公开(公告)号：US20220264615A1

公开(公告)日：2022-08-18

申请号：US17630438

申请日：2020-08-18

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Hyungtae KIM ,  Kyuseok KIM

IPC: H04W72/12 ,  H04W16/28 ,  H04B7/0408

Abstract: Presented in the present specification are a method for transmitting/receiving a physical downlink shared channel in a wireless communication system, and a device therefor. Particularly, a method performed by a terminal comprises the steps of: receiving configuration information about a control resource set (CORESET) of a first group and a CORESET of a second group; receiving a first physical downlink control channel (PDCCH) from the CORESET of the first group; receiving a first PDSCH on the basis of the first PDCCH; receiving a second PDCCH from the CORESET of the second group; and receiving a second PDSCH on the basis of the second PDCCH, wherein the first PDSCH and/or the second PDSCH can be received, on the basis of being scheduled within a scheduling offset, by using a default CORESET.

公开(公告)号：US20220174708A1

公开(公告)日：2022-06-02

申请号：US17651043

申请日：2022-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG

IPC: H04W72/12 ,  H04W72/04 ,  H04L1/08 ,  H04L1/16

Abstract: Disclosed in the present disclosure are a method for transmitting and receiving a physical downlink shared channel (PDSCH) in a wireless communication system, and a device therefor. Particularly, a method by which user equipment (UE) receives a PDSCH in a wireless communication system comprises the steps of: receiving configuration information for the PDSCH, the configuration information including a plurality of TCI state configurations; receiving activation information, the plurality of TCI state configurations being activated by the activation information, and the activation information including mapping information about the activated TCI state configurations and code points of a transmission configuration indication (TCI) field in downlink control information; receiving the DCI including the TCI field; and receiving a plurality of PDSCH transmission occasions on the basis of the indication, through the TCI field, of a specific code point mapped to a plurality of TCI states, wherein the plurality of PDSCH transmission occasions correspond to the same transport block, the plurality of PDSCH transmission occasions are received in a time area resource on the basis of time division multiplexing (TDM), and the number of the plurality of PDSCH transmission occasions can be determined on the basis of the number of TCI states mapped to the specific code point.

公开(公告)号：US20210266769A1

公开(公告)日：2021-08-26

申请号：US17069090

申请日：2020-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon CHUNG ,  Kyuseok KIM ,  Jiwon KANG ,  Haewook PARK

IPC: H04W24/10 ,  H04W72/04 ,  H04W76/28

Abstract: Provided are a method for transmitting and receiving channel state information (CSI) and an apparatus for the same. Specifically, the method includes receiving configuration information related to a CSI report, wherein the configuration information includes first information related with a time domain behavior of the CSI report, and based on the first information, one of (i) periodic, (ii) semi-persistent or (iii) aperiodic may be configured as a behavior of the CSI report in the time domain, receiving second information related with a time domain behavior of the CSI report, wherein the second information may be configured for a time duration including a plurality of specific units based on a specific unit in the time domain, receiving a reference signal for a CSI measurement, performing the CSI measurement based on the reference signal, and reporting the CSI in the time domain based on the first information and the second information.

公开(公告)号：US20210136748A1

公开(公告)日：2021-05-06

申请号：US16475365

申请日：2017-12-14

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Jiwon KANG ,  Kyuseok KIM ,  Minki AHN ,  Kilbom LEE

IPC: H04W72/04 ,  H04L5/00

Abstract: A method for transmitting, by a terminal, an uplink control channel and a localized SRS comprises the steps of: receiving, from a base station, first control information for triggering transmission of the uplink control channel and second control information for triggering transmission of the localized SRS; and if a transmission resource of the triggered uplink control channel overlaps with a transmission resource of the triggered localized SRS and the length of a frequency band of the localized SRS is shorter than or equal to the length of a coherent bandwidth, dividing the uplink control channel into a plurality of uplink control channel sub-blocks on a frequency domain and transmitting the divided uplink control channel sub-blocks, wherein the divided uplink control channel sub-blocks may be frequency division multiplexed with the triggered localized SRS and transmitted on one symbol.

公开(公告)号：US20200266946A1

公开(公告)日：2020-08-20

申请号：US16708240

申请日：2019-12-09

Applicant: LG Electronics Inc.

Inventor： Kyuseok KIM ,  Hyungtae KIM ,  Jiwon KANG ,  Seonwook KIM ,  Kilbom LEE ,  Hyunsoo KO ,  Kijun KIM ,  Minki AHN

IPC: H04L5/00 ,  H04B1/713 ,  H04L27/26 ,  H04B7/0452

Abstract: The present disclosure relates to a method and a device for a terminal transmitting a reference signal in a wireless communication system. According to the present disclosure, a method and a device may be provided, the method comprising: receiving, from a base station, configuration information associated with a configuration of a first demodulation reference signal for demodulating uplink data; and on the basis of the configuration information, transmitting the first demodulation reference signal and the uplink data to the base station via at least one antenna port, wherein the first demodulation reference signal and the uplink data are transmitted in a sub frame by means of frequency hopping, and the first demodulation reference signal is positioned on the same time axial symbol as that of at least one other demodulation reference signal transmitted on another antenna port.

公开(公告)号：US20200252182A1

公开(公告)日：2020-08-06

申请号：US16652024

申请日：2018-10-11

Applicant: LG ELECTRONICS INC.

Inventor： Kukheon CHOI ,  Jiwon KANG ,  Kyuseok KIM ,  Kilbom LEE

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for transmitting an SRS by a terminal may comprise the steps of: receiving, from a base station, one of an SRS resource indicator (SRI), a CSI-RS resource indicator (CRI), a synchronization signal block (SSB) identifier, and an uplink transmission configuration indicator (TCI); on the basis of whether the received indicator/identifier includes an indication that the corresponding indicator/identifier is commonly used for an SRS resource group or an indication that the corresponding indicator/identifier is used for a first SRS resource of the SRS resource group, determining whether to use the same transmission beam or use different transmission beams to transmit an SRS in the SRS resource group; on the basis of the determination, determining a transmission beam for the terminal, indicated by the received indicator/identifier; and transmitting the SRS in the first SRS resource on the basis of the transmission beam for the terminal, wherein the SRS resource group includes the first SRS resource and a second SRS resource. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US20200213049A1

公开(公告)日：2020-07-02

申请号：US16319266

申请日：2018-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jiwon KANG ,  Kijun KIM ,  Hyunsoo KO ,  Kyuseok KIM

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for transmitting and receiving a Reference Signal in a wireless communication system performed by a UE is disclosed. According to the present invention, a UE receives, from a base station, Downlink Control Information and receives a Demodulation Reference Signal (DMRS) through a plurality of antenna ports based on the Downlink Control Information and downlink data.The UE demodulates the downlink data based on the DMRS, and the downlink data is received in a same symbol as the DMRS or in different symbols with each other based on a number of symbols related to the downlink data.

公开(公告)号：US20200077419A1

公开(公告)日：2020-03-05

申请号：US16613726

申请日：2018-05-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12 ,  H04L5/00

Abstract: According to an embodiment of the present specification, a method for transmitting, by a base station, a signal for eliminating phase noise by a terminal in an mmWave communication system may be provided. A method for transmitting a signal for eliminating phase noise may comprise the steps of: generating a PTRS; allocating the PTRS to one or more resource blocks included in a scheduled bandwidth; and transmitting the allocated PTRS, wherein an interval between the one or more resource blocks, to which the PTRs are allocated, is determined on the basis of the scheduled bandwidth.

公开(公告)号：US20200028643A1

公开(公告)日：2020-01-23

申请号：US16064882

申请日：2018-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kyuseok KIM

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for receiving a downlink signal by a user equipment (UE) from an eNB in a wireless communication system is disclosed. In detail, the method comprises the steps of receiving a downlink control channel from the eNB; and receiving, from the eNB, a downlink data channel and a front loaded reference signal for demodulation of the downlink data channel by using control information included in the downlink control channel, wherein resource elements of symbols to which a front loaded reference signal is received are identified by two multiplexing groups or three multiplexing groups, and the downlink control channel includes information on a multiplexing group, to which the front loaded reference signal is allocated, among the multiplexing groups, and information on the number of multiplexing groups, to which data are not allocated, among the multiplexing groups.

公开(公告)号：US20200014513A1

公开(公告)日：2020-01-09

申请号：US16575170

申请日：2019-09-18

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom LEE ,  Hyunsoo KO ,  Jiwon KANG ,  Kyuseok KIM ,  Kijun KIM

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

Abstract: According to an embodiment of the present specification, provided is a method for transmitting a signal that allows a user equipment to cancel phase noise by a base station in an mmWave communication system. In this case, the method may include: generating a PTRS for estimating phase noise of a downlink signal; transmitting PTRS power boosting level information for the PTRS to the user equipment via downlink signaling; and transmitting the PTRS via downlink signaling based on the PTRS power boosting level information. In this case, the PTRS power boosting level information may be determined based on at least one of MCS level and PRB size.