Both CDMA and its main alternative in this country _ time division multiple access, or TDMA, chosen by AT & T Wireless _ process calls digitally.
22.
Both CDMA and its main alternative in this country _ time division multiple access, or TDMA, chosen by AT & AMP; T Wireless _ process calls digitally.
23.
Cingular, a joint venture of BellSouth Corp . and SBC Communications Inc ., is moving toward GSM but still uses TDMA ( Time Division Multiple Access ).
24.
But Sprint uses a technology known as CDMA ( Code Division Multiple Access ), while Cingular uses a different method, TDMA ( Time Division Multiple Access ).
25.
The access method used for IS-54 is Time Division Multiple Access ( TDMA ), which was the first U . S . digital standard to be developed.
26.
Time Division Multiple Access or TDMA was initially defined by the IS-54 standard and is now specified in the IS-13x series of specifications of the EIA / TIA.
27.
The uplink consists of a multi-frequency time division multiple access ( MF-TDMA ) scheme where individual uplink spotbeams are assigned frequency channels out of the satellites frequency band.
28.
The Time Division Multiple Access ( TDMA ) technology uses the interim standard IS 136, which Ericsson said will form the basis for personal communications via cellular networks.
29.
IDEN supports either three or six interconnect users ( phone users ) per channel, and six dispatch users ( push-to-talk users ) per channel, using time division multiple access.
30.
The complexity of the separation process depends on the complexity of the transmission methods ( e . g ., hopping or time division multiple access ( TDMA ) ).