基于保護(hù)低能量節(jié)點(diǎn)的節(jié)能機(jī)制研究.pdf

1、浙江大學(xué)碩士學(xué)位論文基于保護(hù)低能量節(jié)點(diǎn)的節(jié)能機(jī)制研究姓名：王強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：吳春明20070526浙江大學(xué)碩士學(xué)位論文Ab盤raetAbstractMobfieAdHocNetworkisanetworkwithoutstaticinfrastructureandenergylimitedbatterieshostinmostnodesinthenetworkThereforehowtosavepowe

2、randincreaselongevityofthenetworkisacrucialissueIndustrialcircleshavebeentryingtousepowersavingmechanismstoincreasethelongevityofthebatteriesAtfirstinthispapersometypicalpowersavingmechanismsinAdHoewirelessnetworkalein仃o

3、duced，classifiedandcomparedThen，an州mechanismisproposedbasedonAODVprotocol，whieliclassifiestheremainingpowerofthenodesintothreelevels，namednormallevel，warninglevelanddangerouslevelNodesundernormallevelwillforwardthepacket

4、withoutdelay；NodesundernonnormallevelwilldelaytheRouteRequestPacket(RReQ)forwardingaccordingtothedelaymodelNodesunderwarninglevelwilldropthenonRREQpacketswithalowprobabilityandnodcsunderdangerouslevelwilldropthenonRREQpa

5、cketswithahighprobabilityTeflecttherealconditionofAdHoenetworkmorefairlyandpreciselythepaperforwardadynamicpowersavingmechanismbasedonAODVprotocolwhichgivesattentiontothepowerconditionofneighbornodesofcurrentnodeThcpurpo

6、sesofthesemechanismsaretoprotectthenodeswhichhavelowremainingenergyimprovetheefficiencyofpowerandincreasethelongevityofthenetworknlcmechanismissimulatedonNS2。Thesimulati011resultsshowthatthemechanismworkswellandachieveag