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@ -1,15 +1,22 @@
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Protocols Around the Home Node B Gateway
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========================================
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+------------+ +--------+ +----------+
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UE <-->| hNodeB |<--Iuh---->| HNB-GW |<--IuCS-->| OsmoCSCN |
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UE <-->| femto cell | ...-->| | ...-->| |
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| | | | +----------+
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+------------+<--GTP-U | |
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\ | | +------+ +------+
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| | |<--IuPS-->| SGSN |<--GTP-C-->| GGSN |
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| +--------+ ...-->| | GTP-U-->| |
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| +------+ / +------+
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+--------+
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,-->| Osmo |
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/ | MGCPGW |
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| | |<--MGCP
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| +--------+ \
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/ |
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+------------+<--RTP +--------+ `->+----------+
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UE <-->| hNodeB | | Osmo | | OsmoMSC | +------+
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UE <-->| femto cell |<--Iuh---->| HNB-GW |<--IuCS-->| | | Osmo |
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| | | | | (VLR)|<-GSUP->| HLR |
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| | | | +----------+ GSUP->+------+
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+------------+<--GTP-U | | /
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\ | | +------+<---' +------+
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| | |<--IuPS-->| Osmo |<--GTP-C--->| Open |
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| +--------+ | SGSN | GTP-U--->| GGSN |
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| +------+ / +------+
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\_______________________________/
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@ -51,5 +58,3 @@ Various SIGTRAN implementations:
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+--------------------------+
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UE (User Endpoint) == MS (Mobile Subscriber) == mobile device
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CSCN (Circuit Switched Core Network) == OsmoNITB without BSC
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