Antenna array signal processing with high-resolution by modified beamspace music algorithm
DOI:
https://doi.org/10.1109/ICATT.2007.4425243Keywords:
array signal processing, DOA estimationAbstract
This paper addresses the problem of determining the directions-of-arrival (DOA's) of narrow-band emitter signals impinging on an antenna array. A modified beamspace MUSIC algorithm for high-resolution array processing is presented. Simulation results are included to show the improved performance of proposed estimator at threshold signal-to-noise ratio.References
ZISKIND, I.; WAX, M. Maximum likelihood localization of multiple sources by alternating projection. IEEE Trans. Acoustics, Speech Signal Processing, Oct. 1988, v.36, n.10, p.1553-1560, doi: http://dx.doi.org/10.1109/29.7543.
GERSHMAN, A.B.; RINGELSTEIN, J.; BÖHME, J.F. Removing the outliers in root-MUSIC via conventional beamformer. Signal Processing, 1997, v.60, n.2, p.251-254, doi: http://dx.doi.org/10.1016/S0165-1684(97)80010-2.
GERSHMAN, A.B. Pseudo-randomly generated estimator banks: a new tool for improving the threshold performance of direction finding. IEEE Trans. Signal Processing, May 1998, v.46, n.5, p.1351-1364, doi: http://dx.doi.org/10.1109/78.668797.
GERSHMAN, A.B.; BOHME, J.F. A pseudo-noise approach to direction finding. Signal Processing, Nov. 1998, v.71, n.1, p.1-13, doi: http://dx.doi.org/10.1016/S0165-1684(98)00130-3.
OH, S.K.; UN, C.K. Improved MUSIC algorithm for high-resolution array processing. Electron. Lett., Oct. 1989, v.25, n.22, p.1523-1525, doi: http://dx.doi.org/10.1049/el:19891023.
VASYLYSHYN, V.I. High-resolution phased array signal processing via DFT beamspace TLS-ESPRIT with structure weighting. Proc. of IEEE Int. Symp. on Phased Array Systems and Technology, 14-17 Oct. 2003, Boston, Massachusetts. IEEE, 2003, p.605-610, doi: http://dx.doi.org/10.1109/PAST.2003.1257049.
WAX, M.; KAILATH, T. Detection of signals by information theoretic criteria. IEEE Trans. Acoustics, Speech Signal Processing, Apr. 1985, v.33, n.2, p.387-392, doi: http://dx.doi.org/10.1109/TASSP.1985.1164557.
CADZOW, J.A. Multiple source location - the signal subspace approach. IEEE Trans. Acoustics, Speech Signal Processing, Jul. 1990, v.38, n.7, p.1110-1125, doi: http://dx.doi.org/10.1109/29.57540.