Actively exploited Apache ActiveMQ flaw impacts 6,400 servers

Nonprofit security organization Shadowserver found that over 6,400 Apache ActiveMQ servers exposed online are vulnerable to ...
IEEE

Wide-Angle and Wideband Millimeter-Wave Beam-Scanning Array Using Multimode Shorted Patch Antenna Elements for Unmanned Aerial Vehicle Communication

Abstract: This article presents a wideband millimeter-wave (mmWave) phased array with a large beam-scanning angle for the communication of unmanned aerial vehicle (UAV). The proposed array is composed ...
IEEE

Harmonic Beam Manipulation Using A Guided-Wave-Excited Space-Time Digital Coding Metasurface

Abstract: This paper proposes a guided-wave-excited space-time digital coding metasurface (STCDM) for harmonic beam scanning and independent multi-harmonic beam control. To realize real-time control ...