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Multiple-input multiple-output (MIMO) systems play an essential role in direction-of-arrival (DOA) estimation. A large number of antennas used in a MIMO system imposes a huge complexity burden on the popular DOA estimation algorithms, such…

Signal Processing · Electrical Eng. & Systems 2023-03-16 Md Imrul Hasan , Mohammad Saquib

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…

Signal Processing · Electrical Eng. & Systems 2020-06-15 Shervin Amirsoleimani , Ali Olfat

As massive multiple-input multiple-output (MIMO) becomes popular, direction of arrival (DOA) measurement has been made a real renaissance due to the high-resolution achieved. Thus, there is no doubt about DOA estimation using massive MIMO.…

Information Theory · Computer Science 2023-07-18 Jiangzhou Wang , Baihua Shi , Feng Shu , Qi Zhang , Di Wu , Qijuan Jie , Zhihong Zhuang , Siling Feng , Yijin Zhang

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

The direction of arrival (DOA) estimation in array signal processing is an important research area. The effectiveness of the direction of arrival greatly determines the performance of multi-input multi-output (MIMO) antenna systems. The…

Information Theory · Computer Science 2021-02-09 Fanxu Meng

Massive multiple input multiple output(MIMO)-based fully-digital receive antenna arrays bring huge amount of complexity to both traditional direction of arrival(DOA) estimation algorithms and neural network training, which is difficult to…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Yiwen Chen , Xichao Zhan , Feng Shu

Conventional direction of arrival (DOA) estimation algorithms suffer from performance degradation due to antenna pattern distortion and substantial computational complexity in real-time execution. The support vector regression (SVR)…

Signal Processing · Electrical Eng. & Systems 2021-10-20 Md Imrul Hasan , Mohammad Saquib

Due to its excellent performance in rate and resolution, fully-digital (FD) massive multiple-input multiple-output (MIMO) antenna arrays has been widely applied in data transmission and direction of arrival (DOA) measurements, etc. But it…

Signal Processing · Electrical Eng. & Systems 2024-06-13 Jiatong Bai , Feng Shu , Qinghe Zheng , Bo Xu , Baihua Shi , Yiwen Chen , Weibin Zhang , Xianpeng Wang

Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for the direction of arrival (DoA) estimation encounter…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Murat Babek Salman , Emil Björnson

We present a MUSIC-based Direction of Arrival (DOA) estimation strategy using small antenna arrays, via employing deep learning for reconstructing the signals of a virtual large antenna array. Not only does the proposed strategy deliver…

Signal Processing · Electrical Eng. & Systems 2021-03-08 Aya Mostafa Ahmed , Udaya Sampath K. P. Miriya Thanthrige , Aly El Gamal , Aydin Sezgin

In this paper, we introduce a novel algorithm that can dramatically reduce the number of antenna elements needed to accurately predict the direction of arrival (DOA) for multiple input multiple output (MIMO) radar. The new proposed…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Udaya Sampath K. P. Miriya Thanthrige , Aya Mostafa Ahmed , Aydin Sezgin

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

Multiple signal classification (MUSIC) has been widely applied in multiple-input multiple-output (MIMO) receivers for direction-of-arrival (DOA) estimation. To reduce the cost of radio frequency (RF) chains operating at millimeter-wave…

Information Theory · Computer Science 2021-06-22 Yinsheng Liu , Yiwei Yan , Li You , Wenji Wang , Hongtao Duan

High data rate communication with Unmanned Aerial Vehicles (UAV) is of growing demand among industrial and commercial applications since the last decade. In this paper, we investigate enhancing beam forming performance based on signal…

Signal Processing · Electrical Eng. & Systems 2020-09-08 Tianxiao Zhao , Chunbo Luo , Geyong Min , Jianming Zhou , Dechun Guo , Wang Miao , Yang Mi

Direction-of-Arrival (DOA) estimation is critical in spatial audio and acoustic signal processing, with wide-ranging applications in real-world. Most existing DOA models are trained on synthetic data by convolving clean speech with room…

Sound · Computer Science 2025-11-12 Haowen Li , Zhengding Luo , Dongyuan Shi , Boxiang Wang , Junwei Ji , Ziyi Yang , Woon-Seng Gan

We develop a direction of arrival (DoA) and channel estimation algorithm for the one-bit quantized millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) system. By formulating the estimation problem as a noisy one-bit…

Signal Processing · Electrical Eng. & Systems 2019-09-24 Liangyuan Xu , Feifei Gao , Cheng Qian

This paper proposes a model-driven deep learning (MDDL)-based channel estimation and feedback scheme for wideband millimeter-wave (mmWave) massive hybrid multiple-input multiple-output (MIMO) systems, where the angle-delay domain channels'…

Information Theory · Computer Science 2022-01-20 Xisuo Ma , Zhen Gao , Feifei Gao , Marco Di Renzo

We propose a joint estimation method for the Direction-of-Arrival (DoA) and the Noise Covariance Matrix (NCM) tailored for beamforming applications. Building upon an existing NCM framework, our approach simplifies the estimation procedure…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Vitor Gelsleichter Probst Curtarelli , Stephan Paul , Anderson Wedderhoff Spengler

Direction of arrival (DOA) estimation is a fundamental problem in array signal processing with applications spanning radar, sonar, wireless communications, and acoustic signal processing. This tutorial survey provides a comprehensive…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Amgad A. Salama

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
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