HFC Archives |

Designing Future HFC Networks — 1.2 GHz and Beyond

Esteban Sandino – Extended spectrum DOCSIS or ESD represents the next evolution of HFC networks. It opens the door to RF spectrum expansion up to 1.8 GHz, as defined in the DOCSIS 4.0 specification

A Lesson on Transmission Line Theory

By Brady Volpe — Understanding these basics will help you advance in your career. More importantly, understanding the root cause of any impairment, whether it is micro-reflections or getting wet.

OFDM and OFDMA

By Brady S. Volpe — OFDM and OFDMA are both advantageous to use over the traditional single carrier QAM (SC-QAM) which have been the staple of all previous versions of DOCSIS until DOCSIS 3.1. This is because SC-QAM worked for our needs.

Let’s Use Our Coax Smarter

By Brady S. Volpe — In the U.S. there are over 72 million businesses and households using broadband services.[1] Since COVID-19 has led to more social distancing and also an increase in working from home, our broadband services are even more important. I’m a big fan of proactive network maintenance (PNM).

10G on HFC — New Speeds for the Next Decade and Beyond

By Tom Cloonan — This is no time to relax! Something big is happening! This is a new decade! It’s the 2020s!” he exclaimed. “Everything in the DOCSIS/HFC network is about to change.

The Next Generation of HFC Networks

By John Williams — Over the next several years you will see changes in how the cable industry will leverage HFC networks. As an industry we plan to leverage our coaxial cable networks for the long-term future.

Distributed Access Architectures Enable Services in Small Markets

By Patricio Latini – For many years, traditional hybrid fiber/coax (HFC) networks required significant infrastructure to launch service in a new market.