collaborators

5 papers

eess.SP2025

"Iridescent" Reflective Tags to Enable Radar-based Orientation Estimation

Onel L. A. López, Zhu Han, Ashutosh Sabharwal

Accurate orientation estimation of objects can aid in scene understanding in many applications. In this paper, we consider use cases where passive tags could be deployed to assist…

cs.IT2025

Energy and Age-Aware MAC for Low-Power Massive IoT

Ophelia Giannini, Gabriel Martins de Jesus, Roberto Verdone +1

Efficient multiple access remains a key challenge for emerging Internet of Things (IoT) networks comprising a large set of devices with sporadic activation, thus motivating signifi…

eess.SP2025

Beyond Diagonal Reconfigurable Intelligent Surfaces for Multi-Carrier RF Wireless Power Transfer

Amirhossein Azarbahram, Onel L. A. López, Bruno Clerckx +2

Radio frequency (RF) wireless power transfer (WPT) is promising for promoting sustainability in future wireless systems, but its low end-to-end power transfer efficiency is a criti…

eess.SY2024

Cell Balancing Paradigms: Advanced Types, Algorithms, and Optimization Frameworks

Anupama R Itagi, Rakhee Kallimani, Krishna Pai +3

The operation efficiency of the electric transportation, energy storage, and grids mainly depends on the fundamental characteristics of the employed batteries. Fundamental variable…

eess.SP2024

On the Spectral Efficiency of Movable and Rotary Antenna Arrays under Rician Fading

Eduardo Noboro Tominaga, Onel Luis Alcaraz López, Tommy Svensson +2

Most works evaluating the performance of Multi-User Multiple-Input Multiple-Output (MU-MIMO) systems consider Access Points (APs) with fixed antennas, that is, without any movement…