臺灣博碩士論文加值系統

在本篇論文中，我們指出現今有線電視業者，所架設的光纖同軸混合網路架構下容易產生的問題，並希望能藉由下一代網路，FTTx被動式光纖網路(PON)進行取代。
首先，建構一套光纖到戶(FTTH)的被動式光纖網路架構，總路徑長度為12公里，涵蓋戶數為8戶，在該網路上進行3種波長之傳輸，其分別為1490 nm數據光波傳送IPTV，1550 nm RF光波傳送類比及數位(QAM)的電視訊號，1310 nm則為局端設備(OLT)及用戶端設備(ONU)之間的溝通資料。
再者，利用可調式光衰減器分別調整1490 nm數據光波及1550 nm RF光波之間的功率差異，量測兩光波的光功率差異對1550 nm中所傳送之類比訊號載波雜訊比(C/N)的變化，及1490 nm 數據光波中所傳送之IPTV訊號參數如Back-to-Back Results、Frame Loss、Latency及Throughput Results結果的變化。
經實驗結果論證後，我們提出未來有線電視業者，在架設光纖到戶(FTTH)的被動式光纖網路時，該如何調整兩光波功率，使1490 nm及1550 nm間的訊號品質發揮最大之效應。

第一章 緒論 1
1.1 前言 1
1.2 研究動機與目的 3
1.3 論文架構 5
第二章 被動式光纖網路介紹 6
2.1 被動式光纖網路發展 6
2.2 被動式光纖網路種類與傳輸訊號規範 6
第三章 利用EPON網路傳輸視訊訓號 16
3.1 RF overlay EPON的結構與問題 16
3.2 受激拉曼散射 17
第四章 1490 nm數據光波功率對ONU影響 21
4.1 簡介 21
4.2 實驗架構 21
4.3 實驗結果與討論 23
第五章 1550 nm RF光波功率對ONU影響 26
5.1 簡介 26
5.2 實驗架構 26
5.3 實驗結果與討論 28
第六章 1490 nm數據光波對1550 nm RF光波載波雜訊比參數影響 30
6.1 簡介 30
6.2 實驗架構 30
6.3 實驗結果與討論 33
第七章 1550 nm RF光波對1490 nm數據光波各參數影響 37
7.1 簡介 37
7.2 實驗架構 37
7.3 實驗結果與討論 40
第八章 結論 48
參考文獻 51

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