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The accurate localization of sensor nodes is a fundamental requirement for the practical application of the Internet of Things (IoT). To enable robust localization across diverse environments, this paper proposes a hybrid meta-heuristic…

Networking and Internet Architecture · Computer Science 2025-07-31 Ze Zhang , Qian Dong , Wenhan Wang

Massive multiple-input multiple-output (MIMO) radar, enabled by millimeter-wave virtual MIMO techniques, provides great promises to the high-resolution automotive sensing and target detection in unmanned ground/aerial vehicles (UGA/UAV). As…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Bin Li , Shuseng Wang , Jun Zhang , Xainbin Cao , Chenglin Zhao

Localization between a swarm of AUVs can be entirely estimated through the use of range measurements between neighboring AUVs via a class of techniques commonly referred to as sensor network localization. However, the localization quality…

Robotics · Computer Science 2020-10-07 Alan Papalia , John Leonard

Colocated multiple-input multiple-output (MIMO) technology has been widely used in automotive radars as it provides accurate angular estimation of the objects with relatively small number of transmitting and receiving antennas. Since the…

Signal Processing · Electrical Eng. & Systems 2024-07-16 Le Zheng , Jiamin Long , Marco Lops , Fan Liu , Xueyao Hu

Communications between unmanned aerial vehicles (UAVs) play an important role in deploying aerial networks. Although some studies reveal that drone-based air-to-air (A2A) channels are relatively clear and thus can be modeled as free-space…

Systems and Control · Electrical Eng. & Systems 2023-01-31 Zhuangzhuang Cui , Abdul Saboor , Achiel Colpaert , Sofie Pollin

This paper presents a neural-enhanced probabilistic model and corresponding factor graph-based sum-product algorithm for robust localization and tracking in multipath-prone environments. The introduced hybrid probabilistic model consists of…

Signal Processing · Electrical Eng. & Systems 2023-11-30 Alexander Venus , Erik Leitinger , Stefan Tertinek , Klaus Witrisal

Hidden spy cameras have become a great privacy threat recently, as these low-cost, low-power, and small form-factor IoT devices can quietly monitor human activities in the indoor environment without generating any side-channel information.…

Cryptography and Security · Computer Science 2026-02-03 Wenhao Chen , Wenyi Morty Zhang , Wei Sun , Dinesh Bharadia , Roshan Ayyalasomayajula

Conventional schemes often require extra reference signals or more complicated algorithms to improve the time-of-arrival (TOA) estimation accuracy. However, in this letter, we propose to generate fine-grained features from the full band and…

Signal Processing · Electrical Eng. & Systems 2020-08-19 Guangjin Pan , Tao Wang , Shunqing Zhang , Shugong Xu

The layout of acoustic emission sensors plays a critical role in non-destructive structural testing. This study proposes a grid-based optimization method focused on multi-source location results, in contrast to traditional sensor layout…

Geophysics · Physics 2025-01-22 Yiling Chen , Xueyi Shang , Yi Ren , Linghao Liu , Xiaoying Li , Yu Zhang , Xiao Wu , Zhuqing Li , Yang Tai

In this paper, the problem of extending narrowband multichannel sound source localization algorithms to the wideband case is addressed. The DOA estimation of narrowband algorithms is based on the estimate of inter-channel phase differences…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-24 Kainan Chen , Wenyu Jin , Bharadwaj Desikan

Reliable localization is critical for robot navigation in complex indoor environments. In this paper, we propose an uncertainty-aware localization method that enhances the reliability of localization outputs without modifying the prediction…

Robotics · Computer Science 2025-04-23 Hye-Min Won , Jieun Lee , Jiyong Oh

Understanding the locations of occupants in a commercial built environment is critical for realizing energy savings by delivering lighting, heating, and cooling only where it is needed. The key to achieving this goal is being able to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Hao Lu , Richard J. Radke

We present a principled approach for detecting out-of-distribution (OOD) and adversarial samples in deep neural networks. Our approach consists in modeling the outputs of the various layers (deep features) with parametric probability…

Machine Learning · Statistics 2019-09-27 Nilesh A. Ahuja , Ibrahima Ndiour , Trushant Kalyanpur , Omesh Tickoo

In this paper, we consider a single-anchor localization system assisted by a reconfigurable intelligent surface (RIS), where the objective is to localize multiple user equipments (UEs) placed in the radiative near-field region of the RIS by…

Signal Processing · Electrical Eng. & Systems 2024-09-24 Parisa Ramezani , Alva Kosasih , Emil Björnson

Robots navigating indoor environments often have access to architectural plans, which can serve as prior knowledge to enhance their localization and mapping capabilities. While some SLAM algorithms leverage these plans for global…

Accurate signal localization is critical for Internet of Things applications, but precise propagation models are often unavailable due to uncontrollable factors. Simplified models such as planar and spherical wavefront approximations are…

Signal Processing · Electrical Eng. & Systems 2025-02-17 Alexandr M. Kuzminskiy , Ahmed Elzanaty , Gabriele Gradoni , Fan Wang , Rahim Tafazolli

We introduce a generalized \textit{Probabilistic Approximate Optimization Algorithm (PAOA)}, a classical variational Monte Carlo framework that extends and formalizes prior work by Weitz \textit{et al.}~\cite{Combes_2023}, enabling…

Disordered Systems and Neural Networks · Physics 2025-12-09 Abdelrahman S. Abdelrahman , Shuvro Chowdhury , Flaviano Morone , Kerem Y. Camsari

This work performs the design, real-time hardware realization, and experimental evaluation of a positioning system by ultra-violet (UV) communication under photon-level signal detection. The positioning is based on time-difference of…

Systems and Control · Electrical Eng. & Systems 2024-04-16 Shihui Yu , Chubing Lv , Yueke Yang , Yuchen Pan , Lei Sun , Juliang Cao , Ruihang Yu , Chen Gong , Wenqi Wu , Zhengyuan Xu

In this letter, we investigate the direction-of-arrival (DOA) estimation problem for wireless sensing with movable antenna (MA) systems in the presence of unknown antenna position errors (APE). To achieve robust wireless sensing, we…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Chengzhi Ye , Ruoyu Zhang , Wen Wu , Byonghyo Shim

The primary user emulation attack (PUEA) is one of the common threats in cognitive radio networks (CRNs), in this problem, an attacker mimics the Primary User (PU) signal to deceive other secondary users (SUs) to make them leave the white…

Networking and Internet Architecture · Computer Science 2019-02-07 Walid R. Ghanem , Reem E. Mohamed , Mona Shokair , Moawad I. Dessouky
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