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1、IEEEJOURNALONSELECTEDAREASINCOMMUNICATIONS,VOL.17,NO.8,AUGUST19991333MinimumEnergyMobileWirelessNetworksVolkanRodoplu,StudentMember,IEEE,andTeresaH.Meng,Fellow,IEEEAbstractDWedescribeadistributedposition-basednetworksuchasincellularphonesystems,minimumenergynetworkprotocolopti
2、mizedforminimumenergyconsumptioninmobiledesigncanallowlongerbatterylifeandmitigateinterference.wirelessnetworksthatsupportpeer-to-peercommunications.Inthispaper,wepresentaposition-basedalgorithmtosetGivenanynumberofrandomlydeployednodesoveranarea,upandmaintainaminimumenergynet
3、workbetweenusersweillustratethatasimplelocaloptimizationschemeexecutedateachnodeguaranteesstrongconnectivityoftheentirenetworkthatarerandomlydeployedoveranareaandareallowedtoandattainstheglobalminimumenergysolutionforstationarymovewithrandomvelocities.Wedenotethesemobileusersb
4、ynetworks.Duetoitslocalizednature,thisprotocolprovestobeanodesooverthetwo-dimensionalplane.Ournetworkprotocolself-recon?guringandstaysclosetotheminimumenergysolutionrecon?guresthelinksdynamicallyasnodesmovearound,andwhenappliedtomobilenetworks.Simulationresultsareusedtoverifyt
5、heperformanceoftheprotocol.itsoperationdoesnotdependonthenumberofnodesinthesystem.IndexTermsDDistributedalgorithms,energymanagement,Eachmobilenodeisassumedtohaveaportablesetwithgraphtheory,mobilecommunication,networkfaulttolerance,networks,packetradio,portableradiocommunicatio
6、n,powertransmission,reception,andprocessingcapabilities.Inaddi-measurement,protocols,radiorepeaters.tion,eachhasalow-powerglobalpositioningsystem(GPS)receiveronboard,whichprovidespositioninformationwithinatleast5mofaccuracy[12].Therecentlow-powerimple-I.INTRODUCTIONmentationof
7、aGPSreceiver[17]makesitspresenceaviableHISpaperdescribesadistributednetworkprotocolopti-optioninminimumenergynetworkdesign.TmizedforachievingtheminimumenergyforrandomlyTherehavebeenonlyafewworksinthisareasofar,deployedadhocnetworks.Thenetworkprotocolnotonlymostnotablytheworkby
8、ScottandBambos.Intheirrecentmaintainsagloballyconnectednetwor
