WSN中状态轮换分组的数据收集MAC协议.pdf

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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