zigbee无线传感器网络在田间数据采集中的应用分析

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1、AbstractAstheadvancedofthetechnologyofwirelesscommunicationandmicro—chipmanufacturingandothertechnological，WSNresearchhadmuchprogressinmanyareas．ThepopularizationofIEEE802．11WirelessLANandIEEE802．16WirelessBroadbandNetwork，allmakethewirelessnetworktechnologyhadachive

2、dtherapiddevelopment，slovingtheproblemiskeytochooseaProtocolstandards．bycurrentthewirelessnetworkbasedonIEEE802．15．4protocoltechnologybecomethefocusofthestudy．ZigBeetechnologyisanewshort·range，lowrate，simple,energysaving,low-speed，lowconsumptionofwirelessnetworktechn

3、ology．Itiscombinedwimcommunicationtechnologyandcomputertechnology，andhasacollectionofinformationtransmissionandprocessingcapabilities．ZigBeetechnologyCanautomaticallynetworkbetweeninthestructureofstar,treeandmesh．ItiSwidelyusedinnationalsecurity,environmentalmonitori

4、ng,trafficmanagement,logistics，warehousemanagement，medicalcare,awiderangeofareassuchassmarthome．ZigBeehavegoodmarketprospectswellasmanychallengingproblemstoberesolved．SuchproblemsincludetheZig,Beeprotocolstackimplementation,networkorganizationmodesetting,energy-savin

5、gmechanismprotocoloflayersandSOon．Thispaperfocusesonwirelesssensornodesandnetworkingprotocolstackandaccordingthestackimplementamulti—pointstarwirelesssensornetworkplatform．111eresearchesareincluded：1．Detailedintroducethe．ZigBeewirelesssensornetworktechnologyconcepts，

6、architecture,applications，andfocusedZigBeeprotocolstacktopresentitspreliminaryimplementation．一2．AccordingtofeaturesofZigBeetechnologyprqsentsatypicaldesignofwirelessmonitoringsystemtothefield，givesthesolutionsaboutthesystemhardwareandsoftware，andestablishedthetempera

7、turesensormodel丽ⅡlCC2430withATmega128．3．ProposedenergysensingalgorithmbasedonAODVjrroutingprotocoltoreducenetworkpowerconsumptionasmuch嬲possible．ExperimentalresultsshowthatthesimplifiedtheZigBeeprotocolstackhavesomereferencevalueandpracticalsignificanceinwirelesssens

8、ornetworkapplications．Inthefinalsunlupthethesisandproposedfutureresearchdirections．Keywords：Wirelesssensornetwork；ZigBee；IEEE802．15