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Recently, movable antennas (MAs) have garnered immense attention due to their capability to favorably alter channel conditions through agile movement. In this letter, we delve into a spectrum sharing system enabled by unmanned aerial…

数值分析 · 数学 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

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…

信号处理 · 电气工程与系统科学 2025-03-25 Ata Khalili , Robert Schober

Device-to-device (D2D)-assisted mobile edge computing (MEC) is one of the critical technologies of future sixth generation (6G) networks. The core of D2D-assisted MEC is to reduce system latency for network edge UEs by supporting cloud…

信号处理 · 电气工程与系统科学 2024-12-17 Yue Xiu , Yang Zhao , Ran Yang , Huimin Tang , Long Qu , Maurice Khabbaz , Chadi Assi , Ning Wei

In this letter, we consider a new type of flexible-antenna system, termed pinching-antenna, where multiple low-cost pinching antennas, realized by activating small dielectric particles on a dielectric waveguide, are jointly used to serve a…

信息论 · 计算机科学 2025-02-19 Yanqing Xu , Zhiguo Ding , George K. Karagiannidis

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…

信息论 · 计算机科学 2025-09-16 Ruizhi Zhang , Yuchen Zhang , Lipeng Zhu , Ying Zhang , Rui Zhang

This paper analyzes a downlink C-NOMA scenario where a base station (BS) is deployed to serve a pair of users equipped with movable antenna (MA) technology. The user with better channel conditions with the BS will be able to transmit the…

系统与控制 · 电气工程与系统科学 2024-09-30 Ali Amhaz , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

This paper investigates movable antenna (MA) empowered secure transmission in near-field multiple-input multiple-output (MIMO) communication systems, where the base station (BS) equipped with an MA array transmits confidential information…

信息论 · 计算机科学 2025-09-03 Yaodong Ma , Kai Liu , Yanming Liu , Lipeng Zhu

Fluid antennas (FAs) and mobile antennas (MAs) are innovative technologies in wireless communications that are able to proactively improve channel conditions by dynamically adjusting the transmit/receive antenna positions within a given…

信号处理 · 电气工程与系统科学 2024-08-19 Weidong Mei , Xin Wei , Yijie Liu , Boyu Ning , Zhi Chen

In this paper, we present a new wireless sensing system utilizing a movable antenna (MA) that continuously moves and receives sensing signals to enhance sensing performance over the conventional fixed-position antenna (FPA) sensing. We show…

信息论 · 计算机科学 2025-09-22 Wenyan Ma , Lipeng Zhu , Rui Zhang

Six-dimensional movable antenna (6DMA) is an effective approach to improve wireless network capacity by adjusting the 3D positions and 3D rotations of distributed antenna surfaces based on the users' spatial distribution and statistical…

信息论 · 计算机科学 2024-03-27 Xiaodan Shao , Rui Zhang , Qijun Jiang , Robert Schober

This letter investigates the weighted sum rate maximization problem in movable antenna (MA)-enhanced systems. To reduce the computational complexity, we transform it into a more tractable weighted minimum mean square error (WMMSE) problem…

信息论 · 计算机科学 2024-04-16 Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Chengshan Xiao

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…

信号处理 · 电气工程与系统科学 2025-07-22 Xuhui Zhang , Wenchao Liu , Jinke Ren , Chunjie Wang , Huijun Xing , Yanyan Shen , Shuguang Cui

This paper investigates an innovative movable antenna (MA)-enhanced multiple-input multiple-output (MIMO) system designed to enhance communication performance. We aim to maximize the energy efficiency (EE) under statistical channel state…

信息论 · 计算机科学 2025-01-22 Xintai Chen , Biqian Feng , Yongpeng Wu , Wenjun Zhang

This paper studies a sub-connected six-dimensional movable antenna (6DMA)-aided multi-user communication system. In this system, each sub-array is connected to a dedicated radio frequency chain and collectively moves and rotates as a unit…

信号处理 · 电气工程与系统科学 2024-12-24 Yichi Zhang , Yuchen Zhang , Lipeng Zhu , Sa Xiao , Wanbin Tang , Yonina C. Eldar , Rui Zhang

The problem of minimizing queueing delay of opportunistic access of multiple continuous time Markov channels is considered. A new access policy based on myopic sensing and adaptive transmission (MS-AT) is proposed. Under the framework of…

最优化与控制 · 数学 2011-08-02 Shiyao Chen , Lang Tong , Qing Zhao

High-mobility wireless communications have received a lot of attentions in the past few years. In this paper, we consider angle-domain Doppler shifts compensation scheme to reduce the channel time variation for the high-mobility uplink from…

信号处理 · 电气工程与系统科学 2019-02-22 Zhinan Hu , Weile Zhang

Movable-antenna (MA) arrays are envisioned as a promising technique for enhancing secrecy performance in wireless communications by leveraging additional spatial degrees of freedom. However, when the eavesdropper is located in the same…

信号处理 · 电气工程与系统科学 2025-07-01 Chu Li , Marjan Boloori , Eduard Jorswieck , Aydin Sezgin

Movable antenna (MA) is an emerging technology that can significantly improve communication performance via the continuous adjustment of the antenna positions. To unleash the potential of MAs in wideband communication systems, acquiring…

信号处理 · 电气工程与系统科学 2024-10-01 Zhenyu Xiao , Songqi Cao , Lipeng Zhu , Boyu Ning , Xiang-Gen Xia , Rui Zhang

In this paper, we propose an integrated sensing and communication (ISAC) system enabled by movable antennas (MAs), which can dynamically adjust antenna positions to enhance both sensing and communication performance for future wireless…

信息论 · 计算机科学 2025-07-17 Lebin Chen , Ming-Min Zhao , Min-Jian Zhao , Rui Zhang

This letter proposes a novel pinching antenna systems (PASS) enabled non-orthogonal multiple access (NOMA) multi-access edge computing (MEC) framework. An optimization problem is formulated to minimize the maximum task delay by optimizing…

信号处理 · 电气工程与系统科学 2026-01-16 Yuan Ai , Xidong Mu , Pengbo Si , Yuanwei Liu