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Adaptive routing for packet-oriented intersatellite link networks: performance in various traffic scenarios

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4 Author(s)
Mohorcic, M. ; Dept. of Digital Commun. & Networks, Inst. Jozef Stefan, Ljubljana, Slovenia ; Werner, M. ; Svigelj, A. ; Kandus, G.

Regular mesh topologies typical for satellite communication networks comprised of intersatellite links provide high network flexibility and reliability, but due to dynamic changing of traffic load and interorbit link distance variation, adaptive routing is an absolute requirement for optimizing the network utilization. In this article, we address adaptive routing in the intersatellite link (ISL) segment of nongeostationary packet-switched satellite communication systems, focusing on the relative impacts of traffic load and propagation delay on the link cost. We consider four reference traffic flow scenarios with different levels of traffic concentration. he network performance is evaluated in terms of routing performance measures important from both the end user and the network operator perspectives. Using an ISL network simulator, we reveal some intrinsic effects of the selected constellation and effects introduced with different assumptions regarding the traffic model.

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Wireless Communications, IEEE Transactions on  (Volume:1 ,  Issue: 4 )