In this paper a detailed evaluation of the performance of the architecture named “Turbo Delay Lock Loop” (TurboDLL) is presented. Such an architecture has been introduced by the authors in [1], as an innovative solution for improving the performance of satellite navigation receivers in multipath affected scenarios. The relevant innovation resides in the fact that the architecture aims at tracking each multipath component and, after a transient time, use them to wipe the multipath components off the input signal. The iterative procedure allows for a major improvement in the error induced in the code-based pseudorange measurement.
The architecture uses a preliminary estimation of the propagation channel in terms of number of not negligible reflections, and of their relative amplitude. In this paper the robustness of the TurboDLL architecture with respect to imperfect channel estimation is demonstrated.
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References
Fabio Dovis, Marco Pini, Paolo Mulassano, “Turbo DLL: an Innovative Architecture for Multipath Mitigation in GNSS Receivers”, ION GNSS 2004, Long Beach, CA (USA), 21-24 Sept., 2004.
Fabio Dovis, Marco Pini, Paolo Mulassano, “Analysis of the Multiple DLL Architecture: a Novel Solution for Reducing the Multipath Effect in GNSS Receivers”, ION GNSS 2004, Long Beach, CA (USA), 21-24 Sept., 2004.
P. Misra, P. Enge, Global Positioning System. Signals, Measurements, and Performance, Ganga-Jamuna Press, 2004.
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Dovis, F., Pini, M., Mulassano, P. (2008). Performance Assessment of the TurboDLL for Satellite Navigation Receivers. In: Re, E.D., Ruggieri, M. (eds) Satellite Communications and Navigation Systems. Signals and Communication Technology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-47524-0_20
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DOI: https://doi.org/10.1007/978-0-387-47524-0_20
Publisher Name: Springer, Boston, MA
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