Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive at least one sounding reference signal (SRS) resource set configuration for a plurality of SRS resources that correspond to respective SRS ports on which an SRS is to be transmitted; transmit SRSs using the SRS resources; receive downlink control information that identifies a sequence of SRS resource indicator (SRI) collections, where an SRI collection identifies one or more of the SRS resources used for transmitting the SRSs; and transmit a plurality of repetitions of an uplink communication based at least in part on the sequence of SRI collections, where a repetition is transmitted using one or more uplink ports that correspond to one or more SRS ports associated with the one or more SRS resources identified based at least in part on the SRI collection. Numerous other aspects are provided.