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24 Results Found

  • Article
  • Open Access
27 Citations
4,474 Views
23 Pages

21 November 2018

The unknown mutual coupling effect between antennas significantly degrades the target localization performance in the bistatic multiple-input multiple-output (MIMO) radar. In this paper, the joint estimation problem for the direction of departure (DO...

  • Article
  • Open Access
6 Citations
4,836 Views
11 Pages

14 December 2015

A novel spatio-temporal 2-dimensional (2-D) processing method that can jointly estimate the transmitting-receiving azimuth and Doppler frequency for bistatic multiple-input multiple-output (MIMO) radar in the presence of spatial colored noise and an...

  • Article
  • Open Access
10 Citations
2,333 Views
19 Pages

21 February 2023

Since there is a frequency offset between each adjacent antenna of FDA radar, there exists angle-range two-dimensional dependence in the transmitter. For bistatic FDA-multiple input multiple output (MIMO) radar, range-direction of departure (DOD)-dir...

  • Article
  • Open Access
7 Citations
3,283 Views
12 Pages

2 June 2019

We develop a novel approach improving existing target localization algorithms for distributed multiple-input multiple-output (MIMO) radars based on bistatic range measurements (BRMs). In the proposed algorithms, we estimate the target position with a...

  • Article
  • Open Access
8 Citations
3,998 Views
21 Pages

9 January 2019

Since second-order statistics-based methods rely heavily on Gaussianity assumption and fractional lower-order statistics-based methods depend on a priori knowledge of non-Gaussian noise, there remains a void in wideband bistatic multiple-input/multip...

  • Article
  • Open Access
6 Citations
2,554 Views
14 Pages

19 June 2022

Based on low-rank matrix reconstruction theory, this paper proposes a joint DOD and DOA estimation method for coherent targets with bistatic coprime array MIMO radar. Unlike the conventional vectorization, the proposed method processed the coprime ar...

  • Article
  • Open Access
9 Citations
3,215 Views
14 Pages

27 April 2024

This paper presents a new technique for estimating the two-dimensional direction of departure (2D-DOD) and direction of arrival (2D-DOA) in bistatic uniform planar array Multiple-Input Multiple-Output (MIMO) radar systems. The method is based on the...

  • Article
  • Open Access
6 Citations
3,218 Views
19 Pages

The direction-of-departure (DOD) and the direction-of-arrival (DOA) are important localization parameters in bistatic MIMO radar. In this paper, we are interested in DOD/DOA estimation of both single-pulse and multiple-pulse multiple-input multiple-o...

  • Article
  • Open Access
10 Citations
3,241 Views
14 Pages

Tensor-Based Angle Estimation Approach for Strictly Noncircular Sources with Unknown Mutual Coupling in Bistatic MIMO Radar

  • Yuehao Guo,
  • Xianpeng Wang,
  • Wensi Wang,
  • Mengxing Huang,
  • Chong Shen,
  • Chunjie Cao and
  • Guoan Bi

24 August 2018

In the paper, the estimation of joint direction-of-departure (DOD) and direction-of-arrival (DOA) for strictly noncircular targets in multiple-input multiple-output (MIMO) radar with unknown mutual coupling is considered, and a tensor-based angle est...

  • Article
  • Open Access
39 Citations
6,860 Views
11 Pages

25 February 2014

In this paper, a new tensor-based subspace approach is proposed to estimate the direction of departure (DOD) and the direction of arrival (DOA) for bistatic multiple-input multiple-output (MIMO) radar in the presence of spatial colored noise. Firstly...

  • Article
  • Open Access
5 Citations
4,916 Views
15 Pages

7 March 2018

In this paper, we consider the problem of tracking the direction of arrivals (DOA) and the direction of departure (DOD) of multiple targets for bistatic multiple-input multiple-output (MIMO) radar. A high-precision tracking algorithm for target angle...

  • Article
  • Open Access
1 Citations
2,152 Views
20 Pages

14 February 2025

Small targets with low radar cross-section (RCS) and high velocities are very hard to track by radar as long as the frequent variations in speed and location demand shorten the integration temporal window. In this paper, we propose a technique for tr...

  • Article
  • Open Access
1 Citations
1,241 Views
20 Pages

Optimizing Circular MIMO Array Imaging Using Partial Equivalent Method for Sidelobe Suppression

  • Yiming Dai,
  • Zhikun Zheng,
  • Hong Ye,
  • Xu Zhang,
  • Jun Yang,
  • Guangsheng Deng,
  • Ying Li and
  • Zhiping Yin

7 November 2024

In this paper, we propose a novel approach for circular Multiple-Input Multiple-Output (MIMO) array imaging, termed the Partial Equivalent Method (PEM), aimed at sidelobe suppression. In our method, the imaging process of the circular MIMO array is i...

  • Article
  • Open Access
4 Citations
5,551 Views
12 Pages

7 August 2014

The transmit array of multi-overlapped-transmit-subarray configured bistatic multiple-input multiple-output (MOTS MIMO) radar is partitioned into a number of overlapped subarrays, which is different from the traditional bistatic MIMO radar. In this p...

  • Article
  • Open Access
23 Citations
9,175 Views
16 Pages

In millimeter wave (mmWave) communications, the feature of relatively large signal absorption and directional transmission render new challenges for wireless communications and signal processing. To further improve the performance of mmWave communica...

  • Communication
  • Open Access
9 Citations
2,462 Views
20 Pages

17 June 2022

In the past few years, multiple-input multiple-output (MIMO) radar with electromagnetic vector sensor (EMVS) array, or called EMVS-MIMO radar, has attracted extensive attention in target detection. Unlike the traditional scalar sensor-based MIMO rada...

  • Communication
  • Open Access
9 Citations
2,837 Views
11 Pages

28 July 2021

Ideal transmitting and receiving (Tx/Rx) array response is always desirable in multiple-input multiple-output (MIMO) radar. In practice, nevertheless, Tx/Rx arrays may be susceptible to unknown gain-phase errors (GPE) and yield seriously decreased po...

  • Article
  • Open Access
11 Citations
4,271 Views
20 Pages

Phase Shift Migration with Modified Coherent Factor Algorithm for MIMO-SAR 3D Imaging in THz Band

  • Guan Yang,
  • Chao Li,
  • Shiyou Wu,
  • Shen Zheng,
  • Xiaojun Liu and
  • Guangyou Fang

20 November 2021

In multiple-input-multiple-output synthetic aperture radar (MIMO-SAR) systems, sparse arrays are usually applied, resulting in increased sidelobes of the point spread function. In this paper, a phase shift migration (PSM) imaging algorithm based on t...

  • Article
  • Open Access
9 Citations
4,843 Views
12 Pages

30 March 2017

In this paper, we propose an exact model-based method for near-field sources localization with a bistatic multiple input, multiple output (MIMO) radar system, and compare it with an approximated model-based method. The aim of this paper is to propose...

  • Article
  • Open Access
5 Citations
3,666 Views
15 Pages

2D-DOD and 2D-DOA Estimation for a Mixture of Circular and Strictly Noncircular Sources Based on L-Shaped MIMO Radar

  • Jiaxiong Fang,
  • Yonghong Liu,
  • Yifang Jiang,
  • Yang Lu,
  • Zehao Zhang,
  • Hua Chen and
  • Laihua Wang

12 April 2020

In this paper, a joint diagonalization based two dimensional (2D) direction of departure (DOD) and 2D direction of arrival (DOA) estimation method for a mixture of circular and strictly noncircular (NC) sources is proposed based on an L-shaped bistat...

  • Article
  • Open Access
8 Citations
4,447 Views
14 Pages

9 March 2018

This paper deals with joint estimation of direction-of-departure (DOD) and direction-of- arrival (DOA) in bistatic multiple-input multiple-output (MIMO) radar with the coexistence of unknown mutual coupling and spatial colored noise by developing a n...

  • Article
  • Open Access
5 Citations
3,858 Views
18 Pages

11 February 2022

In this study, we propose a range detection (RD) ability by a continuous wave (CW) bistatic Doppler radar (RDCWB) of small and fast targets with very high range resolution. The target’s range and velocity are detected simultaneously. The scheme...

  • Article
  • Open Access
1 Citations
1,420 Views
22 Pages

12 March 2025

This work addresses the issue of closely spaced multi-target localization in distributed MIMO radars using bistatic range (BR) and angle of arrival (AOA) measurements. We propose a two-step method, decomposing the problem into measurement association...

  • Article
  • Open Access
41 Citations
8,966 Views
17 Pages

Detection of Multiple Stationary Humans Using UWB MIMO Radar

  • Fulai Liang,
  • Fugui Qi,
  • Qiang An,
  • Hao Lv,
  • Fuming Chen,
  • Zhao Li and
  • Jianqi Wang

16 November 2016

Remarkable progress has been achieved in the detection of single stationary human. However, restricted by the mutual interference of multiple humans (e.g., strong sidelobes of the torsos and the shadow effect), detection and localization of the multi...