3GPP Message Dictionary

CodebookParametersfetype2CJT-r18

TS 38.331 V18.5.1 2025-03
CodebookParametersfetype2CJT-r18 ::= SEQUENCE {
    -- R1 40-3-1-5: Basic feature for Rel-17-based CJT type-II codebook
    feType2CJT-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 40-3-1-5a: Support of mode 1 for Rel-17-based CJT type-II codebook with FD basis selection integer frequency offset
    feType2CJT-FD-IO-r18                   SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16)              OPTIONAL,
    -- R1 40-3-1-6: Support for FD basis selection fractional offset mode for Rel-17-based CJT codebook with mode1
    feType2CJT-FD-FO-r18                   ENUMERATED {supported}                                                OPTIONAL,
     -- R1 40-3-1-7: Support of M=2 and R=1 for Rel-17-based CJT codebook
    feType2CJT-M2R1-r18                    SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16)              OPTIONAL,
     -- R1 40-3-1-8: Support of R=2 for Rel-17-based CJT codebook
    feType2CJT-R2-r18                      SEQUENCE (SIZE (1..maxNrofCSI-RS-ResourcesExt-r16)) OF INTEGER
                                                              (0..maxNrofCSI-RS-ResourcesAlt-1-r16)              OPTIONAL,
     -- R1 40-3-1-9a: Support for 2NN1N2 >32 for Rel-17 based CJT codebook
    feType2CJT-2NN1N2-r18                  ENUMERATED {n64,n96,n128}                                             OPTIONAL,
     -- R1 40-3-1-13: Support of Rank 3 and 4 for Rel-17-based CJT type-II codebook
    feType2CJT-Rank3Rank4-r18              ENUMERATED {supported}                                                OPTIONAL,
     -- R1 40-3-1-16: dynamic selection of N<=N_TRP for Rel-17-based CJT type-II codebook
    feType2CJT-NN-r18                      ENUMERATED {supported}                                                OPTIONAL,
     -- R1 40-3-1-18: Support for N_L>1 combinations of number of SD basis across CSI-RS resources for Rel-17-based CJT
    -- type-II codebook
    feType2CJT-NL-r18                      ENUMERATED {n2,n4}                                                    OPTIONAL,
    -- R1 40-3-1-23a: Unequal number of port selection configuration for multi-TRP CJT
    feType2CJT-Unequal-r18                 ENUMERATED {supported}                                                OPTIONAL
}