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0基于ZigBee的无线定位技术研究指导教师：刘智（长春理工大学电子信息工程学院，060412225王猛）摘要：随着现代通信技术和无线网络的快速发展，人们对定位与导航的需求日益增大，尤其在复杂的室内环境，但是受定位时间、定位精度以及复杂室内环境等条件的限制，比较完善的封闭空间定位技术目前还无法很好地利用。本文的重点就在于设计并实现了一种低成本、实用的无线传感器定位系统。本论文主要研究了基于ZigBee网络的室内无线定位技术，它包括硬件平台、节点通信程序和上位机监测软件三部分。本文详细介绍了三部分的实现。其中，硬件平台以集成了射频与51微控制器的CC2430芯片为核心，该平台包括射频模块、辅助电路、功能指示电路等。论文最后对定位系统进行了实际测试。测试表明:本系统达到了设计要求，是一个低成本、易实现的系统。关键词：ZigBee无线定位CC2430Z-STACK1TheResearchWirelesslocalizationBasedonZigBeeTeacher：liuzhi(Changchununiversityofscienceandtechnologyofelectronicinformationengineeringinstitute,060412225wangmeng)Abstract：Withtherapiddevelopmentofmoderncommunicationtechnologyandwirelessnetwork,people'sdemandforpositioningandnavigationisincreasing.Especiallyincomplexindoorenvironments,butasthelimitationofpositioningtime,positioningaccuracyaswellasthecomplexityoftheindoorenvironmentconditions,well-positioningtechnologyisstillunabletobeusedinanencloseurespace.ThecombinationofZigBeetechnologyandlocalizationisoneofthekeyresearches.Thispaper,aimingatZigBeenetwork,investigatestheindoorwirelesslocationtechniquesandimplementsareal-timelocalizationsystem.Thispaperachievesalocalizationsystem.threepartsareincluded.Theyarehardwareplatform,communicationprogramofnodesandPCmonitorsoftware.Theachievementofeverypartisclearintroducedinthispaper.ThecoreofhardwareplatformisCC2430whichisintegratedbyRFand51MCU,thelocalizationnodesaredesignedandmade.ItincludesRFmodule,auxiliarymoduleandfunctionindicationcircuits.Intheend,practicaltestisimplemented.Thissystemisconfirmedtobeagoodone,itisalowcostandeasyachievedsystem.Keywords:ZigBeeWirelesslocalizationCC2430Z-STACK2引言................................................................................................................................................1第一章绪论................................................................................................................................21.1课题研究背景与意义....................................................................................................21.2基于测距的定位技术介绍............................................................................................21.3国内外研究现状..............................................................................................................31.4无线定位系统未来发展趋势..........................................................................................3第二章ZigBee技术概述.............................................................................................................52.1ZigBee简介.....................................................................................................................52.2ZigBee网络的构成.........................................................................................................52.2.1星状网络拓扑.......................................................................................................62.2.2对等网络拓扑.......................................................................................................72.3ZigBee协议的研究.........................................................................................................82.4ZigBee技术应用前景.....................................................................................................8第三章基于ZigBee技术定位系统的设计............................................................................103.1ZigBee定位技术的介绍...............................................................................................103.2系统所采用的算法介绍............................................................................................113.2.1基于RSSI测距算法........................................................................................113.2.2三边测量法.........................................................................................................113.3系统硬件设计..............................................................................................................123.3.1硬件总体规划.....................................................................................................123.3.2无线通信芯片CC2430........................................................................................123.3.3CC2430射频模块设计.....................................................................................133.3.5定位节点软件设计.............................................................................................16第四章定位功能测试................................................................................................................204.1测试条件与环境............................................................................................................204.2测试结果.........................................................................................................................20第五章结论................................................................................................................................21致谢............................................................................................................................................23参考文献..........................................................................................