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Modulation Diversity for Wireless Communications: Impact of Channel Estimation Errors and Doppler Effects on System Performance

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Communications, Information and Network Security

Abstract

The performance of wireless communications systems can be significantly improved using the modulation diversity technique which is, basically, based on the combination of a suitable choice of the reference angle of an MPSK constellation with independent interleaving of the symbol components. This technique presents good performance assuming the absence of estimation errors for channels characterized by flat fading. In this article, the performance of this recent technique is analyzed taking into account the effects of channel estimation errors. It is shown, by simulation, that the efficiency of this technique is maintained even under this assumption. Additionally, the impact of the Doppler effect on the system performance is treated and a trade-off between the interleaving depth and the error probability is achieved.

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Lopes, W.T.A., Alencar, M.S., Galdino, J.F. (2003). Modulation Diversity for Wireless Communications: Impact of Channel Estimation Errors and Doppler Effects on System Performance. In: Bhargava, V.K., Poor, H.V., Tarokh, V., Yoon, S. (eds) Communications, Information and Network Security. The Springer International Series in Engineering and Computer Science, vol 712. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-3789-9_1

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  • DOI: https://doi.org/10.1007/978-1-4757-3789-9_1

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4419-5318-6

  • Online ISBN: 978-1-4757-3789-9

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