3GPP TSG RAN WG4 Electronic Meeting Summary
Explore the latest updates from the 3GPP TSG-RAN-WG4 #98-e Electronic Meeting on R16 RRM enhancements, including SRS Carrier switching, CGI reading, and mandatory MG patterns presented by ZTE Corporation. The discussions revolve around core maintenance, test configurations, and test cases related to SRS carrier switching. Discover details on CGI reading with autonomous gaps and the value for T321 in CGI reading. Stay informed about the latest advancements in the telecommunications sector.
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Presentation Transcript
3GPP TSG-RAN WG4 #98-e Electronic Meeting, Jan. 25-Feb. 5, 2021 R4-2103609 WF on R16 RRM enhancement part 2 SRS Carrier switching, CGI reading, Mandatory MG patterns ZTE Corporation
Way Forward - Core Maintenance Remove interruption requirements for SRS carrier based switching between different frequency ranges.
Way Forward - Test configurations Specify SRS configuration in Annex A.3. Set the parameter usage to antennaSwitching in SRS configuration. The parameter applies to aperiodic SRS case only
Way Forward - Test cases Do not define test cases for SRS carrier-based switching between FR1 and FR2 in Rel-16. When defining test cases for SRS carrier switching, do not specify UE type in the tests.
Way Forward - Test cases There is no need to add additional FR1+FR2 CA tests for E-UTRAN NR interruptions at NR SRS carrier based switching NR PSCell in FR1, NR SCell in FR1, adding an NR SCell in FR2 NR PSCell in FR2, NR SCell in FR2, adding an NR SCell in FR1 E-UTRAN NR interruptions at E-UTRA SRS carrier based switching E-UTRA SCell, NR PSCell in FR1, adding an NR SCell in FR2 E-UTRA SCell, NR PSCell in FR2, adding an NR SCell in FR1
Way Forward - Test cases The below tests will not be added into SA interruptions at NR SRS carrier based switching for UE capable of/configured with per-FR gap. TC1: PCell in FR1, SCell in FR1, adding an SCell in FR2 TC2: PCell in FR2, SCell in FR2, adding an SCell in FR1
Way Forward Value for T321 in CGI reading with autonomous gap is 200ms. Do not count LTE power off time in CGI reading delay in both core requirements and test requirements.
Way Forward - Test cases Only interrupted slots are specified in test requirements of CGI reading test cases.
Way Forward Whether R16 UEs can skip some of R15 test cases Option 1: For the scenario which is without SSB time index detection and when DRX is not used, the Rel- 15 MG related test cases can be skipped if UE passes the Rel-16 new introduced MG related test cases for the same scenario. For other scenarios, no Rel-15 test cases can be skipped. Option 2: R15 test cases on mandatory gap patterns shall be inherited completely to R16 specifications, and R16 UEs shall pass all test cases.
