remote-PHY Archives

16 05, 2019

DOCSIS 3.1 and FDX

Mia Colabrese2021-08-15T18:47:04-04:00May 16th, 2019|

Happy Friday Everyone. Today is May 10 and this is episode 47 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us today is: John Downey, CMTS Technical Leader at Cisco. Today’s topic is a discussion on DOCSIS 3.1 and FDX. But also: Ethernet over Coax Overlay Modulated Signal Over coming barriers point to point wireless FDX brings more upstream speed but needs R-PHY to go 1GIG service 4 upstream channels from 5 to

18 03, 2019

PNM Round Table with Brady Volpe, Comcast, CableLabs, Cisco

Mia Colabrese2021-08-15T18:53:49-04:00March 18th, 2019|

Happy Friday Everyone. Today is March 15 and this is episode 46 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us today is: John Downey, CMTS Technical Leader at Cisco. Larry Wolcott PNM Round Table with special guests Larry Wolcott (SCTE Member of the year) Leader at Comcast’s Next Generation Technology Group Jason Rupe Principal Architect, Wired, R&D of CableLabs. Today’s topic is a follow up on last year's popular PNM show and

20 02, 2019

R-PHY / DAA Round Table follow up with Brady Volpe, Arris, Cisco and Harmonic

Mia Colabrese2021-08-16T08:15:06-04:00February 20th, 2019|

Happy Friday Everyone. Today is February 15 and this is episode 45 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us today is John Downey, CMTS Technical Leader at Cisco, Asaf Matatyaou Vice President of Solutions and Product Management, for Cable Edge Business, Harmonic and Tal Laufer, Director of Product Line Management at ARRIS. Today’s topic is a follow up on last year's popular R-PHY / DAA show. Asaf and Tal will each take 15

22 01, 2019

Broadband Tech Talk Friday

Mia Colabrese2021-08-16T08:18:25-04:00January 22nd, 2019|

Happy Friday Everyone. Today is January 18 and this is episode 44 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us is, John Downey, the Ant Man of Cable. John is also CMTS Technical Leader at Cisco Systems, welcome John. Today’s topic is a show discussing a full range of technology topics. But first... <In the News> Netflix thinks ‘Fortnite’ is a bigger competitor than other streaming services [marketwatch.com] Netflix Loses 8% of

14 12, 2018

Demystifying OOB and R-PHY

Mia Colabrese2020-04-02T12:21:56-04:00December 14th, 2018|

Benefits and Limitations, Choose your R-PHY Wisely 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. Test and Measurement Challenges with R-PHY Let’s understand the fundamental challenges with testing in an R-PHY world. Today’s radio frequency (RF) test equipment, such as sweep, return path monitoring, and leakage is based on analog signals. Figure 1 illustrates how typical headend / hub test equipment signals traditionally flow to or from an analog

3 10, 2018

R-PHY and Orchestration with ARRIS, CISCO and Brady Volpe

Mia Colabrese2021-08-15T18:56:57-04:00October 3rd, 2018|

Happy Friday Everyone. Today is September 28th and this is episode 42 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us is, John Downey, the Van Dam of Cable. John is also CMTS Technical Leader at Cisco Systems, welcome John. Also with us is Tal Laufer who in her sleep orchestrates 1’s and 0’s into beautiful broadband magic, Tal is also Director, Product Manager Network Intelligence and Automation at ARRIS, welcome back Tal.

23 07, 2018

UpStream levels for DOCSIS 3.0, DOCSIS 3.1

Mia Colabrese2021-08-16T09:49:26-04:00July 23rd, 2018|

UpStream levels for DOCSIS 3.0, DOCSIS 3.1, Attenuations at Higher Frequencies, especially 204 MHz, FDX and how RPDs come into play Happy Friday Everyone. Today is July 20th and this is episode 41 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us is, John Downey, whose motto is - “Let’s Pump You Up”. John is also CMTS Technical Leader at Cisco Systems, welcome John. Today’s topic is Upstream levels for DOCSIS 3.0, DOCSIS

19 02, 2018

Cable Access SDN Orchestration

Mia Colabrese2021-08-16T10:15:44-04:00February 19th, 2018|

Cable Access SDN Orchestration Happy Friday Everyone. Today is February 16th and this is episode 36 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This a technology fan in cable. With us is, John Downey, “the prognosticator”. John is also CMTS Technical Leader at Cisco Systems, welcome John. And Tal Laufer a RavenClaw and also Director, Product Manager At ARRIS. In the News CableLabs Mac-PHY standard came out recently. We recently did a hangout out

22 01, 2018

R-PHY or Remote PHY – Doesn’t Matter How you Say It. The Hype is Real

Mia Colabrese2021-08-16T10:22:41-04:00January 22nd, 2018|

R-PHY or Remote PHY - Doesn't Matter How you Say It. The Hype is Real Happy Friday Everyone. Today is January 19th and this is episode 35 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This a Geek in cable. With us is, John Downey, “Punxsutawney Phil of cable”. John is also CMTS Technical Leader at Cisco Systems, welcome John. Asaf Matatyaou of Harmonics the man in cable who runs at the speed of light.

4 12, 2017

Remote-PHY and Full Duplex DOCSIS

Mia Colabrese2020-07-01T15:40:40-04:00December 4th, 2017|

Show Me The Money! Remote-PHY and Full Duplex DOCSIS Doesn’t the cable industry just love initialisms and acronyms? Just as you thought you were getting your mind around DOCSIS 3.1 the industry continues to move forward and drop a bunch more terms like remote-PHY (R-PHY) and full duplex (FDX) DOCSIS. I like soup, but we need a decoder ring for the alphabet soup we are eating. Don’t get me wrong, this is great stuff and awesome technology. CableLabs recently updated the DOCSIS 3.1 PHY specification to include FDX.