摘要
Owingtothelongpropagationdelayandhigherrorrateofacousticchannels,itisverychallengingtoprovidereliabledatatransferforunderwatersensornetworks.Moreover,networkcodingisprovedtobeaneffectivecodingtechniqueforthroughputandrobustnessofnetworks.Inthispaper,weproposeaReliableBraidedMultipathRoutingwithNetworkCodingforunderwatersensornetworks(RBMR-NC).Disjointmulti-pathalgorithmisusedtobuildindependentactualpaths,ascalledmainpaths.Somebraidedpathsoneachmainpatharebuiltaccordingtothebraidedmulti-pathalgorithm,whicharecalledlogicpaths.Whenadatapacketistransmittedbythesenodes,thenodescanemploynetworkcodingtoencodepacketscomingfromthesamegroupinordertofurtherreducerelativityamongthesepackets,andenhancetheprobabilityofsuccessfuldecodingatthesinknode.Braidedmulti-pathcanmakethemainpathstobemultiplexedtoreducetheprobabilityoflongpaths.ThispapermainlyemployssuccessfuldeliveryratetoevaluateRBMR-NCmodelwiththeoreticalanalysisandsimulationmethods.TheresultsindicatethattheproposedRBMR-NCprotocolisvaluabletoenhancenetworkreliabilityandtoreducesystemredundancy.
出版日期
2010年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)