. . 1.24 BSC. BSC . BSC.
1.24 BSC.
BSC :
BSC
PCU GPRS, BSC, " D900/D1800", " PLMN GPRS ".
BSC . , , BSS. . .
- (), (MPCC), . , (TDPC), .
. - LAPD (PPLD), (OSI) 2 LAPD ( Abis Asub). SS7 (PPCC), SS7 2 MSC (- Asub-).
BSS (-) BSS (OMC-B). (LMT), BSC . (IXLT), () (MPCC) (&M) .25 , (LMT) .21/.11 , - (LAPB). (CBC) .
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(QTLP) (Abis‑) TRAU (Asub-) 2 /.
- 2/; - (); .
, - 8 8 / .
, QTLP Abis- Asub-.
(SN16) , 12 288 16 /, 23 8192 / ( ; 1 ) 4 2048 / ( ).
MPCC MSC . , , BTS , BSC, MSC.