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import message sequence charts (ladder diagrams) for RUA/RANAP/NAS

This commit is contained in:
Harald Welte 2015-12-31 12:49:02 +01:00
parent a575ebfd0f
commit 09806e7da4
7 changed files with 403 additions and 0 deletions
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45
doc/hnb_cs_lu.msc Normal file
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msc {
hscale = "3";
ue,hnb,hnbgw,cn;
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (MM LOC UPD REQ)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (MM LOC UPD REQ))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (MM LOC UPD REQ))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in LU or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (MM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ];
hnb => ue [ label = "RRC (MM AUTH REQ)" ];
ue >> hnb [ label = "RRC (MM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM LOC UPD ACC))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (MM LOC UPD ACC))" ];
hnb >> ue [ label = "RRC (MM LOC UPD ACC)" ];
}

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doc/hnb_cs_mo_call.msc Normal file
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msc {
hscale = "3";
ue,hnb,hnbgw,cn;
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (CM SERV REQ)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM SERV REQ))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM SERV REQ))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (MM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ];
hnb => ue [ label = "RRC (MM AUTH REQ)" ];
ue >> hnb [ label = "RRC (MM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CM SERV ACC))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (CM SERV ACC))" ];
hnb >> ue [ label = "RRC (CM SERV ACC)" ];
ue box ue [ label = "subscriber A dials a call" ];
ue => hnb [ label = "RRC (CC SETUP)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CC SETUP))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CC SETUP))" ];
cn box cn [ label = "Signalling towards B subscriber via ISUP, SIP, ..." ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CC ALERTING))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CC ALERTING))" ];
hnb => ue [ label = "RC (CC ALERTING)" ];
--- [ label = "Assignment of Voice Channel" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP RAB Assign Cmd)" ];
hnbgw => hnb [ label = "RUA DT (RANAP RAB Assign Cmd)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP RAB Assign Rsp)" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP RAB Assign Rsp)" ];
cn box cn [ label = "subscriber B picks up the ringing call" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CC CALL CONF))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CC CALL CONF))" ];
hnb => ue [ label = "RRC (CC CALL CONF)" ];
cn box ue [ label = "Voice channel open" ];
ue box ue [ label = "subscriber A hangs up" ];
ue => hnb [ label = "RRC (CC DISCONNECT)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTranfer (CC DISCONNECT))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTranfer (CC DISCONNECT))" ];
cn box hnb [ label = "RAB Release or Iu Release" ];
}

67
doc/hnb_cs_mo_sms.msc Normal file
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msc {
hscale = "3";
ue,hnb,hnbgw,cn;
ue box ue [ label = "subscriber A sends text message" ];
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (CM SERV REQ)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM SERV REQ))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM SERV REQ))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (MM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ];
hnb => ue [ label = "RRC (MM AUTH REQ)" ];
ue >> hnb [ label = "RRC (MM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CM SERV ACC))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (CM SERV ACC))" ];
hnb >> ue [ label = "RRC (CM SERV ACC)" ];
ue => hnb [ label = "RRC (CP-DATA (RP-DATA (SMS SUBMIT)))" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS-SUBMIT))))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS-SUBMIT))))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK)" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-ACK)" ];
hnb => ue [ label = "RRC (CP-ACK)" ];
cn box cn [ label = "MAP MO Forward SM to IWMSC / SMSC" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DATA (RP-ACK)" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-ACK)" ];
hnb => ue [ label = "RRC (CP-DATA (RP-ACK)" ];
ue => hnb [ label = "RRC (CP-ACK)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-ACK))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK))" ];
cn box hnb [ label = "RAB Release or Iu Release" ];
}

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doc/hnb_cs_mt_call.msc Normal file
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msc {
hscale = "3";
ue,hnb,hnbgw,cn;
cn box cn [ label = "subscriber A dials a call; signalling arrives at CN" ];
cn => hnbgw [ label = "SCCP UDT (RANAP Paging Command)" ];
hnbgw => hnb [ label = "RUA ConnectionlessTransfer (RANAP Paging Command)" ];
hnb => ue [ label = "RRC Paging" ];
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (CM PAGING RESP)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM PAGING RESP))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM PAGING RESP))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (MM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ];
hnb => ue [ label = "RRC (MM AUTH REQ)" ];
ue >> hnb [ label = "RRC (MM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CM SERV ACC))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (CM SERV ACC))" ];
hnb >> ue [ label = "RRC (CM SERV ACC)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CC SETUP))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CC SETUP))" ];
hnb => ue [ label = "RRC (CC SETUP)" ];
ue => hnb [ label = "RC (CC ALERTING)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CC ALERTING))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CC ALERTING))" ];
cn box cn [ label = "Signalling towards A subscriber via ISUP, SIP, ..." ];
--- [ label = "Assignment of Voice Channel" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP RAB Assign Cmd)" ];
hnbgw => hnb [ label = "RUA DT (RANAP RAB Assign Cmd)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP RAB Assign Rsp)" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP RAB Assign Rsp)" ];
ue => hnb [ label = "RRC (CC CONNECT)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CC CONNECT))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CC CONNECT))" ];
cn box ue [ label = "Voice channel open" ];
ue box ue [ label = "subscriber B hangs up" ];
ue => hnb [ label = "RRC (CC DISCONNECT)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTranfer (CC DISCONNECT))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTranfer (CC DISCONNECT))" ];
cn box hnb [ label = "RAB Release or Iu Release" ];
}

67
doc/hnb_cs_mt_sms.msc Normal file
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@ -0,0 +1,67 @@
msc {
hscale = "3";
ue,hnb,hnbgw,cn;
cn box cn [ label = "subscriber A send a SMS; signalling arrives at CN" ];
cn => hnbgw [ label = "SCCP UDT (RANAP Paging Command)" ];
hnbgw => hnb [ label = "RUA ConnectionlessTransfer (RANAP Paging Command)" ];
hnb => ue [ label = "RRC Paging" ];
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (CM PAGING RESP)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM PAGING RESP))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM PAGING RESP))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (MM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ];
hnb => ue [ label = "RRC (MM AUTH REQ)" ];
ue >> hnb [ label = "RRC (MM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS DELIVER))))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS DELIVER))))" ];
hnb => ue [ label = "RRC (CP-DATA (RP-DATA (SMS DELIVER)))" ];
ue => hnb [ label = "RRC (CP-ACK)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-ACK))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK))" ];
ue => hnb [ label = "RRC (CP-DATA (RP-ACK)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-ACK)))" ];
hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DTA (RP-ACK)))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-ACK))" ];
hnb => ue [ label = "RRC (CP-ACK)" ];
cn box cn [ label = "MAP MT Forward SM to GMSC/SMSC" ];
cn box hnb [ label = "RAB Release or Iu Release" ];
}

45
doc/hnb_ps_lu.msc Normal file
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@ -0,0 +1,45 @@
msc {
hscale = "3";
ue,hnb,hnbgw,cn;
ue box hnb [ label = "Radio Channel Establishment" ];
ue => hnb [ label = "RRC (GMM IMSI ATTACH REQ)" ] ;
hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (GMM IMSI ATTACH REQ))" ];
hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (GMM IMSI ATTACH REQ))" ];
cn >> hnbgw [ label = "SCCP CC" ];
--- [ label = "Optional retrieval of IMSI (if not given in LU or retrived from VLR by TMSI)" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IDENTITY REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (GMM IDENTITY REQ))" ];
hnb => ue [ label = "RRC (GMM IDENTITY REQ)" ];
ue >> hnb [ label = "RRC (GMM IDENTITY RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (GMM IDENTITY RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IDENTITY RESP))" ];
--- [ label = "Mandatory activation of Integrity Protection" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ];
hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ];
--- [ label = "Optional Authentication" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM AUTH REQ))" ];
hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (GMM AUTH REQ))" ];
hnb => ue [ label = "RRC (GMM AUTH REQ)" ];
ue >> hnb [ label = "RRC (GMM AUTH RESP)" ];
hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (GMM AUTH RESP))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (GMM AUTH RESP))" ];
--- [ label = "Optional activation of Encryption" ];
cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ];
hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ];
hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ];
hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ];
cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IMSI ATTACH ACC))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (GMM IMSI ATTACH ACC))" ];
hnb >> ue [ label = "RRC (GMM IMSI ATTACH ACC)" ];
}

25
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@ -0,0 +1,25 @@
msc {
hscale="3", wordwraparcs="1";
ue,hnb,hnbgw,sgsn,ggsn;
ue box hnb [ label = "Radio Channel Establishment, possibly already done by IMSI ATTACH / RAU" ];
ue => hnb [ label = "RRC (SM PDP CTX ACT REQ)" ];
hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (SM PDP CTX ACT REQ))" ];
hnbgw => sgsn [ label = "SCCP DT1 (RANAP DirectTransfer (SM PDP CTX ACT REQ))" ];
sgsn => ggsn [ label = "GTP-C PDP CTX ACT REQ" ];
ggsn >> sgsn [ label = "GTP-C PDP CTX ACT ACK (IP+TEI of GGSN)" ];
sgsn => hnbgw [ label = "SCCP DT1 (RANAP Activate RAB Req (IP+TEI of GGSN)" ];
hnbgw => hnb [ label = "RUA DT (RANAP Activate RAB Req (IP+TEI of GGSN)" ];
hnb box ue [ label = "RAB Establishment" ];
hnb >> hnbgw [ label = "RUA DT (RANAP Activate RAB Resp (IP + TEI of HNB)" ];
hnbgw >> sgsn [ label = "SCCP DT1 (RANAP Activate RAB Resp (IP + TEI of HNB)" ];
sgsn => ggsn [ label = "GTP-C PDP CTX MOD REQ (IP + TEI of HNB)" ];
ggsn >> sgsn [ label = "GTP-C PDP CTX MOD RESP" ];
sgsn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (SM PDP CTX ACT ACK))" ];
hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (SM PDP CTX ACT ACK))" ];
hnb >> ue [ label = "RRC (SM PDP CTX ACT ACK))" ];
}