Content for TR 23.839 Word version: 12.0.0
6 Building Block II
7 Building Block III
8 P4C Building blocks II: Policy and Charging Control for 3GPP UE terminals connected to Broadband Forum access network as Trusted network in Interworking scenario
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6 Building Block II p. 121
6.1 Architecture p. 122
6.1.1 Architecture for WLAN p. 122
6.1.1.1 Reference model p. 122
6.1.1.2 Architectural requirements and assumptions p. 128
6.1.1.3 PCRF and TDF discovery p. 128
6.1.1.4 Network Elements p. 129
6.1.1.5 Reference Points p. 129
6.1.1.6 Charging p. 129
6.1.2 Architecture for Femto p. 129
6.2 Policy and QoS p. 130
6.2.1 QoS interworking solution p. 130
6.2.2 S9a procedures for offloaded traffic p. 130
6.2.2.1 General p. 130
6.2.2.2 Non-Roaming and Roaming Procedures p. 131
6.3 Procedures WLAN p. 133
6.3.1 Attach and handover flows with or without simultaneous attach to EPC p. 133
6.3.2 Network-Initiated Dynamic Policy Control for offloaded traffic p. 135
6.3.3 UE or NW detach procedure p. 136
6.3.4 Dynamic ADC Rules provisioning p. 137
6.4 Procedures Femto p. 137
6.5 Conclusions p. 137
7 Building Block III p. 138
7.1 Scenarios p. 138
7.2 Architecture p. 138
7.2.1 Requirements and assumptions p. 138
7.2.1.1 QoS Support at the Service Data Flow Level p. 139
7.2.1.2 Event-Trigger Provisioning and Detection p. 139
7.2.1.4 Charging p. 139
7.2.2 Reference architecture p. 139
7.2.3 Network Elements p. 144
7.2.4 Reference Points p. 145
7.2.4.1 Gxd Reference Point p. 146
7.3 Convergent Policy and QoS p. 146
7.3.1 Policy and charging control rule p. 146
7.3.2 Gating p. 147
7.3.3 PCRF discovery and selection p. 147
7.4 Procedures for fixed access p. 147
7.4.1 General p. 148
7.4.2 Provisioning Default QoS for fixed access session p. 148
7.4.2a IP-CAN Session Establishment p. 148
7.4.3 PCRF Initiated IP-CAN Session Modification p. 149
7.4.4 BNG/PCEF Initiated IP-CAN Session Modification p. 150
7.4.5 BNG/PCEF initiated IP-CAN Termination p. 151
7.4.6 Update of the subscription information in the PCRF p. 153
7.5 Procedures for WLAN p. 153
7.5.1 Functional Description and Procedures for Fixed Broadband Access network over untrusted S2b p. 153
7.5.2 Functional Description and Procedures for Fixed Broadband Access network over trusted S2c p. 153
7.5.3 Functional Description and Procedures for Fixed Broadband Access network over untrusted S2c p. 154
7.5.4 Functional Description and Procedures for Non-seamless WLAN offload p. 154
7.6 Procedures for 3GPP H(e)NB connected to BBF access p. 154
8 P4C Building blocks II: Policy and Charging Control for 3GPP UE terminals connected to Broadband Forum access network as Trusted network in Interworking scenario p. 154
8.1 Architectural requirements and assumptions p. 154
8.2 Key issues p. 154
8.3 Alternative Solutions p. 155
8.3.1 Alternative 1 - GTP Based S2a Solution p. 155
8.3.1.1 General principles p. 155
8.3.1.2 Reference architecture p. 155
8.3.1.3 Reference points p. 158
8.3.1.4 Policy and QoS p. 158
8.3.1.4.1 General assumptions p. 158
8.3.1.4.2 Location information provided over S2a-GTP to PGW, p. 159
8.3.1.5 Procedures p. 159
8.3.2 Alternative 2 - PMIP based S2a Solution p. 164
8.3.2.1 General principles p. 164
8.3.2.2 Reference architecture p. 165
8.3.2.3 Reference points p. 167
8.3.2.4 Policy and QoS p. 167
8.3.2.5 Location information provided over S2a-PMIP to PGW p. 168
8.3.2.6 Procedures p. 168
8.3.3 Alternative 3 - Policy and QoS control via S9a p. 170
8.3.3.1 General principles p. 170
8.3.3.2 Reference architecture p. 170
8.3.3.3 Reference points p. 173
8.3.3.4 Policy and QoS p. 173
8.3.3.5 Procedures p. 174
8.3.3.5.1 General p. 174
8.3.3.5.2 Initial Attach/Gateway control session establishment over S9a p. 174
8.3.3.5.3 Detach or PDN disconnection / PCRF initiated Gateway control session termination procedure over S9a p. 176
8.3.3.5.4 PCRF initiated Gateway control and QoS rule provisioning procedure over S9a p. 176
8.3.3.5.5 BPCF initiated Gateway control and QoS rule request procedure over S9a p. 177
8.4 Evaluation of alternatives p. 178
8.5 Conclusions p. 178
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