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題 名 | EoVDSL於FTTB應用之性能與技術評估=The Evaluation of Performance and Technique of EoVDSL on FTTB |
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作 者 | 曾三城; 方偉昌; 王井煦; 涂元光; 鄭石源; | 書刊名 | 電信研究 |
卷 期 | 33:2 2003.04[民92.04] |
頁 次 | 頁203-213 |
分類號 | 448.6 |
關鍵詞 | 超高速數位用戶迴路; 光纖到大樓; Very-high-speed digital subscriber lines; VDSL; Fiber to the building; FTTB; |
語 文 | 中文(Chinese) |
中文摘要 | 在國內寬頻ADSL技術成功推廣之後,為將光纖推向用戶,頻寬更進一步提升,提出FTTB方案,配合EoVDSL技術運用,以提供用戶上網、視訊與語音整合的服務。在此文中,我們將介紹FTTB應用架構與EoVDSL技術,模擬分析國內大樓內的銅線環境,觀察不同的佈線線徑與不同的家庭或中小企業網路搭配使用,所產生不同的迴路架構與高頻線路衰減的頻率響應情形。接著說明在DMT技術與QAM技術基礎的VDSL系統,如何適當防止交越雜訊(Crosstalk),以及描述VDSL技術標準發展與產品現況。 |
英文摘要 | The ADSL technology has been successfully promoted in Taiwan today. In order to extend the fiber service to customers and increase service bandwidth, the FTTB strategy combined with EoVDSL solution has been proposed to provide integrated services including internet, video and voice services. In this paper, we will introduce the application structure of FTTB and EoVDSL technology. We also simulate and analyze the environment of the cooper wires in the building in Taiwan, and observe the different loop structure and the situation of attenation in high frequency response, which are due to different wire guage and home network. Then, we show how to avoid crosstalk noise appropriately in DMT-based and QAM-based VDSL system and describe VDSL standard and product development. |
本系統中英文摘要資訊取自各篇刊載內容。