In this thesis,a two-state Land Mobile Satellite channel model is implemented and integrated to a NCS(Navigation Constellation Simulation)RF simulator to realize the function to simulate a land mobile satellite channe...
详细信息
In this thesis,a two-state Land Mobile Satellite channel model is implemented and integrated to a NCS(Navigation Constellation Simulation)RF simulator to realize the function to simulate a land mobile satellite channel for a moving receiver or receivers in the *** the introduction to GNSS simulation is given,following a short review on the Land Mobile Satellite channel model.A detailed description on the Two-state LMS and its parameter databases are presented *** developed model is based on the ESA MiLADY LMS model,however,some modifications are made and the model is rearranged to adapt it to the real simulation situation in a NCS RF *** implementation and integration,the result analysis are taken in both GSPF and NCS,showing the simulation result is realistic and the statistical results are with the expected *** results for systems:GPS,Galileo,GLONASS and BeiDou each for environment types:Urban,Suburban,Open and Forest are presented in the ***,the model still has its limitations,discussion on this is presented in the end of the thesis.
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