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Through adaptive antenna repositioning, the movable antenna (MA) technology enables on-demand reconfiguration of wireless channels, thereby creating an additional spatial degree of freedom in improving communication performance. This paper…

Information Theory · Computer Science 2026-04-23 Guojie Hu , Qingqing Wu , Lipeng Zhu , Kui Xu , Guoxin Li , Tong-Xing Zheng

Movable antennas (MAs) have recently garnered significant attention in wireless communications due to their capability to reshape wireless channels via local antenna movement within a confined region. However, to achieve accurate antenna…

Information Theory · Computer Science 2025-05-12 Xin Wei , Weidong Mei , Xuan Huang , Zhi Chen , Boyu Ning

This paper investigates physical layer security (PLS) in a movable antenna (MA)-assisted full-duplex (FD) system. In this system, an FD base station (BS) with multiple MAs for transmission and reception provides services for an uplink (UL)…

Information Theory · Computer Science 2025-03-18 Jingze Ding , Zijian Zhou , Chenbo Wang , Wenyao Li , Lifeng Lin , Bingli Jiao

Fluid antenna (FA) systems offer novel spatial degrees of freedom (DoFs) with the potential for significant performance gains. Compared to existing works focusing solely on optimizing FA positions at discrete time instants, we introduce the…

Signal Processing · Electrical Eng. & Systems 2026-03-30 Shuaixin Yang , Yijia Li , Yue Xiao , Yong Liang Guan , Kai-Kit Wong , Hyundong Shin , Chau Yuen

The movable antenna (MA) is a promising technology to exploit more spatial degrees of freedom for enhancing wireless system performance. However, the MA-aided system introduces the non-convex antenna distance constraints, which poses…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Yichen Jin , Qingfeng Lin , Yang Li , Yik-Chung Wu

In mobile systems with low-altitude vehicles, integrated sensing and communication (ISAC) is considered an effective approach to increase the transmission rate due to limited spectrum resources. To further improve the ISAC performance, this…

Signal Processing · Electrical Eng. & Systems 2024-09-25 Yue Xiu , Songjie Yang , Wanting Lyu , Phee Lep Yeoh , Yonghui Li , Yi Ai

The frequency diverse array (FDA) is highly promising for improving covert communication performance by adjusting the frequency of each antenna at the transmitter. However, when faced with the cases of multiple wardens and highly correlated…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Zihao Cheng , Jiangbo Si , Zan Li , Pengpeng Liu , Xiaoting Wang , Naofal Al-Dhahir

Contemporary wireless communication systems rely on Multi-User Multiple-Input Multiple-Output (MU-MIMO) techniques. In such systems, each Access Point (AP) is equipped with multiple antenna elements and serves multiple devices…

Information Theory · Computer Science 2024-12-24 Eduardo Noboro Tominaga , Onel Luis Alcaraz López , Tommy Svensson , Richard Demo Souza , Hirley Alves

In this paper, we propose a distributed flexible coupler antenna (FCA) array to enhance communication performance with low hardware cost. At each FCA, there is one fixed-position active antenna and multiple passive couplers that can move…

Information Theory · Computer Science 2026-04-03 Xiaodan Shao , Chuangye Shan , Weihua Zhuang , Xuemin Shen

Polarforming has emerged as a promising technique to enable the antenna to shape its polarization into a desired state for aligning with that of the received electromagnetic (EM) wave or reconfiguring that of the transmitted EM wave. In…

Systems and Control · Electrical Eng. & Systems 2025-10-21 Zijian Zhou , Jingze Ding , Rui Zhang

In this paper, we study a movable antenna (MA) empowered secure transmission scheme for reconfigurable intelligent surface (RIS) aided cell-free symbiotic radio (SR) system. Specifically, the MAs deployed at distributed access points (APs)…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Bin Lyu , Jiayu Guan , Meng Hua , Changsheng You , Tianqi Mao , Abbas Jamalipour

Movable antenna (MA) array is a novel technology recently developed where positions of transmit/receive antennas can be flexibly adjusted in the specified region to reconfigure the wireless channel and achieve a higher capacity. In this…

Information Theory · Computer Science 2023-11-14 Guojie Hu , Qingqing Wu , Kui Xu , Jiangbo Si , Naofal Al-Dhahir

Movable antenna (MA) and intelligent reflecting surface (IRS) are considered promising technologies for the next-generation wireless communication systems due to their shared channel reconfiguration capabilities. This, however, raises a…

Information Theory · Computer Science 2025-07-04 Xin Wei , Weidong Mei , Qingqing Wu , Qiaoran Jia , Boyu Ning , Zhi Chen , Jun Fang

In this letter, we propose a novel Movable Superdirective Pairs (MSP) approach that combines movable antennas with superdirective pair arrays to enhance the performance of millimeter-wave (mmWave) communications on the user side. By…

Information Theory · Computer Science 2025-01-03 Liangcheng Han , Haifan Yin , Mengying Gao , Rui Zhang

We investigate resource allocation for a movable antenna (MA) enabled integrated sensing and communication (ISAC) system scanning a sector for sensing and simultaneously serving multiple communication users using multiple variable-length…

Signal Processing · Electrical Eng. & Systems 2025-03-25 Ata Khalili , Robert Schober

This paper presents an end-to-end deep learning framework in a movable antenna (MA)-enabled multiuser communication system. In contrast to the conventional works assuming perfect channel state information (CSI), we address the practical CSI…

Information Theory · Computer Science 2025-09-16 Ruizhi Zhang , Yuchen Zhang , Lipeng Zhu , Ying Zhang , Rui Zhang

This paper presents a novel wireless sensing system where a movable antenna (MA) continuously moves and receives sensing signals within a three-dimensional (3-D) region to enhance sensing performance compared with conventional…

Information Theory · Computer Science 2026-03-12 Wenyan Ma , Lipeng Zhu , Xiaodan Shao , Rui Zhang

This paper provides a thorough mathematical analysis of continuous movable antenna (MA) arrays. Focusing on the multiple antenna case, we consider a linear antenna array with multiple fixed antenna elements that moves along a line. We…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Gayani Siriwardana , Peter J. Smith , Himal A. Suraweera , Rajitha Senanayake

Movable antenna (MA) systems have recently attracted significant attention in the field of wireless communications owing to their exceptional capability to proactively reconfigure wireless channels via flexible antenna movements. In this…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Nianzu Li , Peiran Wu , Lipeng Zhu , Weidong Mei , Boyu Ning , Derrick Wing Kwan Ng

In this paper, we introduce movable antenna (MA) technology into orthogonal time frequency space (OTFS) systems to enable wavelength-level antenna position optimization under imperfect channel state information (CSI), thereby mitigating…

Information Theory · Computer Science 2026-04-28 Maoyuan Wang , Qian Zhang , Yufei Zhao , Xuejun Cheng , Zheng Dong , Deqiang Wang , Yong Liang Guan