Tổng quan về mạng GSM docx

Created by Phung
Truong Tho
Created by Phung
Truong Tho
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5=">=?=@%A"%2A@>@=7@B@CBộ định danh thiết bị di động quốc tế
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5I=?I@AA=7@B@CBộ định danh Cell
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Created by Phung
Truong Tho
 !"!#$!#%$%&'(!)!*"

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IMEI là một dãy số quốc tế duy nhất được cấp cho phần cứng của MS khi chế tạo. Nó được đăng ký bởi nhà điều hành mạng và
(không bắt buộc) được lưu trong AuC cho những mục đích phê duyệt.
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Khi một thuê bao đăng ký với nhà điều hành mạng, một bộ định danh IMSI được cấp và lưu trong SIM của MS. Một MS chỉ có
đầy đủ chức năng khi nó được hoạt động với một SIM hợp lệ chèn trong một MS với IMEI hợp lệ.
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Một bộ đình danh TMSI được cấp để bảo vệ nhận diện thực sự (IMSI) của một thuê bao. Nó được cấp và lưu trong VLR (không
phải trong HLR) khi việc gán IMSI được diễn ra hay việc cập nhật vùng định vị (LA) diễn ra. Tại MS nó được lưu trong SIM
của MS. TMSI được cấp chỉ có hiệu lực trong LA cụ thể.
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MSISDN thể hiện số ‘thực’ hay số ‘quay’ phù hợp với thuê bao. Nó được ấn định cho thuê bao bởi nhà điều hành mạng khi
đăng ký và được lưu ở SIM. Mỗi MS có thể giữ nhiều số MSISDN, mỗi số thích hợp với một dịch vụ khác nhau.
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MSRN là tạm thời, số ISDN phụ thuộc vị trí được cấp bởi VLR bố mẹ tới tất cả các MS bên trong vùng nó chịu trách nhiệm. Nó
được lưu trong VLR và kết hợp với HLR mà không phải trong MS. MSRN được cấp bởi MSC VLR-liên đới để gọi định tuyến
trong vùng dịch vụ MSC/VLR.
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Mỗi vùng định vị trong PLMN có một bộ định danh duy nhất quốc tế thích hợp (LAI). LAI được phát quảng bá đều đặn bởi các
BTS trên kênh điều khiển quảng bá (BCCH), do đó mỗi cell được nhận diện duy nhất với một LA thích hợp.
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CI là một bộ định danh được ấn đinh cho mỗi cell bên trong mạng. Tuy nhiên, CI chỉ duy nhất tron gmootj vùng định vị cụ thể.
Khi kết hợp với LAI cho LA thích hợp của nó, bộ nhận diện ô toàn cầu (GCI) được tạo ra với tính quốc tế duy nhất.
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Mỗi BTS được cấp một mã nhận diện duy nhất, BSIC và được sử dụng để phân biệt với các BTS láng giềng.
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Created by Phung
Truong Tho
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Truong Tho
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Truong Tho
5
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Truong Tho
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5
VGFAc'L7,A.X*)AZ%32%78AJ8%e8JK)AZ2L"!I*
K#$0%"!I7,A.A3878%8.8%e8XX
]'•…8VGF#a782+8\YYX*<"!I]"!I^/
8VGFcAJ,,/KA.#
5
6\j)2ƒ%"!Oe'e8XX#U%d32%
*%7X\2'8';7,A.8*‚<7X\]"!I/9/
VGF:<UGFcAJ,,'(8YYVGF#
5
1.#$)j!+;+h7%"=
5
"!I8J`)…UGF32%8JK38OA/%2)
+(<32%8#
5

1/#$)j!);7%"h6%"=
5
%7.8JK'[7\3O87,A.A3<X*78<.)AZ32%#
DX\*8JK<32%78A)1AYY%%2e
\\#vO4K8],X*)87,A.#
5
VGF/%UGFOX*788JK)AZ2LJ`'9).YY
X*AY:<';AJ88#UGF[<VGF)7,A.8O4K
7X\<32%78#!8UGFiX%VGFJ<2…'(81ZX*32%#
5
E,87,A.Oj)32%7837X\\O];8
';7,A.8*‚%32%,;';32%2X82L0
)X#
FF
Created by Phung
Truong Tho
5
10#$)j!;+h+=
5
a787O„e"!I<e%';]\
O%8JK(.8O\7A3A#V\8*8,"!I)%87,A.8O
L%O_%8#!%8O%8JK%],"!I'•%
8/8O2%.3%7.H#a2)+8JK,
78-7X\2)+9!I:]@%J<]%7.8JK'[7\8O
2),"!I\\78"!I%8J%<!I#
5
11#$)j!*;+h"=
5
%7.8JK'[7\,"!I>=F8O%87,A.]8O>=FOjY
=">=A8JK„78#

5
12#$)j!;6%"h6%"=
5
a/32%78O8„eVGF<e\81ZX*'•7y#6
\O2%&'(\&ˆ"=;';Y(„VGF^#
5
1k#$)j!7;7%"h#+=
5
aUGFY3%Y(•7,A.%32%78/,7,
A.3#UGF'•37,A.„HI# %0'[7\8O7,A.3%7.A
/)g#
5
1Z#$)j!'<;h=
5
%7.,"!$!!8JKj8X%'@@pkps3ghY !"#
FF
Created by Phung
Truong Tho
,
E,7X\8JK<.2L !"7(3,7X\8J`;8X=!DE]7%8]J<
=!DE]7X\ !"8JKMA%'C

DX\9$@@!@@':

DX\y/
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DX\2'
63,]'•j@j€,7X\7,A..9l :8JK<.2L !"2%
&C
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D,A.O9I!DCI!R@7D:

D,A.\\\/9Q!!DCQ'@7!A@@!@@D:
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DX\2)+9!"!C!%"@''@!@@:
,+3?lF
I7X\%
I7X\
G"E
23%G"E
" !" "/ "8;
62X
8
;
62X
8
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62X
8
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Created by Phung
Truong Tho
DX\)1,,3%28J`#E,7X\
   @% ) , 7X \ y / 8OT8O# E, 0 1 ) JL A{  9=m‰C
=@R%‰%':A8O%X*,7X\ !"G"E<,7X\;8X9J
!6Eu=!DE:#E,7X\y/iA8OT8OJ`/';<=m‰#
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I7X\8JK/)LA<NTM/W!=


D,7.07\8JKO/';,2X8;

I7X\8JK8';79$!jj:

I7X\7,A..8JK8Xf% !"2%&C

D,A.O/8&29$!lNTlo:

D,A.O8&29$!MNTMk:

6YHD9$!kNTko:

7,A.9$!sNTsM:

6%7,A.A-39$!oN:

6%‚7,A.9$!qN:
)?l<
I7X\ !"<7X\88O7,A.X- !"#I
8JK8zJ01A<N<M%/W!=rA<#
I)7X\7,A.O39$!lN?Mk:O9$!kNTsM:88JK4K#E,
7X\7,A.8JK„Y/8&2<HD9$!kNTkk:(„Y
8&29$!sNTsM:#
Il87X\8JK8j8A6/';96'@?6://
';9E%T6'@?E6:#I8/';;O3,6>/8
=m‰#IJ`;82/88JK2)%.i2L‰>I9‰%R7>%I%@%:#I7X\L
8//';8JK2)%.2L2)%.A4l%7./'[7\ %0A3
/9F7%G%%%A?FG:# %0;L"!I'[7\2)%.A4Ae$>I#I8
//';8J8J`8YcJ;827,A.c'%<8
/';#

Created by Phung
Truong Tho
+3mi?l<
"47X\8JKj8X72…8d*]2%&C

G%7X\97,A.]HD]w:

I98&2]/8&2:

6;829MppTNkkpp2':

I89/';]//';:

6)96/7,A./<9Q@'@7D=B%%?QD=:
M#NUŠ:
E,7X\lNTsM8JK-…c/';/<
9QD=:M#NUŠ#vO2.iA%823%
G"E‹JA%%01A38JK2'#
vO2.^A7,A.8JKO'%Jc8Jc<,*-
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