Reconfigurable Intelligent Surfaces for Adaptive Nulling and Beam Steering Using 1-bit Topology

Tatiana Valera,Satheesh B. Venkatakrishnan,Arjuna Madanayake,John L. Volakis

2023 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM)（2023）

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摘要

To address the beam blockage for future millimeter-wave (mmWave) links, this paper presents the implementation of a 1-bit phase shifter beamforming network. To do so, a 20x20 low-power Reconfigurable Intelligent Surface (RIS) is used to create a smart wireless environment capable of high-data rate transmission and interference mitigation. This adaptive beamforming strategy using RIS surfaces employs Genetic Algorithm (GA) optimization of the phase shifting process.

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关键词

mmWave,Genetic Algorithm,Antenna Synthesis,Reconfigurable Intelligent Surfaces (RIS)

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