Cell selection or reselection method and device, and terminal

A cell selection and cell reselection technology, applied in the directions of access restriction, electrical components, wireless communication, etc., can solve the problem of not considering whether NPN can be supported and/or whether the candidate cell is an NPN cell, computing resources waste power, not knowing Cells and other issues to avoid cell selection or cell reselection operations

Active Publication Date: 2021-11-02
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current process of NR (New Radio, New Radio), the UE cannot know whether the current cell is an NPN cell, and the user does not know whether the selected cell is an NPN cell during cell selection or cell reselection.
In addition, even if the UE knows the NPN information of the candidate cell, according to the existing procedures, during the cell selection or cell reselection process, the UE does not consider whether it can support NPN and / or whether the candidate cell is an NPN cell
This may cause the UE to reselect a cell immediately after staying in the cell because the cell is an NPN cell, resulting in a large waste of computing resources and power consumption

Method used

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  • Cell selection or reselection method and device, and terminal
  • Cell selection or reselection method and device, and terminal
  • Cell selection or reselection method and device, and terminal

Examples

Experimental program
Comparison scheme
Effect test

application example 1

[0072] refer to image 3 , this application example includes the following steps:

[0073] 1) The terminal performs a cell search and selects a candidate cell.

[0074] Here, the terminal searches for frequency points within the bandwidth supported by itself, and obtains several cells with the strongest signal quality as candidate cells. Alternatively, if the terminal has previously stored a cell list to be searched, the terminal sequentially searches for cells in the cell list as candidate cells.

[0075] 2) For each candidate cell, the terminal monitors the system information of the candidate cell.

[0076] 3) For each candidate cell, the terminal determines whether the candidate cell is a suitable candidate cell according to the first information and / or the signal quality of the cell and / or the system information of the cell.

[0077] Wherein, the first information is NPN related information. The first information includes at least one of the following: TA (TrackingArea...

application example 2

[0095] 1) The terminal selects a candidate cell, reads the system information of the candidate cell, and finally selects the cell to camp on.

[0096] 2) After the terminal successfully camps on, the terminal will continue to measure the signal of the cell where it resides.

[0097] 3) As the terminal moves, etc., the signal quality of the cell where the terminal resides is getting worse and worse. When a certain threshold is met (such as the start threshold of the same-frequency measurement, the start threshold of the inter-frequency measurement, etc.), the terminal determines to start the adjacent cell measurement.

[0098] 4) For each candidate neighboring cell (referred to as a candidate neighboring cell for short), the terminal determines whether the candidate neighboring cell is a suitable candidate neighboring cell according to the first information and / or the signal quality of the candidate neighboring cell.

[0099] Wherein, the first information is NPN related inform...

application example 3

[0116] 1) The terminal selects a candidate cell, reads the system information of the candidate cell, and finally selects the cell to camp on.

[0117] 2) After the terminal successfully camps on, the terminal will continue to measure the signal of the cell where it resides.

[0118] 3) As the terminal moves, etc., the signal quality of the cell where the terminal resides is getting worse and worse. When a certain threshold is met (such as the start threshold of the same-frequency measurement, the start threshold of the inter-frequency measurement, etc.), the terminal determines to start the adjacent cell measurement.

[0119] 4) For each candidate neighboring cell, the terminal determines whether the candidate neighboring cell is a suitable candidate neighboring cell according to the first information and / or the signal quality of the candidate neighboring cell.

[0120] Wherein, the first information is NPN related information. The first information includes at least one of t...

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Abstract

The embodiment of the invention provides a cell selection or reselection method and device and a terminal, and the method comprises the steps that the terminal carries out cell selection or cell reselection according to first information, and the first information is NPN-related information of a non-public network.

Description

[0001] This application is a PCT international patent application PCT / CN2018 / 122181 with an application date of December 19, 2018, which entered the Chinese national phase. The Chinese patent application number 201880099378.8, the title of the invention is "a cell selection or reselection method, device, and terminal" divisional application. technical field [0002] The embodiments of the present application relate to the field of mobile communication technologies, and in particular to a cell selection or reselection method, device, and terminal. Background technique [0003] 5G (5 th Generation, the fifth generation) R16 (Release16, version 16) introduced the concept of NPN (Non-Public Network, non-public network). NPN includes type-a (type a) network and type-b (type b) network, corresponding to private networks that support public PLMN (Public Land Mobile Network, public land mobile network) private use and non-3GPP (3rd Generation Partnership Project, 3rd Generation P...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04W36/00H04W48/20
CPCH04W48/20H04W36/14H04W36/08H04W36/362H04W48/16H04W48/18Y02D30/70H04W84/10H04W84/045
Inventor刘建华
OwnerGUANGDONG OPPO MOBILE TELECOMM CORP LTD