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The paper presents experimental validations of a new approach of GNSS indoor positioning. Combining the best of pseudolites [1] and repeaters [2], the new “repealite” technique allows carrier phase measurements (in order to improve positioning accuracy and multipath mitigation) and self synchronised transmissions. Thus, this method greatly simplifies the still required infrastructure and provides...
The field of indoor navigation has been of outstanding importance during the last few years. The low signal strength in an indoor scenario necessitates either to provide additional information to the receiver (f.ex. using GSM or WLAN) or to implement quite sophisticated algorithms which are complex or time-consuming. The task of this paper is to examine the impact of the local oscillator used within...
We describe a hybridized receiver architecture tightly coupled with different sensors, namely MEMS accelerometers and gyroscopes, Wi-Fi engine and a barometer, allowing significant increase of positioning performance for indoor GNSS signal reception. This is possible due to the increase of integration times, use of higher sensitivity GNSS receivers and by resorting to external aiding sensors tightly...
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