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Cell reselection method and equipment

A cell reselection and cell technology, which is applied in the field of communication and can solve the problems of frequent changes of the highest ranking cell and high power consumption of terminal equipment.

Active Publication Date: 2020-05-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it takes seconds to complete a cell reselection, and through field tests, it is found that the highest ranked cell changes very frequently
Then, the cell that was originally prohibited from access may still be prohibited from accessing after being re-included in the cell reselection candidate list of the terminal device in the process of re-participating in cell reselection, but the terminal device still needs to These cells are verified, which leads to a large power consumption of the terminal equipment

Method used

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  • Cell reselection method and equipment
  • Cell reselection method and equipment
  • Cell reselection method and equipment

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Embodiment Construction

[0093] In order to make the purpose, technical solutions, and advantages of the embodiments of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0094] In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.

[0095] 1) Terminal equipment, including equipment that provides voice and / or data connectivity to users, for example, may include a handheld device with a wireless connection function, or a processing device connected to a wireless modem. The terminal device may communicate with the core network via a radio access network (radio access network, RAN), and exchange voice and / or data with the RAN. The terminal equipment may include user equipment (user equipment, UE), wireless terminal equipment, mobile terminal equipment, subscriber unit (subscriber unit...

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Abstract

The invention provides a cell reselection method and device, the method comprising: in a cell reselection process, determining that a second cell is prohibited from access; determining a highest sorting cell according to a cell reselection criterion; and when the highest sorting cell changes and a first condition is satisfied, releasing access forbidding restriction on at least one cell, the at least one cell being a cell forbidden to be accessed in the cell reselection process, and the at least one cell comprising the second cell and / or a co-frequency cell of the second cell. Through the first condition, when one cell is forbidden to be accessed, the terminal equipment can reduce the frequency of checking the cell as much as possible, so that the invalid power consumption of the terminalequipment is reduced, and the effectiveness of checking the cell by the terminal equipment is higher.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a cell reselection method and device. Background technique [0002] At present, when performing cell reselection, the terminal device sorts the cells satisfying the S criterion in the candidate list for cell reselection according to the R criterion. The cells satisfying the S criterion can be simply understood as the cells whose signal quality meets certain requirements. , sorting according to the R criterion, for example, sorting according to the signal quality of the cells from high to low. For the highest-ranked cell, that is, the highest-ranked cell, when the terminal device stays in the current serving cell for longer than 1s, and the time for which the highest-ranked cell is not the terminal device’s serving cell is greater than the preset threshold TreselectionRAT, the terminal device The system information of the cell with the highest ranking is re...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W48/02H04W52/02
CPCH04W36/08H04W48/02H04W52/0225H04W52/02Y02D30/70
Inventor 闫润布莱恩·亚历山大·马丁常俊仁
Owner HUAWEI TECH CO LTD
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