3GPP Message Dictionary

ULTxSwitchingBandPair-r18

TS 38.331 V18.5.1 2025-03
ULTxSwitchingBandPair-r18 ::= SEQUENCE {
    bandIndexUL1-r18                                           INTEGER(1..maxSimultaneousBands),
    bandIndexUL2-r18                                           INTEGER(1..maxSimultaneousBands),
    -- R1 49-X: Supported switching option for each band pair in the band combination for UL Tx switching across more than 2 bands
    uplinkTxSwitchingOptionForBandPair-r18                     ENUMERATED {switchedUL, dualUL, both},
    -- R4 38-1: Switching period for dynamic UL Tx switching across up to 4 bands in case of inter-band CA, SUL up to two TAGs
    uplinkTxSwitchingPeriodForBandPair-r18                     SEQUENCE {
          switchingPeriodFor2T-r18                                 ENUMERATED {n35us, n140us, n210us}                       OPTIONAL,
          switchingPeriodFor1T-r18                                 ENUMERATED {n35us, n140us, n210us}
    },
    -- R4 38-2: Application of DL interruptions due to dynamic UL Tx switching
    uplinkTxSwitching-DL-Interruption-r18                      BIT STRING (SIZE(1..maxSimultaneousBands))                   OPTIONAL,
    -- R4 38-3: Switching Period for unaffected Band for Dual UL
    uplinkTxSwitchingPeriodUnaffectedBandDualUL-List-r18       SEQUENCE (SIZE (1..maxSimultaneousBands-2-r18)) OF
                                                                         SwitchingPeriodUnaffectedBandDualUL-r18            OPTIONAL
}