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相关论文: Scaling up MIMO radar for target detection

200 篇论文

This work presents a cognitive radar (CR) framework to enhance remote sensing performance, specifically focusing on tracking multiple targets under unknown disturbances using massive multiple-input multiple-output (MMIMO) systems. Since…

信号处理 · 电气工程与系统科学 2026-04-15 Imad Bouhou , Stefano Fortunati , Leila Gharsalli , Alexandre Renaux

Designing unimodular waveforms with a desired beampattern, spectral occupancy and orthogonality level is of vital importance in the next generation Multiple-Input Multiple-Output (MIMO) radar systems. Motivated by this fact, in this paper,…

信号处理 · 电气工程与系统科学 2021-12-14 Ehsan Raei , Saeid Sedighi , Mohammad Alaee-Kerahroodi , M. R. Bhavani Shankar

Digital beamforming and waveform generation techniques in MIMO radar offer enormous advantages in terms of flexibility and performance compared to conventional radar systems based on analog implementations. To allow for such fully digital…

信息论 · 计算机科学 2018-12-27 Amine Mezghani , Robert W. Heath

In smart city development, the automatic detection of structures and vehicles within urban or suburban areas via array radar (airborne or vehicle platforms) becomes crucial. However, the inescapable multipath effect adversely affects the…

信号处理 · 电气工程与系统科学 2024-07-26 Yizhen Jia , Jie Cheng , Wen-Qin Wang , Hui Chen

In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar. For a given performance requirement of the downlink communication system,…

信息论 · 计算机科学 2017-07-04 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah

Channel estimation is fundamental to wireless communications, yet it becomes increasingly challenging in massive multiple-input multiple-output (MIMO) systems where base stations employ hundreds of antennas. Traditional least-squares…

信号处理 · 电气工程与系统科学 2025-11-04 Pinjun Zheng , Md. Jahangir Hossain , Anas Chaaban

Automotive synthetic aperture radar (SAR) systems are rapidly emerging as a candidate technological solution to enable a high-resolution environment mapping for autonomous driving. Compared to lidars and cameras, automotive-legacy radars…

Sparse Bayesian learning (SBL)-aided target localization is conceived for a bistatic mmWave MIMO radar system in the presence of unknown clutter, followed by the development of an angle-Doppler (AD)-domain representation of the…

信号处理 · 电气工程与系统科学 2025-06-16 Priyanka Maity , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

This work studies a point-to-point MIMO uplink in which user equipment transmits data to a base station employing a massive array. Signal detection is noncoherent and fading is assumed to follow the Weichselberger model. By exploiting the…

信息论 · 计算机科学 2026-03-25 Marc Vilà-Insa , Jaume Riba

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

Spectrum sharing is a new approach to solve the congestion problem in the RF spectrum. A spatial approach for spectrum sharing between a radar and a communication system was proposed, which mitigates the radar interference to communication…

信息论 · 计算机科学 2016-11-17 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

Continuous contactless respiration monitoring of co-sleeping subjects faces a dilemma: conventional single-site multiple-input multiple-output (MIMO) radars struggle with limited angular resolution for closely spaced individuals, while…

信号处理 · 电气工程与系统科学 2026-04-15 Lang Qin , Mandong Zhang , Wenting Song , Zhiqiang Huang , Xiaoguang Liu

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

In this study, the hybrid Cramer-Rao bound (CRB) is developed for target localization, to establish the sensitivity of the estimation mean-square error (MSE) to the level of phase synchronization mismatch in coherent Multiple-Input…

信息论 · 计算机科学 2009-10-30 Hana Godrich , Alexander M. Haimovich , H. Vincent Poor

The existence of multipath brings extra "looks" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of…

信号处理 · 电气工程与系统科学 2020-09-29 Zhou Xu , Chongyi Fan , Jian Wang , Xiaotao Huang

We investigate the one-bit MIMO (1b-MIMO) radar that performs one-bit sampling with a time-varying threshold in the temporal domain and employs compressive sensing in the spatial and Doppler domains. The goals are to significantly reduce…

信号处理 · 电气工程与系统科学 2020-04-22 Feng Xi , Yijian Xiang , Shengyao Chen , Arye Nehorai

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

We consider a spectral sharing problem in which a statistical (or widely distributed) multiple-input multiple-output (MIMO) radar and an in-band full-duplex (IBFD) multi-user MIMO (MU-MIMO) communications system concurrently operate within…

信号处理 · 电气工程与系统科学 2024-03-29 Jiawei Liu , Kumar Vijay Mishra , Mohammad Saquib

We consider the uplink of a Massive MIMO network with $L$ cells, each comprising a BS with $M$ antennas and $K$ single-antenna user equipments. Recently, [1] studied the asymptotic spectral efficiency of such networks with optimal multicell…

信息论 · 计算机科学 2019-06-26 Luca Sanguinetti , Emil Björnson , Abla Kammoun

In our recent work, we reported an exhaustive study on the simulated bit error rate (BER) performance of a low-complexity likelihood ascent search (LAS) algorithm for detection in large multiple-input multiple-output (MIMO) systems with…

信息论 · 计算机科学 2009-10-31 Saif K. Mohammed , A. Chockalingam , B. Sundar Rajan