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In this paper, we consider a passive radar system that estimates the positions and velocities of multiple moving targets by using OFDM signals transmitted by a totally un-coordinated and un-synchronizated illuminator and multiple receivers.…

Information Theory · Computer Science 2019-07-01 Yinchuan Li , Xiaodong Wang , Zegang Ding

The aim of sparse approximation is to estimate a sparse signal according to the measurement matrix and an observation vector. It is widely used in data analytics, image processing, and communication, etc. Up to now, a lot of research has…

Signal Processing · Electrical Eng. & Systems 2018-05-31 Hao Wang , Ruibin Feng , Chi-Sing Leung

A k-nearest neighbors (KNN) approach to the design of radar detectors is investigated. The idea is to start with either raw data or well-known radar receiver statistics as feature vector to be fed to the KNN decision rule. In the latter…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Angelo Coluccia , Alessio Fascista , Giuseppe Ricci

Target motion analysis with wideband passive sonar has received much attention. Maximum likelihood probabilistic data-association (ML-PDA) represents an asymptotically efficient estimator for deterministic target motion, and is especially…

Information Theory · Computer Science 2013-04-10 D. Ciuonzo , P. K. Willett , Y. Bar-Shalom

Sentinel-1 is a synthetic aperture radar (SAR) platform with an operational mode called extra wide (EW) that offers large regions of ocean areas to be observed. A major issue with EW images is that the cross-polarized HV and VH channels…

Image and Video Processing · Electrical Eng. & Systems 2021-07-13 Peter Q. Lee , Linlin Xu , David A. Clausi

Deep neural networks for classification are vulnerable to adversarial attacks, where small perturbations to input samples lead to incorrect predictions. This susceptibility, combined with the black-box nature of such networks, limits their…

Cryptography and Security · Computer Science 2024-08-28 Dipkamal Bhusal , Md Tanvirul Alam , Monish K. Veerabhadran , Michael Clifford , Sara Rampazzi , Nidhi Rastogi

Multi-platform radar networks (MPRNs) are an emerging sensing technology due to their ability to provide improved surveillance capabilities over plain monostatic and bistatic systems. The design of advanced detection, localization, and…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Angela Marino , Giovanni Soldi , Domenico Gaglione , Augusto Aubry , Paolo Braca , Antonio De Maio , Peter Willett

Sparse static detector networks in urban environments can be used in efforts to detect illicit radioactive sources, such as stolen nuclear material or radioactive "dirty bombs". We use detailed simulations to evaluate multiple…

Instrumentation and Detectors · Physics 2025-02-13 E. Rofors , N. Abgrall , M. S. Bandstra , R. J. Cooper , D. Hellfeld , T. H. Y. Joshi , V. Negut , B. J. Quiter , M. Salathe

The integration of sensing capabilities into 5G New Radio (5G NR) networks offers an opportunity to enable the detection of airborne objects without the need for dedicated radars. This paper investigates the feasibility of using…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Steve Blandino , Nada Golmie , Anirudha Sahoo , Thao Nguyen , Tanguy Ropitault , David Griffith , Amala Sonny

Elementary cellular automata (ECA) is a widely studied one-dimensional processing methodology where the successive iteration of the automaton may lead to the recreation of a rich pattern dynamic. Recently, cellular automata have been…

Neural and Evolutionary Computing · Computer Science 2018-06-22 Alejandro Morán , Christiam F. Frasser , Josep L. Rosselló

Joint communication and sensing allows the utilization of common spectral resources for communication and localization, reducing the cost of deployment. By using fifth generation (5G) New Radio (NR) (i.e., the 3rd Generation Partnership…

Information Theory · Computer Science 2021-03-08 O. Kanhere , S. Goyal , M. Beluri , T. S. Rappaport

The Least Absolute Shrinkage and Selection Operator (LASSO) has gained attention in a wide class of continuous parametric estimation problems with promising results. It has been a subject of research for more than a decade. Due to the…

Computation · Statistics 2015-04-13 Ashkan Panahi , Mats Viberg

The prevailing noise-resistant and reverberation-resistant localization algorithms primarily emphasize separating and providing directional output for each speaker in multi-speaker scenarios, without association with the identity of…

Sound · Computer Science 2023-10-18 Yu Chen , Xinyuan Qian , Zexu Pan , Kainan Chen , Haizhou Li

Sensing using cellular infrastructure may be one of the defining feature of sixth generation (6G) wireless systems. Wideband 6G communication channels operating at higher frequency bands (upper mmWave bands) are better modeled using…

Information Theory · Computer Science 2024-11-12 Vijaya Yajnanarayana , Henk Wymeersch

Integrated sensing and communication (ISAC) has recently been considered as a promising approach to save spectrum resources and reduce hardware cost. Meanwhile, as information security becomes increasingly more critical issue, government…

Signal Processing · Electrical Eng. & Systems 2023-02-15 Mianyi Zhang , Yinghui He , Yunlong Cai , Guanding Yu , Naofal Al-Dhahir

This paper addresses the challenge of achieving robust and reliable positioning of a radio device carried by an agent, in scenarios where direct line-of-sight (LOS) radio links are obstructed by the agent. We propose a Bayesian estimation…

Signal Processing · Electrical Eng. & Systems 2025-04-28 Hong Zhu , Alexander Venus , Erik Leitinger , Klaus Witrisal

Localizing moving targets in unknown harsh environments has always been a severe challenge. This letter investigates a novel localization system based on multi-agent networks, where multiple agents serve as mobile anchors broadcasting their…

Signal Processing · Electrical Eng. & Systems 2021-09-27 Qin Shi , Xiaowei Cui , Sihao Zhao , Mingquan Lu

Wireless networks that are decentralized and communicate without using existing infrastructure are known as mobile ad-hoc networks. The most common sorts of threats and attacks can affect MANETs. Therefore, it is advised to utilize…

Networking and Internet Architecture · Computer Science 2023-04-24 S. M. Udhaya Sankar , D. Dhinakaran , C. Cathrin Deboral , M. Ramakrishnan

This paper investigates non-orthogonal multiple access (NOMA) assisted integrated sensing and communication (ISaC) networks. Compared to the conventional ISaC networks, where the total bandwidth is used for both the radar detection and…

Information Theory · Computer Science 2022-03-09 Chao Zhang , Wenqiang Yi , Yuanwei Liu

This paper examines the separation of wireless communication and radar signals, thereby guaranteeing cohabitation and acting as a panacea to spectrum sensing. First, considering that the channel impulse response was known by the receivers…

Information Theory · Computer Science 2023-02-15 Christantus O. Nnamani , Mathini Sellathurai
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