# US 2020/0404648 A1 · Uplink data transmission method in wireless communication system supporting non-licensed band and device supporting same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0404648 A1 - Document ID: US20200404648A1 - Status: Published application - Kind: A1 - Application number: 16/328,656 - Filed: 2017-09-05 - Published: 2020-12-24 - Earliest claimed: 2016-09-06 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seonwook KIM; Joonkui AHN; Suckchel YANG; Changhwan PARK; Sunyoung LEE - Web page: https://patentgrep.com/patent/US20200404648A1 ## CPC - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/12: Wireless traffic scheduling - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 27/0006: {Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio (for spectrum sharing between different networks H04W16/14)} - 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 The present disclosure discloses: an uplink data transmission method for a terminal; and a device supporting same. More specifically, the present disclosure discloses: a method for transmitting uplink data from a terminal to a base station through a non-licensed band in a wireless communication system supporting the non-licensed band; and a device supporting same. ## Claims ### Claim at position 1 1-18. (canceled) ### Claim 19 A method of transmitting uplink (UL) data by a user equipment (UE) in a wireless communication system supporting an unlicensed band, the method comprising: receiving scheduling information for UL data transmission, wherein the scheduling information comprises first offset information received on a first time resource, second offset information received on a second time resource, and starting position information of the UL data transmission; identifying a maximum timing advance (TA) value for the UE based on the first offset information, the second offset information, and the starting position information; and performing the UL data transmission on the unlicensed band or dropping the UL data transmission, at a starting position related with the starting position information within a third time resource, based on a result of comparing the maximum TA value with a TA value configured to the UE, wherein the third time resource is identified based on the first offset information and the second offset information. ### Claim 20 (depends on 19) The method of claim 19, wherein the UL data is a physical uplink shared channel (PUSCH). ### Claim 21 (depends on 19) The method of claim 19, wherein the starting position information informs, as a starting position of the UL data transmission, one of: symbol #0 boundary, symbol #0 boundary+25 μs, symbol #0 boundary+25 μs+TA value configured to the UE, and symbol #1 boundary. ### Claim 22 (depends on 19) The method of claim 19, wherein the third time resource is a time resource after a time duration from the second time resource, wherein the time duration is related with the sum of a value related with the first offset information and a value related with the second offset information. ### Claim 23 (depends on 22) The method of claim 22, wherein the maximum TA value for the UE is differently identified based on a time length from the second time resource to the starting position related with the starting position information within the third time resource. ### Claim 24 (depends on 23) The method of claim 23, wherein, a time length from the second time resource to the starting position related with the starting position information within the third time resource increases, a value of the maximum TA for the UE increases. ### Claim 25 (depends on 19) The method of claim 19, wherein performing the UL data transmission or dropping the UL data transmission comprises: in case of the maximum TA value being greater than or equal to the TA value configured to the UE, performing the UL data transmission at the starting position related with the starting position information within the third time resource, and, in case of the maximum TA value being less than the TA value configured to the UE, dropping the UL data transmission at the starting position related with the starting position information within the third time resource. ### Claim 26 (depends on 19) The method of claim 19, wherein the sum of a value related with the first offset information and a value related with the second offset information is greater than or equal to 1 and less than or equal to 3. ### Claim 27 (depends on 19) The method of claim 19, further comprising: in case of sounding reference signal (SRS) transmission being scheduled with the UL data transmission and the UL data transmission being dropped based on the result of comparing the maximum TA value with the TA value configured to the UE, performing scheduled SRS transmission regardless of dropping of the UL data transmission. ### Claim 28 A user equipment (UE) for transmitting uplink (UL) data in a wireless communication system supporting an unlicensed band, the UE comprising: a transmitter; a receiver; and at least one processor coupled with the transmitter and the receiver, wherein the at least one processor is configured to: receive scheduling information for UL data transmission, wherein the scheduling information comprises first offset information received on a first time resource, second offset information received on a second time resource, and starting position information of the UL data transmission; identify a maximum timing advance (TA) value for the UE based on the first offset information, the second offset information, and the starting position information; and perform the UL data transmission on the unlicensed band or dropping the UL data transmission, at a starting position related with the starting position information within a third time resource, based on a result of comparing the maximum TA value with a TA value configured to the UE, wherein the third time resource is identified based on the first offset information and the second offset information. ### Claim 29 (depends on 28) The UE of claim 28, wherein the UL data is a physical uplink shared channel (PUSCH). ### Claim 30 (depends on 28) The UE of claim 28, wherein the starting position information informs, as a starting position of the UL data transmission, one of: symbol #0 boundary, symbol #0 boundary+25 μs, symbol #0 boundary+25 μs+TA value configured to the UE, and symbol #1 boundary. ### Claim 31 (depends on 28) The UE of claim 28, wherein the third time resource is a time resource after a time duration from the second time resource, wherein the time duration is related with the sum of a value related with the first offset information and a value related with the second offset information. ### Claim 32 (depends on 31) The UE of claim 31, wherein the maximum TA value for the UE is differently identified based on a time length from the second time resource to the starting position related with the starting position information within the third time resource. ### Claim 33 (depends on 32) The UE of claim 32, wherein, a time length from the second time resource to the starting position related with the starting position information within the third time resource increases, a value of the maximum TA for the UE is increases. ### Claim 34 (depends on 28) The UE of claim 28, wherein the at least one processor is further configured to: in case of the maximum TA value being greater than or equal to the TA value configured to the UE, perform the UL data transmission at the starting position related with the starting position information within the third time resource, and, in case of the maximum TA value being less than the TA value configured to the UE, drop the UL data transmission at the starting position related with the starting position information within the third time resource. ### Claim 35 (depends on 28) The UE of claim 28, wherein the sum of a value related with the first offset information and a value related with the second offset information is greater than or equal to 1 and less than or equal to 3. ### Claim 36 (depends on 28) The UE of claim 28, wherein the at least one processor is further configured to: in case of sounding reference signal (SRS) transmission being scheduled with the UL data transmission and the UL data transmission being dropped based on the result of comparing the maximum TA value with the TA value configured to the UE, perform scheduled SRS transmission regardless of dropping of the UL data transmission.