基于UWB无线通信技术在矿井中的应用研究3

:2006212204;:2007202204:(CF2005205):(19712),,,,,([e-mail]);(19472),,,,,.UWB31,2,1(1.,100083;2.,150027):UWB,UWB,:;;:TN925.93:A:100123695(2008)0220600203ApplicationofwirelesscommunicationtechnologybasedonUWBincoalmineundergroundHAOWei2lai1,2,YANGGong2xun1(1.SchoolofMechanicalElectronic&InformationEngineering,UniversityofMining&Technology,Beijing100083,China;2.Dept.ofCom2puter&InformationEngineering,HeilongjiangInstituteofScience&Technology,Harbin150027,China)Abstract:Thedatacommunicationactualityandthedevelopmentofultrawideband(UWB)inChinesecoalmineexploitationwereintroduced,andtheproducingUWBpulsemethodwasexpatiated.TheUWBcharacteristicsofthemulti2pathresister,lowpower,strongpenetratingpowerandhighlyintegrationwereanalyzeddetaily.Basedontherealconditionofthecoalmineunderground,theUWBwasadvancedthatitisabetterwirelesscommunicationwayadoptedinthecoalmineundergroundandhasaextensivelydevelopmentfuture.Keywords:UWB;pulse;multi2path,70%,,,,,,,,,UWB10dB,fH,fL,500MHz2[(fH-fL)/(fH+fL)]0.2[1]1UWB,(FCC)20024:UWB,FCC3.110.6GHzUWBIEEE802UWB(WPAN),UWBWPAN,UWB,,1UWB,1nm,,:a)(10-12),b)PN,,,,,,1nsUWB,,25220082ApplicationResearchofComputersVol.25No.2Feb.2008v(t)=6Ae/(3)(t/)exp[-6(t/)2](1)v(f)=-j(2f2/3)e/2exp(/6f22)(2):A;;t;ff0=1/;Wb=f0116%0.5ns2GHz,2GHzUWB2002FCCUWB,UWB,UWB,1:3.110.6GHz;:14mW;:0.21.5ns,:25ns1ms;:-41.3dBm/MHz;:Mbps;:1ns;:5dB;:3G;:1000kB/m211)UWB,ns,,,UWB,,2)UWB,,,,IEEE80211aIEEE80211b,,UWB3)UWBMbps,100,IEEE80211aIEEE80211b[2,3]4)UWB1GHz,GHz,,5),,UWB,,01,,6)UWB:,;,7)UWB,1mW,,11,,,UWB,,D/A,A/D,,UWB,UWBA/DD/A,1,,UWB,:a),,,,,UWB,ns,1030dB,UWB5dB[4],,UWBb),,,mWW,,UWB,(0.5%),WmW,1/101/100UWB,c),UWB,,,1062,:UWB,34[5]UWB,,,UWB,,,UWBd),UWB,FCC,10mUWB,FCC,22PAMUWB(Pe=10.6),(0.33ns),,,,,0.33.8mW,20Mbps,32110mUWB,,,e),UWBUWB,,IEEE802.11a(NIC)150200,20019863,,UWB,UWBUWB,,,UWB,,UWBUWB,:[1]BACCARELLIE,BIAGIM.Anovelself2pilot2basedtransmit2receivearchitectureformultipath2impairedUWBsystem[J].IEEETransonCommunications,2004,52(6):8912895.[2]SCHOLTZRA.Multipleaccesswithtime2hoppingimpulsemodula2tion[C]//ProcofMILCOM.1993:11214.[3]WINMZ,SCHOLTZRA.Impulseradio:howitworks[J].IEEECommunicationsLetters,1998,2(2):36238.[4]BATTETTTW.Thehistoryofultrawidebandcommunicationsandradar:part[J].MicrowaveJournal,2001,44(2):20243.[5]WINMZ,SCHOLTZRA.Ultra2widebandwidthtime2hoppingspread2spectrumimpulseradioforwirelessmultiple2accesscommuni2cations[J].IEEETransonCommunications,2000,48(4):6792690.(599)[6]FUKUDAA,MUKUMOTOK.Performanceevaluationofrandomasimplexmeteorburstcommunicationsystem[C]//ProcofMICC.1993:125621263.[7]JABRIAKA,ALSHAHRANIA.Adaptive2ratetransmissionwithcodingandinterleavingforafurtherimprovementinthethroughputofmeteor2burstcommunicationsystems[C]//ProcofIEEEMILCOM.Boston:IEEE,1998:3912396.[8]RAHELIR,POLYDOROSA,TZOUCK.Per2survivorprocessing:ageneralapproachtoMLSEinuncertainenvironments[J].IEEETransonCommunications,1995,43(2/3/4):3542364.[9]WHITBYBI.Meteorscatterprotocolthroughputperformance:type2Iandtype2II[R].[S.l.]:DeptElecEng,UniversityoftheWitwater2stand,1991:31237.[10]WHITBYBI.Protocolanalysisforthemeteorburstchannel[D].Uni2versityoftheWitwaterstand,1991:78279.[11]CHANGSSL,SCHILLINGDL.Efficientcommunicationsusingthemeteor2burstchannel[J].IEEETransonCommunications,1992,40(1):2312237.[12]DJUKNICGM,SCHILLINGDL.PerformanceanalysisofanARQtransmissionschemeformeteorburstcommunications[J].IEEETransonCommunications,1994,42(2):5732579.[13],,,.[J].E,2004,34(10):115921171.[14]MAHMUDK,MUKUMOTOK,FUKUDAA.Abandwidthefficientvariableratetransmissionschemeformeteorburstcommunications[J].IEICETransCommun,2001,E842B(11):295622966.[15].[D].:,2005:25227.[16]ZHUZhen2yu,SADJADPOURHR.Anadaptiveper2survivorproces2singalgorithm[J].IEEETransonComm,2002,50(11):171621718.[17]..[M].:,2001:1982199.[18].[D].:,2006:23225.[19].[D].:,2003:31233.20625