毕业设计---超宽带无线定位技术的研究.doc

毕业设计题目：超宽带（UWB）无线定位技术学校院系通信与信息工程学院专业通信技术姓名学号2012年6月论文题目:超宽带（UWB）无线通信技术专业：通信技术学生：林佳签名：指导教师：李新民签名：摘要随着无线通信技术的高速发展，人们对无线通信系统的要求日益提高，超宽带（Ultra-Wideband，UWB）技术凭借其高速率的数据传输、极低的功耗以及其精准的定位等性能，逐渐成为无线通信领域研究的一个热点，受到了广泛的关注。本文首先介绍了超宽带（UWB）技术的历史背景及其定义和特点。其次针对超宽带（UWB）的原理及其波形进行了研究和探讨。然后论述了超宽带（UWB）的调制与接收，并主要分析了PPM-TH-UW，PAM-DS-UWB，MB-OFDM-UWB这三种调制方式。最后本文重点介绍了超宽带（UWB）的无线定位技术，首先是对其发展和定义进行了概述，其次分别介绍了超宽带无线定位的参数及其几何模型，重点对UWB定位中TOA的算法进行了研究，最后通过仿真对定位算法的实现做出了验证并得到了重要结论。关键词：超宽带（UWB），无线定位技术论文类型：理论研究性Title：Ultra-wideband(UWB)wirelesspositioningtechnologyMajor：CommunicationstechnologyName：LinJiaSignature:Supervisor：LiXinMingSignature:AbstractWiththerapiddevelopmentofwirelesscommunicationtechnology,thewirelesscommunicationsystemoftheincreasingdemand,ultrawideband(Ultra-Wideband,UWB)technologybyvirtueofitshighdatarate,lowpowerconsumptionanditsprecisepositioningperformance,hasbecomethefieldofwirelesscommunicationresearchahotspot,hasreceivedthewidespreadattention.Thisthesisfirstintroducestheultrawideband(UWB)technologytothehistoricalbackgroundandthedefinitionandcharacteristicsof.Secondly,ultrawideband(UWB)principleandwaveformarestudiedanddiscussed.Andthendiscussestheultrawideband(UWB)modulationandreceiving,andprimaryanalysisofPPM-TH-UW,PAM-DS-UWB,MB-OFDM-UWBthethreemodulationmethods.Finally,thisthesisintroducestheultrawideband(UWB)wirelesspositioningtechnology,firstofitsdevelopmentanddefinitionareoutlined,followedbyintroducesUWBwirelesspositioningparametersandgeometrymodel,focusonthelocalizationofUWBTOAalgorithmisstudied,finallythroughthesimulationofpositioningalgorithmtoverifyandobtainedimportantconclusion.Keywords:ultrawideband(UWB),wirelesspositioningtechnology.Typeofthesis:theoreticalresearch目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc326507919"第一章超宽带（UWB）PAGEREF_Toc326507919\h4HYPERLINK\l"_Toc326507920"1.1UWB技术的发展PAGEREF_Toc326507920\h4HYPERLINK\l"_Toc326507921"1.2UWB的定义PAGEREF_Toc326507921\h4HYPERLINK\l"_Toc326507922"1.3UWB的技术特点PAGEREF_Toc326507922\h6HYPERLINK\l"_Toc326507923"