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This paper proposes a novel approach to robust radar detection of range-spread targets embedded in Gaussian noise with unknown covariance matrix. The idea is to model the useful target echo in each range cell as the sum of a coherent signal…

信号处理 · 电气工程与系统科学 2022-10-04 Angelo Coluccia , Alessio Fascista , Giuseppe Ricci

This work focuses on target detection in a colocated MIMO radar system. Instead of exploiting the classical temporal domain, we propose to explore the spatial dimension (i.e., number of antennas $M$) to derive asymptotic results for the…

信号处理 · 电气工程与系统科学 2019-04-09 Stefano Fortunati , Luca Sanguinetti , Maria Sabrina Greco , Fulvio Gini

We consider a joint multiple-antenna radar-communications system in a co-existence scenario. Contrary to conventional applications, wherein at least the radar waveform and communications channel are known or estimated \textit{a priori}, we…

信息论 · 计算机科学 2022-06-13 Roman Jacome , Kumar Vijay Mishra , Edwin Vargas , Brian M. Sadler , Henry Arguello

We introduce a revised derivation of the bitwise Markov Chain Monte Carlo (MCMC) multiple-input multiple-output (MIMO) detector. The new approach resolves the previously reported high SNR stalling problem of MCMC without the need for…

信息论 · 计算机科学 2017-07-13 Jonathan C. Hedstrom , Chung Him , Yuen , Rong-Rong Chen , Behrouz Farhang-Boroujeny

Modern radars employing wideband signals and extremely large (XL) multiple-input multiple-output (MIMO) arrays can significantly improve range and angular resolution. However, when large bandwidth and array aperture are used simultaneously,…

信号处理 · 电气工程与系统科学 2026-03-17 Chandrashekhar Rai , Dibbendu Roy , Debarati Sen

We consider multiple-antenna signal detection of primary user transmission signals by a secondary user receiver in cognitive radio networks. The optimal detector is analyzed for the scenario where the number of primary user signals is no…

统计理论 · 数学 2015-10-28 David Morales-Jimenez , Raymond H. Y. Louie , Matthew R. McKay , Yang Chen

Multiple-input multiple-output (MIMO) radar offers several performance and flexibility advantages over traditional radar arrays. However, high angular and Doppler resolutions necessitate a large number of antenna elements and the…

信号处理 · 电气工程与系统科学 2025-09-11 Chandrashekhar Rai , Himali Singh , Arpan Chattopadhyay

This paper considers three related mobile robot multi-target sensory coverage and inspection planning problems in 2-D environments. In the first problem, a mobile robot must find the shortest path to observe multiple targets with a limited…

机器人学 · 计算机科学 2024-05-27 E. Fourney , J. W. Burdick , E. D. Rimon

This paper investigates non-myopic path planning of mobile sensors for multi-target tracking. Such problem has posed a high computational complexity issue and/or the necessity of high-level decision making. Existing works tackle these…

机器人学 · 计算机科学 2019-11-15 Soon-Seo Park , Youngjae Min , Jung-Su Ha , Doo-Hyun Cho , Han-Lim Choi

We consider a spectral sharing problem in which a statistical (or widely distributed) multiple-input multiple-output (MIMO) radar and an in-band full-duplex (IBFD) multi-user MIMO (MU-MIMO) communications system concurrently operate within…

信号处理 · 电气工程与系统科学 2024-03-29 Jiawei Liu , Kumar Vijay Mishra , Mohammad Saquib

This work studies the sample complexity of the multi-target detection (MTD) problem, which involves recovering a signal from a noisy measurement containing multiple instances of a target signal in unknown locations, each transformed by a…

信号处理 · 电气工程与系统科学 2025-01-22 Amnon Balanov , Shay Kreymer , Tamir Bendory

Motivated by future automotive applications, we study some joint radar target detection and parameter estimation problems where the transmitter, equipped with a mono-static MIMO radar, wishes to detect multiple targets and then estimate…

信号处理 · 电气工程与系统科学 2020-09-21 Lorenzo Gaudio , Mari Kobayashi , Giuseppe Caire , Giulio Colavolpe

Blind algorithms for multiple-input multiple-output (MIMO) signals interception have recently received considerable attention because of their important applications in modern civil and military communication fields. One key step in the…

信息论 · 计算机科学 2017-03-07 Mohammad Rida Bahloul , Mohd Zuki Yusoff , Abdel-Haleem Abdel-Aty , M Naufal M Saad

Reconfigurable antennas (RAs) are a promising technology to enhance the capacity and coverage of wireless communication systems. However, RA systems have two major challenges: (i) High computational complexity of mode selection, and (ii)…

Massive Multiple Input-Multiple Output (mMIMO) technique has been considered an efficient standard to improve the transmission rate significantly for the following wireless communication systems, such as 5G and beyond. However, implementing…

信息论 · 计算机科学 2022-09-21 Victor Monzon , Vu N. Ha , Jorge Querol , Symeon Chatzinotas

5G mmWave MIMO systems enable accurate estimation of the user position and mapping of the radio environment using a single snapshot when both the base station (BS) and user are equipped with large antenna arrays. However, massive arrays are…

信号处理 · 电气工程与系统科学 2020-07-30 Alessio Fascista , Angelo Coluccia , Henk Wymeersch , Gonzalo Seco-Granados

Multibeam technology enables the use of two or more subbeams for joint communication and radio sensing, to meet different requirements of beamwidth and pointing directions. Generating and optimizing multibeam subject to the requirements is…

信号处理 · 电气工程与系统科学 2020-04-03 Yuyue Luo , J. Andrew Zhang , Xiaojing Huang , Wei Ni , Jin Pan

In this work, we consider a method of searching of the direction of a wireless network development (the places of new access points or base stations etc.) optimized with criteria of coverage of important territories and minimum cost of…

网络与互联网体系结构 · 计算机科学 2012-09-03 Lev Kazakovtsev

Optimal data detection in massive multiple-input multiple-output (MIMO) systems requires prohibitive computational complexity. A variety of detection algorithms have been proposed in the literature, offering different trade-offs between…

信号处理 · 电气工程与系统科学 2022-05-25 Duy H. N. Nguyen , Italo Atzeni , Antti Tölli , A. Lee Swindlehurst

In smart city development, the automatic detection of structures and vehicles within urban or suburban areas via array radar (airborne or vehicle platforms) becomes crucial. However, the inescapable multipath effect adversely affects the…

信号处理 · 电气工程与系统科学 2024-07-26 Yizhen Jia , Jie Cheng , Wen-Qin Wang , Hui Chen