# US 2019/0246388 A1 · Method for transmitting signal by using multi-beam in wireless communication system, and apparatus therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0246388 A1 - Document ID: US20190246388A1 - Status: Published application - Kind: A1 - Application number: 16/317,522 - Filed: 2017-07-12 - Published: 2019-08-08 - Earliest claimed: 2016-07-13 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Hanbyul SEO; Youngdae LEE; Kijun KIM; Seonwook KIM - Web page: https://patentgrep.com/patent/US20190246388A1 ## CPC - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 5/0082: {at predetermined intervals} - H04L 5/0023: {Time-frequency-space} - 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 Disclosed in the present application is a method by which a terminal transmits an uplink signal to a base station in a wireless communication system. Particularly, the method comprises the steps of: receiving, from a base station, information on a reception beam pattern, which is defined in a transmission time interval (TTI) unit, of the base station; determining an uplink transmission beam pattern, which is defined in the TTI unit, by using the information on the reception beam pattern of the base station; and sequentially and repetitively transmitting the uplink signal to the base station in the TTI unit according to the uplink transmission beam pattern. ## Claims ### Claim 1 A method of transmitting an uplink signal to a base station by a user equipment in a wireless communication system, the method comprising: receiving information on a received beam pattern of the base station defined in a Transmission Time Interval (TTI) unit from the base station; determining an uplink transmitted beam pattern defined in the TTI unit using the information on the received beam pattern of the base station; and transmitting the uplink signal in the TTI unit according to the uplink transmitted beam pattern to the base station sequentially and repeatedly. ### Claim 2 (depends on 1) The method of claim 1, the receiving the information on the received beam pattern of the base station, comprising: receiving two or more reference signals having different transmitted beams applied thereto in two or more TTIs from the base station sequentially; and checking the received beam pattern of the base station using the different transmitted beams. ### Claim 3 (depends on 2) The method of claim 2, the checking the received beam pattern of the base station, comprising assuming that a downlink channel and an uplink channel are identical to each other. ### Claim 4 (depends on 1) The method of claim 1, wherein the sequentially and repeatedly transmitted uplink signal includes a same data. ### Claim 5 (depends on 1) The method of claim 1, the transmitting the uplink signal in the TTI unit according to the uplink transmitted beam pattern to the base station sequentially and repeatedly, comprising if receiving an acknowledgement of the uplink signal from the base station during the sequential and repeated transmission, stopping the sequential and repeated transmission. ### Claim 6 A user equipment in a wireless communication system, the user equipment comprising: a wireless communication module; and a processor connected to the wireless communication module, the processor configured to receive information on a received beam pattern of the base station defined in a Transmission Time Interval (TTI) unit from the base station, determine an uplink transmitted beam pattern defined in the TTI unit using the information on the received beam pattern of the base station, and transmit the uplink signal in the TTI unit according to the uplink transmitted beam pattern to the base station sequentially and repeatedly. ### Claim 7 (depends on 6) The user equipment of claim 6, wherein the processor receives two or more reference signals having different transmitted beams applied thereto in two or more TTIs from the base station sequentially and checks the received beam pattern of the base station using the different transmitted beams. ### Claim 8 (depends on 7) The user equipment of claim 7, wherein the processor assumes that a downlink channel and an uplink channel are identical to each other in checking the received beam pattern of the base station. ### Claim 9 (depends on 6) The user equipment of claim 6, wherein the sequentially and repeatedly transmitted uplink signal includes a same data. ### Claim 10 (depends on 6) The user equipment of claim 6, wherein if receiving an acknowledgement of the uplink signal from the base station during the sequential and repeated transmission, the processor stops the sequential and repeated transmission.