CPC H04W 28/04 (2013.01) [H04L 1/1812 (2013.01); H04W 16/14 (2013.01); H04W 72/23 (2023.01)] | 10 Claims |
1. A method for uplink transmission in a wireless communication system, the method performed by a wireless device operating in an unlicensed band and comprising:
receiving, from a base station, an uplink configuration for configuring uplink transmission without dynamic uplink grant in which the wireless device performs uplink transmission in accordance with the uplink configuration, the uplink configuration including a periodicity for the uplink transmission without uplink grant and a number of allocated slots in the periodicity;
selecting at least one hybrid automatic repeat request process identifier (HARQ-ID) for at least one physical uplink shared channel (PUSCH) to be transmitted according to the uplink configuration;
performing listen before talk (LBT) to check that the unlicensed band is idle based on[[in]] the allocated slots; and
transmitting, to the base station, the at least one PUSCH in at least one slot of the allocated slots based on the unlicensed band being idle, wherein the at least one PUSCH includes the at least one selected HARQ-ID.
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