4.2.17 EFLOCI (Location Information)
31.1023GPPCharacteristics of the Universal Subscriber Identity Module (USIM) applicationRelease 17TS
This EF contains the following Location Information:
‑ Temporary Mobile Subscriber Identity (TMSI);
‑ Location Area Information (LAI);
‑ Location update status.
See clause 5.2.5 for special requirements when updating EFLOCI.
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Identifier: ‘6F7E’ |
Structure: transparent |
Mandatory |
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SFI: ‘0B’ |
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File size: 11 bytes |
Update activity: high |
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Access Conditions: READ PIN UPDATE PIN DEACTIVATE ADM ACTIVATE ADM |
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Bytes |
Description |
M/O |
Length |
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1 to 4 |
TMSI |
M |
4 bytes |
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5 to 9 |
LAI |
M |
5 bytes |
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10 |
RFU |
M |
1 byte |
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11 |
Location update status |
M |
1 byte |
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‑ TMSI
Contents:
Temporary Mobile Subscriber Identity.
Coding:
according to TS 24.008 [9].
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B8 |
b7 |
b6 |
b5 |
b4 |
B3 |
b2 |
b1 |
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MSB |
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‑ LAI
Contents:
Location Area Information.
Coding:
according to TS 24.008 [9].
Byte 5: first byte of LAI
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b8 |
b7 |
b6 |
b5 |
b4 |
b3 |
b2 |
b1 |
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MSB |
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‑ Location update status
Contents:
status of location update according to TS 24.008 [9].
Coding:
Byte 11:
Bits: b3 b2 b1
0 0 0 : updated.
0 0 1 : not updated.
0 1 0 : PLMN not allowed.
0 1 1 : Location Area not allowed.
1 1 1 : reserved.
Bits b4 to b8 are RFU (see TS 31.101 [11]).