Error detection and correction for a multiple frequency quaternary phase shift keyed signal.
errordetectionco00hopk.pdf (3.278Mb)Abstract
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.
Rights
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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