North American TDMA (NA-TDMA) is a digital cellular system [22] [23] [24] sometimes called American digital cellular (ADC) or digital AMPS (DAMPS), or North American digital cellular (NADC) or IS-54 ...
The analog cellular system was a successful model in wireless communication and led to the digital cellular systems with several evolutions from FDMA to TDMA and to CDMA as of ... as well as the ...
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