【正文】 /FTTH家庭普及率居全球之首。2007年12月日本召開“消除數(shù)字鴻溝戰(zhàn)略會議”，重點是盡力消除大城市、中小城市與農(nóng)村之間的信息差別，為此日本政府計劃由國家和地方政府負(fù)擔(dān)部分費用，將光纖鋪設(shè)至人口稀少地區(qū)，包括鄉(xiāng)村地區(qū)，日本政府的一系列有力的政策極大地推動了日本FTTH的發(fā)展。 國內(nèi)外發(fā)展情況 國際EPON發(fā)展情況日本：日本是全球FTTH發(fā)展最好的國家，日本政府將FTTH的普及程度視為社會信息化先進程度的標(biāo)志，為此日本政府積極推動FTTH的發(fā)展。由于EPON的眾多優(yōu)點，它越來越受到人們的青睞，即將成為寬帶接入網(wǎng)一種最有效的通信方法。它在物理層采用PON技術(shù)，在鏈路層上使用以太網(wǎng)協(xié)議，利用PON的拓?fù)浣Y(jié)構(gòu)實現(xiàn)了以太網(wǎng)的接入。為滿足市場需要，通信網(wǎng)的主干部分已經(jīng)發(fā)生了巨大變化，而一直變化較少的傳統(tǒng)接入網(wǎng)已成為整個網(wǎng)絡(luò)中的瓶頸，各種新的寬帶接入技術(shù)成為研究的熱點。 To work for practical engineering cases, specify the EPON access network in the user application, the District of FTTH + LAN network model is more feasible at present the construction of the access network programs。 EPONdepth study of the principles of structure, related agreements and key technologies。s deployment spectrophotometric methods and principles。 foreign EPON in accordance with the laws governing the development of EPON thesis developed in China forecast model。提出FTTH+LAN的新型組網(wǎng)模式，既實現(xiàn)EPON的高帶寬、高速率、易管理等優(yōu)點，又解決ONU投入成本高的問題，是目前可行的接入網(wǎng)建設(shè)方案；在實驗室進行試驗，對EPON系統(tǒng)、互聯(lián)互通進行了測試，論證了應(yīng)用方案的可行性，EPON技術(shù)已經(jīng)比較成熟，各項性能指標(biāo)能夠滿足現(xiàn)有網(wǎng)絡(luò)的應(yīng)用需求。最后，為驗證EPON應(yīng)用方案的可行性，確保EPON系統(tǒng)在業(yè)務(wù)提供、系統(tǒng)性能等方面能夠滿足業(yè)務(wù)的需求，本章還描述和總結(jié)了參與EPON系統(tǒng)測試的整體情況，包括測試配置、內(nèi)容和結(jié)果。由于現(xiàn)有商業(yè)樓宇組網(wǎng)結(jié)構(gòu)復(fù)雜、不便于管理、需要固定機房、建設(shè)成本高等問題，特提出了將EPON應(yīng)用于商業(yè)樓宇的方案，總結(jié)了業(yè)務(wù)應(yīng)用模式，方案有效解決了現(xiàn)有商業(yè)樓宇組網(wǎng)方案的種種弊端。首先分析研究EPON的組網(wǎng)應(yīng)用，總結(jié)分析EPON在工程實施中的設(shè)計要點，包括OLT的部署方案，ONU部署方案以及分光器的布放方式和原則；然后列舉典型住宅小區(qū)、工業(yè)區(qū)、別墅區(qū)和邊遠(yuǎn)山區(qū)的接入方案。論文第一部分介紹了EPON技術(shù)在國內(nèi)外的發(fā)展情況，PON技術(shù)的發(fā)展過程，PON的標(biāo)準(zhǔn)現(xiàn)狀，綜合比較EPON與GPON (Gigabit Passive Optical Network千兆無源光網(wǎng)絡(luò))的優(yōu)缺點；根據(jù)國外EPON的發(fā)展規(guī)律，論文制定了EPON在中國的業(yè)務(wù)預(yù)測模型；并詳細(xì)描述了EPON的基本原理、關(guān)鍵技術(shù)和技術(shù)優(yōu)勢。Abstract碩士畢業(yè)論文EPON在用戶接入網(wǎng)的應(yīng)用研究與實現(xiàn) 摘要本課題“EPON在用戶接入網(wǎng)的應(yīng)用研究與實現(xiàn)”是采用EPON (Ethernet Passive Optical Network以太網(wǎng)無源光網(wǎng)絡(luò))寬帶光纖接入技術(shù)實現(xiàn)FTTH (Fiber ToThe Home光纖到戶)、FTTB (Fiber ToThe Building光纖到樓)、FTTO (Fiber ToThe Office光纖到辦公室)等方案，從而實現(xiàn)數(shù)據(jù)、VoIP (Voice over Internet Protocol語音)和IPTV (遠(yuǎn)程視頻)“三網(wǎng)合一”的業(yè)務(wù)帶寬需求。并且具有一定的運行、維護和管理功能。第二部分分析EPON在用戶接入網(wǎng)的應(yīng)用。第三部分是本文的重點，結(jié)合具體工程實例，提出并驗證FTTH、FTTB、FTTO等接入模式的實現(xiàn)方案，研究探討了EPON在運營商網(wǎng)絡(luò)運營中的不同建設(shè)模式。同時，也提出了將EPON應(yīng)用于小區(qū)的方案，由于現(xiàn)有ONU的成本相對較高，因此FTTH+LAN是較好的選擇，該接入方式的建設(shè)成本與ADSL(Asymmetrie Digital Subscriber Line 不對稱數(shù)字用戶線)基本相同，但系統(tǒng)效率明顯增強，因此可以考慮逐步替代ADSL的接入方案。論文主要特色通過查找、搜集的大量寬帶接入網(wǎng)相關(guān)資料，對EPON的技術(shù)發(fā)展、與其他接入技術(shù)的比較與功能進行了詳細(xì)的介紹；深刻研究了EPON的原理結(jié)構(gòu)、相關(guān)協(xié)議及主要關(guān)鍵技術(shù)；根據(jù)查找資料，結(jié)合工作經(jīng)驗，總結(jié)EPON在工程實施中的設(shè)計要點，提出EPON接入網(wǎng)方案；以工作中實際工程為案例，具體說明EPON在用戶接入網(wǎng)中應(yīng)用，提出EPON技術(shù)在不同接入模式的設(shè)計方案。關(guān)鍵詞：以太網(wǎng)無源光網(wǎng)絡(luò)，光纖到戶，光網(wǎng)絡(luò)單元，光線路終端，光配線單元ii浙江大學(xué)碩士學(xué)位論文 AbstractAbstractThe issues that The Research and Realization of EPON Application in Access Network adopts the technique of Ethernet passive network . It can realize the tripleplay business of data, VoIP and IPTV , It can also have the function of certain operation , maintain and management .The first part of paper describes EPON technology development at home and abroad, the development process of PON, the standards of EPON, paring EPON and GPON (Gigabit Passive Optical Network) the advantages and disadvantages。 and a detailed description of the basic principles of the EPON, the key technical and technological superiority. Analysis EPON access network applications in the second part of paper. analysis of the implementation of EPON in engineering design features, including the deployment of OLT program, ONU, as well as the deployment of the program39。 and then cited a typical residential district, industrial district, the villa area and remote access program of the mountains. The third part is the focus of this article, examples of specific projects and put forward and verified FTTH, FTTB, FTTO access patterns, such as the realization of the program, research on EPON network operators in the operator of the different modelbuilding. Existing mercial buildings as a result of network structure of the plex, not easy to manage, the need for fixed rooms, the high capital cost, will be put forward for the EPON program applies to mercial buildings, summed up the business application model, the program an effective solution to the existing mercial building group All the shortings of network programs. At the same time, also raised the EPON program applies to residential, because of the existing relatively high cost of ONU, FTTH + LAN is therefore a better choice, the construction of the access cost of ADSL (Asymmetrie Digital Subscriber Line Asymmetric Digital Subscriber Line) is basically the same, but the system efficiency significantly increased, and therefore may consider a gradual program to replace ADSL access. Finally, to verify the feasibility of EPON applications to ensure that the EPON system in the business, and other aspects of system performance to meet business needs, this chapter also describes and summarizes the participation in the overall EPON system testing, including test configuration, content and results. The main features of the paperBy looking to collect a large number of broadband access network information, the development of the EPON technology, with other access technologies and features introduced in detail。 Find information based on bining work experience, sum up the implementation of EPON in engineering design features, the EPON access network programs。 Tested in the laboratory of EPON system interoperability has been tested, demonstrated the feasibility of applications, EPON technology is more mature, the performance of existing networks to meet the application requirements. Keywords：EPON , FTTH , ONU , OLT , ODN , GPON iv浙江大學(xué)碩士學(xué)位論文 目錄目錄摘要 iAbstract iii圖目錄 IV表目錄 V第1章 緒論 1 引言 1 國內(nèi)外發(fā)展情況 1 國際EPON發(fā)展情況 1 國內(nèi)EPON發(fā)展情況 3 課題主要研究工作 3第2章 EPON技術(shù)綜述 5 PON技術(shù)發(fā)展 5 EPON的標(biāo)準(zhǔn)化情況 7 EPON與GPON的技術(shù)比較 8 技術(shù)參數(shù)比較 8 技術(shù)成熟度比較 8 成本比較 9 市場發(fā)展綜述 10 EPON業(yè)務(wù)預(yù)測模型 12 本章小結(jié) 15第3章 EPON網(wǎng)絡(luò)體系結(jié)構(gòu) 16 EPON原理 16 EPON網(wǎng)絡(luò)結(jié)構(gòu) 16 EPON傳輸原理 18 EPON協(xié)議棧結(jié)構(gòu) 21 EPON層次模型 21 MPCP子層 21 EPON的物理層 22 EPON關(guān)鍵技術(shù) 26 EPON數(shù)據(jù)鏈路層關(guān)鍵技術(shù) 26 EPON物理層關(guān)鍵技術(shù) 30 EPON的QoS 31 本章小結(jié) 33第4章 EPON組網(wǎng)設(shè)計與實現(xiàn) 34 EPON組網(wǎng)設(shè)計 34 OLT部署方案 34 分光器布放方式 34 分光器布放原則 35 ONU部署方案 35 組網(wǎng)應(yīng)用方