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What is IRS in Wireless Communication: Active vs Passive about?

This document discusses the optimization of intelligent reflecting surfaces (IRS) in wireless communication systems, comparing active and passive IRS configurations. It highlights that while active IRS can amplify signals, passive IRS may outperform it under certain conditions, particularly when the number of reflecting elements is large or the amplification power is low. The authors propose methods for optimizing IRS placement to maximize communication rates for both uplink and downlink scenarios.

Author

Michael Tesfaye

Language

EN