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Adaptive robust time-of-arrival source localization algorithm based on variable step size weighted block Newton method

Title
Adaptive robust time-of-arrival source localization algorithm based on variable step size weighted block Newton method
Author
장준혁
Keywords
Block Newton method; Adaptive filter; Weighting matrix; Variable step size; Non-line-of-sight (NLOS)
Issue Date
2017-07
Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
Citation
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING, Article no. 121
Abstract
We propose a line-of-sight (LOS)/non-line-of-sight (NLOS) mixture source localization algorithms that utilize the weighted block Newton (WBN) and variable step size WBN (VSSWBN) method, in which the weighting matrix is determined in the form of the inverse of the squared error or as an exponential function with a negative exponent. The proposed WBN and VSSWBN algorithms converge in two iterations; thus, the required number of extra samples in the transient period is negligible. Also, we perform an analysis of the mean square error (MSE) of the weighted block Newton method. To verify the superiority of the proposed methods, the MSE performances are compared via extensive simulation.
URI
https://jwcn-eurasipjournals.springeropen.com/articles/10.1186/s13638-017-0909-0https://repository.hanyang.ac.kr/handle/20.500.11754/114844
ISSN
1687-1499
DOI
10.1186/s13638-017-0909-0
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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