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Combined Spatial/Beamforming And Time/Frequency Processing For Blind Source Separation
2005
Zenodo
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Publication in the conference proceedings of EUSIPCO, Antalya, Turkey, 2005 ...
In this new method, for the frequencies where the direction of arrival can be estimated accurately, direction of arrival approach is used to align the frequency permutation, for other frequencies, interfrequency ...
In [14] , a new robust and precise method for solving frequency permutation in frequency domain convolutive BSS is proposed by integrating direction of arrival approach and interfrequency correlation ...
doi:10.5281/zenodo.39013
fatcat:jmjkyssffvazjadmqoz74s7aaq
Covariance-Based Direction-of-Arrival Estimation of Wideband Coherent Chirp Signals via Sparse Representation
2013
Sensors
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This paper addresses the problem of direction-of-arrival (DOA) estimation of multiple wideband coherent chirp signals, and a new method is proposed. ...
Moreover, the a priori information of signal number is no longer a necessity for DOA estimation in the new method. ...
Acknowledgments This work was supported by the program for New Century Excellent Talents in University (NCET).
Conflicts of Interest The authors declare no conflict of interest. ...
doi:10.3390/s130911490
pmid:23995096
pmcid:PMC3821291
fatcat:jmvljjvu4jcxdfzehtn3djqlyi
Applications of cumulants to array processing. Part VI. Polarization and direction of arrival estimation with minimally constrained arrays
1999
IEEE Transactions on Signal Processing
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A fourth-order statistics-based method is presented for joint estimation of polarization and direction of arrival parameters of as many as M M M 01 narrowband signals with an M M M-element array having ...
The method is computationally efficient and offers considerable savings in hardware over a recently published second-order statisticsbased method. ...
white Gaussian noise that is independent of the signals with SNR = 10 dB. Our method was used to estimate the direction of arrival () and polarization parameters (, ) of the signals. ...
doi:10.1109/78.782216
fatcat:4yttd7ien5aqdlhzul6satdjm4
Using least squares to improve blind signal copy performance
1994
IEEE Signal Processing Letters
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Conventional methods for signal copy require one to estimate the directions of arrival (DOA's) of the signals prior to computing the weight vectors. ...
Blind copy algorithms alleviate the need for DOA estimation (and hence the need for array calibration data) by exploiting the temporal rather than spatial structure of the signals, but they converge slowly ...
of arrival (DOA's) of the signals and the array geometry or response. ...
doi:10.1109/97.294385
fatcat:wkomzwlmxnck3l5ebteod3wxza
Applications of Tensor Models in Wireless Communications and Mobile Computing
2020
Wireless Communications and Mobile Computing
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Liu et al. present a new algorithm to estimate the direction of arrival (DOA) and polarization parameters of signals impinging on an array with electromagnetic (EM) vector-sensors by exploiting the canonical ...
receivers by capitalizing on the multilinear structure and sparse nature of the received signal at the BS equipped with a hybrid analog-digital beamforming (HB) architecture. is paper shows the benefits ...
Liu et al. present a new algorithm to estimate the direction of arrival (DOA) and polarization parameters of signals impinging on an array with electromagnetic (EM) vector-sensors by exploiting the canonical ...
doi:10.1155/2020/7393080
fatcat:n2hweqmp7fbajnv5kd5acqf5ke
Direction of Arrival Using Uniform Circular Array based on 2-D MUSIC Algorithm
2018
Indonesian Journal of Electrical Engineering and Computer Science
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The antenna is designed at the frequency of 2.45 GHz; the dielectric substrate used is FR4_epoxy which has a dielectric permittivity of 4.4.this patch antenna is used to estimate the direction of arrival ...
(DOA) using 2-D Multiple Signal Classification (2-D MUSIC) the case of the proposed uniform circular arrays (UCA). ...
Unlike conventional methods, subspace methods exploit the information of the received data resulting in high resolution. ...
doi:10.11591/ijeecs.v12.i1.pp30-37
fatcat:54gmm7ezbzgbbharty2sv7aose
Linear Prediction Modeling For Signal Selective Doa Estimation Based On Higher-Order Statistics
1998
Zenodo
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Publication in the conference proceedings of EUSIPCO, Rhodes, Greece, 1998 ...
was generalized by using forth-order cyclic cumulants for one lag τ, to estimate the direction of arrivals (DOAs) of cyclostationary signals. ...
The proposed method can reduce the computational load and completely exploit CHOS temporal information multiple lags τ through the use of the LP model. ...
doi:10.5281/zenodo.36683
fatcat:xrcdl3zxwbhjzaghgjdck63vzq
Spectrum Sensing based on Direction of Arrival Estimation
2014
International Journal of Computer Applications
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Many methods have been implemented and new methods are coming up to estimate the Direction of Arrival of a signal. ...
There are several spectrum sensing techniques but the idea of the Direction of Arrival of the signal when the signal is sensed is equally important. ...
It's been realized that an angle dimension is created as a new spectrum opportunity and not only that signals need to be detected but also direction of arrival of the primary user is estimated. ...
doi:10.5120/18233-9209
fatcat:5qc65ypeovg6ng4bd32zv4ce4y
Antenna Array Signal Direction of Arrival Estimation on Digital Signal Processor (DSP)
2015
Procedia Computer Science
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Antenna arrays are used in many digital signal processing applications due to their ability to locate signal sources. Direction of Arrival (DOA) estimation is a key task of array signal processing. ...
Then, the parallel DOA estimation algorithm is implemented on one core of DSP C6678 which is the latest version up to now. Experiments are conducted on both 1-D and 2-D antenna array signals. ...
Acknowledgements This project is partially supported by grants from Natural Science Foundation of China #61202321/706210 01/70921061. ...
doi:10.1016/j.procs.2015.07.158
fatcat:wvmkymi7uzdndfp7cy52ogiamm
Improved the Efficiency of Generalized Sidelobe Canceller Algorithm by using Speech Presence Probability
2020
VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE
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The author proposed a speech enhancement generalized sidelobe canceller based on an estimation of speech presence probability. ...
Main ideal of the algorithm is accuracy estimation of auto and cross power spectral densities of main and reference signal, which used in process of filtering. ...
To overcome this disadvantage; multi-microphone [1] [2] [3] has the ability of exploiting the spatial information: direction of arrival (DOA), a priori information of coherence noise field, coherence ...
doi:10.35940/ijitee.c8797.019320
fatcat:xotpyzjsdrf6fb452xknzwp2aq
Adaptive Resolution Angle Of Arrival Estimation
2005
Zenodo
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Publication in the conference proceedings of EUSIPCO, Antalya, Turkey, 2005 ...
In this paper, we consider the direction of arrival (DOA) estimation problem, the idea corresponds to integration of an adaptive structure to MP algorithms in order to provide a tradeoff between computational ...
Regardless of any constraints of being different, let k, l, and m denote the selected directions after the first stage. A new dictionary can be constructed as {D 2,k , D 2,l , D 2,m }. ...
doi:10.5281/zenodo.39292
fatcat:67ffz6krwbbkfgs5ckrn4bmqn4
Beamforming for Direction-of-Arrival (DOA) Estimation-A Survey
2013
International Journal of Computer Applications
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In this survey, a study of various beamforming techniques and algorithms to estimate the direction of arrival of a signal is made. ...
Direction-of-Arrival (DOA) estimation plays a vital role in many applications. Beamforming is the most prominent technique to estimate DOA. ...
In [47] a new hardware architecture exploiting compressive sensing (CS) for direction estimation is also used. ...
doi:10.5120/9970-4758
fatcat:43cgrjqewfe2hm5cdxlmnkf35a
Direction of arrival estimation based on information geometry
2016
2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
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In this paper, a new direction of arrival (DOA) estimation approach is devised using concepts from information geometry (IG). ...
The proposed method uses geodesic distances in the statistical manifold of probability distributions parametrized by their covariance matrix to estimate the direction of arrival of several sources. ...
In
CONCLUSIONS In this paper, a new direction of arrival estimation approach is proposed based on distance notions taken from IG. ...
doi:10.1109/icassp.2016.7472241
dblp:conf/icassp/CoutinoPL16
fatcat:vvmvfw73g5bfxg52zhx77xlxpq
A Literature Survey Different Algorithms of MUSIC and MVDR DOA Estimation
2018
Zenodo
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During this survey, a study of varied beamforming techniques and algorithms to estimate the direction of arrival of a signal is formed. ...
Direction-of-Arrival (DOA) estimation plays a significant role in several applications. Beamforming is that the most prominent technique to estimate DOA. ...
of estimating the direction-of-arrivals (DOAs) of multiple sources mistreatment the signals received at the sensors the applying of the array process needs either the data of a reference signal or the ...
doi:10.5281/zenodo.3361960
fatcat:a2ejtjduozdpvpeup7xmstnl6e
Time-frequency analysis of multipath doppler signatures of maneuvering targets
2012
2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
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In this paper, we introduce a new timefrequency analysis technique based on the local phase information to accurately extract complex Doppler signature of each signal arrival. ...
Target Doppler information corresponding to direct and non-direct paths is important for moving target localizations and classifications, particularly when narrowband signals are involved. ...
In this paper, we introduce a new timefrequency analysis technique based on the local phase information to accurately extract complex Doppler signature of each signal arrival. ...
doi:10.1109/icassp.2012.6288645
dblp:conf/icassp/IoanaZAAH12
fatcat:7ye6je6utbc5bmxko26rscq3km
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