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Movable antennas (MA) and transmissive reconfigurable intelligent surfaces (TRIS) represent two innovative technologies that significantly enhance the flexibility of wireless communication systems. In this paper, we propose a novel and…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Marjan Boloori , Chu Li , Aydin Sezgin

Multi-antenna non-orthogonal multiple access (NOMA) is a promising technique to significantly improve the spectral efficiency and support massive access, which has received considerable interests from academic and industry. This article…

Information Theory · Computer Science 2018-02-08 Caijun Zhong , Xiaoling Hu , Xiaoming Chen , Derrick Wing Kwan Ng , Zhaoyang Zhang

This paper investigates a movable antenna (MA)-assisted multiuser integrated sensing and communication (ISAC) system, where the base station (BS) and communication users are all equipped with MA for improving both the sensing and…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Haoran Qin , Wen Chen , Qingqing Wu , Ziheng Zhang , Zhendong Li , Nan Cheng

This paper investigates an autonomous aerial vehicle (AAV)-enabled integrated sensing, communication, and computation system, with a particular focus on integrating movable antennas (MAs) into the system for enhancing overall system…

Information Theory · Computer Science 2025-08-08 Yiyang Chen , Wenchao Liu , Chunjie Wang , Yinyu Wu , Xuhui Zhang , Yanyan Shen

In this paper, we propose a tri-domain reconfigurable multiuser multiple-input multiple-output (MIMO) communication system that integrates the electromagnetic (EM) reconfigurable antenna (EMRA) with the spatially movable antenna (SMA),…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Yining Li , Ziwei Wan , Zhen Gao , Keke Ying , Lipeng Zhu , Rui Zhang

A novel movable antenna (MA)-aided secure transmission framework is proposed to enhance the secrecy transmission rate without relying on the eavesdropper's channel state information. Within this framework, a joint beamforming and jamming…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Zhenqiao Cheng , Chongjun Ouyang , Xingqi Zhang

In this paper, we study a movable antenna (MA) empowered secure transmission scheme for reconfigurable intelligent surface (RIS) aided cell-free symbiotic radio (SR) system. Specifically, the MAs deployed at distributed access points (APs)…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Bin Lyu , Jiayu Guan , Meng Hua , Changsheng You , Tianqi Mao , Abbas Jamalipour

Due to the high cost and low energy efficiency of the dedicated radio frequency (RF) chains, the number of RF chains in a millimeter wave (mmWave) multiple-input multiple-output (MIMO) system is usually limited from a practical point of…

Information Theory · Computer Science 2017-05-01 Longzhuang He , Jintao Wang , Jian Song

Movable antenna (MA) is an emerging technology that can significantly improve communication performance via the continuous adjustment of the antenna positions. To unleash the potential of MAs in wideband communication systems, acquiring…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Zhenyu Xiao , Songqi Cao , Lipeng Zhu , Boyu Ning , Xiang-Gen Xia , Rui Zhang

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

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

The orbital angular momentum (OAM) technique provides a new degree of freedom for information transmissions in millimeter wave communications. Considering the spatial distribution characteristics of OAM beams, a new OAM spatial modulation…

Networking and Internet Architecture · Computer Science 2016-12-19 Xiaohu Ge , Ran Zi , Xusheng Xiong , Qiang Li , Liang Wang

Space-time coded massive (STCM) multiple-input multiple-output (MIMO) system provides superior bit error rate (BER) performance compared with the conventional space-time coding and massive MIMO techniques. The transmitter of the STCM-MIMO…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Fatemeh Asghari Azhiri , Reza Abdolee , Behzad Mozaffari Tazehkand

As wireless communication advances toward the 6G era, the demand for ultra-reliable, high-speed, and ubiquitous connectivity is driving the exploration of new degrees-of-freedom (DoFs) in communication systems. Among the key enabling…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Jiahe Guo , Songjie Yang , Xiangyu Dong , Jiapan Yang , Junfeng Deng , Zhongpei Zhang , Chau Yuen

Conventional multiple-input multiple-out (MIMO) technologies have encountered bottlenecks of significantly increasing spectrum efficiencies of wireless communications due to the low degrees of freedom in practical line-of-sight scenarios…

Signal Processing · Electrical Eng. & Systems 2024-08-05 Jun Lan , Liping Liang , Wenchi Cheng , Wei Zhang

Generalized spatial modulation (GSM) uses $N$ antenna elements but fewer radio frequency (RF) chains ($R$) at the transmitter. Spatial modulation and spatial multiplexing are special cases of GSM with $R=1$ and $R=N$, respectively. In GSM,…

Information Theory · Computer Science 2016-03-15 T. Lakshmi Narasimhan , A. Chockalingam

The flexible-position multiple-input multiple-output (FLP-MIMO), such as fluid antennas and movable antennas, is a promising technology for future wireless communications. This is due to the fact that the positions of antennas at the…

Information Theory · Computer Science 2023-11-15 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Sumei Sun , Bo Ai , Khaled B. Letaief

As 6G wireless communication systems evolve toward intelligence, high reconfigurability, and space-air-ground integration \cite{liu2025toward, liu2024near}, the limitations of traditional fixed antenna (TFA) have become increasingly…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Yining Li , Ziwei Wan , Chongjia Sun , Kaijun Feng , Keke Ying , Wenyan Ma , Lipeng Zhu , Xiaodan Shao , Weidong Mei , Wenqian Shen , Zhenyu Xiao , Zhen Gao , Rui Zhang

Beamforming techniques are proposed for a joint multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single device acts both as a radar and a communication base station (BS) by simultaneously communicating with…

Information Theory · Computer Science 2024-10-30 Fan Liu , Christos Masouros , Ang Li , Huafei Sun , Lajos Hanzo

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
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