In millimeter-wave communication, large antenna arrays are required to achieve high power
gain by steering toward each other with narrow beams, which poses the problem to …

Owing to abundant spectrum resources, millimeter wave (mmwave) communication
promises to provide Gbps data rates, which, however, may be restricted by large path-loss …

Huge overhead of beam training imposes a significant challenge in millimeter-wave
(mmWave) wireless communications. To address this issue, in this paper, we propose a …

Millimeter-wave (mm-wave) communication systems can provide much higher data rates
than systems operating at lower frequencies, but achieving such rates over sufficiently large …

Millimeter wave (mm-wave) communication is expected to be widely deployed in fifth
generation (5G) wireless networks due to the substantial bandwidth available for licensed …

The use of the millimeter (mm) wave spectrum for next generation (5G) mobile
communication has gained significant attention recently. The small carrier wavelengths at …

Beamforming (BF) design for large-scale antenna arrays with limited radio frequency chains
and the phase-shifter-based analog BF architecture, has been recognized as a key issue in …

In this article, multiuser beam training based on hierarchical codebook for millimeter wave
massive multi-input multi-output is investigated, where the base station (BS) simultaneously …

The existing channel estimation methods for millimeter-wave communications, eg,
hierarchical search and compressed sensing, either acquire only one single multipath …

Millimeter wave communications, equipped with large-scale antenna arrays, are able to
provide Gbps data rates by exploring abundant spectrum resources. However, the use of a …