中文摘要：

目前无线通信行业已进入3G时代。首先介绍了分组传送网的优势特点，提出目前主流的FTTx接入技术GPON，其具有高带宽、多业务、低成本以及部署方便等优点，详细阐述了GPON＋PTN组网方武的优点，并结合案例详细说明，最后给出总结。

英文摘要：

At present, wireless communications industry has entered the 3G age. First, the superiority of Packet Transport Network （PTN） is introduced. Then, the mainstream access technique in PTx called GOPN is presented, which has the advantages of high bandwidth, multi-services, low cost and deploying easily and so on. Finally, the advantages of GPON＋PTN network mode are described in detail by the actual cases, and the summary is given as well.