In Honor of Earth Day: CableLabs and Kyrio Offices Now Powered by 100% Renewable Energy

At CableLabs, we pride ourselves on our commitment to sustainability in every aspect of our work. At our headquarters in Louisville, Colorado we recently subscribed to Windsource, a program offered by Xcel Energy that ensures our office is powered by 100 percent renewable energy. Our engagement with Windsource was part of a broader discussion with Xcel in which we also signed a Memorandum of Understanding (MOU) to participate in the company’s Strategic Energy Management program. This program is a 24-month commitment with the objective of better understanding and managing our energy usage.

The Kyrio test lab and offices are also…


CableLabs Announces the Convergence Council

Motivational speaker, Jim Rohn is known for saying, “What is powerful is when what you say is just the tip of the iceberg of what you know.” For an organization like CableLabs, the challenge morphs into something quite monumental when the goal is to enable convergence across multiple industries and technologies that have been progressing independently of one another.

So, CableLabs is trying something new this year.

As part of our ecosystem expansion program, CableLabs has created the Convergence Council that will be hosted by CableLabs’ Chief Research and Development Officer (CRDO) Mariam Sorond. The Convergence Council is an advisory…


CableLabs Announces the Mobile Convergence Committee: User-Centric Networks of the Future Need a Fresh Look at Convergence

Over the next decade, we expect the industry to undergo a significant transformation as service providers deploy multiple access technologies and as new connectivity choices become available to users. To enable transparent, seamless connectivity for users and to efficiently leverage their assets, networks need to become more user-centric. User centricity will demand a more holistic architecture that converges the independent, siloed networks we currently use, thereby enabling a more seamless and optimized experience at home, at work, on the go and in the air. …


Set-Top Box Voluntary Agreement Tightens Energy Allowances and Extends Term

CableLabs, CTA and NCTA are pleased to announce that the award-winning Set-Top Box Voluntary Agreement (STB VA) has been extended by four years, along with introducing a new tier of allowances that will reduce energy consumption of set-top boxes by at least another 20 percent.

The STB VA has been a true success story since it was established in 2012. In the first seven reporting years, the STB VA has saved U.S. residential video consumers a total of 55.1 TWh and over $7 billion in electricity bills. …


CableLabs is pleased to announce that, for the first time, a DOCSIS® 3.1 specification-compliant cable modem that includes the Low Latency DOCSIS (LLD) set of features has become CableLabs Certified. This announcement represents a major milestone on the path toward 10G because LLD support is key to improving latency on DOCSIS networks, and improving latency is one of the pillars of 10G.

Starting with Certification Wave (CW) 134 in January, all DOCSIS 3.1 cable modems submitted for CableLabs certification are required to include support for the LLD feature set. Our Kyrio subsidiary recently finished testing the Motorola MG8725 from Minim…


This month, we continue our CableLabs 101 series by peeling back the next layer of the hybrid fiber-coax (HFC) distributed access network with a recently released specification called Flexible MAC Architecture (FMA). This technology isn’t as well known as DOCSIS®, Remote PHY or Coherent Optics, but it’s just as essential to make 10G a reality in the near future. Let’s take a closer look.

What Is FMA?

Without getting too technical, a big part of what we do involves analyzing how things work. We like to take things apart and see how we can reorganize or alter the components to build better, more…


In our previous CableLabs 101 post about Distributed Access Architecture (DAA), we discussed the benefits of distributing key network functions throughout the cable access network to optimize its performance. Today, we delve deeper into Remote PHY-one of the earliest DAA solutions that cable operators are deploying to increase their network’s bandwidth and more.

What Is Remote PHY?

PHY stands for “ physical radio frequency (RF) layer,” which delivers voice, video and data via the DOCSIS® protocol over the hybrid fiber-coax (HFC) network. Media Access Control (MAC) is an example of another CCAP layer that we’ll cover in our next CableLabs 101 post.

Prior to…


As working from home and remote schooling remain the norm for most of us, we wanted to build on and extend our prior investigation of the bandwidth usage of popular video conferencing applications. In this post, we examine the use of video conferencing applications over a broadband service of 50 Mbps downstream and 5 Mbps upstream (“50/5 broadband service”). The goal remains the same, looking at how many simultaneous conferencing sessions can be supported on the access network using popular video conferencing applications. As before, we examined Google Meet, GoToMeeting, and Zoom, and this time we added Microsoft Teams and…


This month, we’d like to share information about Distributed Access Architecture (DAA) and how cable operators are using it to build the 10G networks of the future. In our previous posts about DOCSIS® and Coherent Optics technologies, we touched on some of the components of the cable hybrid fiber-coax (HFC) network, such as the headend and fiber nodes, but of course, there’s much more to it. Today, we’ll take a closer look at the functionality of the cable access network and how it can be distributed between various components to optimize network performance.

What Is Distributed Access Architecture?

DAA isn’t a single technology but rather…


At CableLabs, staying at home during the COVID-19 pandemic has resulted in new ways of collaborating that have helped us continue to build technologies that will deliver internet speeds 10 times faster than today’s networks. The trek to 10G started in 2019, as we began working with our members to create the technologies that build the 10G network.

This week, we announced significant advancements made in 2020 toward the realization of 10G. A sampling of our technical achievements over this past year includes DOCSIS® 4.0 technology, Intelligent Wireless Network Steering (IWiNS), Flexible MAC Architecture specifications, our leadership in the development…

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