Optical Networking White Papers
Bringing Home the Bandwidth: Optimal HFC Access Architectures for New Builds
Overview In this paper, optimal HFC designs for such "greenfield" builds are reviewed. The expected growth in bandwidth demand from cable subscribers over the next several years is first reviewed. Deep fiber optical node segmentation schemes which will allow highly scalable bandwidth delivery, and at the same time minimize or eliminate RF actives from the coax plant are then discussed. It is then shown how DWDM can provide significant cost savings and deployment convenience by reducing costly hub real estate and minimizing or eliminating expensive SONET transmission systems. Cost-effective implementation of a combination of digital transmission and DWDM in the return path of such deep fiber architectures is examined. Finally, the discussion of digital return is extended to include the possibility of demodulation, and even reduced CMTS functionality, in the node.
| Publisher | Harmonic | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | August 2003 | Downloads | 5 |
| Format | White Papers | ||
| Topics | |||
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