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In future 6G networks, anti-jamming will become a critical challenge, particularly with the development of intelligent jammers that can initiate malicious interference, posing a significant security threat to communication transmission.…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Yue Xiu , Yang Zhao , Songjie Yang , Minrui Xu , Dusit Niyato , Yueyang Li , Ning Wei

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

This letter addresses a multivariate optimization problem for linear movable antenna arrays (MAAs). Particularly, the position and beamforming vectors of the under-investigated MAA are optimized simultaneously to maximize the minimum…

Information Theory · Computer Science 2024-09-09 Manh Kha Hoang , Tuan Anh Le , Kieu-Xuan Thuc , Tong Van Luyen , Xin-She Yang , Derrick Wing Kwan Ng

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

Two-way relaying can significantly improve performance of next generation wireless networks. However, due to its dependence on multi-node cooperation and transmission coordination, applying this technique to a wireless network in an…

Information Theory · Computer Science 2012-07-27 Wenguang Mao , Xudong Wang

The emerging reconfigurable antenna (RA) array technology promises capacity enhancement through dynamic antenna positioning. Traditional approaches enforce half-wavelength or greater spacing among RA elements to avoid mutual coupling,…

Information Theory · Computer Science 2026-04-28 Elio Faddoul , Konstantinos Ntougias , Ioannis Krikidis

Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting the positions of antenna elements within a designated transmit area. In…

Signal Processing · Electrical Eng. & Systems 2025-07-18 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

We consider the opportunistic multiuser diversity in the multiuser two-way amplify-and-forward (AF) relay channel. The relay, equipped with multiple antennas and a simple zero-forcing beam-forming scheme, selects a set of two way relaying…

Information Theory · Computer Science 2015-07-17 Duckdong Hwang , Bruno Clerckx , Sung Sik Nam , Tae-Jin Lee

Full-duplex (FD) radios at base station (BS) have gained significant interest because of their ability to simultaneously transmit and receive signals on the same frequency band. However, FD communication is hindered by self-interference…

Systems and Control · Electrical Eng. & Systems 2025-11-18 Shreya Khisa , Ali Amhaz , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

The movable antenna (MA)-enabled integrated sensing and communication (ISAC) system attracts widespread attention as an innovative framework. The ISAC system integrates sensing and communication functions, achieving resource sharing across…

Signal Processing · Electrical Eng. & Systems 2025-11-07 Zhendong Li , Jianle Ba , Zhou Su , Jinyuan Huang , Haixia Peng , Wen Chen , Linkang Du , Tom H. Luan

Movable antenna (MA) technology is highly promising for improving communication performance, due to its advantage of flexibly adjusting positions of antennas to reconfigure channel conditions. In this paper, we investigate MAs-assisted…

Information Theory · Computer Science 2024-04-05 Guojie Hu , Qingqing Wu , Donghui Xu , Kui Xu , Jiangbo Si , Yunlong Cai , Naofal Al-Dhahir

Unlike conventional fixed-antenna architectures, rotatable antenna (RA) has shown great potential in enhancing wireless communication performance by exploiting additional spatial degrees of freedom (DoFs) in a cost-effective manner. In this…

Systems and Control · Electrical Eng. & Systems 2026-03-13 Qi Dai , Beixiong Zheng , Yanhua Tan , Weidong Mei , Shiqi Gong , Jie Tang , Chengwen Xing

Movable antenna (MA) technology provides a promising avenue for actively shaping wireless channels through dynamic antenna positioning, thereby enabling electromagnetic radiation reconstruction to enhance physical layer security (PLS).…

Information Theory · Computer Science 2025-10-24 Wenxu Wang , Xiaowu Liu , Wei Gong , Yujia Zhao , Kaixuan Li , Qixun Zhang , Zhiyong Feng , Kan Yu

This paper deals with the problem of jointly designing the source precoder, the relaying matrices, and the destination equalizer in a multiple-relay amplify-and-forward (AF) cooperative multiple-input multiple-output (MIMO) wireless…

Signal Processing · Electrical Eng. & Systems 2020-06-11 Donatella Darsena , Giacinto Gelli , Francesco Verde

Flexible antenna arrays (FAAs), distinguished by their rotatable, bendable, and foldable properties, are extensively employed in flexible radio systems to achieve customized radiation patterns. This paper aims to illustrate that FAAs,…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Songjie Yang , Jiancheng An , Yue Xiu , Wanting Lyu , Boyu Ning , Zhongpei Zhang , Merouane Debbah , Chau Yuen

In this paper, we model the minimum achievable throughput within a transmission block of restricted duration and aim to maximize it in movable antenna (MA)-enabled multiuser downlink communications. Particularly, we account for the antenna…

Information Theory · Computer Science 2024-11-22 Honghao Wang , Qingqing Wu , Ying Gao , Wen Chen , Weidong Mei , Guojie Hu , Lexi Xu

Reconfigurable Intelligent Surfaces (RIS) are known as a promising technology to improve the performance of wireless communication networks, and have been extensively studied. Movable Antennas (MA) are a novel technology that fully exploits…

Systems and Control · Electrical Eng. & Systems 2026-03-25 Yan Zhang , Indrakshi Dey , Nicola Marchetti

This paper investigates relaying schemes in an amplify-and-forward multiple-input multiple-output relay network, where an energy-constrained relay harvests wireless power from the source information flow and can be further aided by an…

Information Theory · Computer Science 2016-05-12 Yang Huang , Bruno Clerckx

The emergence of movable antenna (MA) technology provides a promising way to enhance wireless sensing and communication by introducing spatial degrees of freedom through dynamic array reconfiguration. In near-field localization, achieving…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Yuxin Duan , Boyu Teng , Xiaojun Yuan , Rui Wang

The key obstacle to achieving the full potential of the millimeter wave (mmWave) band has been the poor propagation characteristics of wireless signals in this band. One approach to overcome this issue is to use antennas that can support…

Signal Processing · Electrical Eng. & Systems 2017-10-25 Mojtaba Ahmadi Almasi , Hani Mehrpouyan , Vida Vakilian , Nader Behdad , Hamid Jafarkhani
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