With the advent of 5G and future trends for communication systems moving to millimeter
wave (MMW) and higher frequencies, antennas will be required to have high gain, wide …

Gradient index lens antennas find their application in modern wireless communication
including radar systems, satellite communication, etc. They can ensure highly directional …

Millimeter-wave backscatter can simultaneously support high-precision sensing and
massive communication and represent one prominent technical evolution in next-generation …

An earlier version of this paper was presented at the 2021 15th European Conference on
Antennas and Propagation (EuCAP) and was published in its Proceedings. This paper …

This paper proposes closed-form analytical models for the determination of the effective
relative permittivity of 3D printed artificial dielectric substrates based on a cross unit cell. The …

This paper presents a wide-angle partial Maxwell Fish-Eye (PMFE) lens antenna for W-band
millimeter-wave communication, which is realized by alumina 3D printing using lithography …

This study presents a broadband, 3D gradient index beam-steering lens, derived from an
optimized modification of the partial Maxwell fisheye (PMFE) design, achieving a boresight …

Additive manufacturing (AM), otherwise known as 3D printing, is a growing research area for
RF (radio frequency) components due to its low cost, lightweight, rapid manufacturing …

This paper presents a novel passive frequency-coded retroreflective tag landmark (radar
target) based on a flattened quasi-conformal transformation optics Luneburg lens enabling …

Gradient-Index (GRIN) lenses provide simple feeding networks and a low cost for high gain
required in various fields such as military, mm-wave, 5G, and radar. Also, unlike a …