With the exponential growth of the data traffic in wireless communication systems, terahertz
(THz) frequency band is envisioned as a promising candidate to support ultra-broadband for …

Extremely large-scale antenna arrays, tremendously high frequencies, and new types of
antennas are three clear trends in multi-antenna technology for supporting the sixth …

Intelligent reflecting surface (IRS) is a promising technology to reconfigure wireless
channels, which brings a new degree of freedom for the design of future wireless networks …

Millimeter wave (mmWave) communications have recently attracted large research interest,
since the huge available bandwidth can potentially lead to the rates of multiple gigabit per …

In recent years, unmanned aerial vehicles (UAVs) have received considerable attention from
regulators, industry and research community, due to rapid growth in a broad range of …

Owing to the recent advances of non-orthogonal multiple access (NOMA) and millimeter-
wave (mmWave), these two technologies are combined in unmanned aerial vehicle (UAV) …

Intelligent reflecting surface (IRS) offers a cost-effective solution to link blockage problem in
mmWave communications, and the prerequisite of which is the accurate estimation of (1) the …

Next-generation cellular technologies, commonly referred to as the sixth generation (6G),
are envisioned to support a higher system capacity, better performance, and network …

In this letter, we study efficient near-field beam training design for the extremely large-scale
array (XL-array) communication systems. Compared with the conventional far-field beam …

Terahertz (THz) communications open a new frontier for the wireless network thanks to their
dramatically wider available bandwidth compared to the current micro-wave and …