CONTENTS

 1     Introduction
 2     Tropospheric effects
        2.1     Attenuation
        2.2     Scintillation
 3     Ionospheric effects
 4     Shadowing
        4.1     Roadside tree-shadowing model
                  4.1.1     Calculation of fading due to shadowing by roadside trees
                  4.1.2     Fade duration distribution model
                  4.1.3     Non-fade duration distribution model
        4.2     Roadside building-shadowing model
        4.3     Special consideration of hand-held terminals (user blockage)
 5     Multipath models for clear line-of-sight conditions
        5.1     Multipath in a mountain environment
        5.2     Multipath in a roadside tree environment
 6     Statistical model for mixed propagation conditions
 7     Satellite diversity
        7.1     Uncorrelated case
        7.2     Correlated case
                  7.2.1     Quantification of the shadowing cross-correlation coefficient in urban areas
                  7.2.2     Availability calculations