54 citations · 173 across the 14 of their papers we have counts for
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eess.SP2022★ 3 cited
Global Optimization of Energy Efficiency in IRS-Aided Communication Systems via Robust IRS-Element Activation
Christos N. Efrem, Ioannis Krikidis
In this paper, we study an intelligent reflecting surface (IRS) assisted communication system with single-antenna transmitter and receiver, under imperfect channel state informatio…
cs.IT2022★ 24 cited
Joint IRS Location and Size Optimization in Multi-IRS Aided Two-Way Full-Duplex Communication Systems
Christos N. Efrem, Ioannis Krikidis
Intelligent reflecting surfaces (IRSs) have emerged as a promising wireless technology for the dynamic configuration and control of electromagnetic waves, thus creating a smart (pr…