Abstract: As a physical layer security technology, directional modulation (DM) can be combined with intelligent reflect-ing surface (IRS) to improve the security of drone communications. In this paper ...

Abstract: This study proposes an orthogonal frequency division multiplexing (OFDM) based scheme to achieve interference-free backscatter communications (BC) in a symbiotic radio system. In this scheme ...

Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

Trump administration officials and Maryland leaders are set to hold urgent talks as the cost of rebuilding Baltimore's Francis Scott Key (FSK) Bridge has surged to as high as a projected $5.2 billion, ...