Error detection and correction for a multiple frequency quaternary phase shift keyed signal.

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Author
Hopkins, Kevin S.
Date
1989-06Advisor
Bukofzer, Daniel C.
Moose, Paul H.
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Show full item recordAbstract
A multiple frequency quaternary phased shift keyed (MFQPSK) signaling system
has been developed and experimentally tested in a controlled environment. In order to
insure that the quality of the received signal is such that information recovery is possible,
error detection; correction (EDC) must be used. This thesis reviews various EDC coding
schemes available and analyzes their application to the MFQPSK signal system.
Hamming. Golay, Bose-Chaudhuri-Hocquenghem (BCH), Reed-Solomon (R-S) block
codes as well as convolutional codes are presented and analyzed in the context of specific
MFQPSK system parameters. A computer program was developed in order to compute
bit error probabilities as a function of signal-to-noise ratio. Results demonstrate that
various EDC schemes are suitable for the MFQPSK signal structure, and that significant
performance improvements are possible with the use of certain error correction codes.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.Collections
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