發(fā)布時(shí)間：2018-04-01 02:05

  本文選題：無源光網(wǎng)絡(luò)　切入點(diǎn)：光纖接入網(wǎng)　出處：《天津大學(xué)》2014年碩士論文

【摘要】：隨著新技術(shù)新材料的不斷涌現(xiàn),當(dāng)今市場(chǎng)瞬息萬(wàn)變,顧客需求不斷升級(jí),企業(yè)之間的競(jìng)爭(zhēng)程度加劇。在國(guó)外隨著光纖接入技術(shù)從有源到無源的巨大轉(zhuǎn)型,“光進(jìn)銅退”的寬帶接入理念也在日益深入人心。無源光網(wǎng)絡(luò)(PON)技術(shù)經(jīng)歷了從APON/BPON到EPON/GPON的發(fā)展,也趨于成熟。它具有無限的帶寬和較大的傳輸容量,可避免電磁干擾,且傳輸介質(zhì)普遍,安全性高不容易被竊取.光網(wǎng)絡(luò)是信息時(shí)代的主導(dǎo)尤其是無源光網(wǎng)絡(luò)更是節(jié)約了有源設(shè)備的投入與復(fù)雜性和供電不方便,避免單點(diǎn)故障,可提高系統(tǒng)可靠性。國(guó)內(nèi)組網(wǎng)方式主流是EPON(以太無源光網(wǎng)絡(luò)),就是通過OLT-OBD-ONU組成的網(wǎng)絡(luò)結(jié)構(gòu),可承載以太網(wǎng),語(yǔ)音,視頻,以及高清數(shù)碼有線電視等業(yè)務(wù),可兼容xDSL。本文通過對(duì)光纖接入的概念的理解,和對(duì)互聯(lián)網(wǎng)技術(shù)、通信需求增長(zhǎng)的分析,結(jié)合用戶和配電設(shè)備的優(yōu)點(diǎn)和缺點(diǎn),開展光纖網(wǎng)絡(luò)的結(jié)構(gòu)設(shè)計(jì),以確定網(wǎng)絡(luò)拓?fù)涞陌l(fā)展。根據(jù)PON網(wǎng)絡(luò)結(jié)構(gòu)圖確定所選擇設(shè)備類型,計(jì)算所述光網(wǎng)絡(luò)單元設(shè)備的位置、數(shù)量和距離,選擇光器件,完成布線工藝和通過驗(yàn)收規(guī)范。本文包括六個(gè)部分。第一部分是緒論,分析了研究的背景,闡述了研究的目的和意義。第二部分對(duì)無源光網(wǎng)絡(luò)PON進(jìn)行了介紹,描述了光纖接入網(wǎng)的基本概念、基本構(gòu)成、網(wǎng)絡(luò)結(jié)構(gòu)和層級(jí)結(jié)構(gòu),提出設(shè)計(jì)思路并以案例說明PON光纖接入網(wǎng)的解決方案。第三部分是ODN組網(wǎng)設(shè)計(jì)的研究方法,對(duì)理論內(nèi)容,模型和層次結(jié)構(gòu)做了相應(yīng)地回顧。第四部分說明了PON光纖接入網(wǎng)的光器件選用。第五部分是光纖接入網(wǎng)的布線工藝及驗(yàn)收規(guī)范,以及性能測(cè)試結(jié)果。最后是結(jié)束語(yǔ),總結(jié)歸納和展望。
[Abstract]:With the continuous emergence of new technologies and materials, the market is changing rapidly and customer demand is constantly upgrading. The degree of competition between enterprises is increasing. With the great transformation of optical fiber access technology from active to passive abroad, the broadband access concept of "optical access and copper retreat" is becoming increasingly popular. The passive optical network (PON) technology has experienced the development from APON/BPON to EPON/GPON. It also tends to mature. It has unlimited bandwidth and large transmission capacity, can avoid electromagnetic interference, and the transmission medium is universal, High security is not easy to be stolen. Optical network is the dominant in the information age, especially the passive optical network, which saves the input and complexity of active equipment and is inconvenient for power supply, and avoids single point fault. EPON (Ethernet passive Optical Network) is the network structure formed by OLT-OBD-ONU, which can carry Ethernet, voice, video, high-definition digital cable television and other services. XDSL.Through the understanding of the concept of optical fiber access, and the analysis of Internet technology and communication demand growth, combined with the advantages and disadvantages of users and distribution equipment, this paper develops the structure design of optical fiber network. In order to determine the development of network topology, according to the PON network structure diagram to determine the selected device type, calculate the location, number and distance of the optical network unit equipment, select the optical device, This paper includes six parts: the first part is introduction, the background of the research is analyzed, and the purpose and significance of the research are expounded. The second part introduces the passive optical network (PON). This paper describes the basic concept, basic structure, network structure and hierarchical structure of optical fiber access network, puts forward the design idea and illustrates the solution of PON optical fiber access network with a case study. The third part is the research method of ODN network design, and the theoretical content is discussed. The model and hierarchy are reviewed accordingly. In the fourth part, the optical device selection of PON fiber access network is described. The fifth part is the wiring process and acceptance specification of the optical fiber access network, as well as the performance test results. Finally, the conclusion is given. Summary and prospect.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN915.63

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