The initial access in Millimeter wave (mmWave) 5G communications is very challenging and
time consuming. In general, mmWave and terahertz communications require the use of …

Millimeter-wave will be a key technology in next-generation wireless networks thanks to
abundant bandwidth availability. However, the use of large antenna arrays with …

Beamforming training or cell discovery (CD) is a fundamental procedure in millimeter wave
communication systems in which the user detects the presence of a base station, acquires …

Millimeter wave (mmWave) communications based on unmanned aerial vehicles (UAVs) are
very promising in the fifth generation (5G) and future communication networks due to its ultra …

For unmanned aerial vehicle (UAV) millimeter-wave (mmWave) communication systems,
efficient and accurate beam training is urgently required to overcome beam misalignment …

Millimeter-wave communications rely on narrow-beam transmissions to cope with the strong
signal attenuation at these frequencies, thus demanding precise alignment between …

A robust and adaptive variable length beam selection strategy based on M-ary sequential
competition was proposed. It was enhanced by the elimination of inauspicious beams during …

Background. Over the last decade, mobile traffic has experienced tremendous growth.
Millimeter-wave (mmWave) communications have emerged as a promising solution to meet …

Millimeter-wave communications use narrow beams to overcome the enormous signal
attenuation. Such narrow-beam communication demands precise beam-alignment between …

Establishing and training beams in unmanned aerial vehicle (UAV) assisted millimeter-wave
(mmWave) communications is a challenging task. In this paper, a novel beam training …