Neels Hofmeyr | af3252c | 2020-10-01 14:25:21 +0200 | [diff] [blame] | 1 | msc { |
| 2 | hscale="2"; |
| 3 | |
| 4 | ms[label="MS/BTS"],bsc[label="BSC"],smlc[label="SMLC"],__msc[label="MSC"]; |
| 5 | |
| 6 | ||| [label="Location Services (LCS): Perform Location Request using TA"]; |
| 7 | |
| 8 | |||; |
| 9 | --- [label="MS in DEDICATED MODE (currently active)"]; |
| 10 | |
| 11 | ms =>> bsc [label="earlier Measurement Report provides Timing Advance"]; |
| 12 | |
| 13 | bsc <<= __msc [label="PERFORM LOCATION REQUEST\n3GPP TS 48.008 3.2.1.71"]; |
| 14 | |
| 15 | bsc =>> smlc [label="BSSMAP-LE PERFORM LOCATION REQUEST\n3GPP TS 49.031 9.1\nwith BSSLAP APDU = TA Layer3\n3GPP TS 48.071 4.2.8"]; |
| 16 | |
| 17 | smlc rbox smlc [label="SMLC uses TA included in TA Layer3"]; |
| 18 | |
| 19 | bsc <<= smlc [label="BSSMAP-LE PERFORM LOCATION RESPONSE\n3GPP TS 49.031 9.2"]; |
| 20 | |
| 21 | bsc =>> __msc [label="PERFORM LOCATION RESPONSE\n3GPP TS 48.008 3.2.1.72"]; |
| 22 | |
| 23 | ...; |
| 24 | ...; |
| 25 | --- [label="MS in IDLE MODE (not connected)"]; |
| 26 | |
| 27 | bsc <<= __msc [label="PERFORM LOCATION REQUEST\n3GPP TS 48.008 3.2.1.71"]; |
| 28 | |
| 29 | bsc =>> smlc [label="BSSMAP-LE PERFORM LOCATION REQUEST\n3GPP TS 49.031 9.1"]; |
| 30 | |
| 31 | smlc rbox smlc [label="SMLC needs TA information,\nasks BSC via BSSLAP"]; |
| 32 | |
| 33 | bsc <<= smlc [label="BSSMAP-LE CONNECTION ORIENTED INFORMATION\n3GPP TS 49.031 9.12\nwith BSSLAP APDU = TA Request\n3GPP TS 48.071 4.2.1"]; |
| 34 | |
| 35 | |
| 36 | ms <<= bsc [label="RR Paging Request\n3GPP TS 48.018 9.1.22-24"]; |
| 37 | |
| 38 | ms =>> bsc [label="RSL CHANNEL REQUIRED\n3GPP TS 48.058 8.5.3\nincludes Access Delay (9.3.17) == Timing Advance"]; |
| 39 | |
| 40 | ms =>> bsc [label="RR Paging Response\n3GPP TS 48.018 9.1.25"]; |
| 41 | |
| 42 | ms <<= bsc [label="RF CHANNEL RELEASE\n3GPP TS 48.058 8.4.14"]; |
| 43 | |
| 44 | bsc =>> smlc [label="BSSMAP-LE CONNECTION ORIENTED INFORMATION\n3GPP TS 49.031 9.12\nwith BSSLAP APDU = TA Response\n3GPP TS 48.071 4.2.2"]; |
| 45 | |
| 46 | bsc <<= smlc [label="BSSMAP-LE PERFORM LOCATION RESPONSE\n3GPP TS 49.031 9.2"]; |
| 47 | |
| 48 | bsc =>> __msc [label="PERFORM LOCATION RESPONSE\n3GPP TS 48.008 3.2.1.72"]; |
| 49 | } |