Patent ID: 11870594
Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A first user equipment, comprising:
a processor; and
a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
decoding first sidelink control information, wherein the first sidelink control information is received from a second user equipment via a sidelink control channel and at a first defined resource of the sidelink control channel;
determining that second sidelink control information has failed to be decoded, wherein the second sidelink control information is received from the second user equipment via a sidelink shared channel and at a second defined resource of the sidelink shared channel, wherein, based on a group hybrid automatic repeat request feedback procedure and the decoding of the first sidelink control information, a successful acknowledgement is not transmitted; and
based on the group hybrid automatic repeat request feedback procedure and the determining that the second sidelink control information has failed to be decoded:
sending negative acknowledgement data on an indicated feedback channel;
preparing receipt of respective retransmissions from respective user equipment of a group of user equipment at a channel estimator; and
receiving respective retransmissions of the second sidelink control information via the sidelink shared channel from the respective user equipment of the group of user equipment in response to the negative acknowledgement data.