Content for TR 23.839 Word version: 12.0.0
5 Building Block I p. 12
5.1 Architecture p. 12
5.1.1 Architectural requirements and assumptions for building block I p. 12
5.1.2 Architecture for building block I BBF interworking via WLAN access connection p. 12
5.1.2.1 Architecture reference model p. 12
5.1.2.2 Network Elements p. 21
5.1.2.3 Reference Points p. 22
5.1.3 Architectures for H(e)NB interworking p. 22
5.1.3.1 Architecture Alternative 1 - H(e)NB specific policies p. 22
5.1.3.1.1 General Principles p. 22
5.1.3.1.2 Non-Roaming p. 23
5.1.3.1.3 Roaming - Home Routed Traffic p. 24
5.1.3.1.4 Roaming - Visited Access/LBO p. 24
5.1.3.1.5 Interworking functions p. 24
5.1.3.1.6 Reference Points p. 26
5.1.3.1.7 H(e)NB PF Selection p. 27
5.1.3.2 Architecture Alternative 2 - Femto Architecture Diagrams p. 27
5.1.3.2.1 General p. 27
5.1.3.2.2 Non-Roaming p. 28
5.1.3.2.3 Roaming - Home Routed Traffic p. 28
5.1.3.2.4 Roaming - Visited Access/LBO p. 29
5.1.3.3 Architecture Alternative 3 - H(e)NB specific policies p. 30
5.2 Policy and QoS interworking between 3GPP and BBF architectures p. 34
5.2.1 Description p. 34
5.2.2 Solution p. 34
5.2.3 Conclusion p. 46
5.3 Interworking between 3GPP and BBF architectures for authentication, including identities, when WLAN is used p. 47
5.4 IP flow mobility support in BBF accesses p. 48
5.5 Procedures for the case when WLAN is being used p. 49
5.5.1 Procedures for untrusted WLAN with traffic routed back to the EPC with S2b p. 49
5.5.1.1 Initial Attach with PMIPv6 on S2b p. 49
5.5.1.1a Initial Attach with GTP on S2b p. 51
5.5.1.2 UE/ePDG-initiated Detach Procedure and UE-Requested PDN Disconnection with PMIPv6 on S2b p. 53
5.5.1.2a UE/ePDG-initiated Detach Procedure and UE-Requested PDN Disconnection with GTP on S2b p. 54
5.5.1.3 HSS/AAA-initiated Detach Procedure with PMIPv6 on S2b p. 55
5.5.1.3a HSS/AAA-initiated Detach Procedure with GTP on S2b p. 56
5.5.1.4 E-UTRAN to Untrusted Non-3GPP IP Access Handover with PMIPv6 on S2b p. 57
5.5.1.4a E-UTRAN to Untrusted Non-3GPP IP Access Handover with GTP on S2b p. 59
5.5.1.5 UE-initiated Connectivity to Additional PDN with PMIPv6 or GTP on S2b p. 60
5.5.1.6 Network-Initiated Dynamic PCC for S2b when accessing over BBF access p. 61
5.5.1.6a PGW-Initiated Dynamic PCC for GTP based S2b when accessing over BBF access p. 63
5.5.1.6b HSS-Initiated Subscribed QoS Modification for GTP based S2b when accessing over BBF access p. 63
5.5.1.7 PDN GW initiated Resource Allocation Deactivation with S2b PMIPv6 when accessing over BBF Access Network p. 64
5.5.1.7a PDN GW initiated Resource Allocation Deactivation with S2b GTP when accessing over BBF Access Network p. 66
5.5.1.8 Handover without ePDG relocation for PMIPv6 based S2b p. 67
5.5.1.8a Handover without ePDG relocation for GTP based S2b p. 68
5.5.1.9 IPSec tunnel modified within the same untrusted BBF WLAN IP Accesses with PMIPv6 based S2b p. 69
5.5.1.9a IPSec tunnel modified within the same untrusted BBF WLAN IP Accesses with GTP based S2b p. 70
5.5.1.10a Dedicated bearer activation with GTP on S2b p. 70
5.5.2 Procedures for trusted BBF WLAN with traffic routed to the EPC with S2c p. 71
5.5.2.1 Initial Attach with DSMIPv6 on S2c to trusted BBF access p. 71
5.5.2.2 UE-initiated Detach Procedure and UE-Requested PDN Disconnection with DSMIPv6 on S2c in trusted BBF access p. 73
5.5.2.3 HSS-initiated Detach Procedure with DSMIPv6 on S2c in trusted BBF access p. 74
5.5.2.4 PDN GW-initiated PDN disconnection Procedure with DSMIPv6 on S2c in trusted BBF access p. 74
5.5.2.5 E-UTRAN to Trusted BBF access Handover with DSMIPv6 on S2c p. 75
5.5.2.6 Network-Initiated Dynamic PCC for DSMIPV6 on S2c when accessing trusted BBF access p. 77
5.5.2.7 UE-Initiated Connectivity to Additional PDN with DSMIPv6 on S2c over trusted BBF access p. 78
5.5.3 Procedures for untrusted BBF WLAN with traffic routed to the EPC with S2c p. 79
5.5.3.1 Initial Attach with DSMIPv6 on S2c to untrusted BBF access p. 79
5.5.3.2 UE-initiated Detach Procedure and UE-Requested PDN Disconnection with DSMIPv6 on S2c in untrusted BBF access p. 80
5.5.3.3 HSS-initiated Detach Procedure with DSMIPv6 on S2c in untrusted BBF access p. 82
5.5.3.4 PDN GW-initiated PDN disconnection Procedure with DSMIPv6 on S2c in untrusted BBF access p. 83
5.5.3.5 E-UTRAN to untrusted BBF access Handover with DSMIPv6 on S2c p. 83
5.5.3.6 Network-Initiated Dynamic PCC for S2c when accessing untrusted BBF access p. 85
5.5.3.7 UE-Initiated Connectivity to Additional PDN with DSMIPv6 on S2c over untrusted BBF access p. 86
5.6 H(e)NB interworking architecture alternative 1 p. 87
5.6.1 Procedures p. 87
5.6.1.1 H(e)NB power on p. 88
5.6.1.2 UE initial attach and Idle-to-Active transition whilst on H(e)NB p. 89
5.6.1.3 Idle mode mobility onto H(e)NB p. 89
5.6.1.4 Bearer Activation / Modification / Deactivation p. 90
5.6.1.5 Inter H(e)NB mobility p. 91
5.6.1.6 Mobility to macro network p. 92
5.6.1.7 UE Attach without HeNB GW p. 93
5.6.1.8 CS call establishment p. 94
5.6.1.9 UE detach and Active-to-Idle transition whilst on H(e)NB p. 95
5.6.1.10 H(e)NB policy function initiated bearer Deactivation p. 96
5.7 H(e)NB interworking architecture alternative 2 p. 96
5.8 H(e)NB interworking architecture alternative 3 p. 104
5.8.1 General p. 104
5.8.2 Procedures p. 105
5.9 Comparison of 3GPP LTE Femto Architecture Options p. 113
5.9.1 General p. 113
5.9.2 Comparison p. 115
5.10 3GPP Femto Architecture Decision p. 117
5.10.1 3GPP HNB procedure p. 118
5.11 Conclusions p. 121
