Towards Smart and Reconfigurable Environment: Intelligent Reflecting Surface Aided Wireless Network

May 3, 2019

Abstract—Intelligent reflecting surface (IRS) is a new and revolutionizing technology that is able to significantly improve the performance of wireless communication networks, by smartly reconfiguring the wireless propagation environment with the use of massive low-cost passive reflecting elements integrated on a planar surface. Specifically, different elements of an IRS can independently reflect the incident signal by controlling its amplitude and/or phase and thereby collaboratively achieve fine-grained three-dimensional (3D) passive beamforming for directional signal enhancement or nulling.

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