10 CSI reporting requirements for interworking
38.521-43GPPNRPart 4: PerformanceRadio transmission and receptionRelease 17TSUser Equipment (UE) conformance specification
10.1 General
This clause specifies CSI performance requirements for EN-DC, NE-DC, inter-band NR-DC between FR1 and FR2, and inter-band NR CA between FR1 and FR2.
The definition of frequency ranges (FR1 and FR2) are specified in table 5.1-1 of TS 38.101-3 [4].
For conformance testing involving FR2 test cases in this specification, the UE under test shall be pre-configured with UL Tx diversity schemes disabled to account for single polarization System Simulator (SS) in the test environment. The UE under test may transmit with dual polarization.
10.1.1 Applicability of requirements
The following applicability rules are specified for demodulation performance requirements for interworking:
– For UEs supporting NR/5GC, EN-DC and NE-DC,
– The performance requirements specified in Clause 6 will be verified only for NR/5GC mode.
– The performance requirements specified in Clause 8 will be verifiedonly for NR/5GC mode.
– The FR1 EN-DC test cases with the NR TDD DL-UL configurations which are not aligned with LTE’s can be tested on the corresponding EN-DC band combinations where UE supports simultaneous transmission and reception.
– For UEs supporting NR-DC including FR1 and FR2, if the FR2 requirements in Clause 8.2, Clause 8.3 and Clause 8.4 are tested, the test coverage can be considered fulfilled without executing requirements in Clause 10.2B.2, Clause 10.3B.2 and Clause 10.4B.2.
– For UEs supporting NE-DC, the test coverage of CSI reporting requirements can be considered fulfilled, if the CSI reporting requirements in Clause 6 are executed for UE under test in the standalone mode.
– For UEs supporting NGEN-DC, the test coverage of CSI reporting requirements can be considered fulfilled, if the CSI reporting requirements in Clause 6 are executed for UE under test.
– For UEs supporting EN-DC including FR2 and/or EN-DC including FR1 and FR2, the requirements applicability is specified in Table 10.1.1-1.
Table 10.1.1-1: Requirements applicability for UEs supporting EN-DC including FR2 and/or EN-DC including FR1 and FR2
|
Supported scenarios |
CQI requirements |
PMI requirements |
RI requirements |
|
EN-DC including FR2 |
Clause 10.2B.1.2 |
Clause 10.3B.1.2 |
Clause 10.4B.1.2 |
|
EN-DC including FR1 and FR2 |
Clause 10.2B.1.3 |
Clause 10.3B.1.3 |
Clause 10.4B.1.3 |
|
Both EN-DC including FR2 and EN-DC including FR1 and FR2 |
Clause 10.2B.1.2 |
Clause 10.3B.1.2 |
Clause 10.4B.1.2 |
10.1.1.1 Applicability of requirements for optional UE features
10.1.1.2 Applicability of requirements for mandatory UE features with capability signalling
The applicability rule defined in Clause 6.1.1.4 shall be applied for performance requirements in Clauses 10.2B.1.1, 10.3B.1.1 and 10.4B.1.1.
The applicability rule defined in Clause 8.1.1.4 shall be applied for performance requirements in Clauses 10.2B.1.2, 10.3B.1.2 and 10.4B.1.2.
10.2 Void
10.2A Reporting of Channel Quality Indicator (CQI) for CA
FFS
10.2B Reporting of Channel Quality Indicator (CQI) for DC
10.2B.1 EN-DC
10.2B.1.1 EN-DC within FR1
The NR CQI requirements and test case details for this test case are specified in Section 6.2.
During the test, only the CQI requirements on the NR cell shall be verified.
10.2B.1.2 EN-DC including FR2 NR carrier
The NR CQI requirements and test case details for this test case are specified in Section 8.2.
During the test, only the CQI performance on the NR cell(s) on FR2 carriers shall be verified.
10.2B.1.3 EN-DC including FR1 and FR2 NR carriers
The CSI performance requirements are verified according to section 10.2B.1.1 for EN-DC with FR1 NR carrier only and section 10.2B.1.2 for EN-DC with FR2 NR carrier only.
During the test for EN-DC with FR2 NR carriers, only the CSI performance requirements on the FR2 carriers are verified.
No CSI requirement for FR1 NR or LTE carriers is specified for EN-DC including FR2 carrier(s).
10.2B.2 NR DC between FR1 and FR2
FFS
10.3A Reporting of Precoding Matrix Indicator (PMI) for CA
FFS
10.3B Reporting of Precoding Matrix Indicator (PMI) for DC
10.3B.1 EN-DC
10.3B.1.1 EN-DC within FR1
The NR PMI requirements and test case details for this test case are specified in Section 6.3.
During the test, only the PMI requirements on the NR cell shall be verified.
10.3B.1.2 EN-DC including FR2 NR carrier
The NR PMI requirements and test case details for this test case are specified in Section 8.3.
During the test, only the PMI performance on the NR cell(s) on FR2 carriers shall be verified.
10.3B.1.3 EN-DC including FR1 and FR2 NR carriers
The PMI performance requirements are verified according to section 10.3B.1.1 for EN-DC with FR1 NR carrier only and section 10.3B.1.2 for EN-DC with FR2 NR carrier only.
During the test for EN-DC with FR2 NR carriers, only the PMI performance requirements on the FR2 carriers are verified.
No PMI requirement for FR1 NR or LTE carriers is specified for EN-DC including FR2 carrier(s).
10.3B.2 NR DC between FR1 and FR2
FFS
10.4A Reporting of Rank Indicator (RI) for CA
FFS
10.4B Reporting of Rank Indicator (RI) for DC
10.4B.1 EN-DC
10.4B.1.1 EN-DC within FR1
The NR RI requirements and test case details for this test case are specified in Section 6.4.
During the test, only the RI requirements on the NR cell shall be verified.
10.4B.1.2 EN-DC including FR2 NR carrier
The NR RI requirements and test case details for this test case are specified in Section 8.4.
During the test, only the RI performance on the NR cell(s) on FR2 carriers shall be verified.
10.4B.1.3 EN-DC including FR1 and FR2 NR carriers
The RI performance requirements are verified according to section 10.4B.1.1 for EN-DC with FR1 NR carrier only and section 10.4B.1.2 for EN-DC with FR2 NR carrier only.
During the test for EN-DC with FR2 NR carriers, only the RI performance requirements on the FR2 carriers are verified.
No RI requirement for FR1 NR or LTE carriers is specified for EN-DC including FR2 carrier(s).
10.4B.2 NR DC between FR1 and FR2
FFS