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Controlling Smart Propagation Environments: Long-Term Versus Short-Term Phase Shift Optimization
Van Chien, Trinh; Tu, Lam Thanh; Tran Dinh, Hieu et al.
2022In ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Peer reviewed
 

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Abstract :
[en] Reconfigurable intelligent surfaces (RISs) have recently gained significant interest as an emerging technology for future wireless networks. This paper studies an RIS-assisted propagation environment, where a single-antenna source transmits data to a single-antenna destination in the presence of a weak direct link. We analyze and compare RIS designs based on long-term and short-term channel statistics in terms of coverage probability and ergodic rate. For the considered optimization designs, closed-form expressions for the coverage probability and ergodic rate are derived. We use numerical simulations to validate the obtained analytical framework. Also, we show that the considered optimal phase shift designs outperform several heuristic benchmarks.
Disciplines :
Computer science
Author, co-author :
Van Chien, Trinh
Tu, Lam Thanh
Tran Dinh, Hieu ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Nguyen, Hieu Van
Chatzinotas, Symeon  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom
Di Renzo, Marco
Ottersten, Björn ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
External co-authors :
yes
Language :
English
Title :
Controlling Smart Propagation Environments: Long-Term Versus Short-Term Phase Shift Optimization
Publication date :
2022
Event name :
ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Event place :
Singapore, Singapore
Event date :
23-05-2022 to 27-05-2022
Audience :
International
Main work title :
ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Publisher :
IEEE
Peer reviewed :
Peer reviewed
Focus Area :
Security, Reliability and Trust
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since 27 December 2022

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