What GSM course would you recommend to a beginner?

Question

mobile connection

Hello.
What course or materials can be studied to get a basic understanding of how mobile networks work.
It is desirable that this be conveyed in an understandable language (for people who are completely unfamiliar with this from the word).
It is possible both free and paid, with the certificate and without.

For some reason, he could not dig up anything on this issue.

Answer 1

Courses are a tax on stupidity.
On GSM, you can read Oliferov's "Computer Networks", there it is written about GSM simply point by point.

Answer 2

not courses, of course, but you can find suitable articles like this: go to habr.com, write GSM in the search - we are looking for a suitable article - profit. After spending a couple of minutes, I found this:
https://habr.com/ru/post/82757/
https://habr.com/ru/company/beeline/blog/239753/
https://habr.com/ru/post /268127/