Two-Timescale Beamforming Optimization for Intelligent Reflecting Surface Aided Multiuser Communication With QoS Constraints

Intelligent reflecting surface (IRS) is an emerging technology that is able to reconfigure the wireless channel via tunable passive signal reflection and thereby enhance the spectral/energy efficiency of wireless networks cost-effectively. In this paper, we study an IRS-aided multiuser multiple-inpu...

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Vydané v:	IEEE transactions on wireless communications Ročník 20; číslo 9; s. 6179 - 6194
Hlavní autori:	Zhao, Ming-Min, Liu, An, Wan, Yubo, Zhang, Rui
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.09.2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Algorithms Array signal processing Beamforming Channel estimation Complexity theory Decomposition deep unfolding Intelligent reflecting surface MISO (control systems) multiuser diversity New technology Optimization phase-shift optimization primal-dual decomposition Quality of service Reconfigurable intelligent surfaces Signal processing Signal processing algorithms Signal reflection statistical CSI Stochastic processes Time two-timescale optimization Wireless networks
ISSN:	1536-1276, 1558-2248
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