DOA Estimation Using Iterative MUSIC Algorithm for CDMA Signals

Ann-Chen CHANG  Jui-Chung HUNG  

Publication
IEICE TRANSACTIONS on Communications   Vol.E92-B   No.10   pp.3267-3269
Publication Date: 2009/10/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.3267
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
direction-of-arrival estimation,  code-division multiple access,  multiple access interference,  multiple signal classification,  

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Summary: 
In conjunction with a first-order Taylor series approximation of the spatial scanning vector, this letter presents an iterative multiple signal classification (MUSIC) direction-of-arrival (DOA) estimation for code-division multiple access signals. This approach leads to a simple one-dimensional optimization problem to find each iterative optimal search grid. It can not only accurately estimate DOA, but also speed up the estimating process. Computer results demonstrate the effectiveness of the proposed algorithm.