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 …

Extremely large-scale multiple-input multiple-output (XL-MIMO) is a promising technology for
the sixth-generation (6G) mobile communication networks. By significantly boosting the …

Intelligent surfaces (ISs) have emerged as a key technology to empower a wide range of
appealing applications for wireless networks, due to their low cost, high energy efficiency …

Reconfigurable intelligent surface (RIS)-aided near-field communications are investigated.
First, the necessity of investigating RIS-aided near-field communications and the …

Multiple-antenna technologies are evolving towards large-scale aperture sizes, extremely
high frequencies, and innovative antenna types. This evolution is giving rise to the …

Extremely large-scale array (XL-array) has emerged as a promising technology to enhance
the spectrum efficiency and spatial resolution in future wireless networks by exploiting …

Extremely large-scale arrays (XL-arrays) have emerged as a promising technology to
achieve super-high spectral efficiency and spatial resolution in future wireless systems. The …

Prior works on near-field beam training have mostly assumed dedicated polar-domain
codebook and on-grid range estimation, which, however, may suffer long training overhead …

As a form of artificial intelligence (AI) technology based on interactive learning, deep
reinforcement learning (DRL) has been widely applied across various fields and has …

Extremely large-scale multiple-input multiple-output (XL-MIMO) systems are capable of
improving spectral efficiency by employing far more antennas than conventional massive …