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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 their ability to reconfigure and improve wireless channel…

Information Theory · Computer Science 2024-09-04 Xin Wei , Weidong Mei , Qingqing Wu , Boyu Ning , Zhi Chen

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

The advent of massive multiple-input multiple-output (MIMO) technology has provided new opportunities for capacity improvement via strategic antenna deployment, especially when the near-field effect is pronounced due to antenna…

Information Theory · Computer Science 2026-04-09 Shicong Liu , Xianghao Yu , Jie Xu , Rui Zhang

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

Information Theory · Computer Science 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

Recent advancements in movable antennas (MAs) technology create new opportunities for 6G and beyond wireless systems. MAs are promising for radio frequency wireless energy transfer because they can dynamically adjust antenna positions,…

Signal Processing · Electrical Eng. & Systems 2025-06-30 Osmel Martínez Rosabal , Onel Alcaraz López , Marco Di Renzo , Richard Demo Souza , Hirley Alves

In conventional multiple-input multiple-output (MIMO) communication systems, the positions of antennas are fixed. To take full advantage of spatial degrees of freedom, a new technology called fluid antenna (FA) is proposed to obtain higher…

Information Theory · Computer Science 2024-01-10 Yuqi Ye , Li You , Jue Wang , Hao Xu , Kai-Kit Wong , Xiqi Gao

This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission scheme, serve users equipped with movable antenna (MA)…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

This letter rethinks traditional precoding in multi-user wireless communications with movable antennas (MAs). Utilizing MAs for optimal antenna positioning, we introduce a sparse optimization (SO)-based approach focusing on regularized…

Information Theory · Computer Science 2024-03-15 Songjie Yang , Wanting Lyu , Boyu Ning , Zhongpei Zhang , Chau Yuen

This paper investigates a movable antenna (MA)-enabled wireless-powered communication network (WPCN), where multiple wireless devices (WDs) first harvest energy from the downlink (DL) signal broadcast by a hybrid access point (HAP) and then…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ying Gao , Qingqing Wu , Wen Chen

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

The effective utilization of unlicensed spectrum is regarded as an important direction to enable the massive access and broad coverage for next-generation wireless local area network (WLAN). Due to the crowded spectrum occupancy and dense…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Xiangyu Pi , Lipeng Zhu , Haobin Mao , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

To meet the growing data traffic demand in future wireless systems, novel transmission architectures capable of adapting to complex propagation environments are required. Movable antenna (MA) systems have recently emerged as a promising…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Xiaoyi Zhang , Amna Irshad , Emil Björnson

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

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 paper, we investigate the problem of max-min rate maximization in fluid antenna relay (FAR)-assisted multi-user uplink multiple-input single-output (MISO) wireless systems, where each user is equipped with a single fluid antenna…

Signal Processing · Electrical Eng. & Systems 2025-07-02 Ruopeng Xu , Zhaohui Yang , Ting Zhang , Mingzhe Chen , Chen Zhu , Zhaoyang Zhang

Integrated sensing and communication (ISAC) is a key technology for future 6G networks. Most existing studies focus on monostatic and/or bistatic setups with limited coverage and capabilities. Networked ISAC systems with distributed base…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Yuan Guo , Wen Chen , Qingqing Wu , Yang Liu , Qiong Wu , Kunlun Wang , Jun Li , Lexi Xu

This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focuses on maximizing the effective throughput for a core user while ensuring reliable…

Signal Processing · Electrical Eng. & Systems 2024-06-12 Xinyuan He , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

We consider the movable-antenna (MA) arrayenabled wireless communication with coordinate multi-point (CoMP) reception, where multiple destinations adopt the maximal ratio combination technique to jointly decode the common message sent from…

Information Theory · Computer Science 2024-01-26 Guojie Hu , Qingqing Wu , Jian Ouyang , Kui Xu , Yunlong Cai , Naofal Al-Dhahir

Fluid antenna system (FAS) becomes a promising paradigm for next-generation wireless networks, which enables position-flexible antenna elements that can dynamically adjust to more favorable channel conditions. However, the optimization of…

Information Theory · Computer Science 2026-05-04 Wanzhe Wang , Tong Zhang , Hao Xu , Shuai Wang , Rui Wang , Kai-Kit Wong

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