The first PCS technology used a form of time division multiplexing called ____.​ a. ​Time Division Multiple Access (TDMA) b. ​Global System for Mobile (GSM) Communications c. ​Code Division Multiple Access (CDMA) d. ​Digital-Advanced Mobile Phone Service (D-AMPS)

Respuesta :

Answer:

A. Time Division multiple Access (TDMA)

Explanation:

Time-division multiple access (TDMA) is a channel access method for shared-medium networks

It allows several users to share the same frequency channel by dividing the signal into different time slots. The users transmit in rapid succession, one after the other, each using its own time slot.