基于CC2420的無線傳感器網(wǎng)絡節(jié)能策略研究.pdf

1、分類號密級UDC論文(題名和副題名)(作者姓名)指導教師姓名王曉斌副教授日日圈圈之大學成者者(職務、職稱、學位、單位名稱及地址)申請學位級別碩士專業(yè)名稱軟件工程論文提交日期2008.3論文答辯日期2008.5學位授予單位和日期電子科技大學答辯委員會主席評閱人、。孚年各月!獷日注1:注明《國際十進分類法UDC》的類號ABSTRACTABS丁RAC丁Wirelesssenswks(WSN)aremadeuPofmanymicrosensno

2、deswhichhavetheabilityofeommunicationandeomPuting.Theyareautonomynetwksystem，aretheinielligeneesystemwhieheanfinishsPecialtasksaeeordingtothedl月飛rentenvironment.ComParedwiththetraditionalnetworks，WSNhavethecharacteristie

3、s，suehaslarge一sealenetworks，randomarangement，multi一hoPcornrnunieation，selfganizingandworkingineoordinationwitheachother，whiehmakeithaveabrightfutureinmilitary，inindustry)inaPPlianee，inenvironxnentinmanyotherfields.Howeve

4、r，WSNbringirn們neasurablebenefitsfhumansoeiety，whilebringuPsomenewchallenges，suchasresoureesrestrietion，s叩erseale，highlyd”amie.EnergyProblem15thebiggestchallengeswhichWSNeomeuPagainst.ThePower15restriettothemini一sizeofWSN

5、，whiehlimitsthenetworks’lifetime.Theyean，tberePlaeedtheehargebeeauseofthatthemountofnodesarehugethePlaeesarenoteasyteach.ComParedwiththeexistingwirelessnetworks，WSNexisttheseriousProblemcalledenergyrestrietion.50，thechie

6、fdesignobjectsaretousethesensnode，5energyeffeetivel又andtoProlongthenetworks’lifetime.OurPaPeraddresstheresearehbaekgroundofWSN，aPPlieationvalue，the斌ofstatesathomeandabroadflrstly，introdueetheWSN’5architecture，char堿eristi

7、esandtheIEEE802.15.4ProtocolitcomPlied，analyzetheRFmoduleCC2420ehiPhowtoaPPlytoourWSN，studytheemPiriealalgorithmsthatarerelatetosensornetworks’energysaving，thenwePutfwardtoanewWSN’Powersavingidea.rrllroughdoingeontrolwit

8、htranrmissionPowerinWSN，theideamakeseveryefforttealizeoPtimizetheWSN’5lifetime，andtoenhaneetheeommunicationqualitybetweennodes.OurPaper’5innovationsareeominguPwithanewPowersavingideahavingsomeirmovationwhenimPlementingit