. , . , ,
. .
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, . .
, . .
. . 2.5 . . 2.5 , , . , .
. 2.5 -
, , . , /. /, GSM 270 /.
, GSM 900 . , , (, , ), , .
:
.
, : , . . , .
: 1 /. 1 . , 200 /, 200 . , 1 / 1 . GSM Gaussian Minimum Shift Keying (GMSK) , 270 / 200 .
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GSM , /. . .
GSM GMSK . , ( NMT-450).
2.1.10. : (TDMA)
(Time Division Multiple Access - TDMA) .
TDMA / . , . TS - time slots. MS TS uplink, downlink. , TS, (burst).
TDMA GSM 8 . , GSM 8 . . 2.6 TDMA.
. 2.6 TDMA