# US 12,016,044 B2 · Data transmission method and communications apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,016,044 B2 - Document ID: US12016044B2 - Status: Granted - Kind: B2 - Application number: 17/313,903 - Filed: 2021-05-06 - Published: 2021-08-26 - Granted: 2024-06-18 - Earliest claimed: 2018-11-09 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Ruixiang Ma; Lei Guan; Yuan Li - Web page: https://patentgrep.com/patent/US12016044B2 ## CPC - H04L 5/0078: {Timing of allocation} - H04W 72/53: based on regulatory allocation policies - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/187: {Details of sliding window management} - H04L 1/189: {Transmission or retransmission of more than one copy of a message} - H04L 1/1896: {ARQ related signaling} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract This application provides a data transmission method and a communications apparatus. The method includes: first determining, based on a first time domain resource, M mini-slot-level second time domain resources that do not cross a slot boundary; and then performing repeated mini-slot-level data transmission on the M second time domain resources. ## Claims ### Claim 1 A method comprising: determining a first time domain resource allocated for repetitive transmissions; obtaining R third time domain resources by repeating the first time domain resource for R times based on an interval between adjacent third time domain resources of the R third time domain resources, wherein R is an integer greater than 1; determining H+1 second time domain resources based on a fourth time domain resource, wherein the fourth time domain resource is any third time domain resource that spans a slot boundary in the R third time domain resources, the fourth time domain resource spans H slot boundaries, and H is a positive integer; determining M second time domain resources, wherein M is an integer greater than R, and the M second time domain resources comprise Q second time domain resources and M-Q second time domain resources, and the Q second time domain resources are Q third time domain resources that do not cross a slot boundary in the R third time domain resources, and the M-Q second time domain resources are second time domain resources determined based on the fourth time domain resource, and Q is a positive integer less than R; and sending first data to a network device for M times on the M second time domain resources, respectively. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining the first time domain resource comprises: receiving indication information from the network device, wherein the indication information indicates one row in a time domain resource table configured by higher layer signaling, each row in the time domain resource table comprises a start symbol S and a length L, a value of S ranges from 0 to 13, and a value of L ranges from 1 to 14; and determining the first time domain resource based on the indication information. ### Claim 3 (depends on 2) The method according to claim 2, wherein the first time domain resource crosses at least one slot boundary. ### Claim 4 (depends on 1) The method according to claim 1, wherein the first data is carried on a physical uplink shared channel (PUSCH), and a mapping type of the PUSCH is type B indicating that a 1st time domain symbol of a demodulation reference signal (DMRS) of the PUSCH is a 1st time domain symbol of the PUSCH. ### Claim 5 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, the program comprises instructions for: determining a first time domain resource allocated for repetitive transmissions; obtaining R third time domain resources by repeating the first time domain resource for R times based on an interval between adjacent third time domain resources of the R third time domain resources, wherein R is an integer greater than 1; determining H+1 second time domain resources based on a fourth time domain resource, wherein the fourth time domain resource is any third time domain resource that spans a slot boundary in the R third time domain resources, the fourth time domain resource spans H slot boundaries, and H is a positive integer; determining M second time domain resources, wherein M is an integer greater than R, and the M second time domain resources comprise Q second time domain resources and M-Q second time domain resources, and the Q second time domain resources are Q third time domain resources that do not cross a slot boundary in the R third time domain resources, and the M-Q second time domain resources are second time domain resources determined based on the fourth time domain resource, and Q is a positive integer less than R; and sending first data to a network device for M times on the M second time domain resources, respectively. ### Claim 6 (depends on 5) The apparatus according to claim 5, wherein the program further comprises instructions for: receiving indication information from the network device, wherein the indication information indicates one row in a time domain resource table configured by higher layer signaling, each row in the time domain resource table comprises a start symbol S and a length L, a value of S ranges from 0 to 13, and a value of L ranges from 1 to 14; and determining the first time domain resource based on the indication information. ### Claim 7 (depends on 6) The apparatus according to claim 6, wherein the first time domain resource crosses at least one slot boundary. ### Claim 8 (depends on 6) The apparatus according to claim 6, wherein the first data is carried on a physical uplink shared channel (PUSCH), and a mapping type of the PUSCH is type B indicating that a 1st time domain symbol of a demodulation reference signal (DMRS) of the PUSCH is a 1st time domain symbol of the PUSCH. ### Claim 9 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, the program comprises instructions for: determining a first time domain resource allocated for repetitive transmissions; obtaining R third time domain resources by repeating the first time domain resource for R times based on an interval between adjacent third time domain resources of the R third time domain resources, wherein R is an integer greater than 1; determining H+1 second time domain resources based on a fourth time domain resource, wherein the fourth time domain resource is any third time domain resource that spans a slot boundary in the R third time domain resources, the fourth time domain resource spans H slot boundaries, and H is a positive integer; determining M second time domain resources, wherein M is an integer greater than R, and the M second time domain resources comprise Q second time domain resources and M-Q second time domain resources, and the Q second time domain resources are Q third time domain resources that do not cross a slot boundary in the R third time domain resources, and the M-Q second time domain resources are second time domain resources determined based on the fourth time domain resource, and Q is a positive integer less than R; and receiving first data from a terminal device for M times on the M second time domain resources, respectively. ### Claim 10 (depends on 9) The apparatus according to claim 9, wherein the program further comprises instructions for: sending indication information to the terminal device, wherein the indication information indicates one row in a time domain resource table configured by higher layer signaling, each row in the time domain resource table comprises a start symbol S and a length L, a value of S ranges from 0 to 13, and a value of L ranges from 1 to 14; and determining the first time domain resource based on the indication information. ### Claim 11 (depends on 10) The apparatus according to claim 10, wherein the first time domain resource crosses at least one slot boundary. ### Claim 12 (depends on 9) The apparatus according to claim 9, wherein the first data is carried on a physical uplink shared channel (PUSCH), and a mapping type of the PUSCH is type B indicating that a 1st time domain symbol of demodulation reference signal (DMRS) of the PUSCH is a 1st time domain symbol of the PUSCH. ### Claim 13 (depends on 1) The method according to claim 1, wherein the method is performed by a terminal device, and the network device is a base station. ### Claim 14 (depends on 1) The method according to claim 1, wherein a length of each of the M second time domain resources is less than a length of a slot. ### Claim 15 (depends on 1) The method according to claim 1, wherein the first data corresponds to an Ultra-Reliable Low Latency Communications (URLLC) service. ### Claim 16 (depends on 5) The apparatus according to claim 5, wherein the apparatus is a terminal device or is comprised in a terminal device, and the network device is a base station. ### Claim 17 (depends on 5) The apparatus according to claim 5, wherein a length of each of the M second time domain resources is less than a length of a slot. ### Claim 18 (depends on 5) The apparatus according to claim 5, wherein the first data corresponds to an Ultra-Reliable Low Latency Communications (URLLC) service. ### Claim 19 (depends on 9) The apparatus according to claim 9, wherein the apparatus is a base station or is applied to a base station. ### Claim 20 (depends on 9) The apparatus according to claim 9, wherein a length of each of the M second time domain resources is less than a length of a slot.