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International Zurich Seminar on Digital Communications

IZS 1994: Mobile Communications Advanced Systems and Components pp 310–321Cite as

Performance comparison of GMSK and π/4-DQPSK modulations in a mobile radio environment

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 783))

Abstract

This paper deals with the GMSK and π/4-DQPSK modulation schemes, which are adopted in digital mobile radio systems in Europe, America and Japan. Compared analyses have been carried out by software simulations in terms of BER (Bit Error Ratio) for the two modulation schemes with non-coherent detection by considering both an AWGN (Additive White Gaussian Noise) channel and a flat Rayleigh or Rice fading channel in presence of thermal noise. In the case of the π/4-DQPSK modulation, which presents envelope fluctuations, nonlinear effects of the power amplifier at the transmission side have been taken into account, and a data predistortion technique has been considered to reduce intersymbol interference.

Supported by Progetto Finalizzato Telecomunicazioni CNR and PROMETHEUS. The opinions expressed herein are not necessarily those of CNR.

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References

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Author information

Authors and Affiliations

  1. Centra Studi e Laboratori di Telecomunicazioni, Via Reiss Romoli, 274, I-10148, Torino, Italy

    Davide Sorbara

  2. Dipartimento di Elettronica, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129, Torino, Italy

    Monica Visintin

Authors
  1. Davide Sorbara
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  2. Monica Visintin
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Christoph G. Günther

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© 1994 Springer-Verlag Berlin Heidelberg

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Sorbara, D., Visintin, M. (1994). Performance comparison of GMSK and π/4-DQPSK modulations in a mobile radio environment. In: Günther, C.G. (eds) Mobile Communications Advanced Systems and Components. IZS 1994. Lecture Notes in Computer Science, vol 783. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-57856-0_29

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  • DOI: https://doi.org/10.1007/3-540-57856-0_29

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-57856-7

  • Online ISBN: 978-3-540-48359-5

  • eBook Packages: Springer Book Archive

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