osmo-iuh/doc/protocols_around_hnbgw.txt

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Protocols Around the Home Node B Gateway
========================================
+--------+
,-->| Osmo |
/ | MGCPGW |
| | |<--MGCP
| +--------+ \
/ |
+------------+<--RTP +--------+ `->+----------+
UE <-->| hNodeB | | Osmo | | OsmoMSC | +------+
UE <-->| femto cell |<--Iuh---->| HNB-GW |<--IuCS-->| | | Osmo |
| | | | | (VLR)|<-GSUP->| HLR |
| | | | +----------+ GSUP->+------+
+------------+<--GTP-U | | /
\ | | +------+<---' +------+
| | |<--IuPS-->| Osmo |<--GTP-C--->| Open |
| +--------+ | SGSN | GTP-U--->| GGSN |
| +------+ / +------+
\_______________________________/
Iuh IuCS/IuPS
NAS +----+----+ +----+----+
Non-Access Stratum | CC | MM | | CC | MM |
- - - - - - - - - - - +----+----+-------+ +----+----+
| RANAP | | H | RANAP |
Access Stratum +---------+ HNBAP | N +---------+ - - SCCP USER SAP
| RUA | | B | SUA | \
+---------+-------+ - +---------+ |
| SCTP | G | SCTP | } SIGTRAN
+-----------------+ W +---------+ |
| IP | | IP | /
+-----------------+ +---------+
Various SIGTRAN implementations:
IuCS/IuPS
usual
| simplest
| |
v v
+------+------+------+-----+
| SCCP | SCCP | | |
+------+------+ SCCP | |
| MTP3 | MTP3 | | |
+------+------+------+ SUA |
| MTP2 | | | |
+------+ M2UA | M3UA | |
| M2PA | | | |
+------+------+------+-----+
| SCTP |
+--------------------------+
| IP |
+--------------------------+
UE (User Endpoint) == MS (Mobile Subscriber) == mobile device