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A cell search method and communication device

A cell search and cell technology, applied in the field of communication, can solve the problems of wasting time and increasing power consumption

Active Publication Date: 2020-12-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the uncertainty and discontinuity of the distribution of base stations, when a terminal device accesses a base station, it needs to search the cells of each base station multiple times, which not only wastes time, but also increases power consumption

Method used

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  • A cell search method and communication device

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Embodiment Construction

[0133] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0134] The technical solutions of the embodiments of the present application can be applied to various radio access technology (radio access technology, RAT) systems, such as new radio (new radio, NR) system, WIFI, global microwave interoperability for microwave access (worldwide interoperability for microwave access, WiMAX ), long term evolution (long termevolution, LTE) system, advanced long term evolution (advanced long term evolution, LTE-A) system, universal mobile telecommunications system (universal mobile telecommunications system, UMTS), the third generation partnership project (the 3rd generation partnership project (3GPP) related cellular system, fourth generation mobile communication technology (4th generation, 4G) system or 5G system, etc.

[0135] In addition, ...

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PUM

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Abstract

A cell search method and communication device, the method comprising: before a terminal device searches for a cell, it can combine historical access information of other terminal devices to determine whether there is a cell at the location, and adjust search parameters for searching the cell according to the determination result For example, if there is a cell, you can speed up the search by adjusting the search parameters; if there is no cell, you can not search or adjust the search parameters to reduce the unnecessary cell search of the terminal device and reduce the power of the terminal device. consumption.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 201810325541.X and the application title "A method for a terminal to perform a cell search" filed with the China Patent Office on April 12, 2018, the entire contents of which are hereby incorporated by reference In this application. technical field [0002] The present application relates to the field of communication technologies, and in particular to a cell search method and a communication device. Background technique [0003] In the next-generation communication system, for example, the 5th generation mobile communication (the 5th generation, 5G) system, in order to ensure a stable connection between the terminal device and the core network (such as the 5G core network), multiple different frequencies can be set. Base stations, for example, low frequency base stations and high frequency base stations. Since the coverage of the low-frequency base station is larger th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W52/02
CPCH04W48/16H04W52/0225Y02D30/70H04W8/005H04W52/0258H04W52/0254H04B17/26H04W76/12H04W4/14
Inventor 王琪方平程勇夏鹏飞黄伟
Owner HUAWEI TECH CO LTD