# US 2022/0045802 A1 · Method and apparatus for determining transmission timing in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0045802 A1 - Document ID: US20220045802A1 - Status: Published application - Kind: A1 - Application number: 17/496,219 - Filed: 2021-10-07 - Published: 2022-02-10 - Earliest claimed: 2018-07-31 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Sungjin PARK; Hyunseok RYU; Jonghyun BANG; Jeongho YEO; Jinyoung OH - Web page: https://patentgrep.com/patent/US20220045802A1 ## CPC - H04L 1/1819: {with retransmission of additional or different redundancy} - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/53: based on regulatory allocation policies - H04W 76/30: Connection release - 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 A method for transmitting hybrid automatic repeat request acknowledgement (HARQ-ACK) information by a user equipment (UE) in a wireless communication system is provided. The method includes receiving a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release from a base station and transmitting an uplink channel including HARQ-ACK information for the PDCCH including the information for DL SPS release to the base station, in which a first symbol of the uplink channel is transmitted at least after a processing time (Tproc,3) from when a last symbol of the PDCCH is transmitted, and the processing time is determined based on a smaller value between a subcarrier spacing value of the PDCCH and a subcarrier spacing value of the uplink channel ## Claims ### Claim 1 A method for transmitting hybrid automatic repeat request acknowledgement (HARQ-ACK) information by a user equipment (UE) in a wireless communication system, the method comprising: receiving a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release from a base station; and transmitting an uplink channel including HARQ-ACK information for the PDCCH including the information for DL SPS release to the base station, wherein a first symbol of the uplink channel is transmitted at least after a processing time (Tproc,3) from when a last symbol of the PDCCH is received, wherein the processing time is determined based on a smaller subcarrier spacing value between a subcarrier spacing value of the PDCCH and a subcarrier spacing value of the uplink channel, and wherein the subcarrier spacing value is a parameter (μ) indicating numerology associated with subcarrier spacing. ### Claim 2 (depends on 1) The method of claim 1, wherein the uplink channel is a physical uplink shared channel (PUSCH) in which the HARQ-ACK information is multiplexed. ### Claim 3 (depends on 1) The method of claim 1, wherein the processing time (Tproc,3) is calculated based on Tproc,3=(N3+d3)·(2048+144)·κ·2−μ·TC, wherein d3 is 1, wherein μ is the smaller subcarrier spacing value between the subcarrier spacing value (μPDCCH) of the PDCCH and the subcarrier spacing value (μUL) of the uplink channel, wherein N3 is determined based on μ, wherein TC is calculated based on TC=1/(Δfmax·Nf), in which μfmax is 480·103 Hz, and Nf is 4096, and wherein κ is κ=Ts/Tc=64, Ts is 1/(Δfref·Nf,ref), Δfref is 15·103 Hz, and Nf,ref is 2048. ### Claim 4 (depends on 3) The method of claim 3, wherein when μ is 0, N3 is 10, wherein when μ is 1, N3 is 12, wherein when μ is 2, N3 is 22, and wherein when μ is 3, N3 is 25. ### Claim 5 (depends on 1) The method of claim 1, wherein the first symbol of the uplink channel is transmitted not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is received. ### Claim 6 (depends on 1) The method of claim 1, wherein the PDCCH comprises downlink control information (DCI) including the information for DL SPS release. ### Claim 7 (depends on 1) The method of claim 1, wherein the HARQ-ACK information comprises acknowledgement (ACK) information or negative acknowledgement (NACK) information of the PDCCH including the information for DL SPS release. ### Claim 8 A user equipment (UE), the UE comprising: a transceiver; and at least one processor configured to: control the transceiver to receive a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release from a base station; and control the transceiver to transmit an uplink channel including hybrid automatic repeat request acknowledgement (HARQ-ACK) information for the PDCCH including the information for DL SPS release to the base station, wherein a first symbol of the uplink channel is transmitted at least after a processing time (Tproc,3) from when a last symbol of the PDCCH is received, wherein the processing time is determined based on a smaller subcarrier spacing value between a subcarrier spacing value of the PDCCH and a subcarrier spacing value of the uplink channel, and wherein the subcarrier spacing value is a parameter (μ) indicating numerology associated with subcarrier spacing. ### Claim 9 (depends on 8) The UE of claim 8, wherein the uplink channel is a physical uplink shared channel (PUSCH) in which the HARQ-ACK information is multiplexed. ### Claim 10 (depends on 8) The UE of claim 8, wherein the processing time (Tproc,3) is calculated based on Tproc,3=(N3+d3) (2048+144)·κ·2−μ·TC, wherein d3 is 1, wherein μ is the smaller subcarrier spacing value between the subcarrier spacing value (μPDCCH) of the PDCCH and the subcarrier spacing value (μUL) of the uplink channel, wherein N3 is determined based on μ, wherein TC is calculated based on TC=1/(Δfmax·Nf), in which Δfmax is 480·103 Hz, and Nf is 4096, and wherein κ is κ=Ts/Tc=64, Ts is 1/(Δfref·Nf,ref), Δfref is15·103 Hz, and Nf,ref is 2048. ### Claim 11 (depends on 10) The UE of claim 10, wherein when μ is 0, N3 is 10, wherein when μ is 1, N3 is 12, wherein when μ is 2, N3 is 22, and wherein when μ is 3, N3 is 25. ### Claim 12 (depends on 8) The UE of claim 8, wherein the first symbol of the uplink channel is transmitted not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is received. ### Claim 13 (depends on 8) The UE of claim 8, wherein the PDCCH comprises downlink control information (DCI) including the information for DL SPS release. ### Claim 14 (depends on 8) The UE of claim 8, wherein the HARQ-ACK information comprises acknowledgement (ACK) information or negative acknowledgement (NACK) information of the PDCCH including the information for DL SPS release. ### Claim 15 A method for receiving hybrid automatic repeat request acknowledgement (HARQ-ACK) information by a base station in a wireless communication system, the method comprising: transmitting a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release to a user equipment (UE); and receiving an uplink channel including HARQ-ACK information for the PDCCH including the information for DL SPS release from the UE, wherein a first symbol of the uplink channel is received at least after a processing time (Tproc,3) from when a last symbol of the PDCCH is transmitted, wherein the processing time is determined based on a smaller subcarrier spacing value between a subcarrier spacing value of the PDCCH and a subcarrier spacing value of the uplink channel, and wherein the subcarrier spacing value is a parameter (μ) indicating numerology associated with subcarrier spacing. ### Claim 16 (depends on 15) The method of claim 15, wherein the uplink channel is a physical uplink shared channel (PUSCH) in which the HARQ-ACK information is multiplexed. ### Claim 17 (depends on 15) The method of claim 15, wherein the processing time (Tproc,3) is calculated based on Tproc,3 (N3+d3) (2048+144)·κ·2−μ·TC, wherein d3 is 1, wherein μ is the smaller subcarrier spacing value between the subcarrier spacing value (μPDCCH) of the PDCCH and the subcarrier spacing value (μUL) of the uplink channel, wherein N3 is determined based on μ, wherein TC is calculated based on TC=1/(Δfmax·Nf), in which Δfmax is 480·103 Hz, and Nf is 4096, and wherein κ is κ=Ts/Tc=64, Ts is 1/(Δfref·Nf,ref), Δfref is 15·103 Hz, and Nf,ref is 2048. ### Claim 18 (depends on 17) The method of claim 17, wherein when μ is 0, N3 is 10, wherein when μ is 1, N3 is 12, wherein when μ is 2, N3 is 22, and wherein when μ is 3, N3 is 25. ### Claim 19 (depends on 15) The method of claim 15, wherein the first symbol of the uplink channel is received not before a first symbol with a cyclic prefix (CP) starting after the processing time from when the last symbol of the PDCCH is transmitted. ### Claim 20 A base station, the base station comprising: a transceiver; and at least one processor configured to: control the transceiver to transmit a physical downlink control channel (PDCCH) including information for downlink semi-persistent scheduling (DL SPS) release to a user equipment (UE); and control the transceiver to receive an uplink channel including hybrid automatic repeat request acknowledgement (HARQ-ACK) information for the PDCCH including the information for DL SPS release from the UE, wherein a first symbol of the uplink channel is received at least after a processing time (Tproc,3) from when a last symbol of the PDCCH is transmitted, wherein the processing time is determined based on a smaller subcarrier spacing value between a subcarrier spacing value of the PDCCH and a subcarrier spacing value of the uplink channel, and wherein the subcarrier spacing value is a parameter (pt) indicating numerology associated with subcarrier spacing.