5G, 6G and beyond

How I understand 5G, 6G and the next wave of connectivity

Notes on mobile systems, standards, network evolution, and the odd corners of telecom that deserve clearer writing.

June 19, 2025 · eSIM, GSMA, SIM

eSIM Alert: GSMA Shuts Down All TS.48 Test Profiles

Disclosure Notice: If you are a researcher and find any vulnerability in GSMA standards, you are encouraged to report it responsibly through their CVD program . The GSMA published TS.48 v7.0 this week, with an official…
April 20, 2025 · 6G

Visions of 6G: Highlights from the 3GPP 6G Workshop

In our previous post , we explored the evolution from 4G to 5G and how the telecom industry is now gearing up for the next leap: 6G. And at the recent 3GPP 6G Workshop in Korea (Incheon, March 10-11), key industry…
April 15, 2025 · 6G

The Road to 6G: How We Got Here and What Comes Next

It’s a good time to talk about what 6G might look like. 3GPP just held a workshop in Korea last month to discuss perspectives on 6G, and there are some great documents coming from the very people making it, the 3GPP…
April 14, 2025 · Meta

Why This Blog: 6G For Humans, For Machines, And For You

Now that machines know and explain everything, I thought it might be a good time to start writing notes for humans . Great timing, right? Maybe only machines will ever read this, you never know. If I’m lucky, I’ll get…
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