3 papers
cs.IT2023
Enhancing AmBC Systems with Deep Learning for Joint Channel Estimation and Signal Detection
S. Zargari, A. Hakimi, C. Tellambura +1
The era of ubiquitous, affordable wireless connectivity has opened doors to countless practical applications. In this context, ambient backscatter communication (AmBC) stands out,…
cs.IT2022
IRS-Enabled Backscattering in a Downlink Non-Orthogonal Multiple Access System
Azar Hakimi, Shayan Zargari, Chintha Tellambura +1
Intelligent reflecting surface (IRS)-enabled backscatter communications can be enabled by an access point (AP) that splits its transmit signal into modulated and unmodulated parts.…
cs.IT2022
Multiuser MISO PS-SWIPT Systems: Active or Passive RIS?
Shayan Zargari, Azar Hakimi, Chintha Tellambura +1
Reconfigurable intelligent surface (RIS)-based communication networks promise to improve channel capacity and energy efficiency. However, the promised capacity gains could be negli…