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1、word格式文档摘要作为无线传感器网络(WSNWirelessSensorNetworks)的一项新型技术,ZigBee技术具有低功耗、低速率、低延时、低成本等特性,具有强大的组网能力和超大的网络容量,可以广泛应用在消费电子产品、家居与楼宇自动化、工业控制、医疗设备等领域。由于其独有的特性,ZigBee无线技术也是无线传感器网络的首先技术,具有广阔的发展前景。ZigBee协议标准采用开放系统接口(0SI)分层结构,其中物理层和媒体接入层由IEEE802.15.4工作小组制定,而网络层,安全层和应用框架层由ZigBee联盟制定。本文根据IEEE802.15.4标准规范与ZigBee标准规范
2、,简单扼要地阐述了ZigBee协议栈的协议栈架构,重点讲解了ZigBee网络层树路由和网状网路由。然后讲解了NS2网络仿真软件的工作原理,详细介绍了仿真环境的搭建和仿真分析的过程。通过对CLUSTER-TREE路由算法和AODVjr路由算法在不同发包间隔下的平均延时、丢包率和控制包数量模拟,获得仿真结果。关键字:NS2,ZigBee,CLUSTER-TREE,AODVjr专业整理word格式文档AbstractAsaWSN(WirelessSensornetwork),anewtechnology,ZigBeetechnologywithlowpowerconsumption,lowsp
3、eed,lowlatency,lowcostfeatures,isapowerfulnetworkingcapabilitiesandlargenetworkcapacity,andcanbewidelyusedinconsumerelectronics,homeandbuildingautomation,industrialcontrol,medicalequipmentandotherfields.Becauseofitsuniqueproperties,ZigBeewirelesstechnologyisthefirsttechnologyofwirelesssensornetwo
4、rk,hasabroaddevelopmentprospects.ZigBeeprotocolstandardusingopensysteminterface(OSI)hierarchicalstructure,includingthephysicallayerandthemediaaccesslayershallbeformulatedbytheIEEE802.15.4workinggroup,andthenetworklayer,securityandapplicationframeworklayershallbeformulatedbytheZigBeealliance.Inthi
5、spaper,basedonIEEE802.15.4standardspecificationandZigBeestandards,brieflyexpoundsthesimpleZigBeeprotocolstackprotocolstackarchitecture,focusingontheZigBeenetworklayerroutingandmeshnetworksbythetree.ThenexplainedtheworkingprincipleofNS2networksimulationsoftware,introducesindetailtheprocessofthecon
6、structionofthesimulationenvironmentandsimulationanalysis.RoutingalgorithmbasedonCLUSTER-TREEandAODVjrroutingalgorithmunderdifferentcontractawardingintervalaveragedelay,packetlossrateandthecontrolpacketnumbersimulation,thesimulationresults.KEYWORDS:NS2,ZigBee,CLUSTER-TREE,AODVjr专业整理word格式文档目录摘要IAb
7、stractII目录III1绪论11.1背景介绍11.2课程设计环境和工作内容12ZigBee技术及仿真软件介绍32.1ZigBee技术概述32.2ZigBee协议栈架构32.3ZigBee网络层路由协议52.3.1ZigBee支持的网络拓扑52.3.2ZigBee网络编址方式62.3.3ZigBee网络路由算法介绍62.4NS2网络仿真软件介绍72.4.1NS2软件概述72.4.2trace文件格式介绍83仿真环境搭建过程103.