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Multiple-input multiple-output (MIMO) array based millimeter-wave (MMW) imaging has a tangible prospect in applications of concealed weapons detection. A near-field imaging algorithm based on wavenumber domain processing is proposed for a…

Signal Processing · Electrical Eng. & Systems 2021-01-25 Shiyong Li , Shuoguang Wang , Moeness G. Amin , Guoqiang Zhao

Movable antenna (MA) is an emerging technology which enables a local movement of the antenna in the transmitter/receiver region for improving the channel condition and communication performance. In this paper, we study the deployment of…

Information Theory · Computer Science 2023-08-21 Zhenyu Xiao , Xiangyu Pi , Lipeng Zhu , Xiang-Gen Xia , Rui Zhang

The emergence of movable antenna (MA) technology has marked a significant advancement in the field of wireless communication research, paving the way for enhanced connectivity, improved signal quality, and adaptability across diverse…

Optimization and Control · Mathematics 2024-11-18 Youssef Maghrebi , Mohamed Elhattab , Chadi Assi , Ali Ghrayeb , Georges Kaddoum

Movable antennas (MAs) have emerged as a disruptive technology in wireless communications for enhancing spatial degrees of freedom through continuous antenna repositioning within predefined regions, thereby creating favorable channel…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Xianlong Zeng , Jun Fang , Peilan Wang , Weidong Mei , Ying-Chang Liang

We consider sparse array beamfomer design achieving maximum signal-to interference plus noise ratio (MaxSINR). Both array configuration and weights are attuned to the changing sensing environment. This is accomplished by simultaneously…

Signal Processing · Electrical Eng. & Systems 2019-10-24 Syed A. Hamza , Moeness G. Amin

Modern wireless cellular networks use massive multiple-input multiple-output (MIMO) technology. This technology involves operations with an antenna array at a base station that simultaneously serves multiple mobile devices which also use…

Information Theory · Computer Science 2023-07-26 Evgeny Bobrov , Boris Chinyaev , Viktor Kuznetsov , Hao Lu , Dmitrii Minenkov , Sergey Troshin , Daniil Yudakov , Danila Zaev

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

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies capable of simultaneously improving communication and sensing services in future wireless networks. Moreover, the introduction of recently…

Information Theory · Computer Science 2026-05-19 Nemanja Stefan Perović , Keshav Singh , Chih-Peng Li , Mark F. Flanagan

This chapter focuses on active sensing using sparse arrays. In active sensing applications, such as radar, sonar, wireless communications, and medical ultrasound, a collection of sensors probes the environment by emitting self-generated…

Signal Processing · Electrical Eng. & Systems 2026-01-22 Robin Rajamäki , Visa Koivunen

This paper investigates the potential of movable antenna (MA)-enabled micro-mobility to replace UAV-enabled macro-mobility for enhancing physical layer security (PLS) in air-to-ground communications. While UAV trajectory optimization offers…

Information Theory · Computer Science 2025-06-25 Kaixuan Li , Kan Yu , Dingyou Ma , Yujia Zhao , Xiaowu Liu , Qixun Zhang , ZHiyong Feng

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies capable of simultaneously improving communication and sensing services in future wireless networks. Moreover, the introduction of recently…

Information Theory · Computer Science 2025-12-30 Nemanja Stefan Perović , Keshav Singh , Chih-Peng Li , Octavia A. Dobre , Mark F. Flanagan

This paper reveals the potential of movable antennas in enhancing anti-jamming communication. We consider a legitimate communication link in the presence of multiple jammers and propose deploying a movable antenna array at the receiver to…

Signal Processing · Electrical Eng. & Systems 2025-04-07 Xiao Tang , Yudan Jiang , Jinxin Liu , Qinghe Du , Dusit Niyato , Zhu Han

Since decades ago, multi-antenna has become a key enabling technology in the evolution of wireless communication systems. In contrast to conventional multi-antenna systems that contain antennas at fixed positions, position-flexible antenna…

Information Theory · Computer Science 2024-09-06 Yiqin Wang , Heyin Shen , Chong Han , Meixia Tao

Multiple-input multiple-output (MIMO) has become a key technology for contemporary wireless communication systems. For typical MIMO systems, antenna arrays are separated by half of the signal wavelength, which are termed collocated arrays.…

Information Theory · Computer Science 2023-07-18 Huizhi Wang , Yong Zeng

Conventional antenna arrays rely primarily on digital beamforming for spatial control. While adding more elements can narrow beamwidth and suppress interference, such scaling incurs prohibitive hardware and power costs. Rotatable antennas…

Signal Processing · Electrical Eng. & Systems 2025-09-29 Xingxiang Peng , Qingqing Wu , Ziyuan Zheng , Wen Chen , Yanze Zhu , Ying Gao

Spectrum congestion and competition over frequency bandwidth could be alleviated by deploying dual-function radar-communications systems, where the radar platform presents itself as a system of opportunity to secondary communication…

Signal Processing · Electrical Eng. & Systems 2018-08-16 Xiangrong Wang , Aboulnasr Hassanien , Moeness Amin

The problem of multi-objective design of sparse MIMO arrays for better multitarget detection capabilities is considered. A novel approach for efficient utilization of the antenna design resources; namely, the number of available array…

Signal Processing · Electrical Eng. & Systems 2022-10-24 Suleyman Gokhun Tanyer , Paul Dent , Murtaza Ali , Curtis Davis , SenthinelKumar Rajagopal , Peter Driessen

As a novel way of presenting information, augmented reality (AR) enables people to interact with the physical world in a direct and intuitive way. While there are some mobile AR products implemented with specific hardware at a high cost,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Songlin Hou , Fangzhou Lin , Yunmei Huang , Zhe Peng , Bin Xiao

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

Information Theory · Computer Science 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

Movable antenna (MA) has been recognized as a promising technology to enhance the performance of wireless communication and sensing by enabling antenna movement. Such a significant paradigm shift from conventional fixed antennas (FAs) to…

Information Theory · Computer Science 2025-02-26 Lipeng Zhu , Wenyan Ma , Weidong Mei , Yong Zeng , Qingqing Wu , Boyu Ning , Zhenyu Xiao , Xiaodan Shao , Jun Zhang , Rui Zhang