GPON宽带接入设备的应用研究论文.doc

南京邮电大学通达学院毕业设计（论文）题目GPON宽带接入设备的研究专业通信工程学生姓名班级学号指导教师指导单位通信与信息工程学院日期2009年11月16日至2010年6月11日摘要GPONGigabitCapablePON千兆无源光网络，无源光网络技术是基于ITUTG.984.x标准的最新一代宽带无源光网络接入标准，具有高带宽，高效率，大覆盖范围，用户接口丰富等众多优点，被大多数运营商视为实现接入网业务宽带化，综合化改造的理想技术。本课题通过搭建GPON小型宽带接入网试验，对目前主流的GPON宽带接入技术进行研究，对目前国内主流的GPON产家的设备网络质量，业务提供能力等方面进行分析比较。对GPON的行业形势进行分析，对各个厂家的GPON设备各方面的性能进行分析。经过各个方面的分析，GPON的大宽带、高业务、强功能等优势使之成为将来光纤通信的重要技术。关键词宽带接入无源光网络以太无源光网络千兆无源光网络千兆无源光网络的封装方法ABSTRACTGPONGigabitCapablePONgigabitpassiveopticalnetwork,passiveopticalnetworktechnologyisbasedonstandardITUTG.984.xthelatestgenerationofbroadbandpassiveopticalnetworkaccessstandards,withhighbandwidth,highefficiency,largecoveredscope,richuserinterfaceandmanyotheradvantagesachievedbymostoperatorsasabroadbandaccessnetworkbusiness,integratedtechnologytransformationoftheideal.TheissueofbroadbandbysmallscalestructuresGPONaccessnetworktest,thecurrentmainstreamresearchGPONbroadbandaccesstechnology,onthedomesticmainstreamGPONnetworkequipmentmanufacturershavethequalityofserviceprovisioncapabilityaspectsareanalyzed.ThesituationontheGPONindustryanalysis,onaproductionhomeGPONequipmenttoconductallaspectsofperformance,wereanalyzed.Thebigbroadband,highGPONbusiness,strongfunctionadvantagehasbecomeanimportanttechnologyinthefutureoftheopticalfibercommunication.KeywordsBigbandaccesspassiveOpticalnetworkEthernetpassiveOpticalnetworkGigabitCapablePONGPONEncapsulationMethod目录第一章概述.................................................11.1课题背景.................................................................................................................11.2宽带接入技术.........................................................................................................11.3中国宽带接入市场的简介.....................................................................................6第二章PON技术的综合比较....................................................................72.1P0N技术的发展和技术现状................................................................................72.2PON技术的简介...................................................................................................92.2.1APON和BPON技术..................................................................................92.2.2EPON技术.................................................................................................102.2.3GPON技术.................................................................................................132.3各种P0N技术的比较.........................................................................................14第三章GPON的关键技术研究.................................................................173.1GPON的产生.....................................................................................................173.2GPON技术简介.................................................................................................173.2.1GPON系统结构.......................................................................................173.2.2GPON协议栈...........................................................................................183.2.3GPON封装方法－GEM........................................................................183.2.4GPON的传输汇聚子层（GTC）.......................................................193.3GPON的帧结构...............................................................................................193.3.1GPON下行帧结构....................................................................................203.3.2GPON上行帧结构.....................................................................................213.4.GPON的技术优势............................................................................................213.5小结......................................................................................................................21第四章GPON与EPON若干技术的比较.................................................234.1GPON与EPON的比较......................................................................................234.1.1GPON与EPON的主要技术.....................................................................244.1.2GPON与EPON的业务协议....................................................................264.1.3GPON与EPON的FTTH协议模型.........................................................264.2GPON与EPON关键技术比较研究的意义......................................................28