Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/70003
Title: DOA estimation in the presence of unknown mutual coupling and multipath propagation in a frequency hopping system
Authors: Bao, Q.
Ko, C.C. 
Zhi, W. 
Keywords: Alternating Minimization Algorithm
DOA Estimation
Frequency Hopping
Maximum Likelihood Estimator
Multipath
Mutual Coupling
Issue Date: 2004
Source: Bao, Q.,Ko, C.C.,Zhi, W. (2004). DOA estimation in the presence of unknown mutual coupling and multipath propagation in a frequency hopping system. IEEE International Conference on Communications 5 : 2502-2506. ScholarBank@NUS Repository.
Abstract: In this paper, we propose a new method for DOA estimation in the presence of multipath propagation and Mutual Coupling (MC) for a Frequency Hopping (FH) system. We take MC and multipath propagation into account, and derive a Maximum Likelihood (ML) estimator for both MC matrix and DOA estimation. We then formulate an iterative Alternating Minimization (AM) algorithm for finding the MC and DOA parameters in an alternate manner. Simulation results illustrating the performance of the algorithm and comparison with the Cramer-Rao bound (CRB) are also presented.
Source Title: IEEE International Conference on Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/70003
ISSN: 05361486
Appears in Collections:Staff Publications

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