US-12621108-B2 - Method and apparatus for uplink transmission parameter configuration in wireless communication system

US12621108B2US 12621108 B2US12621108 B2US 12621108B2US-12621108-B2

Abstract

A method and an apparatus of performing an uplink transmission or reception in a wireless communication system are disclosed. According to an embodiment of the present disclosure may comprise receiving, from a network, a plurality of transmission parameter sets, wherein the plurality of transmission parameter sets correspond to a plurality of control resource set (CORESET) pools, respectively; and performing, in a single time unit, a first uplink transmission related to a first CORESET pool based on a first transmission parameter set, and a second uplink transmission related to a second CORESET pool based on a second transmission parameter set, wherein each of the first transmission parameter set and the second transmission parameter set includes at least one of information related to transmit precoding matrix indicator (TPMI), information related to sounding reference signal (SRS), or information related to scrambling.

Inventors

Hyungtae Kim
Jiwon Kang
Haewook Park
Kyuseok Kim
Seongwon GO

Assignees

LG ELECTRONICS INC.

Dates

Publication Date: 20260505
Application Date: 20221026
Priority Date: 20220121

Claims (7)

1 . A method comprising: receiving, by a terminal from a network, configuration information on a first sounding reference signal (SRS) resource set including a first at least one SRS resource, and a second SRS resource set including a second at least one SRS resource, wherein the first SRS resource set is associated with a first control resource set (CORESET) pool and the second SRS resource set is associated with a second CORESET pool; and based on a first physical downlink control channel (PDCCH) scheduling a first physical uplink shared channel (PUSCH) and a second PDCCH scheduling a second PUSCH, transmitting, by the terminal to the network, the first PUSCH and the second PUSCH, wherein first SRS resource indicator information included in downlink control information (DCI) of the first PDCCH associated with the first CORESET pool indicates an SRS resource of the first at least one SRS resource in the first SRS resource set associated with the first CORESET pool, wherein second SRS resource indicator information included in DCI of the second PDCCH associated with the second CORESET pool indicates an SRS resource of the second at least one SRS resource in the second SRS resource set associated with the second CORESET pool, wherein the first PUSCH and the second PUSCH are fully or partially overlapping in a time domain, and wherein an SRS is an uplink physical signal.
2 . The method of claim 1 , wherein: wherein each of a first transmission parameter set is associated with the first CORESET pool and includes information related to a first transmit precoding matrix indicator (TPMI), and a second transmission parameter set is associated with the second CORESET pool includes information related to a second (TPMI), the information related to first TPMI includes at least one of first full power transmission information, first codebook subset information, first transmission configuration (tx config) information, or first maximum rank (max rank) information, and the information related to second TPMI includes at least one of second full power transmission information, second codebook subset information, second transmission configuration (tx config) information, or second maximum rank (max rank) information.
3 . The method of claim 1 , wherein: wherein a first transmission parameter set associated with the first CORESET pool and includes information related to a first SRS resource, and a second transmission parameter set associated with the second CORESET pool includes information related to a second SRS resource, the information related to the first SRS includes at least one of first power control information, antenna port information, or first reference SRS resource information, and the information related to the second SRS includes at least one of second power control information, second antenna port information, or second reference SRS resource information.
4 . The method of claim 1 , wherein: wherein a first transmission parameter set associated with the first CORESET pool and includes first information related to scrambling, and a second transmission parameter set associated with the second CORESET pool includes second information related to scrambling, the first information related to scrambling includes at least one of a first data scrambling identity information for a first PUSCH, and the second information related to scrambling includes at least one of a second data scrambling identity information for a second PUSCH.
5 . The method of claim 4 , wherein: the first transmission parameter set is associated with the first CORESET pool includes at least one of first information related to TPMI, first information related to SRS, or first information related to scrambling, and the second transmission parameter set is associated with the second CORESET pool includes at least one of second information related to TPMI, second information related to SRS, or second information related to scrambling.
6 . A terminal comprising: at least one transceiver; and at least one processor connected to the at least one transceiver, wherein the at least one processor is configured to: receive, from a network through the at least one transceiver, configuration information on a first sounding reference signal (SRS) resource set including a first at least one SRS resource, and a second SRS resource set including a second at least one SRS resource, wherein the first SRS resource set is associated with a first control resource set (CORESET) pool and the second SRS resource set is associated with a second CORESET pool; and based on a first physical downlink control channel (PDCCH) scheduling a first physical uplink shared channel (PUSCH) and a second PDCCH scheduling a second PUSCH, transmit, to the network through the at least one transceiver, the first PUSCH and the second PUSCH, wherein first SRS resource indicator information included in downlink control information (DCI) of the first PDCCH associated with the first CORESET pool indicates an SRS resource of the first at least one SRS resource in the first SRS resource set associated with the first CORESET pool, wherein second SRS resource indicator information included in DCI of the second PDCCH associated with the second CORESET pool indicates an SRS resource of the second at least one SRS resource in the second SRS resource set associated with the second CORESET pool, wherein the first PUSCH and the second PUSCH are fully or partially overlapping in a time domain, and wherein an SRS is an uplink physical signal.
7 . A base station comprising: at least one transceiver; and at least one processor connected to the at least one transceiver, wherein the at least one processor is configured to: transmit, to a terminal through the at least one transceiver, configuration information on a first sounding reference signal (SRS) resource set including a first at least one SRS resource, and a second SRS resource set including a second at least one SRS resource, wherein the first SRS resource set is associated with a first control resource set (CORESET) pool and the second SRS resource set is associated with a second CORESET pool; and receive, from the terminal through the at least one transceiver, a first physical uplink shared channel (PUSCH) and a second PUSCH that are based on a first physical downlink control channel (PDCCH) scheduling the first PUSCH and a second PDCCH scheduling the second PUSCH, wherein first SRS resource indicator information included in downlink control information (DCI) of the first PDCCH associated with the first CORESET pool indicates an SRS resource of the first at least one SRS resource in the first SRS resource set associated with the first CORESET pool, wherein second SRS resource indicator information included in DCI of the second PDCCH associated with the second CORESET pool indicates an SRS resource of the second at least one SRS resource in the second SRS resource set associated with the second CORESET pool, wherein the first PUSCH and the second PUSCH are fully or partially overlapping in a time domain, and wherein an SRS is an uplink physical signal.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS Pursuant to 35 U.S.C. § 119(a), this application claims the benefit of earlier filing date and right of priority to Korean Patent Application No. 10-2022-0009444, filed Jan. 21, 2022, the contents of which are hereby incorporated by reference herein in its entirety. TECHNICAL FIELD The present disclosure relates to a wireless communication system, and in more detail, relates to a method and an apparatus of performing an uplink transmission or reception in a wireless communication system. BACKGROUND ART A mobile communication system has been developed to provide a voice service while guaranteeing mobility of users. However, a mobile communication system has extended even to a data service as well as a voice service, and currently, an explosive traffic increase has caused shortage of resources and users have demanded a faster service, so a more advanced mobile communication system has been required. The requirements of a next-generation mobile communication system at large should be able to support accommodation of explosive data traffic, a remarkable increase in a transmission rate per user, accommodation of the significantly increased number of connected devices, very low End-to-End latency and high energy efficiency. To this end, a variety of technologies such as Dual Connectivity, Massive Multiple Input Multiple Output (Massive MIMO), In-band Full Duplex, Non-Orthogonal Multiple Access (NOMA), Super wideband Support, Device Networking, etc. have been researched. DISCLOSURE Technical Object A technical object of the present disclosure is to provide a method and an apparatus of performing an uplink transmission or reception in a wireless communication system. An additional technical object of the present disclosure is to provide a method and an apparatus for performing a simultaneous uplink transmission or reception related to multiple transmission element and/or multiple transmission target in a wireless communication system. An additional technical object of the present disclosure is to provide a method and an apparatus for performing multiple transmission element-specific and/or multiple transmission target-specific simultaneous uplink transmission or reception in a wireless communication system. The technical objects to be achieved by the present disclosure are not limited to the above-described technical objects, and other technical objects which are not described herein will be clearly understood by those skilled in the pertinent art from the following description. Technical Solution A method of performing an uplink transmission by a terminal in a wireless communication system according to an aspect of the present disclosure may comprise receiving, from a network, a plurality of transmission parameter sets, wherein the plurality of transmission parameter sets correspond to a plurality of control resource set (CORESET) pools, respectively; and performing, in a single time unit, a first uplink transmission related to a first CORESET pool based on a first transmission parameter set, and a second uplink transmission related to a second CORESET pool based on a second transmission parameter set, wherein each of the first transmission parameter set and the second transmission parameter set includes at least one of information related to transmit precoding matrix indicator (TPMI), information related to sounding reference signal (SRS), or information related to scrambling. A method of receiving an uplink transmission by a base station in a wireless communication system according to an additional aspect of the present disclosure may comprise transmitting, to a terminal, a plurality of transmission parameter sets, wherein the plurality of transmission parameter sets correspond to a plurality of control resource set (CORESET) pools, respectively; and receiving, in a single time unit, a first uplink transmission related to a first CORESET pool based on a first transmission parameter set, and a second uplink transmission related to a second CORESET pool based on a second transmission parameter set, wherein each of the first transmission parameter set and the second transmission parameter set includes at least one of information related to transmit precoding matrix indicator (TPMI), information related to sounding reference signal (SRS), or information related to scrambling. Technical Effects According to an embodiment of the present disclosure, a method and an apparatus of performing an uplink transmission or reception in a wireless communication system may be provided. According to an embodiment of the present disclosure, a method and an apparatus for performing a simultaneous uplink transmission or reception related to multiple transmission element and/or multiple transmission target in a wireless communication system may be provided. According to an embodiment of the present disclosure, a method and an apparatus for performing multiple transmission element-specific and/or