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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

In this letter, we investigate an unmanned aerial vehicle (UAV) communication system, where an intelligent reflecting surface (IRS) is deployed to assist in the transmission from a ground node (GN) to the UAV in the presence of a jammer. We…

Signal Processing · Electrical Eng. & Systems 2022-01-17 Zhi Ji , Wendong Yang , Xinrong Guan , Xiao Zhao , Guoxin Li , Qingqing Wu

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 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

With the increasing computational demands of deep neural network (DNN) inference on resource-constrained devices, DNN partitioning-based device-edge collaborative inference has emerged as a promising paradigm. However, the transmission of…

Machine Learning · Computer Science 2026-03-04 Mengru Wu , Jiawei Li , Jiaqi Wei , Bin Lyu , Kai-Kit Wong , Hyundong Shin

In massive multiple-input multiple-output (MIMO) systems, the knowledge of the users' channel covariance matrix is crucial for minimum mean square error (MMSE) channel estimation in the uplink as well as it plays an important role in…

Information Theory · Computer Science 2022-06-07 Tianyu Yang , Mahdi Barzegar Khalilsarai , Saeid Haghighatshoar , Giuseppe Caire

We address the resilience of future 6G MIMO communications by considering an uplink scenario where multiple legitimate transmitters try to communicate with a base station in the presence of an adversarial jammer. The jammer possesses full…

Signal Processing · Electrical Eng. & Systems 2023-02-15 Vlad C. Andrei , Xinyang Li , Ullrich J. Mönich , Holger Boche

This paper studies a sub-connected six-dimensional movable antenna (6DMA)-aided multi-user communication system. In this system, each sub-array is connected to a dedicated radio frequency chain and collectively moves and rotates as a unit…

Signal Processing · Electrical Eng. & Systems 2024-12-24 Yichi Zhang , Yuchen Zhang , Lipeng Zhu , Sa Xiao , Wanbin Tang , Yonina C. Eldar , Rui Zhang

Movable antenna (MA) has demonstrated great potential in enhancing wireless communication performance. In this paper, we investigate an MA-enabled multiple-input multiple-output (MIMO) communication system with spatial modulation (SM),…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Kaihe Wang , Ran Yang , Lipeng Zhu , Rongyan Xi , Yue Xiu , Zhongpei Zhang

Movable antenna (MA) has been recently proposed as a promising candidate technology for the next generation wireless communication systems due to its significant capability of reconfiguring wireless channels via antenna movement. In this…

Signal Processing · Electrical Eng. & Systems 2025-01-17 Nianzu Li , Peiran Wu , Boyu Ning , Lipeng Zhu

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

We consider the relaying application of unmanned aerial vehicles (UAVs), in which UAVs are placed between two transceivers (TRs) to increase the throughput of the system. Instead of studying the placement of UAVs as pursued in existing…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Seyyedali Hosseinalipour , Ali Rahmati , Huaiyu Dai

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

The movable antenna (MA) is a promising technology to exploit more spatial degrees of freedom for enhancing wireless system performance. However, the MA-aided system introduces the non-convex antenna distance constraints, which poses…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Yichen Jin , Qingfeng Lin , Yang Li , Yik-Chung Wu

Movable antenna (MA) is a promising technology to improve wireless communication performance by varying the antenna position in a given finite area at the transceivers to create more favorable channel conditions. In this paper, we…

Information Theory · Computer Science 2024-03-26 Lipeng Zhu , Wenyan Ma , Boyu Ning , Rui Zhang

This paper studies the achievable rate region of the K-user Gaussian multiple-input single-output interference channel (MISO-IC) with the interference treated as noise, when improper or circularly asymmetric complex Gaussian signaling is…

Information Theory · Computer Science 2013-10-10 Yong Zeng , Rui Zhang , Erry Gunawan , Yong Liang Guan

Movable antenna (MA) systems have emerged as a promising technology for future wireless communication systems. The movement of antennas gives rise to mutual coupling (MC) effects, which have been previously ignored and can be exploited to…

Information Theory · Computer Science 2026-03-16 Tianyi Liao , Wei Guo , Jun Qian , Shenghui Song , Jun Zhang , Khaled B. Letaief

This paper investigates the potential of movable antennas (MAs) to enhance physical layer security within a multiple-input multiple-output multiple-antenna eavesdropper (MIMOME) system. We consider a practical scenario where the transmitter…

Information Theory · Computer Science 2026-01-22 Lei Xie , Peilan Wang , Guanxiong Shen , Guyue Li , Weidong Mei , Liquan Chen

As the cost and technical difficulty of jamming devices continue to decrease, jamming has become one of the major threats to positioning service. Unfortunately, most conventional technologies are vulnerable to jamming attacks due to their…

Signal Processing · Electrical Eng. & Systems 2020-11-06 Zijie Wang , Rongke Liu , Qirui Liu , Lincong Han

Adaptive algorithms belong to an important class of algorithms used in radar target detection to overcome prior uncertainty of interference covariance. The contamination of the empirical covariance matrix by the useful signal leads to…

Signal Processing · Electrical Eng. & Systems 2021-01-01 Boris N. Oreshkin