Content for TR 23.729 Word version: 15.0.0
4 Key Issues
5 Architectural Requirements
6 Solutions
7 Overall Evaluation
8 Conclusions
$ Change History
4 Key Issues
4.1 Key Issue #1: Unlicensed spectrum identification handling in EPS
4.2 Key Issue #2: Unlicensed spectrum identification handling for IMS
4.3 Key Issue #3: Unlicensed data usage reporting activation/deactivation Word‑p. 8
4.4 Key Issue #4: Unlicensed spectrum data usage reporting mechanisms
4.5 Key Issue #5: Secondary RAT Restriction feature handling in EPS
4.6 Key Issue #6: Unlicensed spectrum charging handling
5 Architectural Requirements Word‑p. 9
6 Solutions
6.1 Solution #1: Use of Bearer RAT type IE per bearer for unlicensed spectrum identification
6.1.1 Description
6.1.2 Impacts on existing nodes and functionality Word‑p. 11
6.1.3 Solution Evaluation
6.2 Solution #2: Reporting of secondary RAT
6.2.1 Description
6.2.2 Impacts on existing nodes and functionality Word‑p. 12
6.2.3 Solution Evaluation Word‑p. 13
6.3 Solution #3: Capability indication from RAN
6.4 Solution #4: Capability indication from RAN Word‑p. 14
6.4.1 Description
6.4.2 Impacts on existing nodes and functionality Word‑p. 15
6.4.3 Solution Evaluation
6.5 Solution #5: Unlicensed data usage reporting activation/deactivation taking node capability into account
6.5.1 Description
6.5.2 Impacts on existing nodes and functionality Word‑p. 16
6.5.3 Solution Evaluation Word‑p. 17
6.6 Solution #6: uplink marking and downlink counters in RAN
6.6.1 Description
6.6.1.1 General
6.6.1.2 Procedures6.6.1.2.1 Initial Attach Word‑p. 19
6.2.1.2.2 UE requested PDN connectivity Word‑p. 21
6.2.1.2.3 Dedicated bearer activation Word‑p. 22
6.2.1.2.4 S1-based handover Word‑p. 24
6.2.1.2.5 S1 release procedure Word‑p. 25
6.2.1.2.6 UE or MME requested PDN Disconnection Word‑p. 26
6.6.2 Impacts on existing nodes and functionality Word‑p. 27
6.6.3 Solution Evaluation Word‑p. 28
6.7 Solution #7: Enforce Secondary RAT Restriction at the eNB
6.7.1 Description
6.7.2 Impacts on existing nodes and functionality Word‑p. 30
6.7.3 Solution Evaluation
6.8 Solution #8: Data volume collection and reporting from RAN
6.8.1 Description
6.8.1.1 RAN accounting and reporting of data volume transmitted over primary and secondary cells. Word‑p. 31
6.8.1.2 Reporting of data volumes
6.8.2 Impacts on existing nodes and functionality Word‑p. 32
6.8.3 Solution Evaluation
6.9 Solution #9: Data Usage Reporting and the reporting mechanisms Word‑p. 33
6.9.1 Description
6.9.2 Impacts on existing nodes and functionality Word‑p. 34
6.9.3 Solution Evaluation
6.10 Solution#10 for Key Issue #6: Unlicensed spectrum handling in PCC Word‑p. 35
6.11 Solution #11: Secondary RAT identification and Secondary RAT data usage reporting (merge of solutions 4 and 8)
7 Overall Evaluation Word‑p. 37
8 Conclusions
$ Change History Word‑p. 38
