1 citations · 2 across the 7 of their papers we have counts for
8 papers
2D Block OMP for Near-Field Channel Estimation with Extremely Large-Scale UPA
Hongwei Wang, Shuai Wang, Xiaofei Long +2
Channel estimation for extremely large-scale uniform planar arrays (UPAs) requires exploiting near-field channel structure to reduce pilot overhead. With a specifically devised cha…
Near-Field Wideband Channel Estimation for Extremely Large-Scale RIS-Aided Communication Systems
Lanqing Zhi, Hongwei Wang, Lingxiang Li +1
This paper studies wideband channel estimation for OFDM systems assisted by extremely large RIS (XL-RIS). Due to the large aperture of XL-RISs, the user equipment may operate in th…
Near-Field Channel Estimation for mmWave/THz Communications with Extremely Large-Scale UPAs
Yiming Chen, Hongwei Wang, Lingxiang Li +1
Extremely large antenna arrays (ELAAs) are widely adopted in mmWave/THz communications to compensate for the severe path loss, wherein the channel estimation remains a significant…
Compressive Near-Field Wideband Channel Estimation for THz Extremely Large-scale MIMO Systems
Jionghui Wang, Hongwei Wang, Jun Fang +2
We consider the channel acquisition problem for a wideband terahertz (THz) communication system, where an extremely large-scale array is deployed to mitigate severe path attenuatio…
Line Spectral Estimation with Unlimited Sensing
Hongwei Wang, Jun Fang, Hongbin Li +1
In the paper, we consider the line spectral estimation problem in an unlimited sensing framework (USF), where a modulo analog-to-digital converter (ADC) is employed to fold the inp…
Near/Far-Field Channel Estimation For Terahertz Systems With ELAAs: A Block-Sparse-Aware Approach
Hongwei Wang, Jun Fang, Huiping Duan +1
Millimeter wave/Terahertz (mmWave/THz) communication with extremely large-scale antenna arrays (ELAAs) offers a promising solution to meet the escalating demand for high data rates…
Compressed CPD-Based Channel Estimation and Joint Beamforming for RIS-Assisted Millimeter Wave Communications
Xi Zheng, Jun Fang, Hongwei Wang +2
We consider the problem of channel estimation and joint active and passive beamforming for reconfigurable intelligent surface (RIS) assisted millimeter wave (mmWave) multiple-input…
Spatial Channel Covariance Estimation and Two-Timescale Beamforming for IRS-Assisted Millimeter Wave Systems
Hongwei Wang, Jun Fang, Huiping Duan +1
We consider the problem of spatial channel covariance matrix (CCM) estimation for intelligent reflecting surface (IRS)-assisted millimeter wave (mmWave) communication systems. Spat…