Nature

A wearable, ultrasonically-actuated magnetic-dipole rotating resonator for mobile communication in cross-medium environment

Traditional MHz and GHz electromagnetic antennas face challenges of high attenuation rate in cross-medium communication; while mechanical antennas are hindered by their large size, high energy ...
National Academies of Sciences%2c Engineering%2c and Medicine

Communication Mediums for Signal, ITS, and Freeway Surveillance Systems: Final Report

Unfortunately, this book can't be printed from the OpenBook. Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF.
Nature

A flexible, magnet-based miniaturized mechanical antenna enabling low-frequency cross-medium communication between unmanned systems

Extremely low frequency (ELF, 3–30 Hz) signals possess strong cross-medium communication capabilities, making them particularly well-suited for underground and underwater environments. However, ...