Phase shift optimization method for IRS-assisted downlink multi-user communication system
A technology of multi-user communication and optimization method, which is applied in the field of phase shift optimization of a downlink multi-user communication system assisted by an intelligent reflective surface, and can solve the problems of high error and algorithm implementation complexity.
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[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0052] The present invention proposes a phase shift optimization method of an IRS-assisted downlink multi-user communication system, such as figure 1 and figure 2 , including the following steps:
[0053] Establish the IRS assisted communication system model of mobile users, and based on the relationship between the mean square error matrix of the optimal decoding matrix and the channel capacity, construct the channel capacity optimization model of the IRS a...
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