Evaluation of Return Architecture for increasing HFC capacity

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  • CATV上り伝送容量拡張方式の検討 : NPR(Noise Power Ratio)評価によるマルチセル諸方式の検討
  • CATV ノボリ デンソウ ヨウリョウ カクチョウ ホウシキ ノ ケントウ NPR Noise Power Ratio ヒョウカ ニ ヨル マルチセル ショ ホウシキ ノ ケントウ

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Abstract

With today's progress of digital compression technology, the Cable system comes to one of the best solution for the information superhighway. The Cable operators have ambitious plans to upgrade their existing network to supply their subscribers with more bandwidth. Dealing with these challenges of building and managing Cable-information-superhighway-network successfully, how to expand return capacity is the most difficult problem from the view of cost and system-reliability. Now, Several ways such as Frequency Stacking, Wavelength Division Multiplexing are recommended. We evaluate these return architectures using NPR testing technique, and recommend the Wavelength Division Multiplexing as the best return architecture for increasing HFC return capacity.

Journal

  • ITE Technical Report

    ITE Technical Report 24.30 (0), 13-18, 2000

    The Institute of Image Information and Television Engineers

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