# US 12,603,729 B2 · Terminal device, base station device, method for controlling terminal device, and method for controlling base station device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,603,729 B2 - Document ID: US12603729B2 - Status: Granted - Kind: B2 - Application number: 17/633,545 - Filed: 2020-08-05 - Published: 2022-09-15 - Granted: 2026-04-14 - Earliest claimed: 2019-08-14 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Hiroki Matsuda; Hiromasa Uchiyama; Naoki Kusashima; Yifu Tang - Web page: https://patentgrep.com/patent/US12603729B2 ## CPC - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes - H04L 1/08: by repeating transmission, e.g. Verdan system {(H04L1/1858 and H04L1/189 take precedence)} - H04L 1/1825: Adaptation of specific ARQ protocol parameters according to transmission conditions - H04L 1/1896: {ARQ related signaling} - H04W 16/28: using beam steering - H04W 72/044: based on the type of the allocated resource - H04W 72/20: Control channels or signalling for resource management - H04W 76/20: Manipulation of established connections - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - 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 terminal device includes a communication unit and a control unit. The control unit is configured to receive disabling information of hybrid automatic repeat request (HARQ) feedback via the communication unit, and recognize that one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are disabled, and the disabling information of the HARQ feedback is set for each cell, each beam, each component carrier, each bandwidth part (BWP), each user equipment (UE), or each HARQ process. ## Claims ### Claim 1 A terminal device comprising a communication unit and a control unit, wherein the control unit is configured to receive disabling information of hybrid automatic repeat request (HARQ) feedback via the communication unit, and recognize that one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are disabled, and the disabling information of the HARQ feedback is set for each HARQ process, wherein the disabling information of the HARQ feedback is transmitted in semi-static notification from a base station device, wherein the semi-static notification is RRC Setup, wherein the disabling information of the HARQ feedback includes identification information of a disabled HARQ process among one or more HARQ processes, wherein the disabling information of the HARQ feedback indicates starting HARQ-RTT-TimerDL when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the control unit is further configured to: start the HARQ-RTT-TimerDL for a corresponding HARQ process in a first symbol after a last symbol of a corresponding transmission carrying the HARQ feedback when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the HARQ-RTT-TimerDL is for Non-Terrestrial Network (NTN) communication, wherein a value of the HARQ-RTT-TimerDL for NTN communication is larger than a value of a HARQ-RTT-TimerDL for a Terrestrial Network (TN) communication. ### Claim 2 (depends on 1) The terminal device according to claim 1, wherein the dynamic notification is notification of downlink control information (DCI) or uplink control information (UCI). ### Claim 3 (depends on 1) The terminal device according to claim 1, wherein the disabling information of the HARQ feedback includes a number of disabled HARQ processes among one or more HARQ processes. ### Claim 4 (depends on 1) The terminal device according to claim 1, wherein the control unit switches compensation of an error rate characteristic according to switching from a HARQ process in which retransmission is not disabled to a HARQ process in which retransmission is disabled based on the disabling information of the HARQ feedback. ### Claim 5 (depends on 4) The terminal device according to claim 4, wherein, in response to switching to the HARQ process in which the retransmission is disabled, the control unit makes compensation for the error rate characteristic higher than that in a case of the HARQ process in which the retransmission is not disabled. ### Claim 6 (depends on 1) The terminal device according to claim 1, wherein the control unit transmits information on an increase or decrease via the communication unit in accordance with the increase or decrease in the number of the one or more HARQ processes. ### Claim 7 A base station device comprising a communication unit and a control unit, wherein the control unit is configured to transmit disabling information of hybrid automatic repeat request (HARQ) feedback via the communication unit, and recognize that one or more HARQ processes indicated by the disabling information of the HARQ feedback are disabled, and the disabling information of the HARQ feedback is set for each HARQ process, wherein the control unit transmits the disabling information of the HARQ feedback in semi-static notification, wherein the semi-static notification is RRC Setup, wherein the disabling information of the HARQ feedback includes identification information of a disabled HARQ process among the one or more HARQ processes, wherein the disabling information of the HARQ feedback indicates starting HARQ-RTT-TimerDL when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the control unit is further configured to: start the HARQ-RTT-TimerDL for a corresponding HARQ process in a first symbol after a last symbol of a corresponding transmission carrying the HARQ feedback when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the HARQ-RTT-TimerDL is for Non-Terrestrial Network (NTN) communication, wherein a value of the HARQ-RTT-TimerDL for NTN communication is larger than a value of a HARQ-RTT-TimerDL for a Terrestrial Network (TN) communication. ### Claim 8 (depends on 7) The base station device according to claim 7, wherein the dynamic notification is notification of downlink control information (DCI) or uplink control information (UCI). ### Claim 9 (depends on 7) The base station device according to claim 7, wherein the disabling information of the HARQ feedback includes a number of disabled HARQ processes among the one or more HARQ processes. ### Claim 10 (depends on 7) The base station device according to claim 7, wherein the control unit switches compensation of an error rate characteristic according to switching from a HARQ process in which retransmission is not disabled to a HARQ process in which retransmission is disabled based on the disabling information of the HARQ feedback. ### Claim 11 (depends on 10) The base station device according to claim 10, wherein, in response to switching to the HARQ process in which the retransmission is disabled, the control unit makes compensation for the error rate characteristic higher than that in a case of the HARQ process in which the retransmission is not disabled. ### Claim 12 A method for controlling a terminal device, the method comprising: receiving disabling information of hybrid automatic repeat request (HARQ) feedback via a communication unit; recognizing that one or more HARQ processes indicated by the disabling information of the HARQ feedback are disabled; and setting the disabling information of the HARQ feedback for each HARQ process, wherein the disabling information of the HARQ feedback is transmitted in semi-static notification from a base station device, wherein the semi-static notification is RRC Setup, wherein the disabling information of the HARQ feedback includes identification information of a disabled HARQ process among one or more HARQ processes, wherein the disabling information of the HARQ feedback indicates starting HARQ-RTT-TimerDL when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the control unit is further configured to: start the HARQ-RTT-TimerDL for a corresponding HARQ process in a first symbol after a last symbol of a corresponding transmission carrying the HARQ feedback when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the HARQ-RTT-TimerDL is for Non-Terrestrial Network (NTN) communication, wherein a value of the HARQ-RTT-TimerDL for NTN communication is larger than a value of a HARQ-RTT-TimerDL for a Terrestrial Network (TN) communication. ### Claim 13 A method for controlling a base station device, the method comprising: transmitting disabling information of hybrid automatic repeat request (HARQ) feedback via a communication unit; recognizing that one or more HARQ processes indicated by the disabling information of the HARQ feedback are disabled; and setting the disabling information of the HARQ feedback for each HARQ process, wherein the control unit transmits the disabling information of the HARQ feedback in semi-static notification, wherein the semi-static notification is RRC Setup, wherein the disabling information of the HARQ feedback includes identification information of a disabled HARQ process among the one or more HARQ processes, wherein the disabling information of the HARQ feedback indicates starting HARQ-RTT-TimerDL when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the control unit is further configured to: start the HARQ-RTT-TimerDL for a corresponding HARQ process in a first symbol after a last symbol of a corresponding transmission carrying the HARQ feedback when one or more pieces of HARQ feedback indicated by the disabling information of the HARQ feedback are enabled, wherein the HARQ-RTT-TimerDL is for Non-Terrestrial Network (NTN) communication, wherein a value of the HARQ-RTT-TimerDL for NTN communication is larger than a value of a HARQ-RTT-TimerDL for a Terrestrial Network (TN) communication.