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This paper addresses the problem of integrity monitoring in global navigation satellite system (GNSS) receivers. A new technique is proposed to quickly detect the presence of corrupted measurements caused by either multipath or spoofing threats. To do so, the symmetry of the correlation curve is permanently monitored, and a CUSUM-based sequential test is applied later on. Numerical results are provided...
Long Term Evolution (LTE) networks are rapidly deploying around the world, covering the needs of high data rates demanded by many applications. Still, less attention is paid on the positioning capabilities specified in the LTE standard. Thus, an experimental LTE positioning receiver is presented to assess the positioning accuracy in commercial LTE deployments. This receiver is based on a software...
This paper addresses the problem of detecting the presence of spreading signal replica in GNSS receivers, a problem that is often related to the presence of non-authentic GNSS signals. In order to carry out the detection process, a super-resolution frequency-domain technique is proposed based on the well-known Pisarenko harmonic decomposition, which allows us to circumvent many of the problems encountered...
A myriad of applications are based on the positioning and timing information provided by GNSS systems. Protecting the system against any kind of interference has been always on the focus of researchers and manufacturers. Unintentional and intentional interferences are two well known ways to mislead the results of GNSS receivers. However, it has been recently, with the mass-market production of Software...
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