| SDMA () | TDMA () | FDMA () | CDMA () | |
| ( ) | ( ) | |||
| - MS, (, , ) | MS | MS | MS , MS | MS , , .. MS - () |
| () | ó | |||
| , | , | , | , , - | |
| , , , | , | , | , MS | |
| FDMA, TDMA CDMA | , , SDMA FDMA | : TDMA - ; SDMA - | , FDMA TDMA |
CDMA , , .. . FDMA TDMA.
- (ARQ - Automatic Repeat Request);
- MS - CDMA;
- - TDMA ( - );
- : , ( ), ;
- :
, - ( ) 7- .
|
|
|
8- , :
- - , , - ;
- - (), - .
1G, 2G - :
-GSM 900 - Global System for Mobile communication - ;
-DCS-1800 - Digital Cellular System - ( );
-AMPS D-AMPS - ( : );
-NMT - "" , 450,0 (NMT 450);
-GPRS - - ETSI , GSM;
-3G - ;
-CDMA - (), CDMA , : CDMA -2000, Global CDMA1, Global CDMAII, UTRA, W-CDMA .. . ( 1995., ) CDMA, , . , .
