WCDMA网络中基于Hadoop的指纹定位算法分析

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1、Then,throughtheanalysisoftheWCDMAnetworkarchitecture,contrasttheprosandconsofvariouspositioningtechnologyofWCDMAcellularnetwork,accordingtothecharacteristicsofthepositionfingerprintpositioningtechnologyandthetechnologyadvantageofHadoop/MapReducedistributedframework,designe

2、dtheWCDMAnetworkpositionsystem.Finally,ItemphasizesonKNN(K-NearestNeighbor)algorithmandit'simplementationbasedonMapReduce.Mainlydesigntherelativemapfunctionandthereducefunction.AttheendbuildHadoopcloudcomputingplatform,usingtheRSCPandthecorrespondinglatitudeandlongitudewhi

3、chweregotfromtheroadtestmeasuredonWCDMAnetworkasafingerprintdatabase,comparethematchingoftimeusingtheMapReducedKNNalgorithmundertheconditionofsinglenodeanddoublenode,provetheadvantageofMapReducedKNNalgorithm.Keywords:FingerPrintLocalizationAlgorithm;KNNAlgorithm;MapReduceF

4、ramework;Hadoop;off-linedata;WCDMAThesis:ApplicationResearch万方数据目录目录1绪论.........................................................................................................................................11.1课题背景及意义......................................................

5、.........................................................11.1.1选题思路....................................................................................................................11.1.2研究背景................................................................................

6、....................................11.1.3研究意义....................................................................................................................31.2国内外研究现状....................................................................................................

7、...........41.2.1云计算的国内外研究现状........................................................................................41.2.2位置指纹定位技术的国内外研究现状...................................................................51.3本文研究内容及组织结构.....................................................

8、..........................................61.4本章小结.......................................