Inapplicable timing value for sidelink hybrid automatic repeat request feedback
AssigneeQUALCOMM Incorporated
InventorsJing SUN, Xiaoxia ZHANG
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Abstract
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that a first timing value, received in first downlink control information (DCI) that schedules a first sidelink communication, for indicating a time duration between receiving the first DCI and transmitting first sidelink hybrid automatic repeat request (HARQ) feedback for the first sidelink communication is an inapplicable value. The UE may transmit the first sidelink HARQ feedback in a sidelink HARQ acknowledgment codebook based at least in part on receiving a second DCI that includes a second timing value that is a valid numerical value. Numerous other aspects are provided.
Claims25
A method of wireless communication performed by a user equipment (UE), comprising:
- receiving, in first downlink control information (DCI) that schedules a first sidelink communication, a first timing value for indicating a time duration between receiving the first DCI and transmitting first sidelink hybrid automatic repeat request (HARQ) feedback for the first sidelink communication, wherein the first timing value is an inapplicable value;
- and
- transmitting the first sidelink HARQ feedback in a sidelink HARQ acknowledgment (ACK) codebook based at least in part on receiving a second DCI that includes a second timing value that is a valid numerical value.
A method of wireless communication performed by a base station, comprising:
- transmitting first downlink control information (DCI), to a user equipment (UE), that includes an inapplicable value as a first timing value for indicating a time duration between receiving the first DCI that schedules a first sidelink communication and transmitting first sidelink hybrid automatic repeat request (HARQ) feedback for the first sidelink communication;
- transmitting second DCI, to the UE, that includes a valid numerical value as a second timing value;
- and
- receiving the first sidelink HARQ feedback on a physical uplink control channel (PUCCH) after transmitting the second DCI.
A method of wireless communication performed by a user equipment (UE), comprising:
- receiving, in first downlink control information (DCI) that schedules a sidelink communication, a first timing value for indicating a time duration between receiving the first DCI and transmitting sidelink hybrid automatic repeat request (HARQ) feedback for the sidelink communication, wherein the first timing value is an inapplicable value;
- and
- transmitting, after receiving a second DCI that includes a second timing value that is a valid numerical value, one or more of the sidelink HARQ feedback or HARQ feedback for a Uu interface based at least in part on a result of comparing a priority value of the sidelink HARQ feedback to a first threshold and a second threshold.
A method of wireless communication performed by a base station, comprising:
- transmitting first downlink control information (DCI), to a user equipment (UE), that includes an inapplicable value as a first timing value for indicating a time duration between receiving the first DCI that schedules a first sidelink communication and transmitting first sidelink hybrid automatic repeat request (HARQ) feedback for the first sidelink communication;
- transmitting second DCI, to the UE, that includes a valid numerical value as a second timing value;
- and
- receiving, after transmitting the second DCI, one or more of the sidelink HARQ feedback or HARQ feedback for a Uu interface based at least in part on a priority value of the sidelink HARQ feedback.
Dependencies are inferred from the claim text.