无线传感器网络实时传输技术的研究与实现

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1、分类号婴3塑UDC工学硕士学位论文学号Q4Q§2塑2密级叠孟无线传感器网络实时传输技术的研究与实现硕士生姓名童洪亮学科领域计算机科学与技术研究方向计算机系统结构指导教师毛羽刚副教授国防科学技术大学研究生院二oo六年十一月国防科学技术大学研究生院工学硕士学位论文ABSTRACTWirelessSensorNetworks(WSN)ismloutcome喇ththedeepeningdevelopmentofthemodemIntemetandisconsideredoneofthemostimportanttechnologiesinthe21stcentury．Combi

2、ningthelogicinformationwiththephysicalworld，wirelesssensornetworkscancollectandprocessreal-limeenvironmentalinformation,andforwardtherevaltstoi乜Ilsel暑．Therefore，itcanbeusedinreal-timeapphcafionswidely，suchasmilitarydefense,nationalsecurity,environmentalmonitoring，trafficmanagement,medical

3、system,manufacturing,combatingterrorismere．Tosatisfythereal-timerequirementofwirelesssensornetworks，weresearchonthereal-timearchitectureandreal-timetransmissionprotoc01．n塘majorcontributionsofthispaperareasfollowings：1)Wedesignedaseriesof∞rp豇im即瞳sinviewofthereal-timecharacteristicofwireles

4、ssensornetworks，andanalysisthemainfactorsthataffectreal-timeperformanceofwirelesssensornetworks．2、Real-timemutingprotocolSPEEDisimplementedandimprovedbasedonM／caznodehardwareplatformandTinyOSl．1．11sol}twareplafform．Experimentalresultsprovedthatthereal-timeperformanceofthenetworkhasbeenimp

5、roved．31Wedeignedandimplementedamonitoringapplicationbasedonperceptionofmulti-semor．Itindicatesthatwirelesssensornetworksareapplication-oriented．41Weproposedane_vvreal-timecommunicationarchitectureofwirelessseBsornetworksbasedOnthepathmodelandtestprovesitisfeasible．Itcanfllrtherreducethet

6、ransmissiontimeofdatapacketsandthepossibilityofcongestion．Thusitcanimprovethereal-tilneperformanceofwirelesssensornetworks．Keywords：wirelesssensornetworks，real-time。MAClayer．routinglayer第ii页国防科学技术大学研究生院工学硕士学位论文表目录表4-lSPEED数据包结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯36表4．2邻居表结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．3

7、7表4-3信标包结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。38表4-4信标队列结构⋯．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯39表5-1传感器板介绍⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．44表5-2MrS300CA的普通数据包格式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．46表5．3MrS300cA的音频数据包格式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．46表5-4MTS400CA的数据包格式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．46第Ⅳ页国防科学技术大学研究生院工学硕士学位论文图目录