Re: Question about cell phone interference

Hello, I'm curious about something:

"The rest of the time
(13.3 msec) other cell phones will transmit. Because the transmitter
is only on 1/3 of the time, it must transmit at 3 times the power
level that would be needed if continuous non-TDMA waveforms were being
used. In the case of GSM, the duty cycle is 1/8 and the burst rate is
a little over 200 Hz. Of course, the GSM signal has a peak power 8
times higher than the average power."

Why does the transmitter have to transmit at 3 times the power because
it's only on a 3rd of the time?

Thanks!

M.


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ChaosThyre81