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Decision Feedback Postprocessor for Zero-Crossing Digital FM Demodulator

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Authors
Lee, Kwang Bok; Hou, Weiguang; Kwon, Hyuck M.
Issue Date
1999-11
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
IEEE Transactions on Vehicular Technology, vol. 48, pp. 1954-1958
Keywords
GMSKnarrow-band digital FMwireless communicationszero-crossing demodulationzero-IF
Abstract
A baseband digital narrow-band FM receiver,
called zero-intermediate frequency zero-crossing demodulator
(ZIFZCD), has been recently developed. This demodulator may
offer low complexity and simple implementation. However,
the bit error rate (BER) performance of the ZIFZCD is
inferior to that of the limiter-discriminator-integrate-and-dump
(LDI) demodulator. In this paper, a simple decision feedback
postprocessor (DFP) is proposed to improve the performance
of the ZIFZCD. Analysis and simulation BER results of the
ZIFZCD with the DFP are presented for minimum-shift keying
(MSK) and Gaussian MSK (GMSK) signals under additive white
Gaussian noise (AWGN) and mobile fading environments.
ISSN
0018–9545
Language
English
URI
https://hdl.handle.net/10371/62854
DOI
https://doi.org/10.1109/25.806788
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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