P. Moungnoul and T.T. Hung (Thailand)
ISMA, ALOHA, LEO.
In this paper presented and evaluated the packet satellite channel performance of the modified Inhibit Sense Multiple Access (ISMA) Protocol in a Low Earth Orbit (LEO) satellite system. Results show that the effect of propagation delay on the throughput performance of the uplink in the satellite systems can be reduced by using the timing advance for the idle signal in ISMA protocol. It is also proved that the throughput of modified ISMA protocol can be substantially better than that is on the ALOHA protocol.
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