Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may group, into a common slot, a first plurality of consecutive uplink slots included in a first component carrier and a second plurality of consecutive uplink slots included in a second component carrier. The UE may determine whether an uplink transmission is scheduled in at least one of the first plurality of consecutive uplink slots or the second plurality of consecutive uplink slots. The UE may transmit on the first component carrier or on the second component carrier in the common slot or determine whether to switch a transmit chain based at least in part on whether an uplink transmission is scheduled in at least one of the first plurality of consecutive uplink slots or the second plurality of consecutive uplink slots. Numerous other aspects are provided.