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Environment/Versions PosApp SimGEN Software User Manual reference to "Proposed Models and Methods for Verification Testing of A-GPS Mobile Phones in the Laboratory: Technical Paper first published at ION GPS 2002, Portland Oregon", with respect to Land Mobile Multipath testing Answer The SimGEN user manual, section 21.16 Land mobile multipath, states: "The Land mobile multipath (LMM) model simulates the effects of multipath signals on a mobile phone incorporating GNSS positioning - see reference ff) for more details." To access the reference paper at "reference ff)", click here Spirent utilise the parameters in the look-up tables given in the first 2 references of that document, namely: Jahn, Axel (2001). Propagation Considerations and Fading Countermeasures for Mobile Multimedia Services. (May, International Journal of Satellite Communications, Vol 19, pp 223-250) Ma, Changlin (2001), G. Jee, G. MacGougan, G. Lachapelle, S. Bloebaum, G. Cox, L. Garin, and J. Shewfelt. GPS Signal Degradation Modelling. Proceedings of the Institute of Navigation ION GPS2001 (September 11-14, Salt Lake City, UT )