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In this correspondence, we study deploying movable antenna (MA) array in a wideband multiple-input-single-output (MISO) communication system, where near-field (NF) channel model is considered. To alleviate beam squint effect, we propose to…

Information Theory · Computer Science 2025-08-28 Yanze Zhu , Qingqing Wu , Yang Liu , Qingjiang Shi , Wen Chen

Movable Antenna (MA) technology is emerging as a promising advancement with the potential to significantly enhance the performance of future wireless communication and sensing systems. In this paper, we address two-dimensional (2D)…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Chengzhi Ye , Ruoyu Zhang , Lei Yao , Wen Wu

In practical mobile communication engineering applications, surfaces of antenna array deployment regions are usually uneven. Therefore, massive multi-input-multi-output (MIMO) communication systems usually transmit wireless signals by…

Information Theory · Computer Science 2016-04-19 Xiaohu Ge , Ran Zi , Haichao Wang , Jing Zhang , Minho Jo

In the future commercial and military communication systems, anti-jamming remains a critical issue. Existing homogeneous or heterogeneous arrays with a limited degrees of freedom (DoF) and high consumption are unable to meet the…

Information Theory · Computer Science 2023-10-17 Kaizhi Huang , Wenyu Jiang , Yajun Chen , Liang Jin , Qingqing Wu , Xiaoling Hu

Movable-antennas (MAs) are revolutionizing spatial signal processing by providing flexible beamforming in next-generation wireless systems. This paper investigates an MA-empowered autonomous aerial vehicle (AAV) system in low-altitude…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Xuhui Zhang , Wenchao Liu , Jinke Ren , Chunjie Wang , Huijun Xing , Yanyan Shen , Shuguang Cui

Backscatter communication (BC) becomes a promising energy-efficient solution for future wireless sensor networks (WSNs). Unmanned aerial vehicles (UAVs) enable flexible data collection from remote backscatter devices (BDs), yet conventional…

Signal Processing · Electrical Eng. & Systems 2024-11-22 Yu Bai , Boxuan Xie , Ruifan Zhu , Zheng Chang , Riku Jantti

In physical layer security, the channel state information (CSI) of passive eavesdroppers is usually difficult to obtain, which has motivated sensing-aided secure communication (SASC). However, in secure multicast scenarios, conventional…

Information Theory · Computer Science 2026-05-12 Zequan Wang , Liang Yin , Hao Xu , Yunan Sun , Yitong Liu , Hongwen Yang

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

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is an emerging technology that…

Information Theory · Computer Science 2025-09-05 Beixiong Zheng , Tiantian Ma , Changsheng You , Jie Tang , Robert Schober , Rui Zhang

This paper studies multi-antenna-aided covert communications coexisting with randomly located wardens and interferers, considering both centralized and distributed antenna systems (CAS/DAS). The throughput performance of the covert…

Information Theory · Computer Science 2019-02-20 Tong-Xing Zheng , Hui-Ming Wang , Derrick Wing Kwan Ng , Jinhong Yuan

The emerging pinching antenna (PA) technology enables flexible antenna positioning for creating line-of-sight (LoS) links, thus offering substantial potential to facilitate ambient signal-based backscatter communication (BSC). This paper…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Yulei Wang , Yalin Liu , Yaru Fu , Yuanwei Liu

This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particular, to shelter the existence of communications between…

Information Theory · Computer Science 2023-08-31 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

In this paper, we propose a movable antenna (MA) enhanced scheme for wireless powered mobile edge computing (WP-MEC) system, where the hybrid access point (HAP) equipped with multiple MAs first emits wireless energy to charge wireless…

Information Theory · Computer Science 2024-04-30 Pengcheng Chen , Yuxuan Yang , Bin Lyu , Zhen Yang , Abbas Jamalipour

In this letter, we investigate a dynamic reconfigurable distributed antenna and reflection surface (RDARS)-driven secure communication system, where the working mode of the RDARS can be flexibly configured. We aim to maximize the secrecy…

Information Theory · Computer Science 2025-01-22 Ziqian Pei , Jintao Wang , Pingping Zhang , Zheng Shi , Guanghua Yang , Shaodan Ma

A novel over-the-air computation (AirComp) framework empowered by movable antennas (MAs) is proposed to significantly enhance computation accuracy. Within this framework, the joint optimization of transmit power control, antenna…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Shan Yang , Chongjun Ouyang , Xingqi Zhang

Multi-path sensing, which aims to extract the geometric attributes of multiple propagation paths, is expected to be a key functionality of 6G. A movable antenna (MA) can enable this functionality by creating a synthetic aperture through…

Information Theory · Computer Science 2026-04-14 Jaehong Kim , Jihong Park , Changsheng You , Seung-Woo Ko

This paper investigates movable antenna (MA) aided non-orthogonal multiple access (NOMA) for multi-user downlink communication, where the base station (BS) is equipped with a fixed-position antenna (FPA) array to serve multiple MA-enabled…

Information Theory · Computer Science 2024-12-18 Zhenyu Xiao , Zhe Li , Lipeng Zhu , Boyu Ning , Daniel Benevides da Costa , Xiang-Gen Xia , Rui Zhang

Finite-aperture constraints render array design nontrivial and can undermine the effectiveness of classical sparse geometries. This letter provides universal guidance for fluid antenna array (FAA) design under a fixed aperture. We derive a…

Information Theory · Computer Science 2026-05-08 Zhentian Zhang , Kai-Kit Wong , Hao Jiang , Farshad Rostami Ghadi , Hyundong Shin , Yangyang Zhang

Rotatable antenna (RA) provides additional spatial degrees of freedom (DoFs) for communication systems by enabling per-antenna dynamic boresight adjustment, which is attractive for fairness-oriented multicast transmission. This letter…

Information Theory · Computer Science 2026-03-30 Weihua Zhu , Beixiong Zheng , Lipeng Zhu , Jie Tang , Yong Zeng

Reconfigurable antennas (RAs) and movable antennas (MAs) have been recognized as promising technologies to enhance the performance of wireless communication and sensing systems by introducing additional degrees of freedom (DoFs) in tuning…

Signal Processing · Electrical Eng. & Systems 2026-02-23 Wenyan Ma , Lipeng Zhu , Yanhua Tan , Beixiong Zheng , Yujie Zhang , Yuchen Zhang , Keke Ying , Zhen Gao , He Sun , Xiaodan Shao , Zhenyu Xiao , Dusit Niyato , Rui Zhang
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