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In this paper a simple algorithm for the estimation of the Direct Path (DP) Time of Arrival (TOA) in an OFDM-based telecommunications system is proposed. It is shown that, under certain conditions, it is possible to infer the TOA of the direct path by estimating the phase slope across the subcarriers. The proposed algorithm exploits the intrinsic properties of a multi-carrier OFDM system to perform...
A highly accurate and highly reliable navigation solution is essential for many applications like autonomous driving, augmented reality, or Unmanned Aerial Vehicles (UAVs). The key technology for all these applications is the Global Navigation Satellite System (GNSS), because it allows real-time positioning with global coverage and good long-term stability. To achieve a highly accurate solution at...
This paper presents details about the theoretical background as well as implementation of a GNSS interference monitoring system that can be used to continually monitor the GNSS frequency bands and thus alert users depending on the reliability of GNSS measurements. As shown in the results section, events of intentional GNSS interference are successfully detected and the system can also be used to classify...
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