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自动化学报 2006
基于跨层强化思想的传感网络多跳路由协议实验性研究, PP. 875-880 Keywords: ensornetworks,routing,cross-layerdesign Abstract: ?Lossylinkisoneoftheuniquecharacteristicsinrandom-deployedsensornetworks.Weenvisionthatrobustnessandreliabilityofroutingcannotbeensuredpurelyinnetworklayer.Ourideaistoenhancetheperformanceofroutingprotocolbycross-layerinteraction.Wemodifiedmintprotocol,aroutingprotocolinTinyOSandproposedanenhancedversionofmintcalledPA-mint.AtransmissionpowercontrolinterfaceisaddedtonetworklayerinPA-mint.Whenroutingperformanceofthecurrentnetworkisnotsatisfied,PA-mintmonotonicallyincreasesthetransmissionpowerviatheinterfaceweadded.PA-mintisabletoconnectorphannodesandrobusttonodemobilityorkeynodesfailure.Inthecasethatautomaticrequestretransmissionisemployed,thenumberofretransmissionscanbereducedbyPA-mint.ResultsfromexperimentsshowthatPA-mintincreasesthereliabilityandrobustnessofroutingprotocolbycross-layerinteraction.
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