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Multicarrier Signals: A Natural Enabler for Cognitive Positioning Systems

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Book cover Multi-Carrier Systems & Solutions 2009

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 41))

Abstract

It is known that localization of a wireless terminal is based on time-delay estimation of a radio ranging signal. In this paper, we just tackle the issue of time delay estimation and we concentrate on the ultimate limits in the accuracy of such function. Starting from a simple frequency-domain formulation of the Cramér-Rao bound for time delay estimation, we show how a multicarrier signal can be formatted to obtain maximum estimation accuracy. Capitalizing on this, we also demonstrate that the inherent flexibility about power and frequency allocation possessed by such signal is expedient to the achievement of a cognitive localization system that adapts to the changing situation of availability and interference of a wideband radio channel

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Author information

Authors and Affiliations

  1. Dipartimento di Ingegneria dell'Informazione, University of Pisa, Via G. Caruso 16, PISA, 56122, Italy

    Marco Luise & Francesca Zanier

Authors
  1. Marco Luise
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  2. Francesca Zanier
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Editor information

Editors and Affiliations

  1. Xcitec GmbH, Einsteinring 22, Aschheim b. München, 85609, Germany

    Simon Plass

  2. Deutsches Zentrum für Luft-And Raumfahrt (DLR), Inst. Kommunikation und Navigation, Oberpfaffenhofen, Weβling, 82234, Germany

    Armin Dammann

  3. DOCOMO Communications Laboratories, Europe GmbH, Landsbergerstr. 312, München, 80687, Germany

    Stefan Kaiser

  4. Rohde & Schwarz GmbH & Co. KG Geschäftsbereich, Funkkommunikationssysteme Hemminger Str. 41, Weilimdorf, D-70499, Germany

    Khaled Fazel

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© 2009 Springer-Verlag Berlin Heidelberg

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Luise, M., Zanier, F. (2009). Multicarrier Signals: A Natural Enabler for Cognitive Positioning Systems. In: Plass, S., Dammann, A., Kaiser, S., Fazel, K. (eds) Multi-Carrier Systems & Solutions 2009. Lecture Notes in Electrical Engineering, vol 41. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2530-2_1

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  • DOI: https://doi.org/10.1007/978-90-481-2530-2_1

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-2529-6

  • Online ISBN: 978-90-481-2530-2

  • eBook Packages: EngineeringEngineering (R0)

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