The emerging millimeter-wave massive multiple-input multiple-output (MIMO) with lens
antenna arrays, which is also known as “beamspace MIMO,” can effectively reduce the …

Lens antenna array (LAA), as a promising architecture in millimeter-wave (mmWave)
massive MIMO systems, which can considerably reduce the number of required radio …

We present the design of a novel K-band radar architecture for short-range target detection.
Applications include direction finding systems and automotive radar. The developed system …

Switched beam antennas provide an efficient and cost effective alternative to complex
phased array and digital beam forming techniques. In this paper, we present the design and …

In this paper, we study the hybrid beamforming for the wideband mmWave multiuser MIMO-
OFDM system. We characterize the frequency-dependent beam angle problem, ie, beam …

Millimeter wave (mm-wave) communications has been sighted as solution becoming strong
technology for the fifth generation networks. That is because, it brings orders of degree …

The dimension of millimeter wave massive multiple input multiple output (mmWave mMIMO)
and required number of radio frequency (RF) chains can be reduced without performance …

Metasurfaces are artificial composite materials with subwavelength inclusions which have
been shown to enable very versatile manipulation of electromagnetic waves. Especially at …

methods related to improving the performance of MIMO channel models in wireless
communication systems based on IEEE 802.11 standards and 4/5G mobile communication …