109 citations · 271 across the 25 of their papers we have counts for
8 papers · 1 filter
Wireless Energy Transfer Beamforming Optimization for Intelligent Transmitting Surface
Osmel Martínez Rosabal, Onel Alcaraz López, Victoria Dala Pegorara Souto +4
Radio frequency (RF) wireless energy transfer (WET) is a promising technology for powering the growing ecosystem of Internet of Things (IoT) using power beacons (PBs). Recent resea…
End-to-End Waveform and Beamforming Optimization for RF Wireless Power Transfer
Abdul Basit Khattak, Onel L. A. López, Amirhossein Azarbahram +2
Radio frequency (RF) wireless power transfer (WPT) is a key technology for future low-power wireless systems. However, the inherently low end-to-end power transfer efficiency (PTE)…
Energy-Efficient Analog Beamforming for RF-WET with Charging Time Constraint
Osmel Martínez Rosabal, Onel L. Alcaraz López, Hirley Alves
Internet of Things (IoT) sustainability may hinge on radio frequency wireless energy transfer (RF-WET). However, energy-efficient charging strategies are still needed, motivating o…
Energy-Aware Federated Learning with Distributed User Sampling and Multichannel ALOHA
Rafael Valente da Silva, Onel L. Alcaraz López, Richard Demo Souza
Distributed learning on edge devices has attracted increased attention with the advent of federated learning (FL). Notably, edge devices often have limited battery and heterogeneou…
Waveform Optimization and Beam Focusing for Near-field Wireless Power Transfer with Dynamic Metasurface Antennas and Non-linear Energy Harvesters
Amirhossein Azarbahram, Onel L. A. López, Matti Latva-Aho
Radio frequency (RF) wireless power transfer (WPT) is a promising technology for future wireless systems. However, the low power transfer efficiency (PTE) is a critical challenge f…
Latency-Aware Multi-antenna SWIPT System with Battery-Constrained Receivers
Dileep Kumar, Onel L. Alcaraz López, Satya Krishna Joshi +1
Power splitting (PS) based simultaneous wireless information and power transfer (SWIPT) is considered in a multi-user multiple-input-single-output broadcast scenario. Specifically,…
Massive Wireless Energy Transfer with Statistical CSI Beamforming
Francisco A. Monteiro, Onel L. A. López, Hirley Alves
Wireless energy transfer (WET) is a promising solution to enable massive machine-type communications (mMTC) with low-complexity and low-powered wireless devices. Given the energy r…
Optimum LoRaWAN Configuration Under Wi-SUN Interference
Arliones Hoeller-Jr., Richard Demo Souza, Hirley Alves +3
Smart Utility Networks (SUN) rely on the Wireless-SUN (Wi-SUN) specification for years. Recently practitioners and researchers have considered Low-Power Wide-Area Networks (LPWAN)…