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Differential Detection Techniques for Spectrally Efficient FQPSK Signals

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Advances in Computer Science, Environment, Ecoinformatics, and Education (CSEE 2011)

Abstract

A new class of differential detection techniques for standardized Feher patented quadrature phase-shift keying (FQPSK) systems is proposed and studied by computer aided design/simulations. It is shown that significant BER performance improvements can be obtained by increasing the received signal’s observation time over multi-symbol as well as by adopting trellis-demodulation. While the FQPSK transmitted signal is not trellis coded, its trellis coded interpretation leads to trellis demodulation. For example, our simulation results show that a BER=10-4 can be obtained for an Eb/N0=14.1 dB.

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References

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Park, H.C. (2011). Differential Detection Techniques for Spectrally Efficient FQPSK Signals. In: Lin, S., Huang, X. (eds) Advances in Computer Science, Environment, Ecoinformatics, and Education. CSEE 2011. Communications in Computer and Information Science, vol 215. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23324-1_26

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  • DOI: https://doi.org/10.1007/978-3-642-23324-1_26

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-23323-4

  • Online ISBN: 978-3-642-23324-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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