# US 2014/0192749 A1 · Method and apparatus for supporting harq > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192749 A1 - Document ID: US20140192749A1 - Status: Published application - Kind: A1 - Application number: 14/209,865 - Filed: 2014-03-13 - Published: 2014-07-10 - Earliest claimed: 2008-02-03 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Hak Seong KIM; Joon Kui AHN; Dae Won LEE - Web page: https://patentgrep.com/patent/US20140192749A1 ## CPC - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 1/0004: {applied to control information} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/0027: {Scheduling of signalling, e.g. occurrence thereof} - H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 5/0057: {Physical resource allocation for CQI} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - 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 of supporting Hybrid Automatic Repeat Request (HARQ) includes receiving an initial uplink grant on a downlink channel, transmitting uplink data on an uplink channel using the initial uplink grant, receiving a request for retransmission of the uplink data, determining at least one transmission parameter of a channel quality indicator (CQI) from the initial uplink grant, multiplexing retransmission data of the uplink data with the CQI, and transmitting the multiplexed data on the uplink channel. Amount of resources for transmission of the CQI is determined based on the at least one transmission parameter. ## Claims ### Claim 1 A method for supporting retransmission in a wireless communication system, the method performed by a base station and comprising: receiving, from a user equipment, initial uplink data on a physical uplink shared channel (PUSCH), wherein the initial uplink data is transmitted by using a transmission parameter indicating an allocated resource; and receiving, from the user equipment, subsequent uplink data on the PUSCH, wherein retransmission data of the initial uplink data and a channel quality indicator (CQI) are multiplexed in the subsequent uplink data, and wherein a radio resource used for the CQI is determined based on the transmission parameter indicating the allocated resource for the initial uplink data. ### Claim 2 (depends on 1) The method of claim 1, wherein the transmission parameter is associated with at least the CQI or PUSCH transmission. ### Claim 3 (depends on 1) The method of claim 1, wherein the CQI is an aperiodic CQI. ### Claim 4 (depends on 1) The method of claim 1, further comprising: transmitting an initial uplink grant on a physical downlink control channel (PDCCH), wherein the initial uplink grant is used for the initial uplink data. ### Claim 5 (depends on 1) The method of claim 1, further comprising: transmitting a request for retransmission of the initial uplink data on a physical HARQ indicator channel (PHICH), wherein the subsequent uplink data is received in response to the request. ### Claim 6 (depends on 1) The method of claim 1, wherein the base station supports Hybrid Automatic Repeat Request (HARQ). ### Claim 7 (depends on 1) The method of claim 1, further comprising: transmitting a retransmission uplink grant on a physical downlink control channel (PDCCH), wherein the subsequent uplink data is transmitted based on a radio resource which is determined based on the retransmission uplink grant. ### Claim 8 A base station for supporting retransmission in a wireless communication system, the base station comprising: a radio frequency unit; and a processor coupled to the radio frequency unit and configured for: receiving, from a user equipment, initial uplink data on a physical uplink shared channel (PUSCH), wherein the initial uplink data is transmitted by using a transmission parameter indicating an allocated resource; and receiving, from the user equipment, subsequent uplink data on the PUSCH, wherein retransmission data of the initial uplink data and a channel quality indicator (CQI) are multiplexed in the subsequent uplink data, and wherein a radio resource used for the CQI is determined based on the transmission parameter indicating the allocated resource for the initial uplink data. ### Claim 9 (depends on 8) The base station of claim 8, wherein the transmission parameter is associated with at least the CQI or PUSCH transmission. ### Claim 10 (depends on 8) The base station of claim 8, wherein the CQI is an aperiodic CQI. ### Claim 11 (depends on 8) The base station of claim 8, wherein the processor is further configured for: transmitting an initial uplink grant on a physical downlink control channel (PDCCH), wherein the initial uplink grant is used for the initial uplink data. ### Claim 12 (depends on 8) The base station of claim 8, wherein the processor is further configured for: transmitting a request for retransmission of the initial uplink data on a physical HARQ indicator channel (PHICH), wherein the subsequent uplink data is received in response to the request. ### Claim 13 (depends on 8) The base station of claim 8, wherein the base station supports Hybrid Automatic Repeat Request (HARQ). ### Claim 14 (depends on 8) The base station of claim 8, wherein the processor is further configured for: transmitting a retransmission uplink grant on a physical downlink control channel (PDCCH), wherein the subsequent uplink data is transmitted based on a radio resource which is determined based on the retransmission uplink grant.