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时间:2020-04-30
《WSN中状态轮换分组的数据收集MAC协议.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、计算机研究与发展DOI:10.7544/issn1000—1239.2014.20130738JournalofComputerResearchandDevelopment51(6):1167-1175,2O14WSN中状态轮换分组的数据收集MAC协议李哲涛王志强朱更明李仁发(湘潭大学信息工程学院湖南湘潭411105)(国防科学技术大学计算机学院长沙410073)。(智能计算与信息处理教育部重点实验室(湘潭大学)湖南湘潭411105)(湖南科技大学计算机科学与工程学院湖南湘潭411201)(湖南大学信息科学与工程学院长
2、沙410082)(gengmingzhu@gmail.corn)ADataGatheringMACProtocolBasedonStateTranslationandGroupingforWSNLiZhetao’,WangZhiqiang,ZhuGengming,andLiRenfa(CollegeofInformationEngineering,XiangtanUniversity,Xiangtan,Hunan411105)(CollegeofComputer,NationalUniversityofDeferise
3、Technology,Changsha410073)。(KeyLaboratoryofIntelligentComputing&InrmationProcessing(XiangtanUniversity),MinistryofEducation,Xiangtan,Hunan411105)(SchoolofComputerScience&Engineering,HunanUniversityofScienceandTechnology,Xiangtan,Hunan411201)(SchoolofInformationS
4、cience&Engineering,HunanUniversity,Changsha410082)AbstractInordertodecreasethedeliverylatency,increasethethroughputandlowerthetrafficloads。thispaperpresentsMDMAC(multi—divideddeliverMAC),anewsynchronousMACprotoco1withlowdelivery1atencyand1owtraffic1oads.MDI)_MAC
5、minimizescollisionsandoverhearingbydividingdatatransmissioncycleintotwotimeslots,i.e.datasendingslotanddatareceivingslot.Toachievelowlatencyandenergy—efficiency,MDD-MACintroducesanefficientgroupdelivermechanismbycombiningthetopologyinformationofnetwork.Weevaluat
6、eMDD-MAConOMNet++andcompareitwithDW—MACandTMAC,twopreviousenergy—efficientMACprotocols,underthescenariosofcrossnetwork,randomnetworksandgridnetworks.Inallexperiments.MDD—MACsignificantlyoutperformsthoseotherprotocols.Forexample,onscenariosofcrossnetworkwith43nod
7、es.thedeliverylatencyandmaximumbufferloadforMDI)-MACis67.59and89.169/61essthanthatofDW—MAC,and72.49and89.801essthanthatofTMACrespectively.Specially,theaveragecollisiontimesforDW—MACandTMACis8and34respectivelywhi1etheMDD—MACjsa1mostzero.Keywordslowdeliverylatency
8、;statetranslationandgrouping;datagathering;MACprotocol;wirelesssensornetwork摘要为了减少数据传递延迟,增加网络吞吐量和减少网络负载,提出一种状态轮换分组的MDD-MAC(multi—divideddeliverMAC)协议.将数据的发送和接收分开进行以减少
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