English
Related papers

Related papers: Movable Antenna Enhanced DF and AF Relaying System…

200 papers

The broadcast characteristics of sixth-generation (6G) low-earth orbit (LEO) satellite communications raise serious security issues. Movable antenna (MA) technology offers a promising physical layer security (PLS) solution by flexibly…

Information Theory · Computer Science 2026-05-19 Suhong Luo , Pan Tang , Jianhua Zhang , Ji Wang , Yixuan Li , Zihang Ding , Xingwang Li

In this letter, we propose to employ movable antenna (MA) to enhance covert communications with noise uncertainty, where the confidential data is transmitted from an MA-aided access point (AP) to multiple users with a warden attempting to…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Haobin Mao , Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

This letter investigates a movable antenna (MA)-aided full-duplex (FD) satellite communication system, where the satellite, equipped with both transmit and receive MAs, serves multiple uplink (UL) and downlink (DL) user terminals (UTs) in…

Signal Processing · Electrical Eng. & Systems 2024-12-23 Lifeng Lin , Jingze Ding , Zijian Zhou , Bingli Jiao

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

Movable antennas (MAs) offer additional spatial degrees of freedom (DoFs) to enhance communication performance through local antenna movement. However, to achieve accurate and fast antenna movement, MA drivers entail non-negligible…

Information Theory · Computer Science 2026-05-08 Xin Wei , Weidong Mei , Xuan Huang , Zhi Chen , Boyu Ning

Future wireless networks are expected to support increasingly high data rates and user densities, motivating advanced multi-antenna architectures capable of adapting to dynamic propagation environments. Movable antenna (MA) arrays have…

Signal Processing · Electrical Eng. & Systems 2026-03-25 Amna Irshad , Emil Björnson , Alva Kosasih , Vitaly Petrov

Integrated sensing and communication (ISAC) is a key enabling technology for next-generation wireless networks. However, most existing ISAC systems rely on fixed-position antennas, which restrict performance when balancing sensing and…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

Movable antenna (MA) has been regarded as a promising technology to enhance wireless communication performance by enabling flexible antenna movement. However, the hardware cost of conventional MA systems scales with the number of movable…

Information Theory · Computer Science 2025-05-07 Lipeng Zhu , He Sun , Wenyan Ma , Zhenyu Xiao , Rui Zhang

In this paper, we propose a new six-dimensional (6D) movable antenna (6DMA) system for future wireless networks to improve the communication performance. Unlike the traditional fixed-position antenna (FPA) and existing fluid…

Information Theory · Computer Science 2024-04-02 Xiaodan Shao , Qijun Jiang , Rui Zhang

Spatially structured beams have emerged as a promising technology for enhancing spectrum efficiency (SE) in sixth-generation (6G) networks. However, structured beam schemes based on fixed-position antennas (FPAs) fail to fully exploit the…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Hongyun Jin , Wenchi Cheng , Jingqing Wang

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

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

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 paper investigates an intelligent reflecting surface (IRS)-aided movable antenna (MA) system, where multiple IRSs cooperate with a multi-MA base station to extend wireless coverage to multiple target areas. The objective is to maximize…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ying Gao , Qingqing Wu , Weidong Mei , Guangji Chen , Wen Chen , Ziyuan Zheng

The growing demands of 6G mobile communication networks necessitate advanced antenna technologies. Movable antennas (MAs) and reconfigurable antennas (RAs) enable dynamic control over antenna's position, orientation, radiation,…

Information Theory · Computer Science 2025-10-16 Lipeng Zhu , Haobin Mao , Ge Yan , Wenyan Ma , Zhenyu Xiao , Rui Zhang

In this paper, we investigate reconfigurable pixel antenna (RPA)-based electronic movable antennas (REMAs) for multiuser communications. First, we model each REMA as an antenna characterized by a set of predefined and discrete selectable…

Information Theory · Computer Science 2025-04-02 Kangjian Chen , Chenhao Qi , Yujing Hong , Chau Yuen

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

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

This study investigates subarray-level movable antenna (MA) architecture for multi-user MIMO (MU-MIMO) systems. Unlike conventional systems with fixed-position antennas (FPAs), the proposed scheme harnesses the additional positional degrees…

Signal Processing · Electrical Eng. & Systems 2026-04-22 Shanshan Zhang , Songjie Yang , Wenxuan Zhang , Youzhi Xiong , Siya Yao

In this two-part paper, we consider the multiantenna multihop relay channels in which the source signal arrives at the destination through N independent relaying hops in series. The main concern of this work is to design relaying strategies…

Information Theory · Computer Science 2007-07-13 Sheng Yang , Jean-Claude Belfiore