, , , , . , , 1, 0. :
, 0, 1
- , :
( )
, , , , , . :
FDMA (Frequency Division Multiple Access ) , , .
TDMA (Time Division Multiple Access ) - , . , - ( ), .
TDMA ; . , , , . , .
TDMA , .
, TDMA , . , , SMS, , , .
, TDMA, , ( 1/3 1/10 ).
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CDMA (Code Division Multiple Access ) - , , . CDMA , , .
CDMA ( ), , : . ( FH - Frequency Hopping) : (), , .
, , , .
, , . , . , .