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A modified PN code tracking loop for DS/SS signal in the fast fading channel and strong interference environment

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2 Author(s)
Feng Shen ; Coll. of Autom., Harbin Eng. Univ., Harbin ; Dingjie Xu

A modified pseudonoise (PN) code tracking loop is proposed for direct-sequence spread-spectrum communications in the fast fading channel and strong interference environment. First, to formulate the problem we analyze PN code autocorrelation character in the fast fading channel and strong interference. Then the modified PN code tracking model using limited-length curve fitting algorithm is developed to improve the tracking performance. Analytical expressions of the curve fitting algorithm are derived and then confirmed by means of extensive computer simulation results. In addition, utilizing a DS/BPSK experimental system, several simulation results for PN code tracking performance are also presented in this paper. Very attractive behaviors obtained using the proposed technique are verified.

Published in:
Mechatronics and Automation, 2008. ICMA 2008. IEEE International Conference on

Date of Conference: 5-8 Aug. 2008

Page(s):
820 - 823
E-ISBN :
978-1-4244-2632-4
Print ISBN:
978-1-4244-2631-7
INSPEC Accession Number:
10502511
Conference Location :
Takamatsu
Digital Object Identifier :
10.1109/ICMA.2008.4798863
Product Type:
Conference Publications

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