A Localization Algorithm Using a Mobile Anchor Node Based on Region Determination in Underwater Wireless Sensor Networks

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摘要 Atpresent,mostunderwaterpositioningalgorithmsimprovethepositioningaccuracybyincreasingthenumberofanchornodeswhichresultingintheincreasingenergyconsumption.Tosolvethisproblem,thepaperproposesalocalizationalgorithmassistedbymobileanchornodeandbasedonregiondetermination(LMRD),whichnotonlyimprovesthepositioningaccuracyofnodespositioningbutalsoreducestheenergyconsumption.Thisalgorithmisdividedintotwostages:regiondeterminationstageandlocationpositioningstage.Intheregiondeterminationstage,thetargetregionisdividedintoseveralsub-regionsbytheregiondivisionstrategywiththesmallestoverlapratewhichcanreducethenumberofvirtualanchornodesandlockthetargetnodetoasub-region,andthenthroughtheplanningofmobilenodestooptimizethetravelpath,reducethemovingdistance,andreducesystemenergyconsumption.Inthelocationpositioningstage,thetargetnodelocationcanbecalculatedusingtheHILBERTpathplanningandtrilateration.Thesimulationresultsshowthattheproposedalgorithmcanimprovethepositioningaccuracywhentheenergyconsumptionisreduced.
机构地区 不详
出版日期 2019年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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