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Proximity based cell re-selection of private base stations with closed user groups

A dedicated base station and private cell technology, applied in the field of network nodes and user equipment

Inactive Publication Date: 2009-03-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, the background art solution presented above has the problem that a lot of idle mode detection and searching of private base stations and other signaling needs to be performed in order for the UE to only access private base stations for which it has permission
Different UEs have access rights to different private base stations, and only the information about the cells they can access is useful to UEs, so most of the information in signaling is useless to most UEs

Method used

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  • Proximity based cell re-selection of private base stations with closed user groups
  • Proximity based cell re-selection of private base stations with closed user groups
  • Proximity based cell re-selection of private base stations with closed user groups

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Embodiment Construction

[0038] In a system including a private base station, an effective process that can effectively handle the access of the UE to the private base station is required, especially the measurement and search of the private base station, and the processing of signaling in the network.

[0039] Document [1] indicates that some researchers have begun to study the requirements of dedicated base stations in LTE. Specifically, the requirements on idle mode mobility in document [1] are listed below.

[0040] I If a UE is not allowed to use a private base station covering a particular cell, UEs in LTE idle state should be prevented from accessing that particular cell.

[0041] II If the UE is not allowed to access a private base station covering a particular cell, it should be avoided that UEs in LTE idle state camp on the particular cell.

[0042] III If the UE is not allowed to access (access) a specific private base station, the number of measurements for the private base station by the ...

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Abstract

The method involves storing information related to a private base station and neighboring public cells by an user equipment (UE). Several private cells provided adjacent to the private base station are determined by the user equipment such that the cells adjacent to the private base station are provided with access rights. The private cell reselection search is performed by the user equipment, when the user equipment is in proximity to the private base station.

Description

technical field [0001] The invention relates to a method of a network node and a user equipment (UE) for UE-specific cell reselection in idle mode in a public network. The public network includes at least one public base station covering the public cell, and the UE can also communicate with the private network. The private network includes at least one private base station covering the private cell, and the access rights of the UE in the private network are limited. [0002] The invention also relates to a UE, a network node and a system for performing a reselection operation of a private cell by a UE in idle mode in a public network. The public network includes at least one public base station covering a public cell. The UE can also communicate with a private network, and the private network includes at least one private base station covering a private cell, and the access right of the UE in the private network is limited. [0003] The invention also relates to a computer p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W8/20H04W16/16H04W36/08H04W36/14H04W48/18H04W48/20H04W84/04H04W84/10
CPCH04W48/20H04W84/105H04J11/0069H04W84/045
Inventor 克里斯特·卡尔福特大卫·山德伯瑞亨里克·奥鲁佛松约翰·约翰松迈克尔·罗伯茨马丁·巴奎森
Owner HUAWEI TECH CO LTD
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