A Migration Strategy to High Capacity Return on HFC Networks (1996)
By Jim Chiddix and Donald Gall, Time Warner Cable Gerry Shimirak, Raychem
This paper explores the potential for the cable industry to use the high end of the RF spectrum for in-bound signals. Experience with such a system is documented, and its performance examined. Approaches to migrating from today's sub-low (5-40 MHz) return systems to the use of high-end return are explored, and a specific proposal, which would minimize or eliminate interruption of existing services during such a transition, is discussed. The conclusion is drawn that this technology is feasible, and has the potential to offer significant benefit as the need arises for high-capacity return in the context of more symmetrical telecommunications and data services over hybrid fiber/ coax systems.
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