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Cell residency method and device

A cell and cell-resident technology, applied in the communication field, can solve problems such as low success rate of residence, unavailability, failure of residential residence, etc., and achieve the effect of improving the success rate of residence

Active Publication Date: 2020-12-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the UE determines the timing position of each cell to camp on based on its own clock system, when the timing accuracy of the clock system of the UE is low, the timing position of the cell to camp on determined during the initial scanning It is unavailable during the camping operation, which leads to cell camping failure. Therefore, the cell camping method in the related art has a low camping success rate

Method used

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Embodiment Construction

[0057] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0058] In the New Radio (NR) communication system, the base station can periodically send SSB (Synchronization Signal Block, synchronization block), please refer to figure 1, the SSB occupies 4 Orthogonal Frequency Division Multiplexing (Orthogonal Frequency Division Multiplexin, OFDM) symbols in the time domain along the horizontal direction, the SSB is composed of a synchronization signal and a PBCH (Physical Broadcast Channel, physical broadcast channel), wherein the synchronization Signals include: Primary Synchronization Signal (PSS) and Secondary Synchronization Signal (Secondary Synchronization Signal, SSS). System information and location indication information are transmitted on PBCH, and PSS and SSS each occupy 12 freque...

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Abstract

Disclosed are a cell residing method and apparatus, which belong to the technical field of communications. The method comprises: scanning multiple received beams in a cell search to determine at least one cell which has been found; determining, from the at least one cell, at least one cell to be resided; performing a cell search on at least one received beam corresponding to each target cell to be resided of at least one target cell to be resided in the at least one cell to be resided, so as to determine an updated timing position for each target cell to be resided; and based on the updated timing position, executing a cell residing operation for the at least one target cell to be resided. According to the present application, the success rate of a UE residing in a cell to be resided is improved.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a cell camping method and device. Background technique [0002] With the rapid development of wireless communication technologies, users can implement multiple services such as voice services (for example, calling) and data services (for example, surfing the Internet) through user equipment (User Equipment, UE). However, no matter what business the UE performs, it needs to camp on a certain cell. [0003] In related technologies, the method usually adopted for cell camping is: after the UE is powered on, the UE will perform an initial receiving beam scan on a certain frequency point, and during the scanning process, the UE will select several different receiving beams for initial scanning , to search for the cell and obtain information such as the physical-layer cell identity (Physical-layer Cell Identity, PCI) and timing position of each cell, and determine the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W48/20H04W56/00H04J11/00H04J3/06
CPCH04J3/0638H04J11/0069H04J11/0086H04W48/16H04W48/20H04W56/001H04J3/06H04J11/00H04W56/00
Inventor 魏璟鑫
Owner HUAWEI TECH CO LTD
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