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Bangkok Thailand
Jan. 28, 2013 to Jan. 30, 2013
ISBN: 978-1-4673-5740-1
pp: 66-70
Ill-Keun Rhee , Dept. of Electron. Eng., Hannam Univ. Daejeon, Daejeon, South Korea
Hee-Soo Kim , Dept. of Electron. Eng., Hannam Univ. Daejeon, Daejeon, South Korea
ABSTRACT
This paper presents a high resolution direction-of-arrival (DOA) algorithm which can effectively estimate highly correlated multiple signals in the presence of correlated antenna array noises at the receiver. The proposed algorithm in this paper is obtained by combining the forward/backward spatial smoothing algorithm that is an improved spatial smoothing scheme with the second-order technique which is known as an effective DOA algorithm to resolve very closely spaced multiple signals in the presence of correlated antenna noises. Analysis has been made in several aspects to compare the performance between the spatial smoothing, the spatially smoothed second-order, and the proposed algorithms in DOA estimation. Computer simulations are statistically performed to show the usefulness of the analysis.
INDEX TERMS
Estimation, Direction-of-arrival estimation, Signal processing algorithms, Noise, Signal resolution, Antennas, Arrays,forward/backward spatally smoothed second-order algorithm, DOA, spatial smoothing algorithm, second-order algorithm, spatially smoothed second-order algorithm
CITATION
Ill-Keun Rhee, Hee-Soo Kim, "Improved DOA estimation of correlated signals in correlated antenna noises environment", ICOIN, 2013, The International Conference on Information Networking 2014 (ICOIN2014), The International Conference on Information Networking 2014 (ICOIN2014) 2013, pp. 66-70, doi:10.1109/ICOIN.2013.6496353
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