3 papers
cs.IT2024
Over-the-Air Modulation for RIS-assisted Symbiotic Radios: Design, Analysis, and Optimization
Hu Zhou, Ying-Chang Liang, Chau Yuen
In reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR), an RIS is exploited to assist the primary system and to simultaneously operate as a secondary transmitter…
cs.IT2024
Power-Aware Sparse Reflect Beamforming in Active RIS-aided Interference Channels
Ruizhe Long, Hu Zhou, Ying-Chang Liang
Active reconfigurable intelligent surface (RIS) has attracted significant attention in wireless communications, due to its reflecting elements (REs) capable of reflecting incident…
cs.IT2023
Assistance-Transmission Tradeoff for RIS-assisted Symbiotic Radios
Hu Zhou, Qianqian Zhang, Ying-Chang Liang +1
This paper studies the reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR) system, where an RIS acts as a secondary transmitter to transmit its information by le…