Leverage Docsis 3.1 with Your Current Hfc Network

DOCSIS 3.1: Plan its deployment using the data in your current DOCSIS 3.0 OSS tools

A Technical Paper prepared for the Society of Cable Telecommunications Engineers By Patricio S. Latini SVP Broadband Communications Intraway Corporation Campillo 2541 – Buenos Aires - Argentina +54 (911) 6040-4023

Introduction ............................................................................................................................................................ 3 Current Situation ................................................................................................................................................... 4 DOCSIS 3.1 Technology ....................................................................................................................................... 8 OFDM .................................................................................................................................................................... 8 LDPC ................................................................................................................................................................... 10 Modulations ..................................................................................................................................................... 11 Phase I – Use DOCSIS 3.1 in the current HFC network to take advantage of new technologies. (5-42 MHz Upstream / 54-1008 MHz Downstream) ...................................... 14 Phase III – Use DOCSIS 3.1 in the HFC networks with digital optics to take advantage of the new optional higher order modulations .................................................................................. 20 Calculating the Channel Capacity of DOCSIS 3.1 Channels ....................................................... 20 Spectrum........................................................................................................................................................... 11 Multiple...