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BER Performance Improvement for Optimal FTN Signals with Increased Signal Constellation Size

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Internet of Things, Smart Spaces, and Next Generation Networks and Systems (NEW2AN 2019, ruSMART 2019)

Part of the book series: Lecture Notes in Computer Science ((LNCCN,volume 11660))

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Abstract

Using signals with pulse amplitude modulation (PAM) provides a higher transmission rate in the same frequency bandwidth. However, decreasing frequency bandwidth in order to improve spectral efficiency causes degradation of bit error rate (BER) performance. To minimize energy losses faster than Nyquist (FTN) signaling on the basis of RRC pulses or optimal pulses may be applied. In this work, the possibility of improving BER performance of coherent bit-by-bit detection for optimal FTN signals with increased size of PAM signal constellation is considered. The optimization problem is solved according to the specified size of signal constellation (M). Comparison between RRC pulses and obtained optimal pulses in time and frequency domain is made. It is shown that signals with PAM based on obtained optimal pulses provide an energy gain up to 7 dB regarding signals with RRC pulses for M = 64 at error probability 10−4.

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Acknowledgement

The results of the work were obtained under the State contract № 8.2880.2017/ПЧ with Ministry of Education and Science of the Russian Federation and used computational resources of Peter the Great Saint-Petersburg Polytechnic University Supercomputing Center (http://www.scc.spbstu.ru).

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Authors and Affiliations

  1. Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia

    Anna S. Ovsyannikova, Sergey V. Zavjalov & Sergey B. Makarov

Authors
  1. Anna S. Ovsyannikova
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  2. Sergey V. Zavjalov
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  3. Sergey B. Makarov
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Corresponding author

Correspondence to Anna S. Ovsyannikova .

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Editors and Affiliations

  1. Tampere University, Tampere, Finland

    Olga Galinina

  2. Tampere University, Tampere, Finland

    Sergey Andreev

  3. FRUCT Oy, Helsinki, Finland

    Sergey Balandin

  4. Tampere University, Tampere, Finland

    Yevgeni Koucheryavy

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Ovsyannikova, A.S., Zavjalov, S.V., Makarov, S.B. (2019). BER Performance Improvement for Optimal FTN Signals with Increased Signal Constellation Size. In: Galinina, O., Andreev, S., Balandin, S., Koucheryavy, Y. (eds) Internet of Things, Smart Spaces, and Next Generation Networks and Systems. NEW2AN ruSMART 2019 2019. Lecture Notes in Computer Science(), vol 11660. Springer, Cham. https://doi.org/10.1007/978-3-030-30859-9_57

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  • DOI: https://doi.org/10.1007/978-3-030-30859-9_57

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-30858-2

  • Online ISBN: 978-3-030-30859-9

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