Broadband Archives

30 08, 2016

Comcast Larry Wolcott Get’s His Tech On PNM 3.0 – Advances 2016 & Expectations 2017

Mia Colabrese2022-01-07T11:38:13-05:00August 30th, 2016|

Comcast Larry Wolcott Discusses PNM This video and podcast with host Brady Volpe and guests Larry Wolcott and John Downey feature Comcast Larry Wolcott Discusses PNM and Advances in Technology 2016 Advances in PNM Technology What to expect in 2017 Find out the exciting new industry happenings when it comes to PNM (Proactive Network Maintenance). Larry Wolcott of Comcast will be joining Brady and John to PNM. Larry has been heavily involved with PNM via Comcast and a leader in the industry when it comes to championing and

8 08, 2016

Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring

Mia Colabrese2021-08-16T20:05:30-04:00August 8th, 2016|

Cable Modems not Getting Speed - Top Reasons Cable Modems are not Getting Expected Speed and CMTS Monitoring Episode 22 Hosted by Brady Volpe of the Volpe Firm, Nimble This and Guest John Downey, CMTS Technical Leader at Cisco Systems. Today’s show we will cover cable modems not getting speed and monitoring your CMTS for proper Cable Modem State and Service Flow Operation. At the bottom John has supplied us with his presentation if you would like to listen along with viewing the slides. There were some technically issues

27 07, 2016

DOCSIS 3.1 In Your Plant Now

Mia Colabrese2016-07-27T11:00:12-04:00July 27th, 2016|

DOCSIS 3.1 In Your Plant Now In last month's article we focused on demystifying OFDM in DOCSIS 3.1. If you did not read the article please do, because we are going to now build on what we learned last time in the Broadband Library DOCSIS Online article titled “OFDM, completely new in DOCSIS 3.1”. You can find it in the archives with this link: bit.ly/OFDM3 - Also, for those not familair with bit.ly, its just a URL shortening service. Just click on the link or type it into

26 05, 2016

DOCSIS 3.1 Clearing Up Misconceptions

Mia Colabrese2021-08-16T20:10:13-04:00May 26th, 2016|

DOCSIS 3.1 Clearing Up Misconceptions with DOCSIS 3.1 Spectrum Allocation Episode 21 Hosted by Brady Volpe of the Volpe Firm and Nimble This, with guest John Downey, CMTS Technical Leader at Cisco Systems. Today’s show we will cover DOCSIS 3.1 spectrum allocation, applications and deployment in existing cable plants. No changes in the existing plants are necessary! What Cable Operators need to know. In addition, ANGACOM presentation preview by both John Downey and Brady Volpe who will be presenting at ANGACOM this year. Find out what they will be covering.

20 04, 2016

RF Measurements in the Cable Plant

Mia Colabrese2021-08-16T20:15:37-04:00April 20th, 2016|

RF Measurements in the Cable Plant - Learn more about RF Episode 20 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey, CMTS Technical Leader at Cisco Systems and special guest, Ron Hranac Technical Leader at Cisco Systems. Today’s show we will cover a number of topics including RF measurements and fundamentals. The discussion starts with basic building blocks of the sine wave and evolves to how QAM (quadrature amplitude modulation) signals are comprised of sine waves with varying amplitude and phase shifts, which means even though we call

4 03, 2016

OFDM, Completely New in DOCSIS 3.1

Mia Colabrese2023-09-06T19:41:07-04:00March 4th, 2016|

OFDM, Completely New in DOCSIS 3.1 CableLabs has just issued the first DOCSIS 3.1 certifications to five cable modem vendors. These vendors were Askey, Castlenet, Netgear, Technicolor and Ubee Interactive. Cable operators are implementing DOCSIS 3.1 trials and very soon. production systems. Frequently I receive questions about DOCSIS 3.1 such as “is it backwards compatible with DOCSIS 2.0 and 3.0 modems?”, “what are the channel bandwidths?”, “ ”, and many more. OFDM It Always Begins at the Physical Layer As with my original tutorials on DOCSIS, we start

22 02, 2016

Operator Perspective of Technology Advancements in Cable

Mia Colabrese2021-08-16T20:20:25-04:00February 22nd, 2016|

Operator Perspective of Technology Advancements in Cable and other interesting facts Episode 19 Hosted by Brady Volpe of the Volpe Firm and Nimble This Guest John Downey, CMTS Technical Leader at Cisco Systems and special guest, Jeff Finkelstein Executive Director of Network Strategy at Cox Communication. Today’s show we will cover a number of topics including the CableLabs’s Winter conference, NCTC’s Winter Educational conference, SCTE’s Chapter PNM training and more... But first, let’s cover some items happening in the news: CableLabs has announced “A newly unveiled project at CableLabs

18 01, 2016

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars

Mia Colabrese2021-08-16T20:24:54-04:00January 18th, 2016|

May the Force be with Operational Challenges, Industry Trends, DOCSIS 3.1 and Star Wars Episode 18 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey, CMTS Technical Leader at Cisco Systems. Today we are going to focus on your questions and provide our answers. If we don’t have answers we promise to make up answers so convincingly true that you will never know the difference. Just kidding. DOCSIS 3.1 operational challenges. In the NEWS According to Cablelabs, The certification of five vendors marks the largest

18 12, 2015

Doubling Down on DOCSIS 3.1

Mia Colabrese2022-01-20T11:36:56-05:00December 18th, 2015|

Doubling Down on DOCSIS 3.1 DOCSIS 3.1 and PNM were hot topics at Cable Tec Expo in New Orleans and in most major publications and articles for 2015. Comcast is the largest driver of DOCSIS 3.1, but my recommendations are that whether you are a tier 1, tier 2 or even tier 3 cable operator DOCSIS 3.1 should be on your roadmap. Consumer behavior and technical innovations are leading factors behind this statement and I elaborate below. Consumer Behavior and the State of Internet Traffic Growth In May

14 12, 2015

Operational Challenges – DOCSIS CMTS Challenges to Operators

Mia Colabrese2021-08-17T08:04:36-04:00December 14th, 2015|

Operational Challenges in Cable - CMTS Challenges to Operators Episode 17 Hosted by Brady Volpe of the Volpe Firm and Nimble This. Guest John Downey and Steve William TWC Director, Access Network Planning, Design & Operations. Steve is also a huge supporter of the SCTE, having served as on a number of SCTE chapter and National board positions and is currently serving on our SCTE Board of Directors. Hello Steve and thanks so much for your support of the SCTE and to our industry. We will also cover operational challenges