NDLI: A novel ATM based data transport system for hybrid fiber coax CATV networks

Content Provider	IEEE Xplore Digital Library
Author	Wolters, R. Boettle, D. Sierens, C.
Copyright Year	1997
Description	Author affiliation: Alcatel Telecom, Antwerp, Belgium (Wolters, R.)
Abstract	In this article, a transport system for use on hybrid fiber coax (HFC) cable television (CATV) networks is described. The system delivers an effective bitrate of 35 Mbps in the downstream direction and an effective bitrate of 2.1 Mbps in the upstream. The system uses asynchronous transfer mode (ATM) technology as transport mechanism, while time division multiple access (TDMA) is used to create a multiple access environment in the upstream direction. Timing aspects related to the use of TDMA in the upstream such as round trip delay and time slot synchronization are discussed in this paper. In the downstream direction forward error correction according to the DVB specification is applied, while in the upstream direction each burst is exactly one ATM cell plus 4 FEC bytes. ATM connections between users and servers as well as the encryption applied in the system are discussed. The described transport system is currently implemented in several prototypes and will be demonstrated mid 1997 in four European field trials within the framework of the ACTS project ATHOC.
Starting Page	494
Ending Page	502
File Size	697793
Page Count	9
File Format	PDF
ISBN	0780341961
DOI	10.1109/ATM.1997.624718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-25
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coaxial components Asynchronous transfer mode Time division multiple access Optical fiber cables Hybrid fiber coaxial cables Bit rate Forward error correction Coaxial cables Cable TV Timing
Content Type	Text
Resource Type	Article

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