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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…

Computational Engineering, Finance, and Science · Computer Science 2025-12-25 Xuyao Deng , Yong Dou , Kele Xu

This paper presents a tool for the analysis, and simulation of direction-of-arrival (DOA) estimation in wireless mobile communication systems over the fading channel. It reviews two methods of Direction of arrival (DOA) estimation…

Networking and Internet Architecture · Computer Science 2011-12-12 A. V. Meenakshi , V. Punitham , R. Kayalvizhi , S. Asha

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…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-16 Hao Wang , Jing Lu

Quantum wireless sensing using Rydberg atomic receivers enables high-sensitivity signal acquisition direction-of-arrival (DoA) estimation. However, it suffers from a fundamental limitation, where only the magnitude of the received signal is…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Sourav Banerjee , Neel Kanth Kundu , Prajwalita Borah

We propose a novel multi-source direction of arrival (DOA) estimation technique using a convolutional neural network algorithm which learns the modal coherence patterns of an incident soundfield through measured spherical harmonic…

Sound · Computer Science 2020-03-19 A. Fahim , P. N. Samarasinghe , T. D. Abhayapala

There has been substantial work on developing variants of the multiple signal classification (MUSIC) algorithms that take advantage of the information present in the near-field propagation regime. However, it is not always easy to determine…

Signal Processing · Electrical Eng. & Systems 2025-02-10 Don-Roberts Emenonye , Harpreet S. Dhillon , R. Michael Buehrer

This paper investigates the problem of direction-of-arrival (DOA) estimation using multiple partially-calibrated sparse subarrays. In particular, we present the Generalized Coarray Multiple Signal Classification (GCA-MUSIC) DOA estimation…

Machine Learning · Computer Science 2024-08-07 W. S. Leite , R. C. de Lamare

Direction of Arrival (DOA) estimation serves as a critical sensing technology poised to play a vital role in future intelligent and ubiquitous communication systems. Despite the development of numerous mature super-resolution algorithms,…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Jiaji Ren , Ye Tian , Baiyang Liu , Tuo Wu , Wei Liu , Kai-Kit Wong , Kin-Fai Tong , Kwai-Man Luk

The signal processing community currently witnesses the emergence of sensor array processing and Direction-of-Arrival (DoA) estimation in various modern applications, such as automotive radar, mobile user and millimeter wave indoor…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Marius Pesavento , Minh Trinh-Hoang , Mats Viberg

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…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Gustav Zetterqvist , Fredrik Gustafsson , Gustaf Hendeby

In this letter, we propose a joint frequency-space sparse reconstruction method for direction-of-arrival (DOA) estimation, which effectively addresses the issues arising from the existence of coherent sources and array amplitude-phase…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Yutong Chen , Cong Zhou , Changsheng You , Shuo Shi

Recently, coprime arrays have been in the focus of research because of their potential in exploiting redundancy in spanning large apertures with fewer elements than suggested by theory. A coprime array consists of two uniform linear…

Information Theory · Computer Science 2014-12-16 Zhiyuan Weng , Petar Djuric

Sparse signal models are in the focus of recent developments in narrowband DOA estimation. Applying these methods to localizing audio sources, however, is challenging due to the wideband nature of the signals. The common approach of…

Sound · Computer Science 2014-03-07 Clemens Hage , Tim Habigt , Martin Kleinsteuber

The uniform white noise assumption is one of the basic assumptions in most of the existing directional-of-arrival (DOA) estimation methods. In many applications, however, the non-uniform white noise model is more adequate. Then the noise…

Information Theory · Computer Science 2021-09-21 M. Esfandiari , S. A. Vorobyov , S. Aliban , M. Karimi

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…

Signal Processing · Electrical Eng. & Systems 2019-10-01 Feiyu Wang , Jun Fang , Huiping Duan , Hongbin Li

To estimate the direction of arrival (DOA) of multiple speakers with methods that use prototype transfer functions, frequency-dependent spatial spectra (SPS) are usually constructed. To make the DOA estimation robust, SPS from different…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-11 Daniel Fejgin , Elior Hadad , Sharon Gannot , Zbyněk Koldovský , Simon Doclo

Direction-of-arrival estimation of multiple speakers in a room is an important task for a wide range of applications. In particular, challenging environments with moving speakers, reverberation and noise, lead to significant performance…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-24 Daniel A. Mitchell , Boaz Rafaely , Anurag Kumar , Vladimir Tourbabin

Sensor arrays play a significant role in direction of arrival (DOA) estimation. Specifically, arrays with low redundancy and reduced mutual coupling are desirable. In this paper, we investigate a sensor array configuration that has a…

Information Theory · Computer Science 2023-11-14 Shidong Zhang , Zhengchun Zhou , Guolong Cui , Xiaohu Tang , Pingzhi Fan

The estimation of direction of arrival (DOA) is a crucial issue in conventional radar, wireless communication, and integrated sensing and communication (ISAC) systems. However, low-cost systems often suffer from imperfect factors, such as…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Peng Chen , Zhimin Chen , Liang Liu , Yun Chen , Xianbin 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