Brady Volpe Archives |

DOCSIS 3.1 Supercharges RF Impairment Detection in HFC Networks with Advanced Techniques Like Never Before

By Brady Volpe – Read how DOCSIS 3.1 has changed PNM!

Embracing Proactive Network Maintenance with AI

By Brady Volpe – The shift from reactive to proactive, and ultimately predictive, network maintenance is essential for the future of our industry. By embracing AI-driven PNM within the DOCSIS framework, we can anticipate and prevent issues

The Error Era: Rethinking Codeword Calculation with OFDM and SC-QAM

By Brady Volpe – Did you know the formula for codeword errors are different for SC-QAM and OFDM(A)?

Estimating OFDM Capacity in DOCSIS 3.1 / 4.0

By Brady Volpe – You can now perform rough estimates of the OFDM channel or feel free to download my Python estimator, which is based on the work done by Karthik Sundaresan in his SCTE Expo paper.

Streamlined Operations and Superior QoE: The PMA-PNM Connection in DOCSIS 3.1

By Brady Volpe – DOCSIS 3.1 modems have ushered in a new era of high-speed connectivity. However, ensuring their consistent performance brings new challenges

The Proactive and Reactive Power of DOCSIS PNM Tools

By Brady Volpe – From a reactive perspective, cable operators can use PNM tools to resolve subscriber issues more efficiently. A classic scenario involves resource utilization.

Beyond the Cheetah

By Brady Volpe – The cable industry hopes to deliver Internet so fast even your dog can’t catch it. Beyond fast broadband internet services. DOCSIS 3.1 has a lot of potential and we haven’t even scratched the surface yet, but DOCSIS 4.0 is fast on its heels. Let’s take a closer look.

Are Staples in Coax Cable Impacting My DOCSIS speed?

By Brady Volpe – I recently posted a YouTube short about how staples in coaxial cable can cause micro-reflections and interfere with subscriber modems. The video was well-received, and I received a lot of feedback, including real-world experiences and questions.

The DOCSIS Virtual CMTSs — What You Should Know

By Brady Volpe – One big difference is that a vCMTS runs on commodity, off the shelf servers. This can have many benefits such as serving different functions to the cable operator. Examples of these benefits are versatility, ease of upgrade from DOCSIS 3.1 to DOCSIS 4.0

Got a DBC to Change Your Cable Modem’s OUDP IUC? I thought so.

By Brady Volpe – In this article, I’ll cover how an impairment will cause the CMTS to change a single CM’s OUDP IUC using a DBC transaction. I will also hopefully help you understand what the heck I just said.

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