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TDOA Estimation Algorithm Based on Generalized Cyclic Correntropy in Impulsive Noise and Cochannel Interference
Xing CHEN Tianshuang QIU Cheng LIU Jitong MA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2018/10/01
Online ISSN: 1745-1337
Type of Manuscript: PAPER
Category: Digital Signal Processing
alpha-stable distribution, impulsive noise, cyclic correntropy, TDOA, cochannel interference,
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This paper mainly discusses the time-difference-of-arrival (TDOA) estimation problem of digital modulation signal under impulsive noise and cochannel interference environment. Since the conventional TDOA estimation algorithms based on the second-order cyclic statistics degenerate severely in impulsive noise and the TDOA estimation algorithms based on correntropy are out of work in cochannel interference, a novel signal-selective algorithm based on the generalized cyclic correntropy is proposed, which can suppress both impulsive noise and cochannel interference. Theoretical derivation and simulation results demonstrate the effectiveness and robustness of the proposed algorithm.