Lumia series and antenna problems - true?

Hello
Just found a very odd recently made study of mobile phones antenna performance. It seems to be serious science, but the results are most definitely not in Lumia's favor. Actually Lumia 925 is rated as the phone with the worst results - which seems ludicrous to me. It's the first I've heard of antenna problems with the series. Can anyone confirm or deny problems with the antenna on recent Lumia models? What are your experiences?
http://erhvervsstyrelsen.dk/file/435579/Mobile_Phone_Antenna_Performance_2013.pdf    

It is normal for the signal bars on the phone to fluctuate as it jumps between different cell towers, and both the cell towers and the phone adjust their transmit power all the time. Different phones have different behaviour of the signal indicator. The actual antenna performance can only be measured in a controlled environment, like the nerds from Aalborg University do in the PDF link in the first post.
In real life the antenna performance of my Lumia 720 is on par with my N8. In poor coverage they both give up in the same places. The behaviour selecting 2G or 3G is different though, since the N8 favour 2G when talking while walking or driving, where the Lumia always want to hang on to 3G whenever possible.
Regarding the Aalborg University antenna test, these people are independent and serious about what they do.
Please read the whole PDF, so you'll see that the poor performance is only when held in a phantom hand towards a phantom head, in the right hand, as seen in the cover picture, and that it mainly affects the GSM900 (2G) frequency band, on the devices tested at the time.
Hans

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