CodebookParameters

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.3

CodebookParameters is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v15.4.0 (2019-01) · Not changed since

Definition

The IE CodebookParameters is used to convey codebook related parameters.

CodebookParameters ::=             SEQUENCE {
    type1                                  SEQUENCE {
        singlePanel                           SEQUENCE {
            supportedCSI-RS-ResourceList      SEQUENCE (SIZE (1.. maxNrofCSI-RS-Resources)) OF SupportedCSI-RS-Resource,
            modes                                  ENUMERATED {mode1, mode1andMode2},
            maxNumberCSI-RS-PerResourceSet    INTEGER (1..8)
        },
        multiPanel                            SEQUENCE {
            supportedCSI-RS-ResourceList      SEQUENCE (SIZE (1.. maxNrofCSI-RS-Resources)) OF SupportedCSI-RS-Resource,
            modes                                  ENUMERATED {mode1, mode2, both},
            nrofPanels                            ENUMERATED {n2, n4},
            maxNumberCSI-RS-PerResourceSet    INTEGER (1..8)
        }                                                                                                               OPTIONAL
    },
    type2                                  SEQUENCE {
        supportedCSI-RS-ResourceList        SEQUENCE (SIZE (1.. maxNrofCSI-RS-Resources)) OF SupportedCSI-RS-Resource,
        parameterLx                           INTEGER (2..4),
        amplitudeScalingType                 ENUMERATED {wideband, widebandAndSubband},
        amplitudeSubsetRestriction          ENUMERATED {supported}              OPTIONAL
    }                                                                                                                   OPTIONAL,
    type2-PortSelection                  SEQUENCE {
        supportedCSI-RS-ResourceList        SEQUENCE (SIZE (1.. maxNrofCSI-RS-Resources)) OF SupportedCSI-RS-Resource,
        parameterLx                           INTEGER (2..4),
        amplitudeScalingType                 ENUMERATED {wideband, widebandAndSubband}
    }                                                                                                                   OPTIONAL
}

Fields (19)

Used by (1)

• MIMO-ParametersPerBand

Uses (2)

• SupportedCSI-RS-Resource
• maxNrofCSI-RS-Resources

In the viewer

• Read CodebookParameters in v19.4.0
• History of CodebookParameters across versions
• All versions of TS 38.331
• ASN.1 index