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Great study! Thanks for this Martin!

But I didn't understand- why would only site location be the most important cause of best vs. worst performer? Why not capacity- number of carriers, air if, Iub especially- and other end to end aspects of network design?


Hi Andy,

yes, all of that is obviously very important as well. But without having site first you cant do those. And getting a site up and running in the first place takes longest and must be one of the most expensive things. So I assumed they would have fewer ones.



I have got one question: Your measurements show that all networks "have pretty much the same number of cells". Are you distinguishing gsm and umts cells? Is it important to make that difference with regard to what you are looking at? Or doesn't it matter at all?


P.S. Thank you for this interesting blog. I read it frequently since I discovered it a few weeks ago.


Hello Johannes,

Good point! 95% of the cells monitored were UMTS cells, only in one or two places along my drive test path did the mobile drop to GSM (for all 4 network operators)

Kind regards,

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