25 citations · 25 across the 3 of their papers we have counts for
5 papers
Intelligent Reflecting Surface: Practical Phase Shift Model and Beamforming Optimization
Samith Abeywickrama, Rui Zhang, Qingqing Wu +1
Intelligent reflecting surface (IRS) that enables the control of wireless propagation environment has recently emerged as a promising cost-effective technology for boosting the spe…
Opportunistic Wireless Energy Beamforming using RSSI Feedback
Samith Abeywickrama
This paper proposes a novel channel estimation method, and a cluster-based opportunistic scheduling policy, that enhances the efficiency of wireless energy transfer in a system con…
Intelligent Reflecting Surface: Practical Phase Shift Model and Beamforming Optimization
Samith Abeywickrama, Rui Zhang, Chau Yuen
Intelligent reflecting surface (IRS) that enables the control of the wireless propagation environment has been looked upon as a promising technology for boosting the spectrum and e…
Over-the-Air Implementation of Uplink NOMA
Samith Abeywickrama, Lei Liu, Yuhao Chi +1
Though the concept of non-orthogonal multiple access (NOMA) was proposed several years ago, the performance of uplink NOMA has only been verified in theory, but not in practice. Th…
Wireless Energy Beamforming Using Signal Strength Feedback
Samith Abeywickrama, Tharaka Samarasinghe, Chin Keong Ho
Multiple antenna techniques, that allow energy beamforming, have been looked upon as a possible candidate for increasing the efficiency of the transfer process between the energy t…