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gerrit.osmocom.org / osmo-iuh / 6c5fd7535dd8e6612428fb90024d3d6548c63dac / . / doc / protocols_around_hnbgw.txt
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Neels Hofmeyr6c5fd752016-01-14 13:05:49 +0100[diff] [blame^]1Protocols Around the Home Node B Gateway
2========================================
Neels Hofmeyr0e801042016-01-11 14:49:55 +0100[diff] [blame]3
4 +------------+ +--------+ +----------+
5 UE <-->| hNodeB |<--Iuh---->| HNB-GW |<--IuCS-->| OsmoCSCN |
Neels Hofmeyr6c5fd752016-01-14 13:05:49 +0100[diff] [blame^]6 UE <-->| femto cell | ...-->| | ...-->| |
7 | | | | +----------+
Neels Hofmeyr0e801042016-01-11 14:49:55 +0100[diff] [blame]8 +------------+<--GTP-U | |
9 \ | | +------+ +------+
10 | | |<--IuPS-->| SGSN |<--GTP-C-->| GGSN |
Neels Hofmeyr6c5fd752016-01-14 13:05:49 +0100[diff] [blame^]11 | +--------+ ...-->| | GTP-U-->| |
12 | +------+ / +------+
Neels Hofmeyr0e801042016-01-11 14:49:55 +0100[diff] [blame]13 \_______________________________/
14
15
16
17 Iuh IuCS/IuPS
18
19NAS +----+----+ +----+----+
20Non-Access Stratum | CC | MM | | CC | MM |
21- - - - - - - - - - - +----+----+-------+ +----+----+
22 | RANAP | | H | RANAP |
23Access Stratum +---------+ HNBAP | N +---------+ - - SCCP USER SAP
24 | RUA | | B | SUA | \
25 +---------+-------+ - +---------+ |
26 | SCTP | G | SCTP | } SIGTRAN
27 +-----------------+ W +---------+ |
28 | IP | | IP | /
29 +-----------------+ +---------+
30
31
32Various SIGTRAN implementations:
33
34 IuCS/IuPS
35 usual
36 | simplest
37 | |
38 v v
39 +------+------+------+-----+
40 | SCCP | SCCP | | |
41 +------+------+ SCCP | |
42 | MTP3 | MTP3 | | |
43 +------+------+------+ SUA |
44 | MTP2 | | | |
45 +------+ M2UA | M3UA | |
46 | M2PA | | | |
47 +------+------+------+-----+
48 | SCTP |
49 +--------------------------+
50 | IP |
51 +--------------------------+
52
53UE (User Endpoint) == MS (Mobile Subscriber) == mobile device
54CSCN (Circuit Switched Core Network) == OsmoNITB without BSC
55