The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or base station. The apparatus may determine an UL Tx switching procedure including a plurality of switching cases, the UL Tx switching procedure associated with one or more Tx chains and/or one or more antenna ports, at least one of the one or more Tx chains or the one or more antenna ports corresponding to one or more CCs. The apparatus may also configure at least one of the one or more Tx chains or the one or more antenna ports associated with a target switching case of the plurality of switching cases. Further, the apparatus may transmit at least one UL transmission based on the configured at least one of the one or more Tx chains or the one or more antenna ports associated with the target switching case.