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An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

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

Rate-Splitting Multiple Access (RSMA), relying on multi-antenna Rate-Splitting (RS) techniques, has emerged as a powerful strategy for multi-user multi-antenna systems. In this paper, RSMA is introduced as a unified multiple access for…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

In this paper, we propose a new multiple-input multiple-output (MIMO) communication system with movable antennas (MAs) to exploit the antenna position optimization for enhancing the capacity. Different from conventional MIMO systems with…

Information Theory · Computer Science 2022-10-12 Wenyan Ma , Lipeng Zhu , Rui Zhang

Multi-tier networks with large-array base stations (BSs) that are able to operate in the "massive MIMO" regime are envisioned to play a key role in meeting the exploding wireless traffic demands. Operated over small cells with…

Information Theory · Computer Science 2015-05-05 Qiaoyang Ye , Ozgun Y. Bursalioglu , Haralabos C. Papadopoulos

Intelligent reflecting surface (IRS) and movable antenna (MA) technologies have been proposed to enhance wireless communications by creating favorable channel conditions. This paper investigates the joint beamforming and antenna position…

Signal Processing · Electrical Eng. & Systems 2025-08-29 Yue Geng , Tee Hiang Cheng , Kai Zhong , Kah Chan Teh , Qingqing Wu

Movable antenna (MA) has recently emerged as a promising paradigm for enhancing wireless communication performance by exploiting spatial degrees of freedom through flexible antenna repositioning. However, most existing designs rely on…

Signal Processing · Electrical Eng. & Systems 2026-05-13 Ge Yan , Lipeng Zhu , Wenyan Ma , Rui Zhang

Six-dimensional movable antenna (6DMA) is an effective solution for enhancing wireless network capacity through the adjustment of both 3D positions and 3D rotations of distributed antennas/antenna surfaces. Although freely…

Information Theory · Computer Science 2024-05-14 Xiaoming Shi , Xiaodan Shao , Rui Zhang

In this correspondence, we propose a movable antenna (MA)-aided multi-user hybrid beamforming scheme with a sub-connected structure, where multiple movable sub-arrays can independently change their positions within different local regions.…

Information Theory · Computer Science 2024-04-02 Yichi Zhang , Yuchen Zhang , Lipeng Zhu , Sa Xiao , Wanbin Tang , Yonina C. Eldar , Rui Zhang

Rate-splitting multiple access (RSMA) has appeared as a powerful transmission and multiple access strategy for multi-user multi-antenna communications. Uniquely, this paper studies the optimization of the sum-rate of RSMA with imperfect…

Information Theory · Computer Science 2021-02-22 Jihye An , Onur Dizdar , Bruno Clerckx , Wonjae Shin

In this paper, we investigate the movable antennas (MAs)-enabled multiple-input-single-output (MISO) systems, where the base station (BS) equipped with multiple MAs serves multiple single-antenna user. The delay-sensitive scenario is…

Information Theory · Computer Science 2025-10-20 Guojie Hu , Qingqing Wu , Ming-Min Zhao , Wen Chen , Zhenyu Xiao , Kui Xu , Jiangbo Si

A novel reconfigurable intelligent surfaces (RISs)-based transmission framework is proposed for downlink non-orthogonal multiple access (NOMA) networks. We propose a quality-of-service (QoS)-based clustering scheme to improve the resource…

Signal Processing · Electrical Eng. & Systems 2021-11-05 Yixuan Zou , Yuanwei Liu , Kaifeng Han , Xiao Liu , Kok Keong Chai

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), which can be swiftly repositioned within a defined region, offer a promising solution to the limitations of fixed-position antennas (FPAs) in adapting to spatial variations in wireless channels, thereby improving…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Ziyuan Zheng , Qingqing Wu , Wen Chen , Guojie Hu

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

The rapid proliferation of unmanned aerial vehicle (UAV) applications imposes stringent requirements on continuous and reliable communication coverage in low-altitude airspace. Conventional cellular systems built upon fixed-position…

Information Theory · Computer Science 2026-03-16 Kan Yu , Kaixuan Li , Yujia Zhao , Dingyou Ma , Qixun Zhang , Zhiyong Feng

Rate-splitting multiple access (RSMA), relying on linearly precoded rate-splitting (RS) at the transmitter and successive interference cancellation (SIC) at the receivers has emerged as a powerful and flexible multiple access strategy for…

Information Theory · Computer Science 2021-04-02 Longfei Yin , Onur Dizdar , Bruno Clerckx

In this paper, we propose a new wireless sensing system equipped with the movable-antenna (MA) array, which can flexibly adjust the positions of antenna elements for improving the sensing performance over conventional antenna arrays with…

Information Theory · Computer Science 2024-05-03 Wenyan Ma , Lipeng Zhu , Rui Zhang

Movable antenna (MA) has been deemed as a promising technology to flexibly reconfigure wireless channels by adjusting the antenna positions in a given local region. In this paper, we investigate the application of the MA technology in both…

Signal Processing · Electrical Eng. & Systems 2025-07-31 Nianzu Li , Weidong Mei , Peiran Wu , Boyu Ning , Lipeng Zhu

In this paper, we investigate a movable antenna (MA)-aided integrated sensing and communication (ISAC) system, where a reconfigurable intelligent surface (RIS) is employed to enhance wireless communication and sensing performance in dead…

Signal Processing · Electrical Eng. & Systems 2024-09-12 Haisu Wu , Hong Ren , Cunhua Pan , Yang Zhang
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