MS . dawlink, MS . BS SACCH . BS, MS , .
. 9.8 , BSC
BS MS (Measurement Reports). , BSC . BSC , , . (locating).
, - , , .
(). , . MS .
MS , BS MS . , . MS LA, .
. MS , .
:
;
, BSC;
, BSC MSC/VLR;
MSC.
.
, BSC , , , , . BSC () , , MS .
: BSC . , , .
, BSC
MSC/VLR , BSC. MSC/VLR . LA, , .
9.9 , BSC
|
|
1 BCS BTS TCH.
2 BSC BTS MS , (TS) , . MS FACCH.
3 MS . MS , ( 8 ).
4 BTS , , , FACCH.
5 MS BSC BS.
6 BSC BTS .
, BSC, MSC/VLR
BSC, BSC MSC/VLR.
9.10 BSC, MSC/VLR
1 ( BSC) MSC , , ,.
2 MSC , BSC BSC.
3 BSC BTS .
4 BSC MS MSC BTS.
5 MS , .
6 BTS .
7 MS MSC BSC.
8 MSC BSC .
, MSC
, MSC, LMN. , MSC/VLR, , BSC.
9.11 MSC/VLR
1 () BSC MSC (MSC-A) .
2 MSC-A , MSC (MSC-B) .
3 MSC-B . BSC.
4 BSC BTS .
5 MSC-B MSC-A .
6 MSC-B PSTN.
7 MSC-A MS BSC.
8 MS .
9 BTS , ().
10 MS MSC BSC MSC.
11 MSC-A .
12 BSC, ( . 8.11 ).
MSC (MSC-A) , . , , .
|
|
MS , LA MSC. HLR VLR-B , VLR-B, , VLR-A .
GSM . , , , . .
, . , , , .