# US 11,451,282 B2 · Method and apparatus for transmitting and receiving uplink data 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 11,451,282 B2 - Document ID: US11451282B2 - Status: Granted - Kind: B2 - Application number: 17/669,895 - Filed: 2022-02-11 - Published: 2022-05-26 - Granted: 2022-09-20 - Earliest claimed: 2019-02-14 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Haewook Park; Jiwon Kang; Jonghyun Park; Kijun Kim; Sukhyon Yoon - Web page: https://patentgrep.com/patent/US11451282B2 ## CPC - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04W 52/146: {Uplink power control} - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - H04B 7/0481: {using subset selection of codebooks} - H04B 7/0628: {Diversity capabilities} - H04B 7/06956: {using a selection of antenna panels} - H04B 7/06968: {using quasi-colocation [QCL] between signals} - H04B 7/088: {using beam selection} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/0681: {adapting space time parameters, i.e. modifying the space time matrix} - H04L 5/0057: {Physical resource allocation for CQI} - H04L 27/20: Modulator circuits; Transmitter circuits - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 52/367: {Power values between minimum and maximum limits, e.g. dynamic range} - H04W 52/50: at the moment of starting communication in a multiple access environment - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 1/1867: Arrangements specially adapted for the transmitter end - H04W 8/24: Transfer of terminal data - Y02D 30/70: in wireless communication networks - H04B: TRANSMISSION - 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) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Disclosed herein are a method and a device for transmitting a message in an initial access procedure by a user equipment (UE) in a wireless communication system. According to the present disclosure, a UE may transmit to a base station capability information associated with transmission power of the UE and the information may include a subset including at least one transmit precoding matrix indicator (TPMI) supported by the UE. The UE may receive first control information for transmitting a message associated with an initial access and the control information may include a TPMI used for the UE to transmit the message. Thereafter, the UE may transmit to the base station the message by using transmission power determined based on the TPMI and the transmission power may be determined according to whether the TPMI is included in the at least one TPMI. ## Claims ### Claim 1 A method of transmitting uplink data by a user equipment (UE) in a wireless communication system, the method comprising: transmitting, to a base station, capability information including (i) coherence capability and (ii) full power transmission capability; receiving, from the base station, configuration information for configuring a codebook subset including at least one transmit precoding matrix indicator (TPMI) which is a part of TPMIs included in a codebook; receiving, from the base station, downlink control information (DCI) (i) for scheduling the uplink data and (ii) including information for a TPMI for transmitting the uplink data; determining a transmission power for the uplink data; and transmitting, to the base station, the uplink data based on (i) the codebook subset, (ii) the TPMI based on the DCI and (iii) the determined transmission power, and wherein the codebook subset is configured based on (i) the coherence capability and (ii) the full power transmission capability, and based on the full power transmission capability being information for the UE not supporting full power transmission with single port: wherein based on the coherence capability being information for non coherent, the codebook subset (i) is configured as a non coherent codebook subset and (ii) includes at least one fully coherent TPMI and/or at least one partially coherent TPMI for a rank 1, rank 2, and rank 3. ### Claim 2 (depends on 1) The method of claim 1, based on the full power transmission capability being the information for the UE not supporting the full power transmission with the single port: wherein the at least one fully coherent TPMI is for uplink transmission for the rank 1 using 2 or 4 ports, and wherein the at least one partially coherent TPMI is for uplink transmission for the rank 2 and the rank 3 using 4 ports. ### Claim 3 (depends on 2) The method of claim 2, based on the full power transmission capability being the information for the UE not supporting the full power transmission with the single port: wherein a scaling factor for determining the transmission power is defined as a ratio of a number of ports with non-zero transmission power over a maximum number of sounding reference signal (SRS) ports supported by the UE in one SRS resource for all the at least one TPMI included in the codebook subset. ### Claim 4 (depends on 3) The method of claim 3, based on the full power transmission capability being the information for the UE not supporting the full power transmission with the single port: wherein based on (i) the coherence capability being the information for the non coherent and (ii) the information for the TPMI included in the DCI being information for one of the at least one fully coherent TPMI, a value of the scaling factor is ‘1’. ### Claim 5 (depends on 3) The method of claim 3, based on the full power transmission capability being the information for the UE not supporting the full power transmission with the single port: wherein based on (i) the coherence capability being the information for the non coherent and (ii) the information for the TPMI included in the DCI being information for one of the at least one partially coherent TPMI, a value of the scaling factor is ‘1’. ### Claim 6 (depends on 1) The method of claim 1, based on the full power transmission capability being information for the UE supporting the full power transmission with the single port for some ports among all ports: wherein the full power transmission capability includes information on at least one specific TPMI which delivers full power. ### Claim 7 (depends on 6) The method of claim 6, based on the full power transmission capability being the information for the UE supporting the full power transmission with the single port for the some ports among the all ports: wherein a value of a scaling factor for determining the transmission power is ‘1’ for the at least one specific TPMI which delivers full power reported by the UE, among the at least one TPMI included in the codebook subset, and wherein the scaling factor is defined as a ratio of a number of ports with non-zero transmission power over a number of SRS ports for remaining TPMIs other than the at least one specific TPMI which delivers full power, among the at least one TPMI included in the codebook subset. ### Claim 8 (depends on 7) The method of claim 7, based on the full power transmission capability being the information for the UE supporting the full power transmission with the single port for the some ports among the all ports: wherein the at least one specific TPMI which delivers the full power is based on a non coherent TPMI and/or a partial coherent TPMI. ### Claim 9 (depends on 8) The method of claim 8, based on the full power transmission capability being the information for the UE supporting the full power transmission with the single port for the some ports among the all ports: wherein based on the coherence capability being the information for the non coherent, the at least one specific TPMI which delivers the full power is based on the non coherent TPMI. ### Claim 10 (depends on 9) The method of claim 9, based on the full power transmission capability being the information for the UE supporting the full power transmission with the single port for the some ports among the all ports: wherein based on the coherence capability being information for partial coherent, the at least one specific TPMI which delivers the full power is based on the non coherent TPMI and the partial coherent TPMI, and wherein the partial coherent TPMI is for uplink transmission for the rank 1 using 4 ports. ### Claim 11 (depends on 1) The method of claim 1, based on the full power transmission capability being information for the UE supporting the full power transmission with the single port for all ports: wherein a value of a scaling factor for determining the transmission power is ‘1’ for the at least one TPMI included in the codebook subset. ### Claim 12 (depends on 1) The method of claim 1, wherein the coherence capability includes one of (i) information for the non coherent, (iii) information for partial coherent and (iii) information full coherent. ### Claim 13 A user equipment (UE) configured to transmit uplink data in a wireless communication system, the UE comprising: one or more transceivers; one or more processors; and one or more memories connected to the one or more processors and storing instructions that, based on being executed by the one or more processors, perform operations that include: transmitting, to a base station, capability information including (i) coherence capability and (ii) full power transmission capability; receiving, from the base station, configuration information for configuring a codebook subset including at least one transmit precoding matrix indicator (TPMI) which is a part of TPMIs included in a codebook; receiving, from the base station, downlink control information (DCI) (i) for scheduling the uplink data and (ii) including information for a TPMI for transmitting the uplink data; determining a transmission power for the uplink data; and transmitting, to the base station, the uplink data based on (i) the codebook subset, (ii) the TPMI based on the DCI and (iii) the determined transmission power, and wherein the codebook subset is configured based on (i) the coherence capability and (ii) the full power transmission capability, and based on the full power transmission capability being information for the UE not supporting full power transmission with single port: wherein based on the coherence capability being information for non coherent, the codebook subset (i) is configured as a non coherent codebook subset and (ii) includes at least one fully coherent TPMI and/or at least one partially coherent TPMI for a rank 1, rank 2 and rank 3.