Patent ID: 11902943
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. An apparatus, comprising:
one or more processors; and
a non-transitory computer readable medium storing a program to be executed by the one or more processors, wherein the program comprises instructions for:
sending second indication information, wherein the second indication information is used to indicate P1 time-frequency resource sets, P1 is a positive integer, and each time-frequency resource set comprises N time-frequency resources;
sending third indication information, wherein the third indication information is used to indicate an index of a first time-frequency resource set in the P1 time-frequency resource sets;
receiving N acknowledgment codebooks on the N time-frequency resources in a target time unit,
wherein each of the N time-frequency resources carries one of the N acknowledgment codebooks, and the N acknowledgment codebooks are used to carry M-bit acknowledgment information,
wherein both M and N are positive integers, and at least one of M and N is not 1, and
wherein the M-bit acknowledgment information is acknowledgment information for first downlink data, and the first downlink data is transmitted in a semi-persistent scheduling manner; and

determining, based on the N acknowledgment codebooks, whether to retransmit the first downlink data.