What Is an AAU in Cellular Networks?

A little off the beaten path on this one. We are diving into a big part of a Cellular tower deployment. Many sites now use an Active Antenna Unit, or AAU. The radio and the antenna are built into the same enclosure. An AAU combines the antenna, radio transceivers, power amplifiers, and low-noise amplifiers into … Read more

Packets Down Range #10:Youtube, NFL, Comcast and more

A small milestone, issue #10. The weather outside is quite frightening. The wind chill is -37 here in Indiana. I want to extend a Happy Holidays greeting to everyone. Merry Christmas and Happy Hanukkah Perfect time to catch up on documentation and the newsletter. Submit any news here. Data Center & Cloud News •Meta believes … Read more

Packets Down Range #9:Lumen, Cloud, 800GB switches. Sponsors needed

Welcome to issue #9 of Packets Down Range. I am a little behind because a deer decided to jump in front of my car on a recent trip to Texas. There wasn’t much damage, but almost all the airbags were deployed, which caused the car to be a total loss. As a result, I am … Read more

The ever-evolving service provider

Some of you may have noticed a subtle difference in the title. In many of my previous posts and articles, wISP was written as WISP. Note the capitalization of W. This represents a shift from Wireless Internet Service Providers (WISPs) becoming a more hybrid approach to service delivery. What does this mean? Are Wireless providers … Read more

Full LTE Architecture explanation

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon Unlock with PatreonAlready a qualifying Patreon … Read more