The disclosure relates to
system and method for enhancement on UL Tx switching. In some aspect, a
user equipment (UE) may comprise at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio. The at least one radio and the processor may be configured to transmit, to a network, an indication of an uplink (UL) transmission (Tx) switching capability of the UE identifying a band combination and a UL Tx switching period. The band combination may comprise a plurality of different frequency bands to be covered by a plurality of Tx chains of the UE, a number of the Tx chains is smaller than a number of the frequency bands in the band combination, and each of the plurality of Tx chains is tuned to a respective one of a plurality of initial frequency bands in the band combination. Further, the UL Tx switching period may comprise a
Radio Frequency (RF) retuning period which is associated with RF retuning of at least one of the plurality of Tx chains when the at least one of the Tx chains is scheduled to be switched from the respective initial
frequency band to a respective target
frequency band other than the initial frequency bands in the band combination. The at least one radio and the processor may be configured to receive, from the network, an indication of the UL scheduling based on the UL Tx switching capability; and communicate with the network based on the UL scheduling after the UL Tx switching period.