CONTENTS

1 Introduction
1.1 Objectives and scope
1.2 Summary of RR Article 9 Advance publication and coordination procedures
1.3 Importance of satellite system development stage
1.4 Link inhomogeneities in mobile-satellite systems
2 Coordination parameters
2.1 Criteria for permissible and accepted interference
2.2 Transponder frequency and polarization plan
2.3 Carrier frequency plans
2.4 Satellite antenna coverage and service areas
2.5 Earth station antenna discrimination
2.6 Earth station power control
2.7 Transponder gains and satellite e.i.r.p.
2.8 Satellite positions
2.9 Operational schedule
3 Coordination methodology
3.1 Assumptions
3.2 The coordination process
3.3 Identification of significant interactions
3.3.1 Feeder link versus service link
3.3.2 Forward versus return service link
3.4 Adjustment of technical and operational parameters
3.4.1 Non-co-coverage case
3.4.2 Co-coverage case
4 Impact of technological evolution on future coordinations
5 Conclusions