In this contribution, we propose a reliable, long-range, communication system based on
chirp spread spectrum (CSS) techniques for aerial ultrasonic channels, to be used for user …

Ferroelectric films are increasingly used as sensing and actuating elements in Internet of
Things (IoT) devices. Recent studies have focused on achieving device-quality ferroelectric …

Security is important in the Internet of Things (IoT) due to the widespread adoption of IoT
devices in home and enterprise networks. Multi-factor authentication (MFA) is an effective …

The proliferation of Internet of Things (IoT) devices in modern society has seen an
increasing dependence on sensors, particularly cameras and microphones, to enhance …

Acoustic wireless communications have been studied and researched in underwater
systems, and are also gaining in popularity in over-the-air systems where acoustic …