ONBOARD PROCESSING FOR COMMUNICATIONS SATELLITES

Abstract

Future satellite networks may include satellites that provide multiple uplink and downlink coverage antenna beams together with signal processing subsystems. Where the number of earth terminals is large and the traffic is diffuse, efficient methods for routing signals need to be developed. This paper addresses the switching and routing processes for both long term connections (stream traffic) and short messages (burst traffic). Onboard routing appears most efficient for burst traffic where as stream traffic is best handled by means of a ground based traffic controller. An integrated control system concept is suggested together with access and multiplex formats to accommodate mixed traffic.