3GPP Message Dictionary

CodebookParametersetype2CJT-r18

TS 38.331 V18.5.1 2025-03
CodebookParametersetype2CJT-r18 ::= SEQUENCE {
    -- R1 40-3-1-1: Basic feature for Rel-16-based CJT type-II codebook
    eType2CJT-r18                          SEQUENCE {
        supportedCSI-RS-ResourceList-r18       SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16),
        scalingfactor-r18                      ENUMERATED {n1, n1dot5, n2},
        maxNumberNZP-CSI-RS-MultiTRP-CJT-r18   INTEGER (2..4)
    },
    -- R1 40-3-1-1a: Support of mode 1 for Rel-16-based CJT type-II codebook with FD basis selection integer frequency offset
    eType2CJT-FD-IO-r18                    SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16)              OPTIONAL,
    -- R1 40-3-1-2: Support for FD basis selection fractional offset mode for Rel-16-based CJT codebook with mode1
    eType2CJT-FD-FO-r18                    ENUMERATED {supported}                                                OPTIONAL,
    -- R1 40-3-1-3: Support R=2 for Rel-16-based CJT codebook
     eType2CJT-R2-r18                      SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16)              OPTIONAL,
    -- R1 40-3-1-4: Support pv={1/2,1/2,1/2,1/2} and beta=1/2 for Rel-16-based CJT codebook
     eType2CJT-PV-Beta-r18                 ENUMERATED {supported}                                                OPTIONAL,
    -- R1 40-3-1-9: Support for 2NN1N2 >32 for Rel-16 based CJT codebook
     eType2CJT-2NN1N2-r18                  ENUMERATED {n64,n96,n128}                                             OPTIONAL,
    -- R1 40-3-1-12: Support of Rank 3 and 4 for Rel-16-based CJT type-II codebook
     eType2CJT-Rank3Rank4-r18              ENUMERATED {supported}                                                OPTIONAL,
    -- R1 40-3-1-14: Support of Support of L=6 for Rel-16-based CJT type-II codebook
     eType2CJT-L6-r18                      ENUMERATED {supported}                                                OPTIONAL,
    -- R1 40-3-1-15: dynamic selection of N<=N_TRP for Rel-16-based CJT type-II codebook
     eType2CJT-NN-r18                      ENUMERATED {supported}                                                OPTIONAL,
    -- R1 40-3-1-17: Support for N_L>1 combinations of number of SD basis across CSI-RS resources for Rel-16-based CJT
    -- type-II codebook
     eType2CJT-NL-SD-r18                   ENUMERATED {n2,n4}                                                    OPTIONAL,
    -- R1 40-3-1-23: Unequal number of spatial basis selection configuration for multi-TRP CJT
    eType2CJT-Unequal-r18                  ENUMERATED {supported}                                                OPTIONAL
}