1、分類號UDC密級壘五Z參聲夕擎碩士研究生學位論文車載網(wǎng)中車輛相對位置定位原型系統(tǒng)的設計與實現(xiàn)申請人：學號：培養(yǎng)單位：學科專業(yè)：研究方向：指導教師：完成日期：趙書嫻2121433計算機科學技術學院軟件工程移動無線網(wǎng)郭龍江教授2014年4月10日黑龍江大學碩士學位論文AbstractTrafficaccidentproblemhasbecomethefocusofsocialproblemsLocalizationtechnologyiso

2、neofthemostimportantapplicationsThetraditionallocalizationtechnologescannotbeusedinmanyoccasions，forexample，badwealher(Snowrainetc)，badlightconditions(dark，sunglareetc)aswellasinpresenceofurbannoise(egfadedlanemarks，park

3、edcarsandcrashbarriersetc)Otherlocalizationtechnologyhavehighequipmentcost，canonlyIocateneighborvehicles，notsuitableforinstallationintheexistingCarSAimingattheseshortcomings，thispaperputsforwardanovelvehiclelocalizationt

4、echnologyusingmultiplewirelesssensornodes，presentSavehiclerelativelocalizationsystemframework，andwithintheframework，studiesthemainkeytechnologiesofthesystemInorderteducetheeffectofthesingleRSSImodelandtheaveragemodeltOfi

5、nallyRSSIvalueThispaperusesgaussmodeltemovepartofthegreatesterrorofRSSlvalueandusesoptimalweightingmethodtOobtainthefinalRSSlvaluesTheexperimentalresultsshowthat，theerrorofthegaussweightedmodelissmallerthanaveragelocaliz

6、ationmodelThroughtheverificationexperiment，itisconcludedthatwhentWOvehiclesareinthesamelanethelinklossbetWeensensornodesissymmetric，however，whentwovehiclesareinthedifferentlanethelinklossisasymmetricWedesignedtWokindsofr

7、elativelocalizationalgorithmofsensorlocationmodel，aswellastherelativelocalizationoptimizationalgorithmThrou曲theexperiment，thebestpositionofthesensorsonthevehiclebodyisdeterminedTheresponsetimeofthesystemcan’tmorethan7sUn

8、derdifferentenvironmentalconditionsanddifferentvehicletypes，theaveragelocalizationaccuracycanreach90％ThispaperpresentsarangingalgorithmbasedonRSSIanddistancemappingChangethetraditionalone—to—onerelationshipbetweensingleR