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Perceiving the environment is one of the most fundamental keys to enabling Cooperative Driving Automation (CDA), which is regarded as the revolutionary solution to addressing the safety, mobility, and sustainability issues of contemporary…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Zhengwei Bai , Guoyuan Wu , Matthew J. Barth , Yongkang Liu , Emrah Akin Sisbot , Kentaro Oguchi , Zhitong Huang

Eigen-decomposition-based direction finding methods of using large-scale/ultra-large-scale fully-digital receive antenna arrays lead to a high or ultra-high complexity. To address the complexity dilemma, in this paper, three low-complexity…

Signal Processing · Electrical Eng. & Systems 2022-08-11 Yiwen Chen , Xichao Zhan , Feng Shu , Qijuan Jie , Xin Cheng , Zhihong Zhuang , Jiangzhou Wang

The phenomenon of mutual coupling in continuous aperture arrays (CAPAs) is studied. First, a general physical model for the phenomenon that accounts for both polarization and surface dissipation losses is developed. Then, the unipolarized…

Information Theory · Computer Science 2026-04-03 Zhaolin Wang , Kuranage Roche Rayan Ranasinghe , Giuseppe Thadeu Freitas de Abreu , Yuanwei Liu

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 an important task in microphone array processing and many downstream applications. The steered response power with phase transform (SRP-PHAT) method has been widely adopted for DOA estimation in…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-29 Ming Huang , Shuting Xu , Leying Yang , Huanzhang Hu , Yujie Zhang , Jiang Wang , Yu Liu , Hao Zhao , He Kong

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

Radar signal recognition in open electromagnetic environments is challenging due to diverse operating modes and unseen radar types. Existing methods often overlook position relations in pulse sequences, limiting their ability to capture…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Hongyang Zhang , Haitao Zhang , Yinhao Liu , Kunjie Lin , Yue Huang , Xinghao Ding

We address the problem of estimating direction-of-arrivals (DOAs) for multiple acoustic sources in a reverberant environment using a spherical microphone array. It is well-known that multi-source DOA estimation is challenging in the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-30 Rohith Mars , Hiroyuki Ehara , Srikanth Nagisetty , Chong Soon Lim

The problem of joint direction-of-arrival estimation and distorted sensor detection has received a lot of attention in recent decades. Most state-of-the-art work formulated such a problem via low-rank and row-sparse decomposition, where the…

Signal Processing · Electrical Eng. & Systems 2023-12-22 Huiping Huang , Tianjian Zhang , Feng Yin , Bin Liao , Henk Wymeersch

Devices that detect angle-of-arrival (AoA) over a wide field of view are crucial for various applications such as wireless communication and navigation. They are often installed on platforms with challenging mechanical and stealth…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Idban Alamzadeh , Michael Inman , Mohammadreza F. Imani

Traditional Direction of Arrival (DOA) estimation methods struggle to simultaneously address three physical constraints in Ultra-Wideband (UWB) electromagnetic sensing: spatial undersampling, asynchronous array phase, and beam squint.…

Signal Processing · Electrical Eng. & Systems 2026-03-25 Kailun Tian , Kaili Jiang , Dechang Wang , Hancong Feng , Yuxin Zhao , Ying Xiong , Bin Tang

Sharing and joint processing of camera feeds and sensor measurements, known as Cooperative Perception (CP), has emerged as a new technique to achieve higher perception qualities. CP can enhance the safety of Autonomous Vehicles (AVs) where…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ahmad Sarlak , Hazim Alzorgan , Sayed Pedram Haeri Boroujeni , Abolfazl Razi , Rahul Amin

Apart from the conventional parameters (such as signal-to-noise ratio, array geometry and size, sample size), several other factors (e.g. alignment of the antenna elements, polarization parameters) influence the performance of direction of…

Signal Processing · Electrical Eng. & Systems 2022-03-15 Md Imrul Hasan , Mohammad Saquib

In this paper, we study the problem of estimating the direction of arrival (DOA) using a sparsely sampled uniform linear array (ULA). Based on an initial incomplete ULA measurement, our strategy is to choose a sparse subset of array…

Signal Processing · Electrical Eng. & Systems 2022-02-22 Mohammad Bokaei , Saeed Razavikia , Arash Amini , Stefano Rini

Accurate indoor localization has long been a challenging problem due to the presence of multipath. Joint direction-of-arrival (DOA) and time delay (TD) estimation is a promising technique for accurate indoor Localization in next generation…

Information Theory · Computer Science 2021-11-16 Fei Wen , Peilin Liu , Haichao Wei , Yi Zhang

A large-scale fully-digital receive antenna array can provide very high-resolution direction of arrival (DOA) estimation, but resulting in a significantly high RF-chain circuit cost. Thus, a hybrid analog and digital (HAD) structure is…

Information Theory · Computer Science 2017-12-07 Feng Shu , Yaolu Qin , Tingting Liu , Linqing Gui , Yijin Zhang , Jun Li , Zhu Han

Spectrum sensing and direction of arrival (DOA) estimation have been thoroughly investigated, both separately and as a joint task. Estimating the support of a set of signals and their DOAs is crucial to many signal processing applications,…

Information Theory · Computer Science 2016-04-12 Shahar Stein , Or Yair , Deborah Cohen , Yonina C. Eldar

We focus on developing an effective Direction Of Arrival (DOA) estimation method for wideband sources based on the gridless sparse concept. Previous coherent methods have been designed by dividing wideband frequencies into a few subbands…

Signal Processing · Electrical Eng. & Systems 2021-03-05 Milad Javadzadeh Jirhandeh , Mohammad Hossein Kahae

In this paper, a model predictive control (MPC) framework is employed to realize autonomous rendezvous and docking (AR&D) with a tumbling target, using the piecewise affine (PWA) model of the 3-D line-of-sight (LOS) dynamics and Euler…

Systems and Control · Electrical Eng. & Systems 2022-11-04 Dongting Li , Rui-Qi Dong , Yanning Guo , Guangtao Ran , Dongyu Li

In this paper, we present a novel Distribution-Aware Single-stage (DAS) model for tackling the challenging multi-person 3D pose estimation problem. Different from existing top-down and bottom-up methods, the proposed DAS model…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Zitian Wang , Xuecheng Nie , Xiaochao Qu , Yunpeng Chen , Si Liu