Content for TR 23.865 Word version: 12.1.0
5 Key Issues p. 8
5.1 Key Issue #1: Support WLAN access through roaming agreements p. 8
5.1.1 Description p. 8
5.2 Key Issue #2: Delivery of consistent information for WLAN network selection p. 9
5.3 Key Issue #3: Applicability of I-WLAN network selection p. 10
5.3.1 Description p. 10
5.3.2 Required functionality p. 10
5.4 Key Issue #4: Use WLAN load information for network selection p. 10
5.4.1 Description p. 10
5.4.2 Required functionality p. 11
5.5 Key Issue #5: Interaction between WLAN network selection and network-provided policies for WLAN selection p. 11
5.5.1 Description p. 11
5.5.2 Required functionality p. 11
5.6 Key Issue #6: Simultaneous connectivity to multiple VPLMNs p. 11
5.6.1 Description p. 11
5.6.2 Required functionality p. 13
5.7 Key Issue #7: Use WLAN Access Network Type and Venue Information for network selection p. 13
5.7.1 Description p. 13
5.7.2 Required functionality p. 14
5.8 Key Issue #8: Use Connection Capability during WLAN network selection p. 14
5.8.1 Description p. 14
5.8.2 Required functionality p. 14
5.9 Key issue #9: How can a UE discover WLANs having S2a connectivity to a given PLMN? p. 14
5.9.1 Description p. 14
5.9.2 Required functionality p. 14
6 Solutions p. 14
6.1 Solution #1: ANDSF Policies with Extended Selection Preferences p. 15
6.1.1 Description p. 15
6.1.2 Impacts on existing nodes or functionality p. 15
6.1.3 Evaluation p. 15
6.2 Solution #2: ANDSF policies used in (V)-PLMN p. 15
6.2.1 Description p. 15
6.2.2 Impacts on existing nodes or functionality p. 16
6.2.3 Evaluation p. 16
6.3 Solution #3: WLAN selection based on ANDSF rules p. 16
6.3.1 Overview p. 16
6.3.2 WLAN selection based on ANDSF rules p. 18
6.3.3 Selection of active ISMP/ISRP rule p. 19
6.3.4 Preferred Service Providers List p. 19
6.4 Solution #4: ANDSF-based enhanced I-WLAN selection procedure p. 20
6.4.1 Overview p. 20
6.4.2 Selection of Active ISMP/ISRP rule and WLANSP rule p. 20
6.4.3 Preferred Service Providers List p. 20
6.4.4 WLAN and PLMN selection based on WLANSP and PSLP p. 21
6.4.5 Summary p. 21
6.4.6 Impacts on existing nodes or functionality p. 21
6.4.7 Evaluation p. 22
6.5 Solution #5: Provide both HS2.0 MO and ANDSF MO to the UE p. 22
6.5.1 Relation to key issues and other solution alternatives p. 22
6.5.2 Description p. 22
6.5.3 Impacts on existing nodes or functionality p. 23
6.5.4 Evaluation p. 23
6.6 Solution #6: ANDSF MO enhanced with policies related to information elements available in HS2.0 Release 1 p. 24
6.6.1 Relation to key issues and other solution alternatives p. 24
6.6.2 Description p. 24
6.6.3 Impacts on existing nodes or functionality p. 25
6.6.4 Evaluation p. 25
6.7 Solution #7: ANDSF MO includes instances of the HS2.0 MO p. 26
6.7.1 Relation to key issues and other solution alternatives p. 26
6.7.2 Description p. 27
6.7.3 Impacts on existing nodes or functionality p. 28
6.7.4 Evaluation p. 28
6.8 Solution #8: Load and QoS information for network selection p. 29
6.8.1 Description p. 29
6.8.2 Impacts on existing nodes or functionality p. 29
6.8.3 Evaluation p. 29
6.9 Solution #9: ANDSF Policies with WLAN load information p. 30
6.9.1 Description p. 30
6.9.2 Impacts on existing nodes or functionality p. 30
6.9.3 Evaluation p. 30
6.10 Solution #10: WLAN selection based on WLANSP rules p. 30
6.10.1 Overview p. 30
6.10.2 Selection of active rules p. 31
6.10.3 Interactions between active rules p. 32
6.10.4 WLAN Selection based on WLANSP p. 33
6.10.5 Preferred Service Provider List p. 33
6.11 Solution #11: ANDSF policies with WLAN connection capability information p. 34
6.11.1 Description p. 34
6.11.2 Impacts on existing nodes or functionality p. 34
6.11.3 Evaluation p. 34
6.12 Solution #12: ANDSF MO enhanced with HS2.0 MO components and with policies related to information elements available in HS2.0 Release 1 p. 34
6.12.1 Relation to key issues and other solution alternatives p. 34
6.12.2 Description p. 35
6.12.3 Impacts on existing nodes or functionality p. 35
6.12.4 Evaluation p. 35
6.13 Solution #13: Enabling WLAN network selection without using Hotspot 2.0 dependent policies p. 36
6.13.1 Relation to key issues and other solution alternatives p. 36
6.13.2 Description p. 36
6.13.3 Impacts on existing nodes or functionality p. 37
6.13.4 Evaluation p. 37
6.14 Solution #14: H-ANDSF only provides realms corresponding to S2a connectivity p. 37
6.14.1 Description p. 37
6.15 Solution #15: H-ANDSF provides UE with an indication on whether S2a connectivity to the HPLMN is required p. 38
6.15.1 Description p. 38
6.15.2 How to inform the UE that it should select a WLAN with S2a connectivity with its HPLMN? p. 38
6.16 Solution #16: Extension of ANQP with per-PLMN S2a connectivity information p. 38
7 Evaluation p. 39
8 Conclusions p. 39
A WLAN selection overview p. 41
$ Change history p. 45
