Wideband DOA Estimation Using a Frequency-Domain Frequency-Invariant Beamformer and a Matrix Pencil Method

Jinhwan KOH  Weiwei ZHOU  Taekon KIM  

Publication
IEICE TRANSACTIONS on Communications   Vol.E91-B   No.4   pp.1235-1238
Publication Date: 2008/04/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.4.1235
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
Keyword: 
wideband DOA estimation,  FDFIB,  matrix pencil method,  

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Summary: 
We describe an extension of the wideband direction-of-arrival (DOA) estimation method using a frequency-domain frequency-invariant beamformer (FDFIB). The technique uses the Matrix Pencil Method (MPM) instead of conventional methods based on the eigen-structure of the input covariance matrix. MPM offers excellent resolution compared to conventional methods.