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DOA Estimation Method for Two-Dimensional Wideband Signals by Sparse Recovery in Frequency Domain
2017
Journal of Information Hiding and Multimedia Signal Processing
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Therefore, a novel approach for two-dimensional wideband signals by sparse recovery is used, the iterative functions are constructed and calculated by output signal, after that the support set is acquired ...
The direction of arrival(DOA) estimation methods with sparse recovery need to separate the searching space into some angle meshes, which will cause some error to the result. ...
This work is supported by the national natural science fund of China (61501176) and University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province, (UNPYSCT-2016017). ...
dblp:journals/jihmsp/ZhenW17
fatcat:k5qmet4crnbk7mhihreptckdfe
Underdetermined DOA Estimation of Wideband LFM Signals Based on Gridless Sparse Reconstruction in the FRF Domain
2019
Sensors
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An underdetermined direction of arrival (DOA) estimation method of wideband linear frequency modulated (LFM) signals is proposed without grid mismatch. ...
According to the concentration property of LFM signal in the fractional Fourier (FRF) domain, the received sparse model of wideband signals with time-variant steering vector is firstly derived based on ...
Acknowledgments: The authors sincerely appreciate to the anonymous reviewers and editor for their valuable comments and suggestions. ...
doi:10.3390/s19102383
fatcat:xf747uv6xzajxf26c3zn7zsdeu
A novel wideband DOA estimation method based on a fast sparse frame
2021
IET Communications
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A novel wideband DOA estimation method based on a fast sparse frame. IET Commun. 2021;15:935-945. ...
Finally, wideband DOA estimation can be achieved by MMV-ASNHF algorithm. ...
Wideband DOA model for sparse reconstruction When the SMV algorithms are applied to wideband DOA estimation, solutions can be obtained by averaging the results of the sub-problems at each frequency bin ...
doi:10.1049/cmu2.12132
fatcat:6einjnk6jvg6hgnekkv3wnsbfm
SAM 2020 Author Index
2020
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
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Huang, Changhai SS15.2
DOA Estimation by Two-Dimensional Interpolation
in the Presence of Mutual Coupling
Huang, Chen
SS09.1
Signal waveform design for high resolution target
localization in ...
in
Time and Frequency Domain
SS05.5
An Anti-jamming Method Against Frequency Diverse
Array for ISAR Radar by Spatial Location Feature
Recognition
Luo, Zhen
SS09.1
Signal waveform design for ...
doi:10.1109/sam48682.2020.9104397
fatcat:cfp5gsikrzabhhcnkalahjkxze
Wideband Doa Estimation Based On Joint Optimisation Of Array And Spatial Sparsity
2018
Zenodo
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Publication in the conference proceedings of EUSIPCO, Kos island, Greece, 2017 ...
JOINT SPARSITY BASED METHOD FOR WIDEBAND DOA ESTIMATION In this section, we present a method for wideband DoA estimation by exploiting the spatial sparsity and using as few sensors from the array as possible ...
The method operates by reshaping the wideband signal which is then used in CS-based sparse array optimisation to estimate the weight coefficients for the selection of the sensors. ...
doi:10.5281/zenodo.1159231
fatcat:ffcbfr66qfdcjj3ztth2fqopai
Broadband DOA Estimation Based on Nested Arrays
2015
International Journal of Antennas and Propagation
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In addition, the method can achieve high estimation precision without the two-dimensional search process in frequency and angle domain. ...
Then, the DOAs and frequencies are pair matched by sparse recovery. ...
In fact, the broadband DOA estimation problem includes two-dimensional parameter: frequency and angle. It is normally implemented with a two-dimensional search process in frequency and angle domain. ...
doi:10.1155/2015/974634
fatcat:en6yrra5vzdgrjedjsomcn37hu
Wideband DoA estimation based on joint optimisation of array and spatial sparsity
2017
2017 25th European Signal Processing Conference (EUSIPCO)
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We study the problem of wideband direction of arrival (DoA) estimation by joint optimisation of array and spatial sparsity. Two-step iterative process is proposed. ...
In the first step, the wideband signal is reshaped and used as the input to derive the weight coefficients using a sparse array optimisation method. ...
JOINT SPARSITY BASED METHOD FOR WIDEBAND DOA ESTIMATION In this section, we present a method for wideband DoA estimation by exploiting the spatial sparsity and using as few sensors from the array as possible ...
doi:10.23919/eusipco.2017.8081581
dblp:conf/eusipco/ChenWBC17
fatcat:earlyulgsjha5iayvqedmawlce
Array signal processing and systems
2018
Multidimensional systems and signal processing
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In the field of electromagnetic sensor (antenna) arrays, there is much interest in the electronically-steerable radio-frequency (RF) beams that can be obtained from phased-array antennas. ...
In the emerging mm-wave regime, modern applications of array processing are of paramount importance for wireless communications. ...
The paper by presented an algorithm for two-dimensional DOA estimation of noncircular sources using an L-shaped sparse array composed of two co-prime arrays. ...
doi:10.1007/s11045-018-0555-7
fatcat:rxojkqcy6jeejnryqmqbnvqupe
MIMO Antennas in Radar Applications
2015
International Journal of Antennas and Propagation
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Pasya et al. present a joint DOD and DOA estimation in a MIMO radar utilizing ultra wideband signals for detecting targets with fluctuating radar cross sections. H. ...
Xu et al. present a DOA and Doppler frequency joint estimator for bistatic MIMO radar in spatial colored noise. ...
Acknowledgment We would like to thank all authors for their highly professional contributions and the reviewers for their valuable ideas, time, and suggestions. ...
doi:10.1155/2015/696790
fatcat:jk2cvrss6nfq3l44577yh72r6a
Block sparse representation approach to 2D DOA and polarisation estimation of wideband signals using a sparse vector antenna array
2020
IET radar, sonar & navigation
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parameter estimation of wideband signals. ...
In this study, a multi-polarised two-dimensional (2D) planar array of sparsely located vector antennas (VAs) is designed for the block sparse representation (SR)-based 2D direction finding and polarisation ...
Acknowledgments This work was partly supported by the National Natural Science Foundation of China under grant nos. 61331019 and 61490691.
References ...
doi:10.1049/iet-rsn.2020.0207
fatcat:dbjpsa5ur5d6nkrqfjcye5xujm
[SAM 2020 Title Page]
2020
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
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Rank Determination
53 1570621010 DOA Estimation Based on Ultra Sparse Nested MIMO Array
with Two Co-prime Frequencies
54 1570619395 DOA Estimation by Two-Dimensional Interpolation in the
Presence ...
of Mutual Coupling
55 1570622788 DOA Estimation Exploiting Interpolated Multi-Frequency
Sparse Array
56 1570618067 DOA Estimation for Coexistence of Circular and Non-Circular
Signals Based on Atomic ...
doi:10.1109/sam48682.2020.9104267
fatcat:erntqdmhdrdspcrkvjowtplyyq
SPACE-BORNE COMPRESSED SENSING BASED RECEIVER FOR ACCURATE LOCALIZATION OF GROUND-BASED RADARS
2020
Progress In Electromagnetics Research C
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The proposed sub-Nyquist sampler employs a three dimensional uniform linear array (ULA), followed by a modulated wideband converter (MWC). ...
To address this issue, we propose a receiver structure with an appropriate sub-Nyquist sampling scheme and fast sparse recovery algorithm. ...
Also, joint two dimensional DoAs and carrier frequency estimation is considered in [14] . ...
doi:10.2528/pierc19110603
fatcat:fy34igcxjfhrrmitc46oizuqlq
Application of Compressive Sensing in Cognitive Radio Communications: A Survey
2016
IEEE Communications Surveys and Tutorials
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Due to the underutilization of the allocated radio spectrum, spectrum occupancy is usually sparse in different domains such as time, frequency and space. ...
Subsequently, we review the existing CSrelated works applied to different categories such as wideband sensing, signal parameter estimation and Radio Environment Map (REM) construction, highlighting the ...
That approach was followed in [82] , where the use of CS was examined for the estimation of highly sparse channel by means of a new sparse channel estimation approach based on the frequency domain model ...
doi:10.1109/comst.2016.2524443
fatcat:qvil3rvugzfnlpvpuf5nuklk6m
A Channelization-Based DOA Estimation Method for Wideband Signals
2016
Sensors
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In this paper, we propose a novel direction of arrival (DOA) estimation method for wideband signals with sensor arrays. ...
The intractable computational complexity for sparse recovery makes it difficult to implement on hardware platforms. ...
Acknowledgments: The authors are thankful to the anonymous reviewers and the editors for their help in improving the manuscript and the ATR Lab for collecting the data used in this research. ...
doi:10.3390/s16071031
pmid:27384566
pmcid:PMC4970080
fatcat:w4th3zowtfeoti6cxojjrjbmpy
MT-BCS-Based DoA and Bandwidth Estimation of Unknown Signals through Multiple Snapshots Data
2020
International Journal of Antennas and Propagation
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The DoA estimation is used as the reconstruction of sparse signal constrained by the Laplace prior through multitask Bayesian Compressive Sensing. ...
The bandwidth of the signals is obtained as a byproduct by identifying at which frequencies the MT-BCS estimations include a signal along the ith (i = 1,..., I) sampling direction. ...
Acknowledgments is work was supported by the National Natural Science Foundation of China under Grant no. 61771008. ...
doi:10.1155/2020/6179280
fatcat:7exgpydzfjdpxf6vv5pnud7cz4
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