My 6G-Kickoff

Since 2018, I’ve been working in the area of putting 5G into practice. Back then, early versions of the 3GPP Release 15 specification had become available and equipment vendors started shipping first hardware and software. The standards were not developed overnight, however, but were preceded by visions, ideas, studies, and trials by at least half … Continue reading My 6G-Kickoff

Verizon: The End Of Circuit Switching – The End Of An Era

Most cellular network operators around the world still have a circuit switched core network today for voice and SMS services for their 2G/3G access networks. There are a few exceptions like one operator in India that launched with an LTE-only VoLTE network a few years ago. But apart from a few, that is the status … Continue reading Verizon: The End Of Circuit Switching – The End Of An Era

The Sigfox Arduino – Part 3 – Sigfox Network Basics

After test driving the Mkrfox 1200 Arduino with Sigfox functionality on board and giving an introduction to programming in the previous two parts it’s time now to have a closer look at some of the basic parameters of a Sigfox network to get an idea of the capabilities and constraints, what that means for devices … Continue reading The Sigfox Arduino – Part 3 – Sigfox Network Basics

The Sigfox Arduino – Part 1 – First Impressions

After reading about the MKRFOX 1200 Arduino with built in Sigfox connectivity and a 2 year subscription for 50 Euros (including VAT and shipping), I ordered one right away and was pleasantly surprised that it arrived only a few days later. This and the following posts document my first impressions and give a basic overview … Continue reading The Sigfox Arduino – Part 1 – First Impressions