›› 2016, Vol. 36 ›› Issue (3): 1-14.doi: 10.16708/j.cnki.1000-758X.2016.0034

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MobilitymanagementinLEOsatellitecommunicationnetworks

HE  Da-Jian, YOU  Peng*, YONG  Shao-Wei   

  1. InstituteofElectronicScienceandEngineering,NationalUniversityofDefenseTechnology,Changsha410073,China
  • Received:2015-12-10 Revised:2016-01-14 Online:2016-06-25 Published:2016-05-11

Abstract: Inrecentyears,lowEarthorbit(LEO)satellitecommunicationnetworksattractalotofresearchers'attentionforitsglobalcoverage,shortpropagationdelay,low-powerlinksandgreatinvulnerabilityperformance,etc.Itwillbeanimportantpartofthefutureglobalmobilecommunicationsystems.MobilitymanagementisakeytechnologyforenablingserviceinLEOsatellitecommunicationnetworks.Thecharacteristics,researchstatusandproblemsofmobilitymanagementwereanalyzed.Firstly,abriefclassificationofmobilitymanagementofLEOsatellitecommunicationsnetworkswasprovidedandcharacteristicsdistinguishedfromterrestrialmobilitywirelessnetworkswereanalyzedbasedonthearchitectureandfeaturesofLEOsatellitecommunicationnetworks.Thenthestate-of-the-artmobilitymanagementschemesinLEOsatellitecommunicationnetworksweresummarizedfromlinklayer,networklayerandtransportlayer.AdetaileddescriptionoftheapplicationofMIPv6andSIGMAinLEOsatelliteenvironmentwasgiven.Finally,sometrendsofmobilitymanagementofLEOsatellitecommunicationsnetworkswaspointedout.

Key words: satellitenetwork, lowearthorbit(LEO)satellite, mobilitymanagement, mobileIP(MIP, SeamlessIP-diversitybasedGeneralizedMobilityArchitecture(SIGMA)