公开(公告)号：US20230171076A1

公开(公告)日：2023-06-01

申请号：US18098862

申请日：2023-01-19

Applicant: LG Electronics Inc.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG ,  Kilbom LEE

IPC: H04L5/00 ,  H04W72/23

CPC classification number: H04L5/0048 ,  H04W72/23

Abstract: Disclosed are a method for transmitting and receiving a phase tracking reference signal (PTRS) in a wireless communication system, and an apparatus therefor. Specifically, a method for receiving the PTRS by a user equipment (UE) in a wireless communication system comprises receiving PTRS related configuration information; receiving downlink control information (DCI), wherein a code point corresponding to one or more transmission configuration indication (TCI) states is indicated on the basis of an antenna port field of the DCI; and receiving the PTRS through an antenna port corresponding to a specific DMRS port among the DMRS ports, wherein a number of antenna ports for receiving the PTRS may be determined on the basis of at least one of the maximum values of the number of TCI states corresponding to the code point, the number of CDM groups containing the DMRS port, or the number of antenna ports for receiving the PTRS.

公开(公告)号：US20230119810A1

公开(公告)日：2023-04-20

申请号：US17913965

申请日：2021-03-26

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Seonwook KIM ,  Inkwon SEO ,  Suckchel YANG ,  Jiwon KANG

IPC: H04W72/1273 ,  H04W72/23 ,  H04L5/00 ,  H04W24/08

Abstract: A method and an apparatus for transmitting and receiving a physical downlink control channel (PDCCH) in a wireless communication system are disclosed. A method for receiving a PDCCH according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, downlink control information (DCI) for scheduling a physical downlink shared channel (PDSCH) in the PDCCH; receiving the PDSCH from the base station; and transmitting, to the base station, acknowledgment (ACK) information in a physical uplink control channel (PUCCH), in response to the PDSCH. The PDCCH is repeatedly transmitted on a plurality of monitoring locations (MLs), the plurality of MLs are configured based on at least one control resource set (CORESET) and at least one search space set (SS), and a resource of the PUCCH is determined based on information on a control channel element (CCE) in one ML among the plurality of MLs and a PUCCH resource indicator in the DCI.

公开(公告)号：US20230118905A1

公开(公告)日：2023-04-20

申请号：US17908207

申请日：2021-03-15

Applicant: LG ELECTRONICS INC.

Inventor： Seongwon GO ,  Hyungtae KIM ,  Jiwon KANG ,  Haewook PARK

IPC: H04W72/1268 ,  H04W72/23 ,  H04L5/00

Abstract: Disclosed are a method and a device for transmitting or receiving a PUSCH in a wireless communication system. A method for transmitting a physical uplink shared channel (PUSCH) according to an embodiment of the present disclosure may comprise the steps of: receiving first configuration information related to a sounding reference signal (SRS) from a base station; receiving downlink control information (DCI) for PUSCH scheduling from the base station; and transmitting the PUSCH to the base station. On the basis that the first configuration information includes information relating to multiple SRS resource sets, the PUSCH is transmitted at N (N is a natural number) transmission occasions (TOs), and the DCI includes multiple SRS resource indicator (SRI) fields, the PUSCH may be transmitted at each of the TOs on the basis of an SRS resource in an SRS resource set identified by one SRI field among the multiple SRI fields related to each of the TOs.

公开(公告)号：US20230067370A1

公开(公告)日：2023-03-02

申请号：US17979090

申请日：2022-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG ,  Sukhyon YOON ,  Kilbom LEE

IPC: H04W72/04 ,  H04L5/00

Abstract: The present invention relates to a method and device for operating a terminal in a wireless communication system. According to the present invention, downlink control information is transmitted to a terminal and can include symbol information related to the last symbol of a downlink shared channel. A method and device can be provided wherein a terminal transmits a first demodulation reference signal (DMSR) and at least one second DMRS for demodulating downlink data, and transmits data through the downlink shared channel, and a symbol position to which the at least one second DMRS is mapped is determined according to the symbol information.

公开(公告)号：US20230056263A1

公开(公告)日：2023-02-23

申请号：US17760044

申请日：2021-02-15

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG ,  Haewook PARK

IPC: H04B7/06 ,  H04L5/00

Abstract: Disclosed are a method and apparatus for transmitting and receiving channel state information in a wireless communication system. The method for transmitting channel state information (CSI) according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, configuration information related to the CSI, wherein the configuration information includes information about a CSI-RS resource set; receiving a CSI-reference signal (CSI-RS) from the base station; and transmitting the CSI, to the base station, on the basis of the configuration information and the CSI-RS. The CSI-RS resource set may include M CSI-RS resource groups (M is a natural number), and the CSI may include N first CSI sets generated on the basis of a single CSI-RS resource in N mutually different CSI-RS resource groups (N≤M, N is a natural number) from among the M CSI-RS resource groups.

公开(公告)号：US20230047603A1

公开(公告)日：2023-02-16

申请号：US17791777

申请日：2021-02-04

Applicant: LG Electronics Inc.

Inventor： Hyungtae KIM ,  Jiwon KANG ,  Inkwon SEO

IPC: H04L5/00

Abstract: A method and a device of transmitting or receiving a downlink channel from multiple transmission and reception points in a wireless communication system is disclosed. A method of receiving a downlink signal by a terminal in a wireless communication system according to an embodiment of the present disclosure may include repeatedly receiving a downlink control channel including same downlink control information (DCI) in at least one transmission occasion (TO) from at least one transmission reception point (TRP); and based on the DCI including control information related to downlink signal reception, based on a time offset between a specific TO of the at least one TO and a receiving timing of a downlink signal related to the DCI being less than a predetermined threshold, receiving the downlink signal from a single TRP based on a default transmission configuration indicator (TCI) state and the default TCI state may be a TCI state related to a search space set or a control resource set (CORESET) having a lowest identifier in a latest slot that the terminal monitors.

公开(公告)号：US20230045971A1

公开(公告)日：2023-02-16

申请号：US17758326

申请日：2021-01-19

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Duckhyun BAE ,  Jiwon KANG ,  Hyunho LEE

IPC: H04W72/12 ,  H04L5/00 ,  H04L1/00

Abstract: Disclosed are a method and apparatus for repeatedly transmitting an uplink in a wireless communication system. A method by which a terminal repeatedly transmits a physical uplink shared channel (PUSCH), according to an embodiment of the present disclosure, comprises the steps of: receiving configuration information related to repeated transmission of the PUSCH; receiving downlink control information (DCI) for scheduling of the PUSCH; and repeatedly transmitting the PUSCH N times (an integer, greater than 1, of N) on the basis of the configuration information and the DCI. The PUSCH transmitted N times is circularly and sequentially mapped to a plurality of transmission configuration indicator (TCI) states in an ascending order, may be grouped into M PUSCH groups (an integer, greater than 1, of N) for each PUSCH to which the same TCI is mapped, and frequency hopping may be individually applied to the M PUSCH groups.

公开(公告)号：US20230023982A1

公开(公告)日：2023-01-26

申请号：US17782612

申请日：2021-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG ,  Haewook PARK

IPC: H04W72/12 ,  H04L1/08 ,  H04L5/00

Abstract: An uplink transmission and reception method and device in wireless communication system are disclosed. A method by which a terminal performs uplink transmission in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving configuration information related to a plurality of sounding reference signal (SRS) resource sets; receiving downlink control information (DCI), which indicates at least one from among a first SRS resource set, a second SRS resource set, or the first SRS resource set and the second SRS resource set and includes information indicating at least one SRS resource in the indicated at least one SRS resource set; and performing the uplink transmission on the basis of the indicated at least one SRS resource.

公开(公告)号：US20220400489A1

公开(公告)日：2022-12-15

申请号：US17755764

申请日：2020-11-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG

IPC: H04W72/04

Abstract: Disclosed in the present invention are a method for transmitting and receiving a physical channel in a wireless communication system, and a device for same. Specifically, a method for a UE (User equipment) to transmit and receive a physical channel in a wireless communication system comprises the steps of: receiving configuration information; receiving control information including a plurality of beam information; and transmitting an uplink channel or receiving a downlink channel on the basis of the control information, wherein: a repetitive transmission scheme is configured on the basis of the configuration information; a plurality of transmission occasions are set on the basis of the repetitive transmission scheme, each of the transmission occasions being indexed; and the plurality of pieces of beam information respectively correspond to the transmission occasions according to the order of the plurality of transmission occasions on the basis of predefined rules.

公开(公告)号：US20220287054A1

公开(公告)日：2022-09-08

申请号：US17635660

申请日：2020-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Inkwon SEO ,  Jiwon KANG ,  Jonghyun PARK

IPC: H04W72/12

Abstract: A method of transmitting and receiving an uplink channel in a wireless communication system and a device therefor are disclosed. Specifically, a method of transmitting an uplink channel by a user equipment (UE) includes receiving first downlink control information (DCI) based on a first control resource set group; wherein a first uplink channel is scheduled based on the first DCI; receiving second DCI based on a second control resource set group; wherein a second uplink channel is scheduled based on the second DCI; and transmitting only one of the first uplink channel and the second uplink channel based on overlapping of a resource of the first uplink channel and a resource of the second uplink channel, wherein the first or the second uplink channel is dropped based on a priority rule, and a priority of the priority rule is determined based on contents of information included in each uplink channel.