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相关论文: Sparse array design for MIMO radar in multipath sc…

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A major issue with Time of Flight sensors is the presence of multipath interference. We present Sparse Reflections Analysis (SRA), an algorithm for removing this interference which has two main advantages. First, it allows for very general…

计算机视觉与模式识别 · 计算机科学 2014-03-25 Daniel Freedman , Eyal Krupka , Yoni Smolin , Ido Leichter , Mirko Schmidt

Multiple-input multiple-output (MIMO) radar offers several performance and flexibility advantages over traditional radar arrays. However, high angular and Doppler resolutions necessitate a large number of antenna elements and the…

信号处理 · 电气工程与系统科学 2025-09-11 Chandrashekhar Rai , Himali Singh , Arpan Chattopadhyay

In this paper, we propose a novel architecture for a lens antenna array (LAA) designed to work with a small number of antennas and enable angle-of-arrival (AoA) estimation for advanced 5G vehicle-to-everything (V2X) use cases that demand…

信号处理 · 电气工程与系统科学 2023-06-30 Joo-Hyun Jo , Jae-Nam Shim , Chan-Byoung Chae , Dong Ku Kim , Robert W. Heath

This paper proposes a radio simultaneous location and mapping (radio-SLAM) scheme based on sparse multipath channel estimation. By leveraging sparse channel estimation schemes at millimeter wave bands, namely high resolution estimates of…

信息论 · 计算机科学 2022-12-29 Felipe Gómez-Cuba , Gonzalo Feijoo-Rodríguez , Nuria González-Prelcic

Distributed phased arrays based multiple-input multiple-output (DPA-MIMO) is a newly introduced architecture that enables both spatial multiplexing and beamforming while facilitating highly reconfigurable hardware implementation in…

信息论 · 计算机科学 2020-08-21 Yu Zhang , Yiming Huo , Dongming Wang , Xiaodai Dong , Xiaohu You

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…

信号处理 · 电气工程与系统科学 2024-10-28 Marius Pesavento , Minh Trinh-Hoang , Mats Viberg

Antenna arrays are widely used in wireless communication, radar systems, radio astronomy, and military defense to enhance signal strength, directivity, and interference suppression. We introduce a deep learning-based optimization approach…

机器学习 · 计算机科学 2025-04-25 David Lu , Lior Maman , Jackson Earls , Amir Boag , Pierre Baldi

In this paper, we investigate a novel multiple-input multiple-output (MIMO) radar system aided by phase shifter based polarization-reconfigurable antennas (PRAs). Specifically, a base station (BS) equipped with multiple PRAs at both the…

信息论 · 计算机科学 2025-10-23 Jinpeng Xu , Shuowen Zhang

Dual-function radar communications (DFRC) systems have recently been proposed to enable the coexistence of radar and wireless communications, which in turn alleviates the increased spectrum congestion crisis. In this paper, we consider the…

信号处理 · 电气工程与系统科学 2018-08-16 Xiangrong Wang , Aboulnasr Hassanien , Moeness Amin

In passive radar, a network of distributed sensors exploit signals from so-called Illuminators-of-Opportunity to detect and localize targets. We consider the case where the IO signal is available at each receiver node through a reference…

信号处理 · 电气工程与系统科学 2026-05-19 Mats Viberg , Daniele Gerosa , Tomas McKelvey , Patrik Dammert , Thomas Eriksson

In recent years many sparse linear discriminant analysis methods have been proposed for high-dimensional classification and variable selection. However, most of these proposals focus on binary classification and they are not directly…

统计方法学 · 统计学 2015-04-23 Qing Mai , Yi Yang , Hui Zou

This paper focuses on the gridless direction-of-arrival (DoA) estimation for data acquired by non-uniform linear arrays (NLAs) in automotive applications. Atomic norm minimization (ANM) is a promising gridless sparse recovery algorithm…

信号处理 · 电气工程与系统科学 2023-03-09 Silin Gao , Zhe Zhang , Muhan Wang , Yan Zhang , Jie Zhao , Bingchen Zhang , Yue Wang , Yirong Wu

High-rank line-of-sight (LOS) MIMO systems have attracted considerable attention for millimeter wave and THz communications. The small wavelengths in these frequencies enable spatial multiplexing with massive data rates at long distances.…

信号处理 · 电气工程与系统科学 2023-04-18 Yaqi Hu , Mingsheng Yin , Sundeep Rangan , Marco Mezzavilla

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…

信号处理 · 电气工程与系统科学 2025-09-03 Amgad A. Salama

We consider the problem of direction of arrival (DOA) estimation using a newly proposed structure of non-uniform linear arrays, referred to as co-prime arrays, in this paper. By exploiting the second order statistical information of the…

信息论 · 计算机科学 2015-06-18 Zhao Tan , Yonina C. Eldar , Arye Nehorai

We propose a design strategy for optimizing antenna positions in linear arrays for far-field Direction of Arrival (DoA) estimation of narrow-band sources in collocated MIMO radar. Our methodology allows to consider any spatial constraints…

信号处理 · 电气工程与系统科学 2018-04-24 M. A. González-Huici , D. Mateos-Núñez , C. Greiff , R. Simoni

Spatial frequency estimation from a mixture of noisy sinusoids finds applications in various fields. While subspace-based methods offer cost-effective super-resolution parameter estimation, they demand precise array calibration, posing…

信号处理 · 电气工程与系统科学 2024-10-23 Tianyi Liu , Sai Pavan Deram , Khaled Ardah , Martin Haardt , Marc E. Pfetsch , Marius Pesavento

Distributed phased Multiple-Input Multiple-Output (phased-MIMO) radar systems have attracted wide attention in target detection and tracking. However, the phase-shifting circuits in phased subarrays contribute to high power consumption and…

信号处理 · 电气工程与系统科学 2025-04-18 Qian Li , Ziang Yang , Dou Li , Hongliang Zhang

Sparse roadmaps are important to compactly represent state spaces, to determine problems to be infeasible and to terminate in finite time. However, sparse roadmaps do not scale well to high-dimensional planning problems. In prior work, we…

机器人学 · 计算机科学 2021-10-08 Andreas Orthey , Marc Toussaint

Direction of Arrival (DOA) estimation of mixed uncorrelated and coherent sources is a long existing challenge in array signal processing. Application of compressive sensing to array signal processing has opened up an exciting class of…

信号处理 · 电气工程与系统科学 2018-09-10 Abhishek Aich , P. Palanisamy