This article experimentally demonstrates a frequency-sweeping notch-beam sub-THz radar
frontend based on a two-line array antenna featuring computational imaging. Operating …

Extremely large-scale multiple-input multiple-output (XL-MIMO) wideband systems may
exhibit the severe delay spread, due to its spatial-and frequency-wideband (dual-wideband) …

The beam squint effect, which manifests in different steering matrices in different sub-bands,
has been widely considered a challenge in millimeter wave (mmWave) multi-input multi …

Terahertz (THz) communication is a cutting-edge technology for the sixth-generation (6G)
networks, offering vast bandwidths and data rates up to terabits per second, significantly …

In this paper, we consider the time-varying channel estimation in millimeter wave (mmWave)
multiple-input multiple-output MIMO systems with hybrid beamforming architectures …

To overcome the frequency-selective fading of high-frequency communications, this letter
proposes a delay pre-compensation scheme for the intelligent reflecting surfaces (IRS) …

Massive multiple-input multiple-output (mMIMO) channels in wideband systems may exhibit
the severe delay spread, due to its spatial-and frequency-wideband (dual-wideband) effects …

This paper investigates sub-THz computational imaging using compact, wideband, cavity-
backed frequencydiverse antennas fabricated through silicon micromachining techniques …

THz computational imaging using dual-polarization, wideband, frequency-diverse antennas
fabricated through silicon micromachining techniques. These antennas—one with a …

This paper presents a novel adaptive IFFT range-gating method for enhanced radar imaging
performance, validated experimentally using a minimalistic frequency-scanning notch-beam …