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A Multi-Carrier Downlink Transmitter for Leo Satellite

  • Conference paper
Multi-Carrier Spread Spectrum 2007

Part of the book series: Lecture Notes Electrical Engineering ((LNEE,volume 1))

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Abstract

This paper discusses the performance of the Satellite Downlink Transmitter that uses a Wavelet based Filtered Multi-Tone (WFMT) modulation. The novel WFMT modulation is proposed to improve the characteristics of the OFDM multicarrier systems. In addition, it can also be used successfully in satellite communications. In this paper, we discuss the advantages of WFMT modulation such as low sensitivity to narrowband RF interference and lower Peak-to-Average Power Ratio (PAR) in comparison with OFDM. It is shown that modern GaAs Solid-State Power Amplifiers are well suitable for transmission of multicarrier signals. An effect of non-linear distortion on power added efficiency (PAE) of the RF Power Amplifier is discussed. The effect of clipping of the WFMT signal on the error performance is described. It is shown that the error correction block-codes can significantly improve PAR characteristics of the communication system. The Power Efficiency of WFMT Satellite Transmitter is significantly higher than in case of OFDM.

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References

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Author information

Authors and Affiliations

  1. Wavetone Technologies Ltd, Israel

    Roman M. Vitenberg

Authors
  1. Roman M. Vitenberg
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Editor information

Editors and Affiliations

  1. German Aerospace Center (DLR), Germany

    Simon Plass

  2. German Aerospace Center (DLR), Germany

    Armin Dammann

  3. DoCoMo Euro-Labs, Germany

    Stefan Kaiser

  4. Ericsson GmbH, Germany

    Khaled Fazel

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© 2007 Springer

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Vitenberg, R.M. (2007). A Multi-Carrier Downlink Transmitter for Leo Satellite. In: Plass, S., Dammann, A., Kaiser, S., Fazel, K. (eds) Multi-Carrier Spread Spectrum 2007. Lecture Notes Electrical Engineering, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6129-5_17

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  • DOI: https://doi.org/10.1007/978-1-4020-6129-5_17

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-6128-8

  • Online ISBN: 978-1-4020-6129-5

  • eBook Packages: EngineeringEngineering (R0)

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