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Spread spectrum satellite multiple access and overlay service
This thesis presents two applications of spread spectrum technology to very small
aperture terminal (VSAT) satellite communication networks. It describes two spread
spectrum multiple access systems which use a form of noncoherent M-ary FSK (MFSK)
as the primary modulation and analyzes their throughput. The analysis considers such
factors as satellite power constraints and adjacent satellite interference. It considers the
effect of onâ board processing on the multiple access efficiency and investigates the feasibility
of overlaying low data rate spread spectrum signals on existing satellite traffic
as a form of frequency reuse.