By Larry Wolcott — I was recently sorting through some old notebooks and stumbled across a few pages that were dated 2009. The drawings and formulas were the early conception of our PNM (proactive network maintenance) signature matching algorithm.
Read More
By Jason Rupe — CableLabs went into high gear with proactive network maintenance (PNM) not long ago and has big plans for the future of PNM. Success will rely on the cable community’s strong focus on furthering PNM in several directions.
Read More
By Ed Marchetti — I was surprised when reminded that PNM has been “a thing” for almost 10 years. It seems almost like yesterday when we were seeing this for the first time and wondering about the future of cable maintenance.
Read MoreBy Jeff Finkelstein — For anyone who has been in cable a long time, for some of us a very long time, we remember how challenging it was to troubleshoot plant impairments in the headend and field. Not just in finding and correcting, but in dealing with the equipment we used in the day.
Read MoreBy Harj Ghuman and Nick DiPonzio — Continuous in-service (with traffic present) optical time domain reflectometer (OTDR) monitoring of the outside optical plant is an extension of proactive network maintenance (PNM) that will enhance network reliability and minimize network downtime.
Read More
By Jack Burton – Could OTT From Unexpected Places Herald The End Of Television As We Know It? There are many who say television is experiencing its second “Golden Age.” More content is available than ever before, from a growing list of sources.HY (R-MAC/PHY).
Read MoreBy Patricio Latini – For many years, traditional hybrid fiber/coax (HFC) networks required significant infrastructure to launch service in a new market.
Read More
By Sam Khola – When Teleste and SOFC.nl Holding walked off with awards in the Adaptive Power Challenge at SCTE•ISBE Cable-Tec Expo, it was the culmination of a months-long competition that was designed to spur innovation around reducing energy usage by cable system operators.
Read More
By Dr. Alexander C. Adams – The cable industry is at a turning point. Conceptualized as classic delivery platforms for analog video signals, broadband systems have been leveraged into flexible IP networks over the years to meet increasing customer demands.
Read More
By Paul Fonte – In just a few years, network functions virtualization (or NFV, for short) has matured from a trendy buzz word into a hallmark of next-generation network architecture. This new technology is rapidly re-shaping how our industry operates and delivers services to customers
Read More