Reconfigurable Intelligent Surfaces in 6G: Reflective, Transmissive, or Both?

Reconfigurable intelligent surfaces (RISs) have attracted wide interest from industry and academia since they can shape the wireless environment into a desirable form at low cost. In practice, RISs have three types of implementations: 1) reflective, where signals can be reflected to the users on the...

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Bibliographic Details
Published in:IEEE communications letters 2021-06, Vol.25 (6), p.2063-2067
Main Authors: Zeng, Shuhao, Zhang, Hongliang, Di, Boya, Tan, Yunhua, Han, Zhu, Poor, H. Vincent, Song, Lingyang
Format: Article
Language:English
Subjects:
Antenna radiation patterns
Antennas
Channel estimation
Copper
Fading channels
PIN photodiodes
Reconfigurable intelligent surfaces
sum-rate analysis
type selection
Upper bound
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