CONTENTS

Policy on Intellectual Property Right (IPR)
Annex 1
1 Introduction
2 Propagation loss
2.1 Attenuation due to atmospheric gases
2.2 Attenuation by precipitation and clouds
2.2.1 Prediction of attenuation statistics for an average year
2.2.2 Seasonal variations worst month
2.2.3 Variability in space and time of statistics
2.2.4 Site diversity
2.2.5 Characteristics of precipitation events
2.3 Clear-air effects
2.3.1 Decrease in antenna gain due to wave-front incoherence
2.3.2 Beam spreading loss
2.4 Scintillation and multipath fading
2.4.1 Calculation of monthly and long-term statistics of amplitude scintillations at elevation angles greater than 5
2.4.2 Calculation of the deep fading part of the scintillation/multipath fading distribution of elevation angles less than 5
2.4.3 Calculation of the shallow fading part of the scintillation/multipath fading distribution at elevation angles less than 5
2.5 Estimation of total attenuation due to multiple sources of simultaneously occurring atmospheric attenuation
2.6 Attenuation by sand and dust storms
3 Noise temperature
4 Cross-polarization effects
4.1 Calculation of long-term statistics of hydrometeor-induced cross-polarization
4.2 Joint statistics of XPD and attenuation
4.3 Long-term frequency and polarization scaling of statistics of hydrometeor-induced cross‑polarization
4.4 Data relevant to cross-polarization cancellation
5 Propagation delays
6 Bandwidth limitations
7 Angle of arrival
8 Calculation of long-term statistics for non-GSO paths