Fast communication: Joint time-delay and frequency estimation using parallel factor analysis

Authors:
Yuntao Wu;H. C. So;Yunsong Tan
Affiliations:
School of Computer Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, China;Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong;School of Computer Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, China
Venue:
Signal Processing
Year:
2009

Citing 1
Cited 1

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Abstract

In this paper, the problem of joint time-delay and frequency estimation of multiple sinusoidal signals received at two separated sensors is addressed. By formulating the estimation problem with the use of the parallel factor analysis framework, the corresponding state transition and observation matrices are updated in an iterative manner according to alternating least squares, from which the time-delay and frequencies are then estimated. Computer simulations are included to demonstrate the effectiveness of the proposed algorithm.