DOCSIS Archives | Page 4 of 5 |

No Matter Where You Go, There You Are…

By Jeff Finkelstein — In the beginning there was DOCSIS 1.0 and small integrated CMTSs with or without telco return. And it was good, but not great.

It’s All About FEC: Like a Box of Chocolates

By Brady S. Volpe and Mike Collins — We have all heard the stories of how well DOCSIS 3.1 is working. Perhaps your system has been involved in one of these stories too. One thing is true, DOCSIS 3.1 is working really well.

Would You Like Fries With That?

By Jeff Finkelstein — Like many of my and later generations, I spent time working in a fast food restaurant as a way to make money while in college. Having gone to college at 16 years old my work choices were limited by: the distance to where my dorm was located as I did not have a car and took public transit.

Full Duplex DOCSIS

By Brady S. Volpe — What is FDX DOCSIS? FDX supports the potential to scale to symmetrical throughput, whether one uses R-PHY or R-MAC/PHY. So let’s explore how FDX DOCSIS works and the benefits it has to offer. FDX DOCSIS is an extension to the DOCSIS 3.1 specification.

Show Me The Money!

By Brady S. Volpe – This article focuses on R-PHY, its benefits and how it works. FDX DOCSIS leverages R-PHY to achieve 10 Gbps symmetrical speeds in the HFC plant. One technology builds upon the other, so it is important that we lay the foundation of R-PHY so that everyone is on the same page.

E = MC2 (Energy = Milk * Coffee2)

By Jeff Finkelstein – The first step major step towards modularity in DOCSIS networks came in the form of M-CMTS. The modular CMTS decomposed the PHY from the MAC by using edge-QAM modulators to provide the physical layer.

To Boldly Go Where Cable Has Not Gone Before – Virtual CMTS/CCAP

By Brady S. Volpe – I will cover the concept of virtual CMTS/CCAP, how it pertains to DOCSIS and why this is a disruptive technology in our industry. My name is not Morpheus and I’m not asking you to choose between a blue or red pill here, but let me start off by saying I started out as a hardware guy in the business

Art and Innovation

By Jeff Finkelstein – In my last article, I discussed briefly the concept of corporate anti-bodies that try to shut down attempts to advance technology which may solve problems that do not exist yet. If we relied solely on those individuals to make the decisions, it is unlikely things would have moved at the incredible rate of change we have seen in many industries, including ours

Yeah Baby — Unmanaged DOCSIS Wi-Fi

By Brady S. Volpe – One billion dollars plus is spent yearly on residential unmanaged Wi-Fi accounts, according to CableLabs. You heard me right and I’m not quoting Austin Powers here. How is this possible? Okay, let’s review: Subscribers’ unmanaged Wi-Fi networks are causing a ton of customer service representative (CSR)

It’s all about Spectrum

By Jeff Finkelstein – Cable technologies across a diverse range of business fields where technology plays a significant part. While I would not label it strictly a technology-based problem, it is the basis of how many companies enhance their product sets by using new and advanced technologies to drive improvements to customer experience