blob: d603e5982e66f4d813f39412c0c459993b703436 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
{hscale=2}
ms = MS/BTS
bsc = BSC
smlc = SMLC
msc = MSC
bsc < msc PERFORM LOCATION REQUEST
3GPP TS 48.008 3.2.1.71
--- MS in IDLE MODE (not connected)
ms < bsc RR Paging Request
3GPP TS 48.018 9.1.22-24
ms > bsc RSL CHANNEL REQUIRED
3GPP TS 48.058 8.5.3
includes Access Delay (9.3.17) == Timing Advance
ms > bsc RR Paging Response
3GPP TS 48.018 9.1.25
ms < bsc RF CHANNEL RELEASE
3GPP TS 48.058 8.4.14
--- MS in DEDICATED MODE (currently active)
ms > bsc earlier Measurement Report provides Timing Advance
---
bsc > smlc BSSMAP-LE PERFORM LOCATION REQUEST
3GPP TS 49.031 9.1
Contains BSSLAP APDU with current TA value
smlc () . No TA Request needed, already know the TA
bsc < smlc BSSMAP-LE PERFORM LOCATION RESPONSE
3GPP TS 49.031 9.2
Returns same TA value
bsc > msc PERFORM LOCATION RESPONSE
3GPP TS 48.008 3.2.1.72
|