It stands for Time Division Multiple Access. It is a digital system which has some standards. TDMA is based upon time division multiplexing technology. This technology squeezes three calls onto a single 30 KHz transmission channel. In TDMA at time share approach number of users share a common carrier frequency so that to communicate with a base station.
Every call has allotted a separated time on a frequency and then it is transported from one cell to another cell. Data is transmitted from one cell to another cell. Data is transmitted within a from in the downstream or upstream.
This technology based upon divination of radio channel by which information are transmit in unique time slots while channel are unique. TDMA also operate with on existing channel structure.
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