The mechanical antenna (MA) is a new type of low-frequency (LF) transmitting antenna that
generates an alternating electromagnetic (EM) signal through the mechanical movement of …

The frequencies lying between 300 Hz to 3 kHz have been designated as Ultra Low
Frequency (ULF) with corresponding wavelengths from 1000 Km to 100 Km. Although ULF …

Ultra-miniaturized and highly power-efficient ELF (0.3-3 kHz) transmitters are desirable for
underground and undersea wireless communications. This paper proposes the use of …

The radio waves commonly used in terrestrial wireless communication are severely
absorbed by the conductive seawater. However, the low-frequency magnetic fields can …

This paper presents some theoretical and experimental analyses of the rotating-magnet
based mechanical antenna (RMBMA), a promising portable transmitting antenna for ELF …

A novel stacked magnetic pendulum array (MPA) is proposed as an antenna for efficient
transmission in ultralow frequencies (ULF). The MPA structure consists of an array of …

Within the burgeoning 6G wireless network landscape, there is an intensified push toward
achieving all-encompassing accessibility through integrated solutions spanning a multitude …

Electromagnetic signals in the ultralow frequency (ULF) range below 3 kHz are well suited
for underwater and underground wireless communication thanks to low signal attenuation …

This paper investigates the electromagnetic characteristics of a spinning magnet as a
possible mechanical antenna. The equivalent relation between a spinning magnet and an …

The demand for pipeline inspection has promoted the development of pipeline robots and
associated localization and communication technologies. Among these technologies, ultra …