What OFCOM are proposing is the licensing of an on-board system so that SLF mobiles will talk to a box in the cabin which will then use a satellite system to pipe the signals to the usual phone network. This means that the signal transmitted will be much lower power than if it was trying to access the ground based cells.
Sounds good but which network will be provided?
If its not my network my phone may try to log into a normal terrestrial network at maximum power...
What failsafe is included so that when the cell controller in the aircraft goes U/S to stop a large number of SLF phones all trying to re-register with a terrestrial network at the same time (at maximum power)