activity
20162026
most citedBeamforming Technologies for Ultra-Massive MIMO in Terahertz Communications

265 citations · 1.4k across the 96 of their papers we have counts for

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54 papers · 1 filter

cs.IT2026

Rotatable Antenna Meets Multiple Access: NOMA or OMA?

Qi Dai, Beixiong Zheng, Yanhua Tan +3

Rotatable antenna (RA) technology has emerged as a promising solution to enhance spectrum efficiency by exploiting additional spatial degrees of freedom (DoFs) in multiple access n…

cs.IT2026

Rotatable Antenna-Enabled Mobile Edge Computing

Qiyao Wang, Beixiong Zheng, Xue Xiong +4

In the evolving landscape of mobile edge computing (MEC), enhancing communication reliability and computation efficiency to support increasingly stringent low-latency services rema…

cs.IT2026

Secure Communication in MIMOME Movable-Antenna Systems with Statistical Eavesdropper CSI

Lei Xie, Peilan Wang, Guanxiong Shen +3

This paper investigates the potential of movable antennas (MAs) to enhance physical layer security within a multiple-input multiple-output multiple-antenna eavesdropper (MIMOME) sy…

cs.IT2026

Precoding Matrix Indicator in the 5G NR Protocol: A Tutorial on 3GPP Beamforming Codebooks

Boyu Ning, Haifan Yin, Sixu Liu +8

This paper bridges this critical gap by providing a systematic examination of the beamforming codebook technology, i.e., precoding matrix indicator (PMI), in the 5G NR from theoret…

cs.IT2025

Movable Antenna Empowered Near-Field Sensing via Antenna Position Optimization

Yushen Wang, Weidong Mei, Xin Wei +3

Movable antenna (MA) technology exhibits great promise for enhancing the sensing capabilities of future sixth-generation (6G) networks due to its capability to alter antenna array…

cs.IT2025

Energy-Efficient Movable Antennas: Mechanical Power Modeling and Performance Optimization

Xin Wei, Weidong Mei, Xuan Huang +2

Movable antennas (MAs) offer additional spatial degrees of freedom (DoFs) to enhance communication performance through local antenna movement. However, to achieve accurate and fast…

cs.IT2025

Movable-Antenna-Enhanced Physical-Layer Service Integration: Performance Analysis and Optimization

Xuanlin Shen, Xin Wei, Weidong Mei +3

Movable antennas (MAs) have drawn increasing attention in wireless communications due to their capability to create favorable channel conditions via local movement within a confine…

cs.IT2025

Robust Movable-Antenna Position Optimization with Imperfect CSI for MISO Systems

Haifeng Ma, Weidong Mei, Xin Wei +2

Movable antenna (MA) technology has emerged as a promising solution for reconfiguring wireless channel conditions through local antenna movement within confined regions. Unlike pre…

cs.IT2025

Mechanical Power Modeling and Energy Efficiency Maximization for Movable Antenna Systems

Xin Wei, Weidong Mei, Xuan Huang +2

Movable antennas (MAs) have recently garnered significant attention in wireless communications due to their capability to reshape wireless channels via local antenna movement withi…

cs.IT2025

A Tutorial on Six-Dimensional Movable Antenna for 6G Networks: Synergizing Positionable and Rotatable Antennas

Xiaodan Shao, Weidong Mei, Changsheng You +9

Six-dimensional movable antenna (6DMA) is a new and revolutionary technique that fully exploits the wireless channel spatial variations at the transmitter/receiver by flexibly adju…

cs.IT2025

A Tutorial on Movable Antennas for Wireless Networks

Lipeng Zhu, Wenyan Ma, Weidong Mei +7

Movable antenna (MA) has been recognized as a promising technology to enhance the performance of wireless communication and sensing by enabling antenna movement. Such a significant…

cs.IT2025

Power-Measurement-Based Channel Autocorrelation Estimation for IRS-Assisted Wideband Communications

He Sun, Lipeng Zhu, Weidong Mei +1

Channel state information (CSI) is essential to the performance optimization of intelligent reflecting surface (IRS)-aided wireless communication systems. However, the passive and…

cs.IT2025

Movable Antennas Meet Intelligent Reflecting Surface: Friends or Foes?

Xin Wei, Weidong Mei, Qingqing Wu +4

Movable antenna (MA) and intelligent reflecting surface (IRS) are considered promising technologies for the next-generation wireless communication systems due to their shared chann…

cs.IT2024

Throughput Maximization for Movable Antenna Systems with Movement Delay Consideration

Honghao Wang, Qingqing Wu, Ying Gao +4

In this paper, we model the minimum achievable throughput within a transmission block of restricted duration and aim to maximize it in movable antenna (MA)-enabled multiuser downli…

cs.IT2024★ 2 cited

RSRP Measurement Based Channel Autocorrelation Estimation for IRS-Aided Wideband Communication

He Sun, Lipeng Zhu, Weidong Mei +1

The passive and frequency-flat reflection of IRS, as well as the high-dimensional IRS-reflected channels, have posed significant challenges for efficient IRS channel estimation, es…

cs.IT2024

Movable Antennas Meet Intelligent Reflecting Surface: When Do We Need Movable Antennas?

Xin Wei, Weidong Mei, Qingqing Wu +2

Intelligent reflecting surface (IRS) and movable antenna (MA)/fluid antenna (FA) techniques have both received increasing attention in the realm of wireless communications due to t…

cs.IT2024

Movable Antenna Enhanced AF Relaying: Two-Stage Antenna Position Optimization

Nianzu Li, Weidong Mei, Boyu Ning +1

The movable antenna (MA) technology has attracted increasing attention in wireless communications due to its capability for flexibly adjusting the positions of multiple antennas in…

cs.IT2024★ 3 cited

Optical IRS for Visible Light Communication: Modeling, Design, and Open Issues

Shiyuan Sun, Fang Yang, Weidong Mei +3

Optical intelligent reflecting surface (OIRS) offers a new and effective approach to resolving the line-of-sight blockage issue in visible light communication (VLC) by enabling red…

cs.IT2024★ 61 cited

Power Measurement Based Channel Estimation for IRS-Enhanced Wireless Coverage

He Sun, Lipeng Zhu, Weidong Mei +1

In this paper, we study an IRS-assisted coverage enhancement problem for a given region, aiming to optimize the passive reflection of the IRS for improving the average communicatio…

cs.IT2024

Channel Estimation for Optical Intelligent Reflecting Surface-Assisted VLC System: A Joint Space-Time Sampling Approach

Shiyuan Sun, Fang Yang, Weidong Mei +3

Optical intelligent reflecting surface (OIRS) has attracted increasing attention due to its capability of overcoming signal blockages in visible light communication (VLC), an emerg…

cs.IT2024

Channel Estimation for Optical IRS-Assisted VLC System via Spatial Coherence

Shiyuan Sun, Fang Yang, Weidong Mei +3

Optical intelligent reflecting surface (OIRS) has been considered a promising technology for visible light communication (VLC) by constructing visual line-of-sight propagation path…

cs.IT2024★ 1 cited

Movable-Antenna Position Optimization: A Graph-based Approach

Weidong Mei, Xin Wei, Boyu Ning +2

Fluid antennas (FAs) and movable antennas (MAs) have emerged as promising technologies in wireless communications, which offer the flexibility to improve channel conditions by adju…

cs.IT2023★ 3 cited

Intelligent Surfaces Empowered Wireless Network: Recent Advances and The Road to 6G

Qingqing Wu, Beixiong Zheng, Changsheng You +11

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,…

cs.IT2023

User Power Measurement Based IRS Channel Estimation via Single-Layer Neural Network

He Sun, Weidong Mei, Lipeng Zhu +1

One main challenge for implementing intelligent reflecting surface (IRS) aided communications lies in the difficulty to obtain the channel knowledge for the base station (BS)-IRS-u…