177 citations
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4 papers · 1 filter
Performance Analysis of a Two-Tile Reconfigurable Intelligent Surface Assisted MIMO System
Prathapasinghe Dharmawansa, Saman Atapattu, Marco Di Renzo
We consider a two--tile reconfigurable intelligent surface (RIS) assisted wireless network with a two-antenna transmitter and receiver over Rayleigh fading. We show that the averag…
Cluster-based Wireless Energy Transfer for Low Complex Energy Receivers
Samith Abeywickrama, Tharaka Samarasinghe, Chau Yuen +1
This paper proposes a novel channel estimation method and a cluster-based opportunistic scheduling policy, for a wireless energy transfer (WET) system consisting of multiple low-co…
Wireless Energy Beamforming using Received Signal Strength Indicator Feedback
Samith Abeywickrama, Tharaka Samarasinghe, Chin Keong Ho +1
Multiple antenna techniques that allow energy beamforming have been looked upon as a possible candidate for increasing the transfer efficiency between the energy transmitter (ET) a…
Optimizing user selection schemes in vector broadcast channels
Meng Wang, Tharaka Samarasinghe, Jamie S. Evans
In this paper, we focus on the ergodic downlink sum-rate performance of a system consisting of a set of heterogeneous users. We study three user selection schemes to group near-ort…