| 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 |