Channel estimation for extremely large-scale MIMO: Far-field or near-field?
Extremely large-scale multiple-input-multiple-output (XL-MIMO) is promising to meet the
high rate requirements for future 6G. To realize efficient precoding, accurate channel state …
high rate requirements for future 6G. To realize efficient precoding, accurate channel state …
Fast beam training and alignment for IRS-assisted millimeter wave/terahertz systems
Intelligent reflecting surface (IRS) has emerged as a competitive solution to address
blockage issues in millimeter wave (mmWave) and Terahertz (THz) communications due to …
blockage issues in millimeter wave (mmWave) and Terahertz (THz) communications due to …
Deep reinforcement learning based end-to-end multiuser channel prediction and beamforming
In this paper, reinforcement learning (RL) based end-to-end channel prediction (CP) and
beamforming (BF) algorithms are proposed for multi-user downlink system. Different from the …
beamforming (BF) algorithms are proposed for multi-user downlink system. Different from the …
Effects of SNR-dependent beam alignment errors on millimeter-wave cellular networks
At millimeter-wave (mm-wave) frequencies, narrow beamwidth and inaccurate channel
estimation result in beam alignment errors, which degrade the achievable signal-to-noise …
estimation result in beam alignment errors, which degrade the achievable signal-to-noise …
Near-field channel estimation for ultra-massive MIMO antenna array with hybrid architecture
A Hussain, A Abdallah… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
Ultra massive multiple-input-multiple-output (UM-MIMO) has emerged as a prospective
capacity-enhancing technology for next generation (NG) networks. To harness its full …
capacity-enhancing technology for next generation (NG) networks. To harness its full …
Channel Estimation for Wideband mmWave MIMO-OFDM System with Beam Squint Effect
Y Shi, Y Huang, XW Tang, Y **ao - IEEE Communications …, 2023 - ieeexplore.ieee.org
Millimeter-wave (mmWave) communication has been widely considered as a key enabler for
the future wireless systems. To combat the high propagation loss associated with mmWave …
the future wireless systems. To combat the high propagation loss associated with mmWave …
[PDF][PDF] Redefining polar boundaries for near-field channel estimation for ultra-massive MIMO antenna array
Ultra massive multiple-input-multiple-output (UMMIMO) technology has emerged as a
promising candidate for 6G networks, offering ultra-high spectral efficiency in wireless …
promising candidate for 6G networks, offering ultra-high spectral efficiency in wireless …
Joint Radar, Communication, and Integration of Beamforming Technology
K Hussain, IY Oh - Electronics, 2024 - mdpi.com
In this paper, we dive into the exciting world of wireless communication, focusing on how
millimeter-wave technology and Multiple-Input Multiple-Output phased array antennas are …
millimeter-wave technology and Multiple-Input Multiple-Output phased array antennas are …
A Systematic Review on Beamforming Aided Channel Estimation Techniques for MIMO System
LR Reddy, BD Mathews - 2023 Third International Conference …, 2023 - ieeexplore.ieee.org
Beamforming antenna array technologies merged with Multiple-Input Multiple-Output
(MIMO) systems perform a significant part in the next generation wireless technology. The …
(MIMO) systems perform a significant part in the next generation wireless technology. The …
Dynamic Hybrid-field Channel Estimation for Extremely Large-scale Massive MIMO
X Yan, J Yuan - 2024 IEEE Wireless Communications and …, 2024 - ieeexplore.ieee.org
The significantly increased array aperture and the higher communication frequency band in
extremely large-scale massive multiple-input multiple-output (XL-MIMO) systems con …
extremely large-scale massive multiple-input multiple-output (XL-MIMO) systems con …