F. Worth, L. Dong, C. Ma, and G. Lachapelle, Implementation and Verification of a Software-Based IF GPS Signal Simulator, ION GNSS 19th International Technical Meeting of the Satellite Division Proceedings of the US Institute of Navigation NTM, pp.26-29, 2004.

O. Julien, Design of Galileo L1F Receiver Tracking Loops available at the following address http://www.geomatics.ucalgary.ca/links/GradTheses Temporal Characteristics of GPS Error Sources and Their Impact on Relative Positioning, UCGE Report UCGE Report, 2003.