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Iterative Frequency-Domain Packet Combining Techniques for UWB Systems with Strong Interference Levels

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Abstract

UWB (Ultra Wideband) systems tend to suffer strong interference from signals that occupy a significant part of the transmission band. This is an important constraint, especially when the channel remains fixed for a long period of time. In order to overcome this limitation, this paper considers UWB systems employing Single-Carrier with Frequency-Domain Equalization techniques. We propose the corresponding receiver, which also allows the soft packet combining associated to different Automatic Repeat ReQuest transmission attempts, as a measure to improve the performance through the exploitation of diversity. Our techniques are able to cope with strong interference levels as well as deep fading, even for fixed channels.

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Authors and Affiliations

  1. Instituto de Telecomunicações, Lisbon, Portugal

    Mário Marques da Silva & Rui Dinis

  2. Universidade Autónoma de Lisboa, Lisbon, Portugal

    Mário Marques da Silva

  3. Escola Naval/CINAV, Lisbon, Portugal

    Mário Marques da Silva

  4. DEE-FCT-UNL, Caparica, Portugal

    Rui Dinis & Paulo Montezuma

  5. UNINOVA, Caparica, Portugal

    Paulo Montezuma

Authors
  1. Mário Marques da Silva
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  2. Rui Dinis
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  3. Paulo Montezuma
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Correspondence to Mário Marques da Silva.

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Marques da Silva, M., Dinis, R. & Montezuma, P. Iterative Frequency-Domain Packet Combining Techniques for UWB Systems with Strong Interference Levels. Wireless Pers Commun 70, 501–517 (2013). https://doi.org/10.1007/s11277-012-0704-5

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  • DOI: https://doi.org/10.1007/s11277-012-0704-5

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