無線Mesh網(wǎng)絡(luò)多信道MAC協(xié)議和路由協(xié)議研究.pdf

1、J』!lIrflli![1llfrl[r11]i11]JJ[1lllrl／llllllflfll[IY1438228分類號：——UDC：——工學(xué)碩士學(xué)位論文密級：——編號：——無線Mesh網(wǎng)絡(luò)多信道MAC協(xié)議和路由協(xié)議研究碩士研究生：指導(dǎo)教師：學(xué)位級別：學(xué)科、專業(yè)：所在單位：論文提交日期：論文答辯日期：學(xué)位授予單位：楊飛趙蘊(yùn)龍副教授工學(xué)碩士計(jì)算機(jī)應(yīng)用技術(shù)計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院2009年1月2009年3月哈爾濱工程大學(xué)哈爾濱I：稃人學(xué)碩十學(xué)

2、何論文AbstractInrecentyears，researchesonWMNhavebeenverypopulararoundthewordAmongthem，multi—channeltechnologyisakeyfactorinfluencingperformanceoptimizationofWMN，SOtheresearchesaboutmultichanneltechnologyhavebecomeoneofthehot

3、spotsinwirelessmeshnetworkMultichannelMACprotocolsandmulti—channelroutingprotocolsaretwoimportantaspectsintheresearchofmultichanneltechnologyMulti—channelMACprotocolsfocusontheallocationandmanagementofmulti—channelresour

4、ces，whilemultichannelroutingprotocolsfocusonhowtolookforthepathofchanneldiversificationandhighthroughputFirstlybasedontheanalysisoftheexistingMACprotocolsofWMN，amultichannelMACprotocolwithtwointerfacebasedontheIEEE80211s

5、tandardhardwareisproposed，whichisnamedDIMprotoc01ThegreatestfeatureofDIMprotocolisthatitcanmakefulluseofchannelresourcesprovidedbythe80211standardinthelowerhardwareconfigurationTheDIMprotocoldividestwointerfacesofnodeint

6、ofixedinterfaceandswitchableinterface，thefixedinterfacemodulateschannelstaticallywhile，Accordingtothesituationofcommunication，theswitchableinterfaceapplieschannelswitchtomodulatechanneldynamicallyBybuildingamodelofchanne

7、lconflict，theDIMprotocolimplementschannelselectionalgorithmtoselectchannelforthefixedinterfaceThroughtheestablishmentofchannelqueuesandchannelswitchprinciples，theDIMprotocolimplementseffectivemanagementtotheswitchableint

8、erfaceSecondlybasedontheanalysisoftheexistingroutingprotocolsofWMN，anewmulti—channelroutingprotocolnamedMCRprotocolisalsoputforwardTheMCRprotocolisonthebasisofDSRprotocolwhichisusedintheAdHocnetwork，anewroutingcriterionc