DOA Estimation: Unknown, Subband Correlated Sources
DOA Estimation with Sparse Array Under Unknown Mutual Coupling
... DOA Estimation with Sparse Array under Unknown Mutual Coupling Sheng Liu, Jing Zhao * , and Zhengguo Xiao Abstract—In this paper, we propose a direction-of-arrival (DOA) estimation ...
7
Modified DOA Estimation Methods with Unknown Source Number Based on Projection Pretransformation
... modified DOA estimation with unknown source number methods shows not only higher resolution in the snapshot deficient and lower SNR scenario, but also more robustness against array ...
17
A Fast DOA Estimation Algorithm for Uniform Circular Arrays in the Presence of Unknown Mutual Coupling
... 6. CONCLUSION In this paper, we propose a fast DOA estimation algorithm for UCAs in the unknown mutual coupling. Based on the beamspace transformation and RARE, the azimuth estimates can be obtained ...
15
Noncircular PARAFAC for 2D DOA estimation of noncircular signals in arbitrarily spaced acoustic vector sensor array subjected to unknown locations
... (DOA) estimation of noncircular signals for acoustic vector-sensor ...angle estimation performance via utilizing the noncircularity of the signals, and it can be suitable for arbitrary array ...
10
A Novel DOA Estimation Approach for Unknown Coherent Source Groups with Coherent Signals
... Also, a new normalized RMSE performance metric was suggested which showed the performance of each algorithm more accurately. To evaluate the performance of the proposed algorithm and also compare the numerical results ...
9
Localization of Narrow-Band Sources in Unknown Spatially Correlated Noise
... Array processing is used in diverse areas such as radar, sonar, communications, and seismic exploration. Usually the parameters of interest are the directions of arrival of the radiating sources. The ...
11
A Reduced Complexity Approach to IAA Beamforming for Efficient DOA Estimation of Coherent Sources
... Although a high amount of variants of the strategies mentioned above have been proposed during the last years, the problem of addressing coherent sources in an unknown scenario has not been efficiently ...
16
Robust DOA Estimation for Sources with Known Waveforms Against Doppler Shifts via Oblique Projection
... robust DOA estimation method for sources with known waveforms in the presence of unknown Doppler shifts has been ...robust DOA estimation performance against Doppler shifts in ...
8
DOA Estimation in the Uplink of Multicarrier CDMA Systems
... SAGE-based estimation In a variety of ML estimation problems the maximization of the likelihood function is analytically unfeasible as it in- volves a numerical search over a huge number of parame- ...the ...
9
MIMO-Sparse Radars for Enhanced DOA Estimation of Spatio-Temporal Correlated Sources
... Afterwards, the KR product concept can be applied to produce the difference co-array. Due to the sparse ruler features, the difference co-array generates all marks from −L to +L. That is, the final virtual array is a ULA ...
5
An Improved Spatial Smoothing Technique for DoA Estimation of Highly Correlated Signals
... In this paper we introduced a new technique that im- proves signals separation. We compared our new technique to the ordinary spatial smoothing algorithm. The results that were introduced in this paper prove that the new ...
6
Joint DOA, range, and polarization estimation for rectilinear sources with a COLD array
... “Parameter estimation of coexisted circular and strictly noncircular sources using diversely polarized anten- nas,” IEEE Communications Letters, ...“Near-field sources localization in partly ...
5
Integrating Different Data Sources for Estimation of Total with Unknown Population Size
... making an additive adjustment to account for unreported catch. All the proposed estimators use the self-reported catch as auxiliary data only. Liu et al. ( 2017 ) showed that these estimators will improve the ...
119
Asymmetric Joint Source Channel Coding for Correlated Sources with Blind HMM Estimation at the Receiver
... Email: ogaldos@ceit.es Received 25 October 2004; Revised 17 May 2005 We consider the case of two correlated sources, S 1 and S 2 . The correlation between them has memory, and it is modelled by a hidden ...
10
Beamforming for Direction of Arrival (DOA) Estimation A Survey
... Subspace algorithms, are a set of algorithms, wherein the orthogonality between the signal and noise subspaces is exploited[2]. These are also referred to as high resolution subspace based algorithms. The modern ...
8
DOA estimation for periodically modulated sources
... direction-of-arrival estimation for periodically modulated signals using one uniform linear array of ...the sources with periodic modulation sequences, we can form a series of linear equations relating the ...
8
Wavelet Estimation of an Unknown Function Observed with Correlated Noise
... function estimation and propose two distinct methods for estimating the correlation structure of the noise, one based in the time domain and the other based in the wavelet ...the unknown signal; we focus ...
28
A structure-aware DOA estimation method for sources with short known waveforms
... Then, to make use of the structure information, an amplitude constraint on the vector elements, consisting of the rota- tion invariance factor, is developed. However, the constraint involves a conjugate operator, which ...
9
A New Algorithm for Joint Range DOA Frequency Estimation of Near Field Sources
... joint estimation problem of ranges, DOAs, and frequencies of near-field narrowband sources and pro- poses a new computationally efficient algorithm, which employs a symmetric uniform linear array, uses ...
7
Maximum Likelihood DOA Estimation of Multiple Wideband Sources in the Presence of Nonuniform Sensor Noise
... Unlike the ML estimator under the uniform white noise assumption, no separable solution for DOA estimation seems to exist in the nonuniform noise case. We present two processing algorithms which approach ...
12