3GPP Message Dictionary

CodebookConfig

TS 38.331 V18.5.1 2025-03
CodebookConfig ::= SEQUENCE {
    codebookType                                        CHOICE {
        type1                                               SEQUENCE {
            subType                                             CHOICE {
                typeI-SinglePanel                                   SEQUENCE {
                    nrOfAntennaPorts                                    CHOICE {
                        two                                                 SEQUENCE {
                            twoTX-CodebookSubsetRestriction                     BIT STRING (SIZE (6))
                        },
                        moreThanTwo                                         SEQUENCE {
                            n1-n2                                               CHOICE {
                                two-one-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (8)),
                                two-two-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (64)),
                                four-one-TypeI-SinglePanel-Restriction              BIT STRING (SIZE (16)),
                                three-two-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (96)),
                                six-one-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (24)),
                                four-two-TypeI-SinglePanel-Restriction              BIT STRING (SIZE (128)),
                                eight-one-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (32)),
                                four-three-TypeI-SinglePanel-Restriction            BIT STRING (SIZE (192)),
                                six-two-TypeI-SinglePanel-Restriction               BIT STRING (SIZE (192)),
                                twelve-one-TypeI-SinglePanel-Restriction            BIT STRING (SIZE (48)),
                                four-four-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (256)),
                                eight-two-TypeI-SinglePanel-Restriction             BIT STRING (SIZE (256)),
                                sixteen-one-TypeI-SinglePanel-Restriction           BIT STRING (SIZE (64))
                            },
                            typeI-SinglePanel-codebookSubsetRestriction-i2      BIT STRING (SIZE (16))        OPTIONAL    -- Need R
                        }
                    },
                    typeI-SinglePanel-ri-Restriction                    BIT STRING (SIZE (8))
                },
                typeI-MultiPanel                                    SEQUENCE {
                    ng-n1-n2                                                CHOICE {
                        two-two-one-TypeI-MultiPanel-Restriction                BIT STRING (SIZE (8)),
                        two-four-one-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (16)),
                        four-two-one-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (8)),
                        two-two-two-TypeI-MultiPanel-Restriction                BIT STRING (SIZE (64)),
                        two-eight-one-TypeI-MultiPanel-Restriction              BIT STRING (SIZE (32)),
                        four-four-one-TypeI-MultiPanel-Restriction              BIT STRING (SIZE (16)),
                        two-four-two-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (128)),
                        four-two-two-TypeI-MultiPanel-Restriction               BIT STRING (SIZE (64))
                    },
                    ri-Restriction                          BIT STRING (SIZE (4))
                }
            },
            codebookMode                                        INTEGER (1..2)

        },
        type2                                   SEQUENCE {
            subType                                 CHOICE {
                typeII                                  SEQUENCE {
                    n1-n2-codebookSubsetRestriction         CHOICE {
                        two-one                                 BIT STRING (SIZE (16)),
                        two-two                                 BIT STRING (SIZE (43)),
                        four-one                                BIT STRING (SIZE (32)),
                        three-two                               BIT STRING (SIZE (59)),
                        six-one                                 BIT STRING (SIZE (48)),
                        four-two                                BIT STRING (SIZE (75)),
                        eight-one                               BIT STRING (SIZE (64)),
                        four-three                              BIT STRING (SIZE (107)),
                        six-two                                 BIT STRING (SIZE (107)),
                        twelve-one                              BIT STRING (SIZE (96)),
                        four-four                               BIT STRING (SIZE (139)),
                        eight-two                               BIT STRING (SIZE (139)),
                        sixteen-one                             BIT STRING (SIZE (128))
                    },
                    typeII-RI-Restriction                   BIT STRING (SIZE (2))
                },
                typeII-PortSelection                    SEQUENCE {
                    portSelectionSamplingSize               ENUMERATED {n1, n2, n3, n4}                   OPTIONAL,       -- Need R
                    typeII-PortSelectionRI-Restriction      BIT STRING (SIZE (2))
                }
            },
            phaseAlphabetSize                       ENUMERATED {n4, n8},
            subbandAmplitude                        BOOLEAN,
            numberOfBeams                           ENUMERATED {two, three, four}
        }
    }
}