An apparatus comprising circuitry for performing: receiving a configuration message from a base station, wherein the configuration message includes instructions to use at least one first path for uplink transmission of a first group of data packets, and to use at least one configured grant in at least one second path for uplink transmission of duplicate packets of the first group of data packets; and in response to determining that at least one event has occurred, modifying at least one condition of the at least one configured grant for the uplink transmission of the duplicated packets.