Due to the openness of wireless medium and the public structure of pilot signals, wireless sensing procedure is vulnerable to eavesdropping, which causes privacy concerns. In this paper, a novel ...

In this paper, we report the design of a planar phase-correcting metasurface (PCMS), constructed by true-time-delay (TTD) unit cells, that transform the nonuniform aperture phase of the conventional ...

For the best reception, the sections of coax need to be half a wavelength long – but the wavelength of the signal inside the coax, which is shorter than the wavelength in free space.

Cellular signal boosters use big antennas to improve the coverage in your home or car. These are the top signal boosters for apartments, houses, and vehicles.

FORT WAYNE, Ind. (WPTA) - As 21Alive News’ antenna tower is under maintenance, some viewers are experiencing temporary signal disruptions. As work is being done, we are using a secondary antenna, ...