Optimizing method and equipment for irs auxiliary communication system based on angle information

Abstract

The invention discloses an optimization method and equipment for an IRS auxiliary communication system based on angle information, which includes: determining the preliminary channel between the UE and the IRS based on the preliminary angle of the UE position relative to the IRS position; and selecting M within the preset angle deviation range. Reference angles of the UE position relative to the IRS position; determine M reference channels between the UE and the IRS based on the M reference angles; determine the preliminary reflection coefficient matrix of the IRS; and the reference reflection coefficient matrix of the M IRS; respectively based on the preliminary IRS The reflection coefficient matrix and the reference reflection coefficient matrix of M IRS realize the communication between the wireless AP and the UE, determine the channel strength corresponding to the different reflection coefficient matrices of the IRS, and select the reflection coefficient matrix with the largest channel strength as the optimal reflection coefficient of the IRS Matrix; the optimal reflection coefficient matrix based on IRS enables effective communication. The IRS reflection coefficient matrix obtained by the present invention can improve communication quality.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and more specifically, to an optimization method and equipment for an IRS auxiliary communication system based on angle information. Background technique [0002] There is an important problem in the field of 5G wireless communication: the millimeter wave penetration ability of its main band is poor, and it is easy to be blocked by obstacles. Without other means, it is difficult to guarantee the effect of wireless communication in complex scenarios such as indoors. Previously, someone proposed an idea to solve this problem: designing a passive, reflective, reconfigurable, low-cost smart surface (LIS / Large Intelligent Surface / Reconfigurable Meta-Surfaces / IRS / IntelligentReflecting Surface, etc., IRS is used to assist wireless communication. By placing and distributing at a suitable location, the signal can be controllably reflected to the desired direction at the IRS, which i...

AI Technical Summary

Problems solved by technology

[0004] In view of the defects of the prior art, the purpose of the present invention is to solve the technical problem that the reflection coefficient matrix of the existing IRS-based auxiliary communication system is inaccurate, which will lead to poor communication quality and affect the communication effect

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