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Intelligent metasurface control method, device and system based on time division multiplexing

A technology of time division multiplexing and control method, which is applied in machine execution devices, program control design, antennas, etc., can solve the problems of high hardware implementation cost and the inability to realize large-scale arrays on intelligent metasurfaces, so as to save costs and reduce costs. The overall cost, the effect of improving the utilization efficiency

Active Publication Date: 2021-08-03
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0006] Aiming at the above defects or improvement needs of the prior art, the present invention provides an intelligent metasurface control method, device and system based on time division multiplexing, thereby solving the problem of high hardware implementation cost caused by the existing intelligent metasurface control method , which in turn leads to the technical problem that smart metasurfaces cannot realize larger-scale arrays

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  • Intelligent metasurface control method, device and system based on time division multiplexing

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[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0041] refer to image 3 , the present invention provides a kind of intelligent metasurface control method based on time division multiplexing, comprising:

[0042] S1: Determine the reflection coefficient of each reflection unit of the smart metasurface;

[0043] S2: converting the reflection coefficient into a corresponding control signal;

[0044] S3: Output the control signal to the smart...

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Abstract

The invention discloses an intelligent metasurface control method, device and system based on time division multiplexing, and belongs to the technical field of wireless communication, and the method comprises the steps of determining the reflection coefficient of each reflection unit of an intelligent metasurface; converting the reflection coefficient into a corresponding control signal; and outputting the control signal to the intelligent metasurface in parallel in a time division multiplexing mode so as to control each reflection unit. Therefore, on one hand, the controller pins are subjected to time division multiplexing, and the purpose of controlling the large-scale reflection unit by using a small number of controller pins is achieved, so that the cost of the intelligent metasurface system is saved, and the utilization efficiency of the controller is improved; and on the other hand, a layer of buffer is added between the controller and the intelligent metasurface, so that proper isolation of the controller and the intelligent metasurface is facilitated, and the condition that the controller and the intelligent metasurface are completely damaged after a fault occurs is avoided.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and more specifically relates to a time-division multiplexing-based intelligent metasurface control method, device and system. Background technique [0002] In the field of 5G wireless communication and even the field of 6G wireless communication in the future, millimeter wave technology plays an extremely important role as a key technology. However, millimeter wave has a very fatal flaw. not ideal. [0003] In order to solve this problem, the existing technology is to add a specially manufactured, low-cost, programmable intelligent metasurface (RIS / Large Intelligent Surface / Reconfigurable Intelligent Surface / Software Defined Surface / Metasurface / IRS / Intelligent Reflecting Surface / Reconfigurable Meta-Surfaces / Holographic MIMO, etc., hereinafter are all expressed in RIS) to assist communication. The main component of the smart metasurface is a programmable artificial electromagnet...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38G06F9/30H01Q15/00
CPCG06F13/382G06F9/30134H01Q15/002H01Q15/0086
Inventor 张昆曹琳尹海帆陆骋裴熙隆王锴
Owner HUAZHONG UNIV OF SCI & TECH
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