Upgrade of hybrid fibre coax networks towards bi-directional access

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Abstract

In this paper we describe an upgrade scenario for Hybrid Fibre Coax (HFC) CATV Networks towards hi-directional access. The communication system described has been newly designed, and is based on the use of Direct Sequence- Code Division Multiple-Access (DS-CDMA). Due to its spread-spectrum properties, this technique enables the reliable and secure transmission of data in the hostile upstream channel. The future role of Graded Index Polymer Optical Fibre (GIPOF) for the replacement of copper sections of the network is discussed and a demultiplexer for a GIPOF WDM system is presented.
Original languageEnglish
Title of host publicationPhotonic Networks : Advances in Optical Communications
EditorsG. Prati
Place of PublicationBerlin
PublisherSpringer
Pages213-226
Number of pages14
ISBN (Print)3-540-76143-8
Publication statusPublished - 1997

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