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Network screening method, user terminal, and readable storage medium

A screening method and user terminal technology, applied in the field of communication, can solve the problem that the communication network with the strongest signal cannot be screened out, and achieve the effect of avoiding SSB screening error

Active Publication Date: 2022-04-08
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention solves the technical problem that the communication network with the strongest signal cannot be screened out

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  • Network screening method, user terminal, and readable storage medium
  • Network screening method, user terminal, and readable storage medium

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Embodiment Construction

[0028] In the prior art, in the absence of prior information, the Gain value used when searching for a network is not accurate, and a uniform Gain value is often used when receiving data. Therefore, the cell with the strongest signal or the SSB with the strongest SSB in the same cell cannot be screened out. For example, there are multiple cells at the current frequency, multiple SSBs exist in each cell, and each SSB in each cell also has a certain energy difference. If the currently tried Gain value is too large for the SSB with strong signal, it will saturate it, but for the SSB with weaker energy, the Gain value is appropriate. The above-mentioned screening scheme will cause cells or SSBs with weaker energy to be preferentially screened out, and the communication equipment will not be able to work in a good environment with the strongest network signal.

[0029] In the embodiment of the present invention, real-time gain value adjustment is performed on all possible SSBs in ...

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Abstract

A network screening method, a user terminal, and a readable storage medium, wherein the network screening method includes: obtaining a reference SSB and its half-frame position and frequency offset information; according to the half-frame position of the reference SSB and the frequency offset information, Adjust the search frequency offset to obtain the adjusted search frequency offset and the positions of all possible SSBs in the half-frame; adjust the real-time gain values ​​for all possible SSBs in the half-frame respectively, and combine the adjusted search frequency The target SSB is obtained by conducting a directional search within the preset range of all possible SSB positions within the field; and the SSB with the strongest signal is obtained by screening among the target SSBs. By adopting the above solution, the SSB with the strongest signal can be searched in the cell search.

Description

technical field [0001] The invention belongs to the technical field of communications, and in particular relates to a network screening method, a user terminal, and a readable storage medium. Background technique [0002] With the rapid development of wireless communication technology, the fifth generation of mobile communication technology (5G for short) has emerged. In the 3rd Generation Partner Project (3GPP), a Synchronization Signal Block (SSB) of undefined cells is introduced to measure the communication network. [0003] When searching for a communication network, first find the frequency with the strongest energy. Then, perform an SSB search on the strongest frequency point. Once the SSB of a certain cell is synchronized and decoded successfully, the cell is reported. In the search process, a gain strategy is generally used for network signal reception: first, set n appropriate Gains, and then select one of the Gains for the strongest frequency search and cell syn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/30H04W56/00
CPCH04W36/0007H04W36/30H04W56/001H04W56/0035
Inventor 刘惠
Owner SPREADTRUM COMM (SHANGHAI) CO LTD