Reference : Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels
Scientific journals : Article
Engineering, computing & technology : Computer science
Security, Reliability and Trust
http://hdl.handle.net/10993/48612
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels
English
Van Chien, Trinh []
Papazafeiropoulos, Anastasios K. []
Thanh Tu, Lam []
Chopra, Ribhu []
Chatzinotas, Symeon mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
21-Apr-2021
IEEE Wireless Communications Letters
IEEE
10
8
1815 - 1819
Yes (verified by ORBilu)
International
2162-2337
2162-2345
[en] This letter investigates the impact of spatial channel correlation on the outage probability of intelligent reflecting surface (IRS)-assisted single-input single-output (SISO) communication systems. In particular, we derive a novel closed-form expression of the outage probability for arbitrary phase shifts and correlation matrices of the indirect channels. To shed light on the impact of the spatial correlation, we further attain the closed-form expressions for two common scenarios met in the literature when the large-scale fading coefficients are expressed by the loss over a propagation distance. Numerical results validate the tightness and effectiveness of the closed-form expressions. Furthermore, the spatial correlation offers significant decreases in the outage probability as the direct channel is blocked.
http://hdl.handle.net/10993/48612
10.1109/LWC.2021.3082409

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