| CPC H04L 5/0092 (2013.01) [H04L 1/1819 (2013.01); H04W 24/08 (2013.01); H04W 56/001 (2013.01); H04W 72/23 (2023.01); H04W 76/28 (2018.02)] | 17 Claims |

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1. A method, comprising:
by a user equipment device (UE):
transmitting an uplink message to a base station over a physical uplink shared channel (PUSCH) associated with a first hybrid automatic repeat request (HARQ) process; and
receiving, over a physical downlink control channel (PDCCH), a downlink control information (DCI) message with format 0_1 and associated with the uplink message, wherein the DCI message does not include a resource allocation and includes a bit field indicating that the HARQ process is complete,
wherein the DCI message includes a cyclic redundancy check (CRC) scrambled by a configured scheduling radio network temporary identifier (CS-RNTI).
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