5 papers
Signal Detection in Ambient Backscatter Systems: Fundamentals, Methods, and Trends
Shayan Zargari, Azar Hakimi, Fatemeh Rezaei +2
Internet-of-Things (IoT) is rapidly growing in wireless technology, aiming to connect vast numbers of devices to gather and distribute vital information. Despite individual devices…
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,…
User Scheduling and Trajectory Optimization for Energy-Efficient IRS-UAV Networks with SWIPT
S. Zargari, A. Hakimi, C. Tellambura +1
This paper investigates user scheduling and trajectory optimization for a network supported by an intelligent reflecting surface (IRS) mounted on an unmanned aerial vehicle (UAV).…
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.…
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…