基于无线通信射频收发机系统的设计 通信技术专业VIP免费

题目：基于无线通信射频收发机系统的设计基于无线通信射频收发机系统的设计摘要近年来，射频(RF)无线通信技术的迅速发展增加了人们对低电压高性能射频前端的需求，无线通讯系统中的关键模块-RFIC成为当前的研究热点，例如：蜂窝式个人通信与基站、无线接入系统、卫星通信、全球卫星定位系统、无线局域网等。经过三代移动通信的发展，通信系统发展成了支持多媒体的通信系统，系统的速度更快，误码率更低。射频收发机是通信系统的前端部分，负责信号的接收和发射部分，是无线通信系统中不可缺少的一部分，它决定了通信距离和影响着通信质量通信系统的发展也带动了射频收发机的发展。本文主要完成了基于移动通信的射频收发机系统，所做的工作可分为射频系统的指标分解、计算，前期的器件调研和选型，射频系统方案的设计和搭建，并进行ADS的系统仿真。最后经过测试，其收发机的性能指标基本满足要求。关键词：移动通信；射频收发机；系统指标IRFtransceiversystemdesignbasedonwirelesscommunicationAbstractInrecentyears，therapiddevelopmentofradiofrequency(RF)wirelesscommunicationincreasetheRFfront-endneedsoflow-voltageandhigh-performance.Thekeymodules-RFICofWirelesscommunicationsystemsbecomeresearchfocus,suchascellularpersonalcommunicationsandbasestation,wirelessaccesssystems,SatelliteCommunications,GPS,wirelesslan,etc.Afterthedevelopmentofthreegenerationsofmobilecommunications,communicationssystemdevelopedintoamultimediacommunicationsystemandthesystemhasfasterrateandlowerBER.RFtransceiverwhichisfrontofthecommunicationsystemisresponsibleforreceivingandtransmittingthesignalpartandthatisanintegralpartthewirelesscommunicationsystemhasalsoledtothedevelopmentoftheRFtransceiver.Thepaperdiscussedtransceiver'sbasicstructureandradiofrequencytransceiver'sdevelopmentandsomekeyindicators.Thenaccordingtotheseimportanttarget,ithascalculatedtheradiofrequencysystem'smajortechniquetarget.Finallyitsimulatedentiretransceiver'smajortechniquetarget.Keywords:mobilecommunication；RFtransceiver；systemspecificationsII目录1.绪论...........................................................................................11.1引言.......................................................................................11.2射频集成电路的发展及研究前景.......................................11.3国内外研究动态...................................................................32系统设计步骤.................................................................................52.1需求分析...............................................................................52.2概要设计...............................................................................62.3详细设计...............................................................................92.4调试环境准备以及测试准备.............................................143.系统组成.......................................................................................153.1射频接收机.........................................................................153.1.1系统总体方案............................................................153.1.2重难点及解决办法....................................................163.2射频发射机.........................................................................163.2.1系统总体方案............................................................163.2.2重难点及解决办法....................................................163.3射频系统结构及其个元器件参数.....................................173.4设计的注意事项....................