@mictael: Have you tried the suggestions listed in this thread?
I had the exact same issues as yourself, but after disabling WiFi power saving, and upgrading to kernel 3.10 (previously 3.9) I've not had any further major issues with WiFi or connectivity.
In fact, I dare say - WiFi power saving excepted - this is now my favourite notebook I've ever owned...
@mictael: Have you tried the suggestions listed in this thread?
I had the exact same issues as yourself, but after disabling WiFi power saving, and upgrading to kernel 3.10 (previously 3.9) I've not had any further major issues with WiFi or connectivity.
In fact, I dare say - WiFi power saving excepted - this is now my favourite notebook I've ever owned...