DOCSIS® ONLINE

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.

Read More

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).

Read More

Please Stay Out of My House

By Brady S. Volpe — Staying out of subscriber’s homes while adding new service and supporting service calls is not a trivial task. This article discusses possible solutions to tackling the challenges during Covid.

Read More

High Latency is ‘Killing’ You

By Brady S. Volpe — Gaming is a billion-dollar industry with billions of players, and they use broadband to get there. I’ve spent a lot of time discussing the importance of low latency DOCSIS over the last couple of years on my podcast and YouTube channel.

Read More

FDX, More Options for Operators

By Brady S. Volpe — Proactive network maintenance (PNM) has been steadily growing in acceptance and popularity over the past several years with adoption amongst cable operators from Tier 1 such as Comcast all the way to the smallest Tier 4 operators.

Read More

What Can DOCSIS PNM Do For Me?

By Brady S. Volpe — Proactive network maintenance (PNM) has been steadily growing in acceptance and popularity over the past several years with adoption amongst cable operators from Tier 1 such as Comcast all the way to the smallest Tier 4 operators.

Read More

Demystifying OOB and R-PHY

By Brady S. Volpe – In this article we dive into Data-Over-Cable Service Interface Specifications (DOCSIS) remote PHY (R-PHY) testing challenges and how these can be overcome using out-of-band (OOB) channel communications.

Read More