Those skilled in the art should understand that the conditions of cell selection can be set according to a specific network environment.
  • FIG. 3 is a schematic structural diagram of a device for notifying a cell of a home base station according to an embodiment of the present invention.
  • the device for notifying a cell of a home base station according to an embodiment of the present invention includes a mode information reporting unit 30 and a mode information notification unit 31.
  • the mode information reporting unit 30 is configured to report the current mode information of the home base station cell to the core network after the mode conversion of the home base station or the home base station cell.
  • the mode information notification unit 31 is configured to broadcast current mode information of the home base station cell in all macro base station cells of the core network or encapsulate the current mode information of the home base station cell in data signaling to notify the mobile terminal.
  • FIG. 4 is a schematic structural diagram of a cell selection device based on a notification device according to an embodiment of the present invention. As shown in FIG. 4, this embodiment is implemented based on the notification device of the cell site attribute of the home base station shown in FIG.
  • the notification device-based cell selection device includes a mode information reporting unit 40, a mode information notification unit 41, a cell search unit 42, and a cell selection unit 43, wherein the mode information reporting unit 40 and the mode information notification unit 41 are respectively associated with FIG.
  • the mode information reporting unit 30 and the mode information notification unit 31 are identical.
  • the cell search unit 42 is configured to receive current mode information of the home base station cell, and when it is determined to be in the open mode, the search phase is Neighboring home base station cells and macro base station cells.
  • the cell selection unit 43 is configured to select a camped cell among the searched cells. It should be understood by those skilled in the art that the cell selection device based on the notification device in the embodiment of the present invention is designed to implement the foregoing cell selection method based on the notification method.
  • the implementation functions of the cell search unit 42 and the cell selection unit 43 can be referred to FIG. It is understood from the related description in the illustrated method that the functions of the above two processing units can be implemented by software running on the processor or by corresponding logic circuits.

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

Abstract

L'invention concerne un procédé pour sélectionner une cellule, comprenant un procédé destiné à renseigner un attribut d'une cellule d'eNoeudB domestique et comprend les étapes suivantes : une fois que l'eNoeudB domestique est électrifié ou qu'un mode de la cellule d'eNoeudB domestique est transformé, l'eNoeudB domestique signale les informations de mode actuel de la cellule d'eNoeudB domestique à un réseau d'infrastructure ; et le réseau d'infrastructure diffuse les informations de mode actuel de la cellule d'eNoeudB domestique dans toutes les cellules d'eNoeudB macros ou encapsule les informations de mode actuel de la cellule d'eNoeudB domestique dans une signalisation de données destinée à informer un terminal mobile ; le terminal mobile reçoit les informations de mode actuel de la cellule d'eNoeudB domestique, recherche la cellule d'eNoeudB domestique adjacente et la cellule d'eNoeudB macro lors de la détermination comme mode d'ouverture, et sélectionne une cellule résidente parmi les cellules recherchées. L'invention concerne également un dispositif pour sélectionner une cellule, et un procédé et un dispositif pour informer que les attributs de la cellule d'eNoeudB domestique sont décrits dans l'invention en même temps. L'invention peut obtenir le service avec un coût plus faible et peut réduire la charge de la cellule d'eNoeudB macro.
PCT/CN2009/075348 2009-01-21 2009-12-07 Procédé et dispositif pour sélectionner une cellule WO2010083701A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910076799.1A CN101784088B (zh) 2009-01-21 2009-01-21 小区选择方法与装置
CN200910076799.1 2009-01-21

Publications (1)

Publication Number Publication Date
WO2010083701A1 true WO2010083701A1 (fr) 2010-07-29

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PCT/CN2009/075348 WO2010083701A1 (fr) 2009-01-21 2009-12-07 Procédé et dispositif pour sélectionner une cellule

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WO (1) WO2010083701A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9107056B2 (en) * 2012-04-18 2015-08-11 Qualcomm Incorporated Small cell activation procedure
CN104955112A (zh) * 2014-03-31 2015-09-30 中国电信股份有限公司 小小区的服务指示方法和系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101299870A (zh) * 2007-04-30 2008-11-05 华为技术有限公司 接入私有基站的控制方法、系统及装置
CN101321372A (zh) * 2007-06-08 2008-12-10 中兴通讯股份有限公司 一种改善私有小区接入控制的方法及基站
CN101330722A (zh) * 2007-06-18 2008-12-24 华为技术有限公司 一种小区接入控制方法以及用户设备

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AU8458298A (en) * 1997-07-11 1999-02-08 Nortel Networks Corporation Method and apparatus for switching between public macrocellular telephone systemand private microcellular telephone system
CN101136826B (zh) * 2007-09-30 2011-01-05 中兴通讯股份有限公司 一种通过核心网控制终端接入家庭基站覆盖区域的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101299870A (zh) * 2007-04-30 2008-11-05 华为技术有限公司 接入私有基站的控制方法、系统及装置
CN101321372A (zh) * 2007-06-08 2008-12-10 中兴通讯股份有限公司 一种改善私有小区接入控制的方法及基站
CN101330722A (zh) * 2007-06-18 2008-12-24 华为技术有限公司 一种小区接入控制方法以及用户设备

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CN101784088A (zh) 2010-07-21
CN101784088B (zh) 2015-01-28

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