Compensating frequency drift in DPSK systems via baseband signal processing

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A new baseband signal processing method for compensating frequency shift in DPSK systems is introduced. This method consists of a signal processor for initial aquisition of frequency shift and a simple adaptive equalizer for tracking. The former is based on the observation that the eSfect of frequency shift can be eliminated by using boundary values of the received baseband signal between symbol periods. The latter is a single tap equalizer employing least mean square (LMS) adaptation algorithm. Computer simulation results demonstrate that the proposed frequency shift compensation technique outperforms existing methods and works well for a wide range of frequency shifts.
Description
전기및전자공학과
Issue Date
1996-10-21
Language
English
Keywords

DPSK; adaptive equalizer; least mean square (LMS)

Citation

Proceedings of the 1996 15th Annual Military Communications Conference, MILCOM 96. Part 3 (of 3) v.3 no. pp.1059 - 1063

ISBN
0-7803-3682-8
DOI
10.1109/MILCOM.1996.571444
URI
http://hdl.handle.net/10203/13411
Appears in Collection
EE-Conference Papers(학술회의논문)
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