A multi-technique approach for characterizing the SVN49 signal anomaly, part 1: receiver tracking and IQ constellation |
| |
Authors: | André Hauschild Oliver Montenbruck Steffen Thoelert Stefan Erker Michael Meurer Javad Ashjaee |
| |
Institution: | (1) DLR/GSOC, Wessling, Germany;(2) DLR/IKN, Wessling, Germany;(3) JAVAD GNSS, Moscow, Russia; |
| |
Abstract: | A characterization of the signal anomaly of SVN49 is presented. A mathematical model is developed to relate the observed multipath
to the internal signal reflection. The analyses provided are based on measurements, which have been collected during a dedicated
tracking campaign with a 30-m dish antenna. Data on the L1 and L2 frequency have been collected with four different receivers.
In addition, IQ samples have been recorded directly with a spectrum analyzer. The multipath combination of the receiver measurements
on L1 and L2 is analyzed to demonstrate the effect of the signal reflections on different correlator spacing. The capability
to suppress the signal reflection with receiver multipath mitigation methods is demonstrated. Finally, preliminary estimates
of the attenuation, delay, and phase shift over elevation are obtained from an IQ sample analysis. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|