# US 12,193,011 B2 · Repeat transmission method and apparatus, chip and computer program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,193,011 B2 - Document ID: US12193011B2 - Status: Granted - Kind: B2 - Application number: 17/341,128 - Filed: 2021-06-07 - Published: 2021-10-28 - Granted: 2025-01-07 - Earliest claimed: 2018-12-27 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Jing Xu; Yanan Lin - Web page: https://patentgrep.com/patent/US12193011B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/0025: {Transmission of mode-switching indication} - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/0003: {by switching between different modulation schemes} - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method for repetition transmission and apparatus, a chip and a computer program are provided. The method includes: transmitting information about a number of repetitions to a terminal through a repetition field in Physical Downlink Shared Channel-time domain resource allocation (PDSCH-TimeDomainResourceAllocation) and/or Physical Uplink Shared Channel-time domain resource allocation (PUSCH-TimeDomainResourceAllocation); reusing a time domain resource assignment indication field of downlink control information to indicate repetition information, wherein the repetition information is configured to indicate a terminal device to perform transmission according to the repetition information. ## Claims ### Claim 1 A method for indicating transmission repetitions, comprising: reusing a time domain resource assignment indication field of downlink control information to indicate repetition information to a terminal device by transmitting the repetition information to the terminal device through a repetition field in Physical Downlink Shared Channel-time domain resource allocation (PDSCH-TimeDomainResourceAllocation) and/or Physical Uplink Shared Channel-time domain resource allocation (PUSCH-TimeDomainResourceAllocation); wherein the repetition field is added to the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation for indicating the repetition information; wherein the repetition information comprises information about a number of repetitions that indicates the terminal device to perform transmission; wherein PDSCH-TimeDomainResourceAllocation is an element of PUSCH-TimeDomainResourceAllocationList, which is an information element (IE) of PUSCH-Config. and PUSCH-TimeDomainResourceAllocation is an element of PDSCH-TimeDomainResourceAllocationList, which is an IE of PUSCH-Config. ### Claim 2 (depends on 1) The method of claim 1, wherein the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation comprises a cross-slot configuration. ### Claim 3 (depends on 2) The method of claim 2, wherein the cross-slot configuration is a configuration of a length greater than 14 symbols in a start symbol and length (startSymbolAndLength) field in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 4 (depends on 1) The method of claim 1, wherein the repetition field is a new field added in the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation. ### Claim 5 A method for indicating transmission repetition, comprising: acquiring, by a terminal device, in case of a time domain resource assignment indication field of downlink control information being reused to indicate repetition information, the repetition information from a repetition field in Physical Downlink Shared Channel-time domain resource allocation (PDSCH-TimeDomainResourceAllocation) and/or Physical Uplink Shared Channel-time domain resource allocation (PUSCH-TimeDomainResourceAllocation); wherein the repetition information comprises information about a number of repetitions that indicates the terminal device to perform transmission; wherein the repetition field is added to the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation for indicating the repetition information; and performing, by the terminal device, transmission according to the repetition information; wherein PDSCH-TimeDomainResourceAllocation is an element of PUSCH-TimeDomainResourceAllocationList, which is an information element (IE) of PUSCH-Config. and PUSCH-TimeDomainResourceAllocation is an element of PDSCH-TimeDomainResourceAllocationList, which is an IE of PUSCH-Config. ### Claim 6 (depends on 5) The method of claim 5, further comprising: acquiring, by the terminal, a cross-slot configuration in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 7 (depends on 6) The method of claim 6, wherein acquiring, by the terminal, the cross-slot configuration in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation, comprises: acquiring, by the terminal, a configuration of a length greater than 14 symbols from a start symbol and length (startSymbolAndLength) field in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 8 (depends on 5) The method of claim 5, wherein the repetition field is a new field added in the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation. ### Claim 9 An apparatus for indicating transmission repetition, comprising a processor and a transceiver; wherein the transceiver is configured to reuse a time domain resource assignment indication field of downlink control information to indicate repetition information to a terminal device by transmitting the repetition information to the terminal device through a repetition field in Physical Downlink Shared Channel-time domain resource allocation (PDSCH-TimeDomainResourceAllocation) and/or Physical Uplink Shared Channel-time domain resource allocation (PUSCH-TimeDomainResourceAllocation); wherein the repetition field is added to the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation for indicating the repetition information; wherein the repetition information comprises information about a number of repetitions that indicates the terminal device to perform transmission; wherein PDSCH-TimeDomainResourceAllocation is an element of PUSCH-TimeDomainResourceAllocationList, which is an information element (IE) of PUSCH-Config. and PUSCH-TimeDomainResourceAllocation is an element of PDSCH-TimeDomainResourceAllocationList, which is an IE of PUSCH-Config. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation comprises a cross-slot configuration. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the cross-slot configuration is a configuration of a length greater than 14 symbols in a start symbol and length (startSymbolAndLength) field in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 12 (depends on 9) The apparatus of claim 9, wherein the repetition field is a new field added in the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation. ### Claim 13 An apparatus for indicating transmission repetition, comprising: a processor and a transceiver; wherein the processor is configured to: in case of a time domain resource assignment indication field of downlink control information being reused to indicate repetition information, acquire the repetition information from a repetition field in Physical Downlink Shared Channel-time domain resource allocation (PDSCH-TimeDomainResourceAllocation) and/or Physical Uplink Shared Channel-time domain resource allocation (PUSCH-TimeDomainResourceAllocation); wherein the repetition information comprises information about a number of repetitions that indicates the terminal device to perform transmission; wherein the repetition field is added to the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation for indicating the repetition information; and the transceiver is configured to perform transmission according to the repetition information; wherein PDSCH-TimeDomainResourceAllocation is an element of PUSCH-TimeDomainResourceAllocationList, which is an information element (IE) of PUSCH-Config. and PUSCH-TimeDomainResourceAllocation is an element of PDSCH-TimeDomainResourceAllocationList, which is an IE of PUSCH-Config. ### Claim 14 (depends on 13) The method of claim 13, wherein the processor is further configured to: acquire a cross-slot configuration in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 15 (depends on 14) The method of claim 14, wherein the processor is configured to: acquire a configuration of a length greater than 14 symbols from a start symbol and length (startSymbolAndLength) field in the PDSCH-TimeDomainResourceAllocation and/or the PUSCH-TimeDomainResourceAllocation. ### Claim 16 (depends on 13) The apparatus of claim 13, wherein the repetition field is a new field added in the PDSCH-TimeDomainResourceAllocation and/or PUSCH-TimeDomainResourceAllocation.