Designing, building, and characterizing RF switch-based reconfigurable intelligent surfaces

M Rossanese, P Mursia, A Garcia-Saavedra… - Proceedings of the 16th …, 2022 - dl.acm.org
In this paper, we present our experience designing, prototy**, and empirically
characterizing RF Switch-based Reconfigurable Intelligent Surfaces (RIS). Our RIS design …

{LightThief}: Your Optical Communication Information is Stolen behind the Wall

X Liu, W Wang, G Song, T Zhu - 32nd USENIX Security Symposium …, 2023 - usenix.org
Optical Wireless Communication (OWC) is a viable and promising alternative to traditional
Radio Frequency (RF) based communication links. Especially for the security issue, since …

Judo: addressing the energy asymmetry of wireless embedded systems through tunnel diode based wireless transmitters

A Varshney, W Yan, P Dutta - Proceedings of the 20th Annual …, 2022 - dl.acm.org
The radio transmitter is the most power-consuming component of a wireless embedded
system. We present Judo, a radio transmitter that enables power balance between the …

Toward sustainable greenhouses using battery-free LiFi-enabled Internet of Things

BG Guzman, J Talavante, DF Fonseca… - IEEE …, 2023 - ieeexplore.ieee.org
As the world faces a changing climate, agriculture needs to develop more efficient and
sustainable food production systems. Traditional farming methods consume considerable …

LiFi for low-power and long-range RF backscatter

MS Mir, BG Guzman, A Varshney… - … /ACM Transactions on …, 2023 - ieeexplore.ieee.org
Light bulbs have been recently explored to design Light Fidelity (LiFi) communication to
battery-free tags, thus complementing Radiofrequency (RF) backscatter in the uplink. In this …

NeuroCamTags: Long-Range, Battery-free, Wireless Sensing with Neuromorphic Cameras

D Scott, M Bringle, I Fahad, G Morales, A Zahid… - Proceedings of the …, 2024 - dl.acm.org
In this research, we introduce NeuroCamTags, a battery-free platform designed to detect a
range of rich human interactions and activities in entire rooms and floors without the need for …

TunnelLiFi: Bringing LiFi to Commodity Internet of Things Devices

MS Mir, W Yan, P Dutta, D Giustiniano… - Proceedings of the 24th …, 2023 - dl.acm.org
LiFi, light-fidelity, is a wireless technology that uses visible light for data transmission. It has
several advantages, such as using a different part of electromagnetic spectrum than radio …

A System Architecture for Battery-free IoT Networks

DF Fonseca, BG Guzman… - 2023 IEEE 31st …, 2023 - ieeexplore.ieee.org
While much research effort has been invested in long-range and low-power uplink
communication for battery-free IoT networks, current deployments lack a scalable …