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Low-degree root-MUSIC algorithm for fast DOA estimation based on variable substitution technique

Fenggang Yan, Ming Jin, Hongjuan Zhou, Jun Wang, Shuai Liu
2019 Science China Information Sciences  
Low-degree root-MUSIC algorithm for fast DOA estimation based on variable substitution technique. Sci China Inf Sci, 2020, 63(5): 159206, https://doi.  ...  propose a new low-degree root-MUSIC algorithm, which requires only RV computations for fast DOA estimation.  ...  This is because our method is based on variable substitution without approximation.  ... 
doi:10.1007/s11432-018-9635-0 fatcat:2xmsqby4ovagbcwulewz2p3zli

Efficient Two-Dimensional Direction Finding via Auxiliary-Variable Manifold Separation Technique for Arbitrary Array Structure

Guang Hua, Jiu-Dong Wu, Xi-Cheng Zhu, Hou-Xing Zhou, Wei Hong
2015 Mathematical Problems in Engineering  
A polynomial rooting direction of arrival (DOA) algorithm for multiple plane waves incident on an arbitrary array structure that combines the multipolynomial resultants and matrix computations is proposed  ...  Firstly, a new auxiliary-variable manifold separation technique (AV-MST) is used to model the steering vector of arbitrary array structure as the product of a sampling matrix (dependent only on the array  ...  Some fast direction finding estimators designed for uniform linear array, root-MUSIC, and root-WSF [1] [2] [3] [4] , for example, can then be applied to give estimates of source bearings relative to the  ... 
doi:10.1155/2015/740513 fatcat:vwojap5rirhkxk7xnp4ezy2mle

A new root-based direction-finding algorithm

Wasyl Wasylkiwskyj, Ivica Kopriva, Miloš Doroslovački, Amir I. Zaghloul
2007 Radio Science  
A popular algorithm in such situations is Root Multiple Signal Classification (Root MUSIC (RM)), wherein the estimation of the directions of arrivals (DOA) requires the computation of the roots of a (2N  ...  In this paper we derive a modified root polynomial (MRP) algorithm requiring the calculation of only L roots in order to estimate the L DOA.  ...  ] and root-based algorithms such as Root-MUSIC [Barabell, 1983; Rao and Hari, 1989] , Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT) [Roy and Kailath, 1989] .  ... 
doi:10.1029/2004rs003147 fatcat:y24lgwr6w5e7ncnojnem5ma4r4

A Fast Algorithm for 2D DOA Estimation Using an Omnidirectional Sensor Array

Weike Nie, Kaijie Xu, Dazheng Feng, Chase Wu, Aiqin Hou, Xiaoyan Yin
2017 Sensors  
Goossens and Rogier [18] proposed an efficient 2D DOA estimation algorithm based on the combination of UCA-RARE and Root-MUSIC.  ...  In the presence of completely polarized electromagnetic wave, Costa [15] proposed a joint high-resolution 2D DOA and polarization estimator [16, 17] based on polynomial rooting techniques and Fast Fourier  ...  Conclusions We have proposed a new search-based algorithm, called AESS, for 2D DOA estimation.  ... 
doi:10.3390/s17030515 pmid:28273851 pmcid:PMC5375801 fatcat:xfvflezo6vbnxj6lose3y3tmpi

One-dimensional MUSIC-type Algorithm for Spherical Microphone Arrays

Qinghua Huang, Tingwei Chen
2020 IEEE Access  
In this paper, one-dimensional MUSIC-type approach (ODMUSIC) is proposed to estimate the elevation and azimuth.  ...  The mapping matrix only depends on the array configuration and can be calculated prior to DOA estimation.  ...  Two-step Root-MUSIC algorithm picked the roots under the constraint of the stochastic ML function minimum and thus improved the estimation accuracy at low SNRs [13] .  ... 
doi:10.1109/access.2020.2972069 fatcat:dgdi467p6nb45dt2yn4ozmvu6m

Sparse frame DOA estimations via a rank-one correlation model for low SNR and limited snapshots

Cao Zeng, Shengqi Zhu, Shidong Li, Quisheng Liao, Lanmei Wang
2016 Applied and Computational Harmonic Analysis  
A fast and super resolution method for DOA estimations is therefore established under very low signal-to-noise ratio, and by a sparse recovery technique of null space tuning in the context of compressed  ...  The algorithm is also computationally efficient, which is critical for large array systems and/or mission critical real-time applications.  ...  In this article, a fast and super-resolution DOA estimation approach based on a crucial correlation operation and sparse frame representations is proposed.  ... 
doi:10.1016/j.acha.2016.02.002 fatcat:42fhylyn3va3hcujl34fp4ly7m

DOA Estimation Using a Greedy Block Coordinate Descent Algorithm

Xiaohan Wei, Yabo Yuan, Qing Ling
2012 IEEE Transactions on Signal Processing  
Last, we move forward to propose a weighted form of the block selection rule based on the MUSIC prior.  ...  This paper presents a novel jointly sparse signal reconstruction algorithm for the DOA estimation problem, aiming to achieve faster convergence rate and better estimation accuracy compared to existing  ...  Yin of Rice University for his constructive comments.  ... 
doi:10.1109/tsp.2012.2218812 fatcat:2q4d3v36njehddddodnj2zgpre

DOA Estimation of Uncorrelated, Partly Correlated and Coherent Signals Using Alternating Oblique Projection

H. Hou, X. Mao
2017 Radioengineering  
After theoretical analysis on the relationship between the proposed AOP-DOA and the conventional alternating projection based maximum likelihood estimator (AP-MLE), an AOP&AP-DOA algorithm, which is a  ...  To estimate the DOAs of uncorrelated, partly correlated and coherent signals, a new iterative DOA estimation algorithm, named AOP-DOA, is proposed by using alternating oblique projection (AOP).  ...  Alternating Oblique Projection for DOA Estimation AOP-DOA is a data-dependent, alternating least squares (LS) adaptive algorithm based on the relaxed optimization principle ("one parameter at the time"  ... 
doi:10.13164/re.2017.0588 fatcat:mfon2gxjajh5tesvshdk6bgxdy

A Fast DOA Estimation Algorithm Based on Polarization MUSIC

R. Guo, X. Mao, S. Li, Y. Wang, X. Wang
2015 Radioengineering  
A fast DOA estimation algorithm developed from MUSIC, which also benefits from the processing of the signals' polarization information, is presented.  ...  Compared with conventional MUSIC, the proposed algorithm has considerable advantage in aspects of precision and resolution, with a low computation complexity proportional to a conventional 2-D MUSIC.  ...  Acknowledgements The authors thank the support from National Natural Science Foundation of China (No. 61171180) for the research.  ... 
doi:10.13164/re.2015.0214 fatcat:6tqfrs4z4vbrbhntumojj4dohq

Wideband Direction-of-Arrival Estimation With Arbitrary Array via Coherent Annihilating

Yujian Pan, Guo Qing Luo, Zhen Liao, Bengeng Cai, Min Yao
2019 IEEE Access  
In this paper, a new wideband DOA estimation method for arbitrary array application is proposed.  ...  (DOA) estimation.  ...  Associate, where he was involved in developing low profile antennas for UAV applications. He has authored or coauthored more than 70 technical papers in refereed journals and conferences.  ... 
doi:10.1109/access.2019.2911631 fatcat:ez2wtkcv3ze33jm45i5wjhpx6e

Rapid Phase Ambiguity Elimination Methods for DOA Estimator via Hybrid Massive MIMO Receive Array [article]

Xichao Zhan, Yiwen Chen, Feng Shu, Xin Cheng, Yuanyuan Wu, Qi Zhang, Yifang Li, Peng Zhang
2022 arXiv   pre-print
Finally, to achieve the CRLB, a Root-MUSIC plus Max-RP-QI scheme is developed.  ...  sector corresponding to the maximum output is the estimated true DOA.  ...  CONCLUSIONS In this paper, based on the hybrid massive MIMO receive array structure, the three DOA estimators: Max-RP, Max-RP- Fig. 9 .  ... 
arXiv:2204.12991v1 fatcat:4akoxg2akne7bnimb5d4jiaihq

WAVES: weighted average of signal subspaces for robust wideband direction finding

E.D. di Claudio, R. Parisi
2001 IEEE Transactions on Signal Processing  
Existing algorithms for wideband direction finding are mainly based on local approximations of the Gaussian log-likelihood around the true directions of arrival (DOAs), assuming negligible array calibration  ...  Suboptimal and costly algorithms, such as classical or sequential beamforming, are required to initialize a local search that eventually furnishes DOA estimates.  ...  ROOT-MUSIC [11] was used for the final DOA estimation, setting the exact number of sources. A.  ... 
doi:10.1109/78.950774 fatcat:mimz5tucevapregvyfkaux5rji

Direction-of-arrival estimation in a mixture of K-distributed and Gaussian noise

Olivier Besson, Yuri Abramovich, Ben Johnson
2016 Signal Processing  
Numerical simulations indicate that the suggested iterative DoA estimation technique comes close to the introduced bound and outperform a number of existing routines.  ...  The modified Cramér-Rao bound is derived and a prediction of the actual mean-square error is presented, based on separation between external/internal-noise dominated samples.  ...  From τ | A ML , the DoA can be estimated e.g., as θ = ( ) τ τ | | ⎡ ⎣ ⎤ ⎦ A MUSIC 9 AML ML where ⎡ ⎣ ⎤ ⎦ MUSIC . stands for the conventional MUSIC algorithm (either in spectral or root form) applied to  ... 
doi:10.1016/j.sigpro.2016.05.027 fatcat:4zho2gkr4veqhadjwqisqc2itq

An Ultra-fast DOA Estimator with Circular Array Interferometer Using Lookup Table Method

Y. J. Pan, X. F. Zhang, S. Y. Xie, J. J. Huang, N. C. Yuan
2015 Radioengineering  
As an example, a field-programmable gate array (FPGA) based DOA estimator with the estimation time of 180 ns is presented, accompanied by the measured results.  ...  The time-consuming phase ambiguity resolution makes the uniform circular array (UCA) interferometer not suitable for real-time direction-of-arrival (DOA) estimation.  ...  The authors would like to thank the anonymous reviewers for the improvement of this paper.  ... 
doi:10.13164/re.2015.0850 fatcat:mbdn57djsrcrbdv4w73szzoqtq

Estimation of Interference Arrival Direction Based on a Novel Space-Time Conversion MUSIC Algorithm for GNSS Receivers

Hao Wang, Qing Chang, Yong Xu, Xianxu Li
2019 Sensors  
In the estimation of the direction of arrival (DOA) for interference signals, the direction-finding error of the multiple signal classification (MUSIC) algorithm will increase in the case of multiple interferences  ...  In this paper, a space-time conversion MUSIC (STC-MUSIC) algorithm is proposed, and the concept of a focusing parameter is introduced to improve the performance of the DOA estimation.  ...  Acknowledgments: The author would like to thank the editor and anonymous reviewers for their thoughtful comments and suggestions. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s19112570 fatcat:dmmyqlrdrfc57ot7rikm4l5ygi
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