In this paper, an algorithm for accurate distance estimation of a vehicle to a road side unit (RSU) in urban multipath environments is presented. The algorithm is based on spatial filtering using a uniform circular array (UCA) antenna and a cross correlation based time delay detection. The time base for the cross correlation is built using Global Navigation Satellite System (GNSS) based positioning. Furthermore, an algorithm for non- line-of-sight (NLOS) detection based on a fingerprinting technique is presented to identify shadowing situations. For evaluation purposes, a simulation for a vehicle following a straightway maneuver within an urban orthogonal traffic intersection scenario is carried out. The B1 line- of-sight (LOS) specified in WINNER II is used for multipath channel modeling. Simulation results show that the obtained distance estimation accuracy of a vehicle is better than 50cm within a radius of 500m around the traffic intersection origin and the proposed NLOS detection algorithm exhibits a 0% false alarm probability (FAP) within this range.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Highly Accurate Distance Estimation Using Spatial Filtering and GNSS in Urban Environments


    Beteiligte:
    El Assaad, Ahmad (Autor:in) / Krug, Markus (Autor:in) / Fischer, Georg (Autor:in)


    Erscheinungsdatum :

    01.09.2016


    Format / Umfang :

    292167 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Experiences Using Pseudolites to Augment GNSS in Urban Environments

    Altmayer, C. / Institute of Navigation; Satellite Division | British Library Conference Proceedings | 1998


    Accurate Positioning in GNSS-Challenged Environments with Consumer-Grade Sensors

    Niesen, Urs / Jose, Jubin / Wu, Xinzhou | British Library Conference Proceedings | 2018


    GNSS receiver acquisition-time requirements in urban environments

    Van den Hemel, M. / Hart, B. T. / Kruis, J. S. et al. | British Library Conference Proceedings | 1993