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Wideband direction of arrival (DOA) estimation techniques for sensors array have been studied extensively in the literature. Nevertheless, needing prior information on the number and directions of sources or demanding heavy computational…

信号处理 · 电气工程与系统科学 2020-06-15 Shervin Amirsoleimani , Ali Olfat

In this letter, we propose a new conformal array architecture, called extremely large-scale uniform arc array (XL-UAA), to improve near-field communication performance. Specifically,under the non-uniform spherical wavefront channel model,…

信息论 · 计算机科学 2024-12-09 Guoyu Li , Changsheng You , Guanyu Shang , Shaochuan Wu

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…

信号处理 · 电气工程与系统科学 2026-05-25 Chengzhi Ye , Ruoyu Zhang , Wen Wu , Byonghyo Shim

The research presented in this paper is aimed at developing a control algorithm for an autonomous surface system carrying a two-sensor array consisting of two acoustic receivers, capable of measuring the time-difference-of-arrival (TDOA) of…

机器人学 · 计算机科学 2024-02-28 Filip Mandić , Nikola Mišković , Ivan Lončar

We address the problem of search-free direction of arrival (DOA) estimation for sensor arrays of arbitrary geometry under the challenging conditions of a single snapshot and coherent sources. We extend a method of searchfree…

信号处理 · 电气工程与系统科学 2018-12-05 A. Govinda Raj , J. H. McClellan

Deep learning-based direction-of-arrival (DoA) estimation has gained increasing popularity. A popular family of DoA estimation algorithms is beamforming methods, which operate by constructing a spatial filter that is applied to array…

计算工程、金融与科学 · 计算机科学 2025-12-25 Xuyao Deng , Yong Dou , Kele Xu

The quick detection and localization of partial discharge (PD) in an air-insulated substation (AIS) based on ultrahigh-frequency (UHF) sensor arrays are efficient for power equipment monitoring. The adopted UHF PD time difference of arrival…

信号处理 · 电气工程与系统科学 2020-10-19 Bei Han , Lingen Luo , Gehao Sheng , Xiuchen Jiang

This paper introduces a signal strength-based direction of arrival (DOA) estimation approach for directional sensors that explicitly accounts for missed detections. In traditional phase-based DOA estimation frameworks, negative information…

信号处理 · 电气工程与系统科学 2026-05-25 Gustav Zetterqvist , Fredrik Gustafsson , Gustaf Hendeby

A robust method for linear array is proposed to address the difficulty of direction-of-arrival (DOA) estimation in reverberant and noisy environments. A direct-path dominance test based on the onset detection is utilized to extract…

音频与语音处理 · 电气工程与系统科学 2019-04-16 Hao Wang , Jing Lu

Data Fusion of wireless sensors is a common technique employed in many communication systems. This work focuses on incorporating the principles of non-orthogonal-multiple-access (NOMA) to optimize error performance directly in the choice of…

信息论 · 计算机科学 2023-06-01 Luca Sardellitti , Glen Takahara , Fady Alajaji

Integrated sensing and communication has been identified as an enabling technology for forthcoming wireless networks. In an effort to achieve an improved performance trade-off between multiuser communications and radar sensing, this paper…

信号处理 · 电气工程与系统科学 2025-02-17 Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

In this paper, the problem of placing sensors for some classes of nonlinear dynamic systems (NDS) is investigated. In conjunction with mixed-integer programming, classical Lyapunov-based arguments are used to find the minimal sensor…

最优化与控制 · 数学 2020-01-01 Sebastian Nugroho , Ahmad F. Taha

In this paper, we study the problem of joint wideband spectrum sensing and direction-of-arrival (DoA) estimation in a sub-Nyquist sampling framework. Specifically, considering a scenario where a few uncorrelated narrowband signals spread…

信号处理 · 电气工程与系统科学 2019-10-01 Feiyu Wang , Jun Fang , Huiping Duan , Hongbin Li

Direction-of-arrival (DOA) estimation is widely applied in acoustic source localization. A multi-frequency model is suitable for characterizing the broadband structure in acoustic signals. In this paper, the continuous (gridless) DOA…

信号处理 · 电气工程与系统科学 2023-03-22 Yifan Wu , Michael B. Wakin , Peter Gerstoft

Localization of a wireless mobile device or a robot in indoor and GPS-denied environments is a difficult problem, particularly in dynamic scenarios where traditional cameras and LIDAR-based alternative sensing and localization modalities…

机器人学 · 计算机科学 2022-01-14 Ehsan Latif , Ramviyas Parasuraman

The paper considers direction of arrival (DOA) estimation from long-term observations in a noisy environment. In such an environment the noise source might evolve, causing the stationary models to fail. Therefore a heteroscedastic Gaussian…

信号处理 · 电气工程与系统科学 2017-11-13 Peter Gerstoft , Santosh Nannuru , Christoph F. Mecklenbräuker , Geert Leus

Angle-of-Arrival estimation technology, with its potential advantages, emerges as an intriguing choice for indoor localization. Notably, it holds the promise of reducing installation costs. In contrast to ToF/TDoA based systems, AoA-based…

The directions of arrival (DOA) of plane waves are estimated from multi-snapshot sensor array data using Sparse Bayesian Learning (SBL). The prior source amplitudes is assumed independent zero-mean complex Gaussian distributed with…

统计理论 · 数学 2016-09-21 Peter Gerstoft , Christoph F. Mecklenbräuker , Angeliki Xenaki

We propose a linear time-difference-of-arrival (TDOA) measurement model to improve \textit{distributed} estimation performance for localized target tracking. We design distributed filters over sparse (possibly large-scale) communication…

系统与控制 · 电气工程与系统科学 2022-04-27 Mohammadreza Doostmohammadian , Themistoklis Charalambous

We investigate robust direction-of-arrival (DoA) estimation for sensor arrays operating in adverse weather conditions, where weather-induced distortions degrade estimation accuracy. Building on a physics-based $S$-matrix model established…

信号处理 · 电气工程与系统科学 2026-01-28 Chenyang Yan , Geert Leus , Mats Bengtsson