基于北斗指纹节点的室内外无缝导航定位系统的设计

TheDesignofIndoor-outdoorSeamlessNavigationSystemBasedonCompassFingerprintNodesLeiChen1,ShuaiHan,DeyueZou,WeixiaoMengCommunicationResearchCenter,HarbinInstituteofTechnology,Harbin,[e-mail]:AstheindoorpositioningistheblindareaoftheCompassnavigationsystemandmostoftheindoorpositioningmethodsarebasedonWLAN(WirelessLocalAreaNetwork)system,theusershavetouseamorecomplexterminaldeviceequippedwithCompass-basedandWLAN-basedreceiverstonavigateseamlesslyindoorsandoutdoors.Tosolvethisproblem,thispaperproposesanindoor-outdoorseamlessnavigationsystembasedonCompassfingerprintnodes.AndCompassreceiverscanlocateindoorandoutdoorseamlesslybyonlyasoftware-upgrade.Whenthereceiverissetinlow-precisionmode,theimprovedCell-ID-basedlocationmethodwillbeutilized.Whenthehigh-precisionmodeisset,thereceivercanbelocatedafterthematchingoperationbetweentheRSS(ReceivedSignalStrength)andtheRadioMap.Asthereisnorequirementtoswitchthereceiverstoanotherdifferentsystem,theCompassfingerprintnodessystemrealizesthetrueindoor-outdoorseamlessnavigation.Keywords:Compass;SeamlessNavigation;[e-mail](WirelessLocalAreaNetwork)WLANCell-IDRadio-Map1GPSGLONASSWLAN[1,2,3](WirelessLocalAreaNetwork)WLAN[4]IMES(IndoorMessagingSystem)GPSIMESWLANRadioMap[3](863)(2012AA12080222.11B1[5]Table1TheRFcharacteristicsoffingerprintnodesignal11561.098MHzQPSK2.046Mcps204650bpsRHCP1B1[5]G2G212345678910111234567891011G2G1Figure1Pseudo-randomcodegenerator125dB1000200030004000500060007000800000.20.40.60.81Figure2Thecorrelationpeakafteracquisition22.2B1D150bpsFigure3Thebasicframestructureoffingerprintnode3351ID13GNSS(GlobalNavigationSatelliteSystem)A-GNSS(AssistedGNSS)WLAN[1,2][6]RFID[7]3.14Figure4Thestructureofindoor-outdoorseamlessnavigationsystem43.2Cell-IDRadioMapCell-ID5K(TP1,TP2,,TPK)RSS(ReceivedSignalStrength)(RSS1,RSS2,RSSi,,RSSK)RSSiiRSSIA,IB,IC,(1)ABrABABCABCCCABCRSSRSSIIIRSSRSSRSSRSSRSSRSSRSSIRSSRSSRSS(1)(1)6Figure5Thelow-precisionlocationmethodbasedonimprovedCell-ID5Cell-IDFigure6Thearrangementplanoffingerprintnodes6RadioMap7RadioMapK(TP1,TP2,,TPK)NMMRSSNNKRadioMapRadioMapRSSrRadioMapkNN(kNearestNeighbor)[8]Kernel-Based[9](CS,CompressiveSensing)[10]Figure7Thehigh-precisionlocationmethodbasedonRadioMap7RadioMapCell-IDRadioMapRadioMapRadioMapCell-IDRadioMapRadioMapCell-ID4References()[1]M.Brunato,R.Battiti.StatisticalLearningTheoryforLocationFingerprintinginWirelessLANs[J].ComputerNetworks,vol.47,no.6,pp.825-845,2005.[2]MoustafaY.,AshokA.TheHorusWLANLocationDeterminationSystem[C].InCommunicationNetworksandDistributedSystemsModelingandSimulationConference.2005[3]H.Wang,H.B.Zhou,L.Zhu,etal.AnalysisandResearchonIndoorPositioningMethodBasedonIEEE802.11[C].WiCOM2007.2007:2182-2183[4]D.Manandhar,K.Okano,M.Ishii,H.Torimoto,S.Kogure,H.Maeda.DevelopmentofUltimateSeamlessPositioningSystemBasedonQZSSIMES[C].IONGNSS2008,Savannah,GA,2008:1698-1705[5]BeiDouNavigationSatelliteSystemSignalInSpaceInterfaceControlDocumentOpenServiceSignalB1I(Version1.0),2012[6]Rydell,J.,Emilsson,E.CHAMELEON:Visual-inertialIndoorNavigation[C].PositionLocationandNavigationSymposium(PLANS),2012IEEE/ION,2012:541-546[7]Ni,L.M.,YunhaoLiu,YiuC.L.,Patil,A.P.LANDMARC:IndoorLocationSensingUsingActiveRFID[C].PervasiveComputingandCommunications2003,ProceedingsoftheFirstIEEEInternationalConferenceon,2003:407-415[8]P.BahlandV.N.Padmanabhan.RADAR:AnIn-BuildingRF-BasedUserLocationandTrackingSystem[C].Proc.IEEEINFOCOM,2002:775-784[9]A.Kushki,K.N.Plataniotis,andA.N.Venetsanopoulos.Kernel-BasedPositioninginWirelessLocalAreaNetworks[J].MobileComputing,IEEETransactionson,vol.6,no.6,pp.689-705,2007.[10]Feng,C.;Au,W.S.A.;Valaee,S.&Tan,Z.Received-Signal-Strength-BasedIndoorPositioningUsingCompressiveSensing[J].MobileComputing,IEEETransactionson,vol.11,no.12,pp.1983-1993,2012