DOA Estimation: Unknown, Subband Uncorrelated 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
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
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
Maximum Likelihood DOA Estimation of Multiple Wideband Sources in the Presence of Nonuniform Sensor Noise
... the DOA esti- mators derived from either the uniform white noise assump- tion or the general colored noise modeling techniques may not give satisfactory results in this nonuniform uncorrelated noise ...
12
Thinned coprime arrays for DOA estimation
... 25 uncorrelated sources evenly spaced between −60 ◦ and 60 ◦ with ǫ = 130 chosen empirically for a clear and fine DOA ...25 sources completely and suffers from false peaks and higher ...
6
DOA estimation for far field sources in mixed signals with mutual coupling and gain phase error array
... of uncorrelated FS; it can be observed that the four peaks correspond the actual DOA, and ...the estimation accuracy versus signal-to-noise ra- tio (SNR) when number of snapshots B is 25, then ...
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
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
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
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
Effective joint DOA DOD estimation for the coexistence of uncorrelated and coherent signals in massive multi input multi output array systems
... i.e., DOA and direction of depar- ture (DOD), because the transmitting array and receiving array locate ...angle estimation with respect to tar- get localization will be dramatically improved due to its ...
14
Single snapshot DOA estimation
... the DOA estimator has to be as good as ...covering DOA algorithms using a huge amount of antennas, samples per antenna or a high SNR, respec- tively (Ottersten et ...which DOA algorithm to choose in ...
6
Integrating Different Data Sources for Estimation of Total with Unknown Population Size
... for estimation of population ...new sources of data be used as part of the fish catch estimation process called MRIP (Marine Recreational Information ...in estimation is to think of it as part ...
119