Content for TS 29.212 Word version: 17.3.0
4a Gxx reference points
4a.1 Overview
4a.2 Gxx Reference model
4a.3 Quality of Service Control Rules
4a.4 Functional elements
4a.5 PCC procedures over Gxx reference points
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4a Gxx reference points |R8| p. 77
4a.1 Overview p. 77
4a.2 Gxx Reference model p. 77
4a.3 Quality of Service Control Rules p. 77
4a.4 Functional elements p. 79
4a.4.1 PCRF p. 79
4a.4.2 BBERF p. 79
4a.5 PCC procedures over Gxx reference points p. 80
4a.5.1 Gateway control and QoS Rules Request p. 80
4a.5.2 Gateway control and QoS Rules Provision p. 81
4a.5.2.1 Overview p. 81
4a.5.2.2 Support for DSCP marking of downlink packets at the TDF |R13| p. 83
4a.5.3 Gateway Control Session Termination p. 83
4a.5.4 Request of Gateway Control Session Termination p. 83
4a.5.5 QoS Control Rule error handling p. 83
4a.5.6 Gateway Control session to Gx session linking p. 83
4a.5.7 Multiple BBF support p. 85
4a.5.7.1 General |R10| p. 85
4a.5.7.2 Handling of two BBFs associated with the same IP-CAN session during handover |R10| p. 85
4a.5.7.3 Handling of multiple BBFs with flow mobility within IP-CAN session |R10| p. 86
4a.5.8 Provisioning of Event Triggers p. 87
4a.5.9 Bearer Control Mode Selection p. 87
4a.5.10 Provisioning and Policy Enforcement of Authorized QoS p. 88
4a.5.10.1 Provisioning of authorized QoS for the Default EPS Bearer p. 88
4a.5.10.2 Policy enforcement for authorized QoS of the Default EPS Bearer p. 88
4a.5.10.3 Provisioning of authorized QoS per APN p. 88
4a.5.10.4 Policy provisioning for authorized QoS per service data flow p. 89
4a.5.10.5 Policy enforcement for authorized QoS per service data flow p. 89
4a.5.10.6 Policy provisioning and enforcement of authorized QoS for service data flows that share resources |R13| p. 89
4a.5.11 Trace activation/deactivation p. 89
4a.5.12 IMS Emergency Session Support p. 89
4a.5.12.1 PCC procedures for Emergency services over Gxx reference point |R9| p. 89
4a.5.12.1.1 Gateway control and QoS Rules request for Emergency services p. 89
4a.5.12.1.2 Provisioning of QoS Rules for Emergency services p. 90
4a.5.12.2 Gateway Control Session to Gx session linking |R9| p. 90
4a.5.12.3 Removal of QoS Rules for Emergency Services |R9| p. 91
4a.5.12.4 Termination of Gateway Control session for Emergency Services |R9| p. 91
4a.5.13 Time of the day procedures |R9| p. 91
4a.5.14 Multimedia Priority Support |R10| p. 92
4a.5.14.1 PCC Procedures for Multimedia Priority services over Gxx reference point p. 92
4a.5.14.1.1 Provisioning of QoS Rules for Multimedia Priority Services p. 92
4a.5.14.1.2 Invocation/Revocation of Priority EPS Bearer Services p. 93
4a.5.14.1.3 Invocation/Revocation of IMS Multimedia Priority Services p. 93
4a.5.14.1.4 Invocation/Revocation of Multimedia Priority Services for DTS |R17| p. 93
4a.5.15 PCRF Failure and Restoration |R10| p. 93
4a.5.16 Reporting Access Network Information |R11| p. 93
4a.5.17 Resource reservation for services sharing priority |R13| p. 94
4a.5.18 Support for QoS rule versioning |R14| p. 95
4a.5.19 Extended bandwidth support for EPC supporting Dual Connectivity (E-UTRAN and 5G NR) |R15| p. 96
