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Sawtooth-correlated TOA estimation algorithm based on energy envelope for IR-UWB systems

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4 Author(s)
Zhibo Wang ; Dept. of Inf. & Commun., Guilin Univ. of Electron. Technol., Guilin, China ; Xiaojian Liu ; Lin Zheng ; Hongbin Qiu

The received signal is composed of a variety of different multipath delayed signals due to the complexity of indoor communications environment. In order to improve accuracy of TOA estimation of first path, a novel TOA estimation algorithm for IR-UWB systems is presented. In this paper, we consider the sawtooth waveform as a local template signal correlate to the received signal to detect the leading-edge path signal, closed-form expressions are derived for TOA estimation. Also, the effect of local template signal's length is analyzed. Performances of different algorithms are compared via simulations.

Published in:
Intelligent Computing and Integrated Systems (ICISS), 2010 International Conference on

Date of Conference: 22-24 Oct. 2010

Page(s):
934 - 937
Print ISBN:
978-1-4244-6834-8
INSPEC Accession Number:
11678867
Conference Location :
Guilin
Digital Object Identifier :
10.1109/ICISS.2010.5657027
Product Type:
Conference Publications

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