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Movable antenna (MA) technology has emerged as a promising solution for reconfiguring wireless channel conditions through local antenna movement within confined regions. Unlike previous works assuming perfect channel state information…

Information Theory · Computer Science 2025-05-13 Haifeng Ma , Weidong Mei , Xin Wei , Boyu Ning , Zhi Chen

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

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

Movable antennas represent an emerging field in telecommunication research and a potential approach to achieving higher data rates in multiple-input multiple-output (MIMO) communications when the total number of antennas is limited. Most…

Information Theory · Computer Science 2025-06-03 Amna Irshad , Emil Björnson , Alva Kosasih , Vitaly Petrov

This paper considers a movable antenna (MA)-aided secure multiple-input multiple-output (MIMO) communication system consisting of a base station (BS), a legitimate information receiver (IR) and an eavesdropper (Eve), where the BS is…

Information Theory · Computer Science 2024-03-08 Jun Tang , Cunhua Pan , Yang Zhang , Hong Ren , Kezhi Wang

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

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…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Weidong Mei , Xin Wei , Yijie Liu , Boyu Ning , Zhi Chen

Enhancing user fairness in advanced multi-user systems like two-layer rate-splitting multiple access (RSMA) is a critical yet challenging task. This letter proposes a novel movable antenna (MA) approach to address this challenge. We…

Information Theory · Computer Science 2026-03-10 Ji Luo , Yaxuan Chen , Guangchi Zhang , Miao Cui , Hao Fu , Changsheng You

Movable antennas (MAs) are a promising technology to achieve a significant enhancement in rate for future wireless networks. The pioneering investigation on near-field directional modulation design for a reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Maolin Li , Feng Shu , Riqing Chen , Cunhua Pan , Yongpeng Wu

Most works evaluating the performance of Multi-User Multiple-Input Multiple-Output (MU-MIMO) systems consider Access Points (APs) with fixed antennas, that is, without any movement capability. Recently, the idea of APs with antenna arrays…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Eduardo Noboro Tominaga , Onel Luis Alcaraz López , Tommy Svensson , Richard Demo Souza , Hirley Alves

Contemporary wireless communication systems rely on Multi-User Multiple-Input Multiple-Output (MU-MIMO) techniques. In such systems, each Access Point (AP) is equipped with multiple antenna elements and serves multiple devices…

Information Theory · Computer Science 2024-12-24 Eduardo Noboro Tominaga , Onel Luis Alcaraz López , Tommy Svensson , Richard Demo Souza , Hirley Alves

We study a coordinated multi-point (CoMP) transmission where two base stations (BSs), each supported by a pinching antenna system (PASS), are deployed to jointly serve communication users under spatial division multiple access (SDMA)…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

Rate-Splitting Multiple Access (RSMA) is a key enabling technique for sixth-generation (6G) wireless systems due to its powerful interference management, and Reconfigurable Intelligent Surface (RIS) improves communication performance by…

Information Theory · Computer Science 2026-03-11 Mingyu Hu , Nan Liu , Wei Kang

This paper explores the application of movable antenna (MA), a cutting-edge technology with the capability of altering antenna positions, in a symbiotic radio (SR) system enabled by reconfigurable intelligent surface (RIS). The goal is to…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Bin Lyu , Hao Liu , Meng Hua , Wenqing Hong , Shimin Gong , Feng Tian , Abbas Jamalipour

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

In this letter, we propose a six-dimensional movable antenna (6DMA)-aided cell-free massive multiple-input multiple-output (MIMO) system to fully exploit its macro spatial diversity, where a set of distributed access points (APs), each…

Information Theory · Computer Science 2024-12-03 Xiaoming Shi , Xiaodan Shao , Beixiong Zheng , Rui Zhang

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

Massive multiple-input multiple-output (MIMO) systems exploit the spatial diversity achieved with an array of many antennas to perform spatial multiplexing of many users. Similar performance can be achieved using fewer antennas if movable…

Signal Processing · Electrical Eng. & Systems 2025-02-07 Amna Irshad , Alva Kosasih , Vitaly Petrov , Emil Björnson

This paper focuses on energy-efficient coordinated multi-point (CoMP) downlink in multi-antenna multi-cell wireless communications systems. We provide an overview of transmit beamforming designs for various energy efficiency (EE) metrics…

Information Theory · Computer Science 2018-08-10 Kien-Giang Nguyen , Oskari Tervo , Quang-Doanh Vu , Le-Nam Tran , Markku Juntti

Movable antennas (MA) have gained significant attention in recent years to overcome the limitations of extremely large antenna arrays in terms of cost and power consumption. In this paper, we investigate the use of MA arrays at the base…