Improvement of the Time Difference of Arrival (TDOA) estimation of GSM signals using wavelets
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Authors
Hippenstiel, Ralph Dieter
Haney, Timothy
Ha, Tri T.
Subjects
time difference of arrival
wavelets
noising
GSM
wavelets
noising
GSM
Advisors
Date of Issue
2000-06-30
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
The problem of localization of wireless emitters (GSM based) using time difference of arrival (TDOA) techniques is studied. The wavelet transform and denoising techniques are used to increase the accuracy of the TDOA estimate. GSM like signals are simulated using the Hewlett-Packard Advanced Designs System (HP-ADS) software. Improvement in the mean squared error (MSE) of the TDOA estimate is demonstrated. It is shown that the improvement depends on signal to noise (SNR) ratio, data length, bandwidth, and on spectral location within the frequency band of interest.
Type
Technical Report
Description
Series/Report No
Organization
Identifiers
NPS Report Number
NPS-EC-00-008
Sponsors
Prepared for: TENCAP Office, Department of the Navy
Funding
Format
Citation
Distribution Statement
Approved for public release; distribution is unlimited.