Re: Serious flaw in 3G iPhone discovered - fixable I doubt it Larry wrote:
> Ever notice how hot a Sellphone gets when you are not standing in full view
> of a tower that's some distance away, causing the cell to crank up your
> controllable output power to maximum so it can hear you on the shared
> channel with the other 24 users (CDMA) on that channel. LEVEL is very
> important on shared channel schemes.
CDMA Course 101 -
1) CDMA does not have a fixed number of channels.
2) Output power level is determined by the noise floor.
GSM Course 101 -
1) 24 users per channel.
2) Power level is fixed fixed.
> (hey, I taught electronics for 20 years!)
Okaaaayyyyyyyyyy..... |