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In the next generation of wireless systems, Massive MIMO offers high angular resolution for localization. By virtue of large number of antennas, the Angle of Arrival (AoA) of User Terminals (UTs) can be estimated with high accuracy.…

Information Theory · Computer Science 2021-03-11 Masoud Arash , Hamed Mirghasemi , Ivan Stupia , Luc Vandendorpe

Distributed multi-antenna systems are an important enabling technology for future intelligent transportation systems (ITS), showing promising performance in vehicular communications and near-field (NF) localization applications. This work…

Signal Processing · Electrical Eng. & Systems 2025-03-31 Victor Pettersson , Musa Furkan Keskin , Carina Marcus , Henk Wymeersch

Estimation of User Terminals' (UTs') Angle of Arrival (AoA) plays a significant role in the next generation of wireless systems. Due to high demands, energy efficiency concerns, and scarcity of available resources, it is pivotal how these…

Information Theory · Computer Science 2022-08-16 Masoud Arash , Ivan Stupia , Luc Vandendorpe

Multiple antenna arrays play a key role in wireless networks for communications but also localization and sensing. The use of large antenna arrays pushes towards a propagation regime in which the wavefront is no longer plane but spherical.…

Signal Processing · Electrical Eng. & Systems 2021-12-06 Andrea De Jesus Torres , Antonio Alberto D'Amico , Luca Sanguinetti , Moe Z. Win

Millimeter-wave (mmWave) communication is a promising solution for achieving high data rate and low latency in 5G wireless cellular networks. Since directional beamforming and antenna arrays are exploited in the mmWave networks, accurate…

Information Theory · Computer Science 2020-11-26 Jiajun He , Young Jin Chun

Multiple input multiple output (MIMO) radar is known for its superiority over conventional radar due to its antenna and waveform diversity. Although higher angular resolution, improved parameter identifiability, and better target detection…

Signal Processing · Electrical Eng. & Systems 2019-01-30 Ehsan Tohidi , Mario Coutino , Sundeep Prabhakar Chepuri , Hamid Behroozi , Mohammad Mahdi Nayebi , Geert Leus

The directionality of millimeter-wave (mmWave) communications introduces a significant challenge in serving fast-rotating/moving terminals, e.g., mobile AR/VR, high-speed vehicles, trains, UAVs.This challenge is exacerbated in mmWave…

Information Theory · Computer Science 2019-04-26 Jiahui Li , Yin Sun , Limin Xiao , Shidong Zhou , C. Emre Koksal

The recent trend for extremely massive antenna arrays and high frequencies facilitates localization and sensing, offering increased angular and range resolution. In this letter, we focus on the emerging technology of Dynamic Metasurface…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Ioannis Gavras , George C. Alexandropoulos

The rapid growth of the low-altitude economy has resulted in a significant increase in the number of Low, slow, and small (LLS) unmanned aerial vehicles (UAVs), raising critical challenges for secure airspace management and reliable…

Systems and Control · Electrical Eng. & Systems 2025-10-13 Tianhao Liang , Mu Jia , Tingting Zhang , Junting Chen , Longyu Zhou , Tony Q. S. Quek , Pooi-Yuen Kam

Antenna arrays are widely used in wireless communication, radar systems, radio astronomy, and military defense to enhance signal strength, directivity, and interference suppression. We introduce a deep learning-based optimization approach…

Machine Learning · Computer Science 2025-04-25 David Lu , Lior Maman , Jackson Earls , Amir Boag , Pierre Baldi

Sparse wideband sensor array design for sensor location optimisation is highly nonlinear and it is traditionally solved by genetic algorithms, simulated annealing or other similar optimization methods. However, this is an extremely…

Information Theory · Computer Science 2014-03-20 Matthew B. Hawes , Wei Liu

Achieving high-rate communication with accurate localization and wireless environment sensing has emerged as an important trend of beyond-fifth and sixth generation cellular systems. Extension of the antenna array to an extremely large…

Information Theory · Computer Science 2020-12-22 Jie Yang , Yong Zeng , Shi Jin , Chao-Kai Wen , Pingping Xu

The sparsity of millimeter wave (mmWave) channels in the angular and temporal domains is beneficial to channel estimation, while the associated channel parameters can be utilized for localization. However, line-of-sight (LoS) blockage poses…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Kunlun Li , Jiguang He , Mohammed El-Hajjar , Lie-Liang Yang

This paper concerns with the sensor management problem in collocated Multiple-Input Multiple-Output (MIMO) radars. After deriving the Cramer-Rao Lower Bound (CRLB) as a performance measure, the antenna allocation problem is formulated as a…

Applications · Statistics 2016-11-15 A. A. Gorji , R. Tharmarasa , W. D. Blair , T. Kirubarajan

Movable antennas (MAs) have emerged as a promising technology to improve wireless communication and sensing performance towards sixth-generation (6G) networks through flexible antenna movement. In this paper, we propose a novel wireless…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Haobin Mao , Lipeng Zhu , Wenyan Ma , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

We consider the anchor placement problem in localization based on one-way ranging, in which either the sensor or the anchors send the ranging signals. The number of anchors deployed over a geographical area is generally sparse, and we show…

Information Theory · Computer Science 2013-03-19 Sundeep Prabhakar Chepuri , Geert Leus , Alle-Jan van der Veen

Pinching-antenna (PA) has recently attracted considerable research attention in wireless systems, realized by attaching small dielectric particles along a waveguide. Building upon which, the segmented waveguide-enabled pinching-antenna…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Yue Geng , Tee Hiang Cheng , Kah Chan Teh , Zhiguo Ding

The problem of optimal power allocation among light emitting diode (LED) transmitters in a visible light positioning (VLP) system is considered for the purpose of improving localization performance of visible light communication (VLC)…

Information Theory · Computer Science 2018-02-14 Musa Furkan Keskin , Ahmet Dundar Sezer , Sinan Gezici

This paper investigates the potential of near-field localization using widely-spaced multi-subarrays (WSMSs) and analyzing the corresponding angle and range Cram\'er-Rao bounds (CRBs). By employing the Riemann sum, closed-form CRB…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Songjie Yang , Xinyi Chen , Yue Xiu , Wanting Lyu , Zhongpei Zhang , Chau Yuen

Movable antennas (MAs) have emerged as a promising technology for wireless sensing by reconfiguring antenna positions to exploit additional spatial degrees of freedom (DoFs). This paper investigates a robust movable antenna placement…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Jinjian Liu , Xianxin Song , Xianghao Yu
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