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Content for
TR 23.729
Word version: 15.0.0
1…
4…
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
6.3.1
Description
6.3.2
Impacts on existing nodes and functionality
6.3.3
Solution Evaluation
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
6.8.1.1.1
Accounting of data volumes
6.8.1.2
Reporting of data volumes
6.8.1.2.1
Reporting of data volume to the SGW via the MME
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
6.10.1
Description
6.10.2
Impacts on existing nodes and functionality
6.10.3
Solution Evaluation
6.11
Solution #11: Secondary RAT identification and Secondary RAT data usage reporting (merge of solutions 4 and 8)
6.11.1
Description
6.11.1.1
Reporting of data volume to the SGW via the MME
6.11.2
Impacts on existing nodes and functionality
Word‑p. 36
6.11.3
Solution Evaluation
7
Overall Evaluation
Word‑p. 37
8
Conclusions
$
Change History
Word‑p. 38