English
Related papers

Related papers: Flexible Precoding for Multi-User Movable Antenna …

200 papers

This article investigates the integration of movable antennas (MAs) into multicast communication systems. By discretizing the motion of the MAs, a novel MA-assisted multicast transmission architecture is formulated. An alternating…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang , Xingqi Zhang

We consider the downlink of a single-cell multi-user MIMO system in which the base station makes use of $N$ antennas to communicate with $K$ single-antenna user equipments (UEs) randomly positioned in the coverage area. In particular, we…

Information Theory · Computer Science 2016-11-17 Luca Sanguinetti , Emil Bjornson , Merouane Debbah , Aris Moustakas

Movable antenna (MA) has been recognized as a promising technology to improve communication performance in future wireless networks such as 6G. To unleash its potential, this paper proposes a novel architecture, namely extremely large-scale…

Information Theory · Computer Science 2025-06-04 Min Fu , Lipeng Zhu , Rui Zhang

Movable antenna (MA) systems have attracted growing interest in wireless communications due to their ability to reshape wireless channels via local antenna movement within a confined region. However, optimizing antenna positions to enhance…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Changhao Liu , Weidong Mei , Zhi Chen , Jun Fang , Boyu Ning

The movable antenna (MA) technology has attracted great attention recently due to its promising capability in improving wireless channel conditions by flexibly adjusting antenna positions. To reap maximal performance gains of MA systems,…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Ge Yan , Lipeng Zhu , Rui Zhang

Movable antennas (MAs) have emerged as a promising technology for wireless sensing by reconfiguring antenna positions to exploit additional spatial degrees of freedom (DoFs). This paper investigates a robust movable antenna placement…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Jinjian Liu , Xianxin Song , Xianghao Yu

This paper studies the deployment of multiple movable antennas (MAs) at the base station (BS) for enhancing the multiuser communication performance. First, we model the multiuser channel in the uplink to characterize the wireless channel…

Information Theory · Computer Science 2023-08-11 Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Rui Zhang

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

In this paper, we propose a new multiple-input multiple-output (MIMO) communication system with movable antennas (MAs) to exploit the antenna position optimization for enhancing the capacity. Different from conventional MIMO systems with…

Information Theory · Computer Science 2022-10-12 Wenyan Ma , Lipeng Zhu , Rui Zhang

This paper investigates flexible beamforming design in an integrated sensing and communication (ISAC) network with movable antennas (MAs). A bistatic radar system is integrated into a multi-user multiple-input-single-output (MU-MISO)…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen

Movable antenna (MA) is a promising technology to exploit the spatial variation of wireless channel for performance enhancement, by dynamically varying the antenna position within a certain region. However, for multi-antenna communication…

Information Theory · Computer Science 2024-10-11 Haiquan Lu , Yong Zeng , Shi Jin , Rui Zhang

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 a local region to reconfigure channel conditions. In this…

Information Theory · Computer Science 2024-08-13 Nianzu Li , Weidong Mei , Boyu Ning , Peiran Wu

In this paper, we propose an integrated sensing and communication (ISAC) system aided by the movable-antenna (MA) array, which can improve the communication and sensing performance via flexible antenna movement over conventional…

Information Theory · Computer Science 2025-01-15 Wenyan Ma , Lipeng Zhu , Rui Zhang

Movable antenna (MA) is an emerging technology that utilizes localized antenna movement to achieve better channel conditions for enhancing communication performance. In this paper, we study the MA-enhanced multicast transmission from a base…

Information Theory · Computer Science 2024-09-27 Ying Gao , Qingqing Wu , Wen Chen

Fluid antennas (FAs) and movable antennas (MAs) have drawn increasing attention in wireless communications recently due to their ability to create favorable channel conditions via local antenna movement within a confined region. In this…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Xin Wei , Weidong Mei , Dong Wang , Boyu Ning , Zhi Chen

Movable antennas (MAs), which can be swiftly repositioned within a defined region, offer a promising solution to the limitations of fixed-position antennas (FPAs) in adapting to spatial variations in wireless channels, thereby improving…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Ziyuan Zheng , Qingqing Wu , Wen Chen , Guojie Hu

In this paper, we investigate physical layer security (PLS) for full-duplex (FD) multi-user systems. We consider a base station (BS) that operates in FD mode and transmits artificial noise (AN) to simultaneously protect uplink (UL) and…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Jingze Ding , Zijian Zhou , Bingli Jiao

Movable antenna (MA) has emerged as a promising technology to enhance wireless communication performance by exploiting the new degree of freedom (DoF) via antenna position optimization. In this letter, we investigate the MA-enhanced wide…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Dong Wang , Weidong Mei , Zhi Chen , Boyu Ning

Movable antenna (MA) has been deemed as a promising technology to flexibly reconfigure wireless channels by adjusting the antenna positions in a given local region. In this paper, we investigate the application of the MA technology in both…

Signal Processing · Electrical Eng. & Systems 2025-07-31 Nianzu Li , Weidong Mei , Peiran Wu , Boyu Ning , Lipeng Zhu

The pinching-antenna systems (PASS) enable blockage mitigation in urban micro (UMi) networks through flexible antenna placement. However, the joint optimization of antenna positions and beamforming precoding is inherently nonconvex and…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Qiushi Zhao , Zihan Feng , Ximing Xie , Hao Qin , Yuanwei Liu , Xingqi Zhang