Terminal cell reselection method and terminal cell reselection device

Abstract

Disclosed in the present invention is a method and device for cell reselection for a terminal relating to the technical field of wireless communications, and the method comprises the following steps: when performing cell reselection according to the signal quality of the serving cell or the service performance, a terminal acquiring a first neighboring cell list from the system side; selecting neighboring cells satisfying a cell reselection condition from the first neighboring cell list; if none of the neighboring cells in the first neighboring cell list satisfies the cell reselection condition, the terminal performing active search, obtaining another neighboring cell satisfying the cell reselection condition, and camping on the such neighboring cell. The present invention enables a terminal to actively search an optimum cell existing around and camp on in the case of weak signals, and is beneficial to improve wireless performance and user experience.

Description

Technical field [0001] The invention relates to the field of wireless communication technology, and is an improvement on the existing cell reselection mechanism on terminal equipment. Background technique [0002] Cell reselection refers to the process in which the UE selects a best cell to provide service signals by monitoring the signal quality of the neighboring cell and the current cell in the idle mode. Taking LTE as an example, the existing cell reselection mechanism is as follows: [0003] 1. LTE cell selection criteria [0004] During the cell reselection process, the UE needs to measure the cell to be selected in order to evaluate the channel quality and determine whether it meets the criteria for camping. The criterion of cell selection is called S criterion. When the channel quality of a certain cell meets the S criterion, it can be selected as the camping cell. The specific content of the S criterion is as follows, and the meaning of its parameters is shown in figure ...

AI Technical Summary

Problems solved by technology

[0031] The purpose of the present invention is to provide a terminal cell reselection method and device, which can better solve the problem that in weak signal areas, adjacent cells are missing or the settings are unreasonable, resulting in terminals staying in weak signal serving cells for a long time, thus failing to receive normally. Paging messages, data service performance degradation, etc.

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