Intelligent Reflecting Surface Aided Wireless ...

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Holographic beam forming. Rui Zhang, National University of Singapore. IRS vs Active Relay/Small Cell/DAS/Cell-free MIMO . 15 Comparison with existing technologies Network with active BS/AP/relay only High cost, high energy consumption Backhaul issue Complicated interference management

  Forming, Beam, Mimo, Holographic, Holographic beam forming