Toward the improved use of the geostationary satellite orbit through better system performance

This paper examines the system performance of a satellite network and how the choice of some system parameters could improve the efficient use of the geostationary satellite orbit. A number of recent events make it imperative to ensure that a maximum number of satellite networks will be accommodated; of particular note is the scheduling of 84/85 Space WARC. Intelsat IVA and V system parameters are used to illustrate the effect of carrier parameters on the efficient use of the orbit. Several additional means of improving orbit/spectrum efficiency are examined. The paper points out the need for developing adequate CCIR recommendations in these areas, which can then be used as the basis for new ITU Radio Regulations.