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We develop a new tensor model for slow-time multiple-input multiple output (MIMO) radar and apply it for joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimation. This tensor model aims to exploit the independence of…

信号处理 · 电气工程与系统科学 2023-07-19 Feng Xu , Sergiy A. Vorobyov , Xiaopeng Yang

In this paper, we study the transmit signal optimization in a multiple-input multiple-output (MIMO) radar system for sensing the angle information of multiple targets via their reflected echo signals. We consider a challenging and practical…

信息论 · 计算机科学 2024-09-16 Jiayi Yao , Shuowen Zhang

Wireless-based human activity recognition has become an essential technology that enables contact-free human-machine and human-environment interactions. In this paper, we consider contact-free multi-target tracking (MTT) based on available…

信号处理 · 电气工程与系统科学 2023-01-03 Chenglong Li , Sibren De Bast , Yang Miao , Emmeric Tanghe , Sofie Pollin , Wout Joseph

This paper presents a system for robust, large-scale topological localisation using Frequency-Modulated Continuous-Wave (FMCW) scanning radar. We learn a metric space for embedding polar radar scans using CNN and NetVLAD architectures…

机器人学 · 计算机科学 2020-01-29 Ştefan Săftescu , Matthew Gadd , Daniele De Martini , Dan Barnes , Paul Newman

This paper focuses on the joint design of transmit waveforms and receive filters for airborne multiple-input-multiple-output (MIMO) radar systems in spectrally crowded environments. The purpose is to maximize the output…

信号处理 · 电气工程与系统科学 2023-04-06 Da Li , Bo Tang , Lei Xue

This study presents a comprehensive experimental assessment of a low-cost frequency-modulated continuous-wave (FMCW) multiple-input multiple-output (MIMO) radar for non-contact vital sign monitoring, focusing on respiratory rate (RR) and…

新兴技术 · 计算机科学 2026-03-11 Silvia Mura , Davide Scazzoli , Lorenzo Fineschi , Maurizio Magarini

In this paper, we investigate a distributed multi-input multi-output and orthogonal frequency division multiplexing (MIMO-OFDM) dual-function radar-communication (DFRC) system, which enables simultaneous communication and sensing in…

信号处理 · 电气工程与系统科学 2025-03-17 Chen Zhong , Xufeng Zhou , Lan Tang , Mengting Lou

The echo signals of frequency diverse array multiple-input multiple-output (FDA-MIMO) feature angle-range coupling, enabling simultaneous discrimination and estimation of multiple targets at different locations. In light of this, based on…

信号处理 · 电气工程与系统科学 2024-12-05 Jiangwei Jian , Bang Huang , Wenkai Jia , Mingcheng Fu , Wen-Qin Wang , Qimao Huang

Colocated multiple-input multiple-output (MIMO) technology has been widely used in automotive radars as it provides accurate angular estimation of the objects with relatively small number of transmitting and receiving antennas. Since the…

信号处理 · 电气工程与系统科学 2024-07-16 Le Zheng , Jiamin Long , Marco Lops , Fan Liu , Xueyao Hu

Combining unmanned aerial vehicle (UAV) with through-the-wall radar can realize moving targets detection in complex building scenes. However, clutters generated by obstacles and static objects are always stronger and non-stationary, which…

信号处理 · 电气工程与系统科学 2024-07-09 Xiaodong Qu , Xiaolong Sun , Feiyang Liu , Hao Zhang , Shichao Zhong , Xiaopeng Yang

Radar for deep learning-based human identification has become a research area of increasing interest. It has been shown that micro-Doppler ($\mu$-D) can reflect the walking behavior through capturing the periodic limbs' micro-motions. One…

信号处理 · 电气工程与系统科学 2022-06-14 Pascal Weller , Fady Aziz , Sherif Abdulatif , Urs Schneider , Marco F. Huber

Motivated by automotive applications, we consider joint radar sensing and data communication for a system operating at millimeter wave (mmWave) frequency bands, where a Base Station (BS) is equipped with a co-located radar receiver and…

信号处理 · 电气工程与系统科学 2022-07-13 Saeid K. Dehkordi , Lorenzo Gaudio , Mari Kobayashi , Giuseppe Caire , Giulio Colavolpe

In this paper, the problem of formulating effective processing pipelines for indoor human tracking is investigated, with the usage of a Multiple Input Multiple Output (MIMO) Frequency Modulated Continuous Wave (FMCW) radar. Specifically,…

信号处理 · 电气工程与系统科学 2026-01-06 Dingyang Wang , Francesco Fioranelli , Alexander Yarovoy

Multiple-input multiple-output (MIMO) radar has become a thriving subject of research during the past decades. In the MIMO radar context, it is sometimes more accurate to model the radar clutter as a non-Gaussian process, more specifically,…

应用统计 · 统计学 2016-03-31 Xin Zhang , Mohammed Nabil El Korso , Marius Pesavento

We consider the design of polyphase waveforms for ground moving target detection with airborne multiple-input-multiple-output (MIMO) radar. Due to the constant-modulus and finite-alphabet constraint on the waveforms, the associated design…

信号处理 · 电气工程与系统科学 2020-10-28 Bo Tang , Jonathan Tuck , Peter Stoica

Channel estimation at millimeter wave (mmWave) is challenging when large antenna arrays are used. Prior work has leveraged the sparse nature of mmWave channels via compressed sensing based algorithms for channel estimation. Most of these…

信息论 · 计算机科学 2018-06-19 Nitin Jonathan Myers , Robert W. Heath

The recently proposed orthogonal time frequency space (OTFS) modulation multiplexes data symbols in the delay-Doppler (DD) domain. Since the range and velocity, which can be derived from the delay and Doppler shifts, are the parameters of…

信号处理 · 电气工程与系统科学 2023-06-21 Kecheng Zhang , Weijie Yuan , Shuangyang Li , Fan Liu , Feifei Gao , Pingzhi Fan , Yunlong Cai

Massive multiple-input multiple-output (MIMO) enjoys great advantage in 5G wireless communication systems owing to its spectrum and energy efficiency. However, hundreds of antennas require large volumes of pilot overhead to guarantee…

信号处理 · 电气工程与系统科学 2023-09-26 An Chen , Wenbo Xu , Liyang Lu , Yue Wang

In this paper, we consider a distributed multiple-input multiple-output (MIMO) radar which radiates waveforms with non-ideal cross- and auto-correlation functions and derive a novel subspace-based procedure to detect and localize multiple…

信号处理 · 电气工程与系统科学 2022-12-09 Yangming Lai , Luca Venturino , Emanuele Grossi , Wei Yi

Doubly selective (DS) channel estimation in largescale multiple-input multiple-output (MIMO) systems is a challenging problem due to the requirement of unaffordable pilot overheads and prohibitive complexity. In this paper, we propose a…

信息论 · 计算机科学 2015-11-10 Bo Gong , Qibo Qin , Xiang Ren , Lin Gui , Hanwen Luo , Wen Chen