中文
相关论文

相关论文: One-bit LFMCW Radar: Spectrum Analysis and Target …

200 篇论文

Multiple-input multiple-output (MIMO) radar has several advantages with respect to the traditional radar array systems in terms of performance and flexibility. However, in order to achieve high angular resolution, a MIMO radar requires a…

信号处理 · 电气工程与系统科学 2023-03-01 Himali Singh , Arpan Chattopadhyay

We investigate the problem of sparse target detection from widely distributed multistatic \textit{Frequency Modulated Continuous Wave} (FMCW) radar systems (using chirp modulation). Unlike previous strategies (\emph{e.g.}, developed for…

信号处理 · 电气工程与系统科学 2020-01-03 Gilles Monnoyer de Galland , Thomas Feuillen , Laurent Jacques , Luc Vandendorpe

This letter revisits the channel estimation problem for MIMO systems with one-bit analog-to-digital converters (ADCs) through a novel algorithm--Amplitude Retrieval (AR). Unlike the state-of-the-art methods such as those based on one-bit…

信号处理 · 电气工程与系统科学 2020-01-08 Cheng Qian , Xiao Fu , Nicholas D. Sidiropoulos

Receivers with one-bit analog-to-digital converters (ADCs) are promising for high bandwidth millimeter wave (mmWave) systems as they consume less power than their full resolution counterparts. The extreme quantization in one-bit receivers…

信号处理 · 电气工程与系统科学 2020-02-11 Nitin Jonathan Myers , Kayla N. Tran , Robert W. Heath

One of the notorious problems of frequency modulated continuous-wave (FMCW) radar is leakage between the transmitter and the receiver. The phase noise of the leakage is expressed as a skirt around the leakage signal on power spectrum. It…

信号处理 · 电气工程与系统科学 2019-03-27 Junhyeong Park , Seungwoon Park , Seong-Ook Park

Radio frequency interference (RFI) mitigation is critical to the proper operation of ultra-wideband (UWB) radar systems since RFI can severely degrade the radar imaging capability and target detection performance. In this paper, we address…

信号处理 · 电气工程与系统科学 2021-03-29 Tianyi Zhang , Jiaying Ren , Jian Li , Lam H. Nguyen , Petre Stoica

We propose the LCB-CV-UNet to tackle performance degradation caused by High Dynamic Range (HDR) radar signals. Initially, a hardware-efficient, plug-and-play module named Logarithmic Connect Block (LCB) is proposed as a phase coherence…

信号处理 · 电气工程与系统科学 2025-11-27 Yanbin Wang , Xingyu Chen , Yumiao Wang , Xiang Wang , Chuanfei Zang , Guolong Cui , Jiahuan Liu

As future wireless systems trend towards higher carrier frequencies and large antenna arrays, receivers with one-bit analog-to-digital converters (ADCs) are being explored owing to their reduced power consumption. However, the combination…

信息论 · 计算机科学 2022-11-17 Akash Doshi , Jeffrey G. Andrews

Next-generation intelligent transportation systems require both sensing and communication between road users. However, deploying separate radars and communication devices involves the allocation of individual frequency bands and hardware…

信号处理 · 电气工程与系统科学 2026-02-11 Akanksha Sneh , Aakanksha Tewari , Shobha Sundar Ram , Sumit J Darak

In this paper, we present a 2D target localization method using two low cost and compact Mellimeter Wave Frequency Modulated Continuous Wave (MMW-FMCW) radars. To create a 2D map we exploit the bilateration method followed by a multi-target…

信号处理 · 电气工程与系统科学 2021-09-16 Shahrokh Hamidi , Safieddin Safavi-Naeini

Frequency modulated continuous wave (FMCW) radar is widely used in autonomous driving and industrial inspection due to its high-resolution target location and velocity estimation capability. However, the plethora of connected devices in…

信号处理 · 电气工程与系统科学 2026-05-28 Luoyan Zhu , Sergiy A. Vorobyov , Jie Wang , Yinsheng Liu , Zhangdui Zhong

With a unified belief propagation (BP) and mean field (MF) framework, we propose an iterative message passing receiver, which performs joint channel state and noise precision (the reciprocal of noise variance) estimation and decoding for…

信息论 · 计算机科学 2017-11-13 Zhengdao Yuan , Chuanzong Zhang , Zhongyong Wang , Qinghua Guo , Sheng Wu , and Xingye Wang

This paper develops novel deep learning-based architectures and design methodologies for an orthogonal frequency division multiplexing (OFDM) receiver under the constraint of one-bit complex quantization. Single bit quantization greatly…

信息论 · 计算机科学 2019-05-29 Eren Balevi , Jeffrey G. Andrews

Spectrum sensing in cognitive radio necessitates effective monitoring of wide bandwidths, which requires high-rate sampling. Traditional spectrum sensing methods employing high-precision analog-to-digital converters (ADCs) result in…

信号处理 · 电气工程与系统科学 2023-06-26 Pei-Wen Wu , Lei Huang , David Ramírez , Yu-Hang Xiao , Hing Cheung So

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

信号处理 · 电气工程与系统科学 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

This paper addresses channel estimation and data equalization on frequency-selective 1-bit quantized Multiple Input-Multiple Output (MIMO) systems. No joint processing or Channel State Information is assumed at the transmitter, and…

信息论 · 计算机科学 2021-03-09 Javier García , Jawad Munir , Kilian Roth , Josef A. Nossek

Multiple Input Multiple Output (MIMO) Frequency Modulated Continuous Wave (FMCW) radars operating at 79GHz are compact, light and cost effective devices with low peak-to-average power ratio that have applications in different areas such as…

信号处理 · 电气工程与系统科学 2024-05-07 Shahrokh Hamidi , Safieddin Safavi-Naeini

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

信号处理 · 电气工程与系统科学 2021-12-21 Yu Cao , QiYue Yu

This paper considers mutual interference mitigation among automotive radars using frequency-modulated continuous wave (FMCW) signal and multiple-input multiple-output (MIMO) virtual arrays. For the first time, we derive a general…

信号处理 · 电气工程与系统科学 2023-04-07 Sian Jin , Pu Perry Wang , Petros Boufounos , Philip V. Orlik , Ryuhei Takahashi , Sumit Roy

We develop a broadband channel estimation algorithm for millimeter wave (mmWave) multiple input multiple output (MIMO) systems with few-bit analog-to-digital converters (ADCs). Our methodology exploits the joint sparsity of the mmWave MIMO…

信息论 · 计算机科学 2017-12-07 Jianhua Mo , Philip Schniter , Robert W. Heath