TOA estimation based on higher-order cumulant

Abstract

A novel method of TOA estimation of multi-path signals based on higher-order cumulant is presented in this paper. Firstly, the received signals pass through the match-filter, then the frequency domain de-convolution are used to covert the time delay estimation problem to an estimation of frequencies of complex sinusoids. Then the Gaussian noises are refrained effectively and TOA of multi-path signals are estimated by the use of the higher-order cumulant. Finally, simulation demonstrates that this approach can effectively estimate the TOA.