microcells - Maxwell
microcells - Maxwell
microcells - Maxwell
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• They lend themselves to time-and codedivision<br />
multiplexing schemes, which can<br />
be more flexible than the frequency-division<br />
multiplexing used in analog systems.<br />
• Digital signals are easier to switch: in fact,<br />
most of the switching of analog telephone<br />
signals, including AMPS cellular telephony,<br />
is done digitally after analog-to-digital<br />
conversion.