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Communication Dans Un Congrès Année : 2016

Reduced multipath channel modelling preserving representative GNSS receiver testing

Résumé

The increasing need for accuracy in GNSS positioning applications requires a thin knowledge of the impact of the urban propagation channel on the receiver’s tracking loops. Therefore, new receivers’ performance assessment requires the study of their behavior in a multipath environment. In that context, propagation channel synthesizers have to be able to provide multipath parameters that are representative of a real environment. Then, the receiver can be put to test by using these multipaths parameters to quantify its resulting positioning error. In order to simulate a realistic environment, the channel synthesizer usually generates a high number of multipaths. This characteristic can prevent an optimal receiver performance evaluation, especially when using a hardware channel emulator, whose multipath production capacity does not normally exceed 10 units per satellite (even if the total number of channels can reach 36 or 72 in the most powerful emulator). Therefore, this study aims at elaborating reduction methods of the channel impulse response and comparing their capacity to preserve the receiver’s positioning error induced by the multipath channel, in order to advocate the use of one of these methods to answer the multipath channel reduction problem.
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Dates et versions

hal-01404404 , version 1 (28-11-2016)

Identifiants

Citer

F. Ribaud, M. Ait-Ighil, S. Rougerie, J. Lemorton, Olivier Julien, et al.. Reduced multipath channel modelling preserving representative GNSS receiver testing. ION GNSS 2016, 29th International Technical Meeting of the Satellite Division of the Institute of Navigation, 5 ., Sep 2016, PORTLAND, United States. ⟨10.33012/2016.14800⟩. ⟨hal-01404404⟩
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