M. Petit

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Publications (2)0 Total impact

  • Conference Proceeding: Noise Reduction for SC/FDE Systems by Pre- and Post Processing
    H. Witschnig, M. Petit, A. Springer, M. Huemer
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    ABSTRACT: Noise represents a major performance limiting factor for wireless communication systems. Pre-and post processing of the transmitted information enables to reduce the influence of noise significantly, leading to a severe performance gain. We apply the derivation of an optimal pre-and post processing to a single carrier system with frequency domain equalization (SC/FDE). Comparisons between the standard SC/FDE system with a zero-forcing equalizer and the enhanced system show a performance gain of up to 8 dB at a bit error rate of 10<sup>-5</sup>.
    Wireless Technologies, 2007 European Conference on; 11/2007
  • Conference Proceeding: The advantages of a unique word for synchronisation and channel estimation in a SC/FDE system
    H. Witschnig, T. Mayer, M. Petit, H. Hutzelmann, A. Springer, R. Weigel
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    ABSTRACT: We investigate advantageous data structures of a single carrier system with frequency domain equalization (SC/FDE) for channel estimation and synchronisation. The concept of the SC/FDE system is based on a cyclic prefix - comparable to OFDM (orthogonal frequency division multiplexing). Three equivalent data structures for the SC/FDE system are given, based either on the well known cyclic prefix or on the use of a known symbol sequence - a so-called unique word (UW). We elaborate on the advantages that result for channel estimation and synchronisation.
    Personal Mobile Communications Conference, 2003. 5th European (Conf. Publ. No. 492); 05/2003
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