资源描述：
《Capacity of Multi-Channel Wireless Networks》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、CapacityofMulti-ChannelWirelessNetworks:ImpactofNumberofChannelsandInterfacesPradeepKyasanurNitinH.VaidyaDept.ofComputerScience,andDept.ofElectricalandComputerEng.,andCoordinatedScienceLaboratory,CoordinatedScienceLaboratory,UniversityofIllinoisatUrbana-ChampaignUniversityofIllinoisatUrbana-Champa
2、ignkyasanur@uiuc.edunhv@uiuc.eduABSTRACTKeywordsThispaperstudieshowthecapacityofastaticmulti-channelCapacity,MultipleChannels,MultipleInterfaces,Adhocnetworkscalesasthenumberofnodes,n,increases.Guptanetworks,MeshnetworksandKumarhavedeterminedthecapacityofsingle-channelnetworks,andthoseboundsareapp
3、licabletomulti-channelnetworksaswell,providedeachnodeinthenetworkhasa1.INTRODUCTIONdedicatedinterfaceperchannel.Previousresearch(e.g.,[9,10])hascharacterizedtheca-Inthiswork,weestablishthecapacityofgeneralmulti-pacityofwirelessnetworks.Oneapproachforenhancingthechannelnetworkswhereinthenumberofint
4、erfaces,m,maynetworkcapacityistousemultiplechannels.Pastresearchbesmallerthanthenumberofchannels,c.Weshowthattheonwirelessnetworkcapacityhastypicallyconsideredwire-capacityofmulti-channelnetworksexhibitsdifferentboundslessnetworkswithasinglechannel,althoughtheresultsarethataredependentontheratiobet
5、weencandm.Whentheapplicabletoawirelessnetworkwithmultiplechannelsasnumberofinterfacespernodeissmallerthanthenumberwell,providedthatateachnodethereisadedicatedinter-ofchannels,thereisadegradationinthenetworkcapacityfaceperchannel.Withadedicatedinterfaceperchannel,ainmanyscenarios.However,oneimporta
6、ntexceptionisanodecanusealltheavailablechannelssimultaneously.How-randomnetworkwithuptoO(logn)channels,whereintheever,thenumberofavailablechannelsinawirelessnetworknetworkcapacityremainsattheGuptaandKumarboundcanbefairlylarge(e.g.,IEEE802.11a[11]hasprovisionedqnforupto12non-overlappingchannels),
7、anditmaynotbeofΘWbits/sec,independentofthenumberofin-lognfeasibletohaveadedicatedinterfaceperchannelateachterfacesavailableateachnode.Sinceinmanypracticalnode.Whennodesarenotequippedwithadedicatedin-networks,numb
