🚀 go-pugleaf

"Sylvia Else" <sylvia@not.at.this.address> wrote in message 
news:429fc45b$0$5180$afc38c87@news.optusnet.com.au...
>
>
> Jeremy Quirke wrote:
>
>> It's not like your plane is going to fall out of the sky. You don't 
>> seriously believe people don't accidentally leave their phones on anyway 
>> in aircraft EVERY SINGLE DAY, and I haven't had any Boeings in my 
>> backyard recently.
>
> No - it never was really about safety, it's because the mobile phone 
> networks can't cope with rapidly moving phones in line-of-sight of 
> hundreds of phone towers at the same time.
>
> Sylvia.

You're completely mistaken. I can see no technical reason in GSM (what the 
majority of phones in Australia use) why that would happen. Firstly, in 
order to initiate activity on the network, the phone must move between 
location areas, which are comprised of hundreds of BTS (base stations). Only 
then does this trigger Location Update. Furthermore, the MS needs to be able 
to synchronize quickly to the BTS' BCCH in an area before it can even 
consider a LA (or even know what LA it is in, since it must decode the 
appropriate SYSTEM INFORMATION message). Synchronization (network search 
times) are quite slow on GSM. Next, even if the MS were to attempt a 
location update, this would likely fail very quickly - the network would 
probably not hear the CHANNEL REQUEST bursts or timing advance issues would 
mean the connection attempt would soon fail.

-JQ