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Design and Prototype of Transmissive Surfaces for Wireless Networks

Published on:

8 February 2024

Primary Category:

Systems and Control

Paper Authors:

Jianan Zhang,

Rujing Xiong,

Junshuo Liu,

Tiebin Mi,

Robert Caiming Qiu

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Key Details

Achieves 1-bit phase tuning via anti-symmetric PIN diode integration, enabling beam scanning

Fabricates and tests 16x16 element transmissive RIS prototype

Demonstrates over 20% bandwidth, 0.5 dB loss, 180 degree phase shift

Increases received power by 7 dB in through-wall communication experiment

Underscores potential to address coverage gaps left by reflective RIS

AI generated summary

Design and Prototype of Transmissive Surfaces for Wireless Networks

This paper introduces an innovative transmissive reconfigurable intelligent surface (RIS) for wireless networks. By integrating PIN diodes into RIS elements for 1-bit phase tuning, scanning beams can be dynamically formed to enhance communication. A 16x16 element RIS prototype achieved over 20% bandwidth at 5.8 GHz with only 0.5 dB loss and 180 degree phase shift between states. Experiments showed 7 dB increased received power when overcoming obstacles, validating real-world potential to fill coverage gaps.

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