超寬帶無線定位算法研究.pdf

1、南京郵電大學(xué)碩士學(xué)位論文摘要學(xué)科、專業(yè)：工學(xué)電磁場與微波技術(shù)研究方向：無線通信與電磁兼容Y1412037作者：三旦墮級研究生謝亞琴指導(dǎo)教師堡些苤題目：超寬帶無線定位算法研究英文題目：AStudyOilLocalizationAlgorithmsviaUltra—WidebandRadios主題詞：超寬帶無線定位算法信號到達(dá)時間Keywords：Ultra—WidebandRadioLocalizationAlgorithmsTimeof

2、Arrival本論文得到以下基金項目資助教育部新世紀(jì)優(yōu)秀人才支持計劃(NoNCET040519)，“超寬帶無線通信系統(tǒng)中的射頻技術(shù)及傳輸信道研究”。南京郵電人學(xué)碩1：研究生學(xué)位論文英文摘要ABSTRACTWiththedevelopmentofwirelesscommunications，newwirelessservicesemergemostofwhichcallforautomaticpositioningWiththefrequ

3、encyallocationofUltrawideband，thetechnologyofUWBanditsapplicationshavedrawnmoreandmoreattentionAccordingtoFCCrules，UWBradioshavepotentialwidefreebandwidthof75GHz，from31GHzto106GHzSuchextremelylargebandwidthresultsinveryh

4、ightemporal(andthusspatial)resolutionwhichallowscentimeteraccuracyinrangingandlocalizationTheveryshortpulselocalizerscostcheapandCallsupplytherelativepositionofthetargetnodewithcentimeteraccuracyinpositioningThelocalizat

5、ionalgorithmsviaUWBradiosisthefirstchoiceoffuturewirelesslocalizationtechniquesThus，it’SessentialtodevelopthelocalizationmethodsviaUWBradiosforpracticeThisdissertationfocusesonthebasictheorybasicalgorithms，andperformance

6、oflocalizationmethodsviaUWBradiosBasedontheformerresults，twonewlocalizationmethodsareproposedThemaincontentandcontributesofthisdissertationareasfollows：UWB，wirelesslocalizationmethodsandthedevelopmentoflocalizationmethod

7、sviaUWBradiosinhomeandabroadarediscussedfirstItissaidthattheaccuracyofUWBradiolocalizationishardtogainitstheoreticlimitationbecauseoftheexistenceofcomplicatedmultipathandnot—line—ofsightpathSoit’Scrucialnowtochoosetheloc

8、alizationalgorithmswithhighperformance—tocost—ratioandenergysavingSecondlytheexistingpositioningmethodsviaUWBradiosaresummarizedTwonewmethods，GeneticAlgorithmandthehybridmethodbasedonAPITandTSE，arepresentedtopositiontheu

9、nknownnodesonthebasisoftheformerintroductionsAllthemethodsmentionedabovearesimulatedandcomparedfromtheaccuracyoflocalization，failrateofpositioningandCPUtimeelapsedThesimulationresultsshowthatboththetwonewmethodshavebette

10、rlocalizationperformancethantheothersThemainerrorsourceswhichaffecttheaccuracyoflocalizationarediscussednext，whichisfollowedbythemeasuretoimprovethelocalizationperformanceThepotentialapplicationsofUWBpositioningsystemsar