異構(gòu)多接口多信道無(wú)線(xiàn)Mesh網(wǎng)絡(luò)關(guān)鍵技術(shù)研究.pdf

1、中南大學(xué)碩士學(xué)位論文異構(gòu)多接口多信道無(wú)線(xiàn)Mesh網(wǎng)絡(luò)關(guān)鍵技術(shù)研究姓名：李春明申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：信號(hào)與信息處理指導(dǎo)教師：彭軍20090401ABSTRACTWirelessMeshnetworkswiththecharacteristicsot。hlghbandwldth，la唱ecoVerageandlowdeploymentcost，wasoneofthemostpopularsolutionsforthe’’lastmilei

2、ntemetaccessTheusageofawiderangeofwirelessradiosandmultich舭neltechnologywouldf眥therenhancethenet、ⅣorkperformanceThechannelaSsignmentalgorithmandroutingprotocolwerestudiedinmispaperastheyhadadirectimpactonnetvv’orkperfoma

3、nceandresourceutilizationThemainworkdoneatthisdissenationwasasfollowsDuetothedi婦’erencesbetweennode’sinterfacet)，pesandnumberinheterogeneousmultiradiomulti—channelWMN，itscha衄elassigr】mentwouldcausethenei曲bournodes’衄ou曲pu

4、tdown，anei曲borinfomationandcharmelusagestatisticsbasedchannelassignmentalgorithmwaSproposedAUnodesinthenetWorkusedacommonchannelasthecontrolchanneltosharetheirradiochannelinfomationandachannelgainfactorwasdesignedbasedon

5、theinfomlationtoquanti匆thenetWork’sthrou曲putgainwhenonech鋤elwasassignedAtthesametimetheusage仔equencystatisticsofthesurroundingactiVeChannelswerecounted，thelowertllechamel’susagestatisticthesmallerthepotentialconnictCombi

6、nedmecha肌elgainfactorandchannelusage仔equencystatistics，achannelassig啪entmetriccalledCGSBMwasdesigned，whichmadenodenotonlyconsideritself’sthroughputrequirementbutalsotookitsneighbornodes’datatransmissionintoaccountwhenitw

7、asassigningthechannelsInthenetworklayer，networkloadbalancingissuesbecamethekeyissuesofa腩ctingtlleroutingprotocol’sperfornlancebecauseoftheheterogeneit)，innodes’radio，thusaradioabilityand1ink—layerinfomationbasedcognitiVe