2 papers
eess.SP2025
Sense-then-Charge: Wireless Power Transfer to Unresponsive Devices with Unknown Location
Amirhossein Azarbahram, Onel L. A. López, Richard D. Souza +2
This paper explores a multi-antenna dual-functional radio frequency (RF) wireless power transfer (WPT) and radar system to charge multiple unresponsive devices. We formulate a beam…
cs.IT2025
Assessment of the Sparsity-Diversity Trade-offs in Active Users Detection for mMTC with the Orthogonal Matching Pursuit
Gabriel Martins de Jesus, Onel Luis Alcaraz Lopez, Richard Demo Souza +3
Wireless communication systems must increasingly support a multitude of machine-type communications (MTC) devices, thus calling for advanced strategies for active user detection (A…