CPC H04L 1/0003 (2013.01) [H04L 1/0009 (2013.01); H04L 1/0022 (2013.01); H04L 1/0025 (2013.01); H04L 5/22 (2013.01); H04W 24/08 (2013.01); H04W 72/21 (2023.01)] | 9 Claims |
1. A method for selecting a Modulation Coding Scheme (MCS) in a wireless communication system, the method comprising:
receiving, by a User Equipment (UE), at least one fallback/advance MCS value for each Hybrid Automatic Repeat and request (HARM) process;
receiving, by the UE, a list of default MCS in an uplink (UL) grant from a base station;
measuring, by the UE, a channel condition including a Channel Quality Indicator (CQI); and
in case that the channel condition is insufficient to use the default MCS provided in the UL grant, using MCS among the at least one fallback/advance MCS value; and
indicating the used MCS to the base station via a physical uplink shared channel (PUSCH) transmission using uplink control information (UCI).
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