ADoublelayeredSatelliteConstellationNetworkRoutingAlgorithmBasedonEquallengthIntervalSnapshots

doi:10.3780/j.issn.1000-758X.2015.03.003

Chinese Space Science and Technology ›› 2015, Vol. 35 ›› Issue (3): 17-.doi: 10.3780/j.issn.1000-758X.2015.03.003

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ADoublelayeredSatelliteConstellationNetworkRoutingAlgorithmBasedonEquallengthIntervalSnapshots

ZHANGJingbin,LIUJiong,SHENPubing

（1Xi′ancommunicationsInstitute,Xi′an710106）（2ArmyUnit73132,Zhangzhou363111)

Received:2014-11-28 Revised:2015-02-27 Published:2015-06-25 Online:2015-06-25

Abstract

Abstract: Forthesatelliteconstellationnetwork,changesinrealtimeofnetworktopologyandfrequentlyhandoverofISLhavebadimpactsontheroutingperformance.Basedonthebackboneandaccessionstheoryandtheweakconnectiontheory,anewdoublelayeredsatelliteconstellationnetworkstructurewasproposed,whichcanhelptheadministrationforeachlayer.Moreover,anewroutingalgorithm,namedEDRA,wasproposed.Theroutingalgorithmimprovesthemethodofequallengthintervalsnapshotsbyadjustingthepolarboundarydynamicallyandadoptingthenewideaoflayeredmanagement.Theanalysisandsimulationsshowthatthenewsatelliteconstellationnetworkstructureismoresensible,thenumberofsnapshotsoftheEDRAalgorithmisonlythehalfoftheVLRAalgorithm,andtheaveragedurationofsnapshotsismorethanthreetimesoftheVLRAalgorithm.TheEDRAalgorithmcanreducethenumberofcalculationandupdatingoftherouting,improvetheutilizationofnetworkISL,reducethedelayjitterandpacketlossrate.

Key words: GEO/LEOdoublelayeredsatelliteconstellationnetwork;, Equallengthintervalsnapshots, Onboarddistributedroutingalgorithm, Dynamicallyadjustthepolarboundary, Simulation

ZHANGJingbin,LIUJiong,SHENPubing. ADoublelayeredSatelliteConstellationNetworkRoutingAlgorithmBasedonEquallengthIntervalSnapshots[J]. Chinese Space Science and Technology, 2015, 35(3): 17-.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2015.03.003

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ADoublelayeredSatelliteConstellationNetworkRoutingAlgorithmBasedonEquallengthIntervalSnapshots

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