NDLI: Study of carrier tracking for high dynamic M-ary spread spectrum signals

Content Provider	IEEE Xplore Digital Library
Author	Liechao Huang Tianqi Zhang Juan Bai Fangqing Tan
Copyright Year	2011
Description	Author affiliation: Chongqing Key Laboratory of Signal and Information Processing, Chongqing University of Posts and Telecommunications, China, 40065 (Liechao Huang; Tianqi Zhang; Juan Bai; Fangqing Tan)
Abstract	High dynamic condition will cause Doppler shift acutely, then digital carrier loop may fail to track signal and wrong demodulation may occur, For the problem of carrier acquisition and tracking of high-dynamic M-ary spread spectrum signals, utilizing the characteristics that the dynamics of the signal can be removed by FLL, and the phase can be tracked precisely by PLL. In this paper, the implementation of the structure adopts the algorithms of cross-product auto frequency tracking (CPAFC) and Four-Quadrant Frequency Discriminator and the digital Costas loop to achieve carrier tracking. Theory analysis and simulation results show that this method can realize the carrier tracking quickly and precisely under high dynamic circumstance.
Starting Page	261
Ending Page	265
File Size	280150
Page Count	5
File Format	PDF
ISBN	9781424493043
e-ISBN	9781424493067
DOI	10.1109/CISP.2011.6099996
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency locked loops Tracking loops carrier tracking CPAFC Bandwidth M-ary spread spectrum Costas Frequency estimation Doppler effect high dynamic Phase locked loops Frequency control
Content Type	Text
Resource Type	Article

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