公开(公告)号：US20200067690A1

公开(公告)日：2020-02-27

申请号：US16489164

申请日：2018-02-28

Applicant: LG Electronics Inc.

Inventor： Changhwan PARK ,  Seonwook KIM ,  Joonkui AHN ,  Sukhyon YOON ,  Yunjung YI

IPC: H04L5/14 ,  H04W72/04 ,  H04W72/08 ,  H04L5/00

Abstract: A signal transmission/reception method comprising the steps of: receiving, from a base station, configuration information for configuring the operation of a terminal according to a first communication system; obtaining transmission power information on a downlink signal of the first communication system on the basis of the configuration information; and receiving the downlink signal from the base station on the basis of the transmission power information, wherein the downlink signal is transmitted via a downlink carrier of the first communication system, and the downlink carrier is allocated in an FDD mode in a guard-band between an in-band and the guard-band configured for a second communication system.

公开(公告)号：US20200059392A1

公开(公告)日：2020-02-20

申请号：US16663717

申请日：2019-10-25

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Yunjung YI

IPC: H04L27/26 ,  H04W56/00 ,  H04W72/04 ,  H04W8/00 ,  H04W76/27 ,  H04W76/14 ,  H04L5/00

Abstract: Provided are a method for performing device-to-device (D2D) operation of a terminal in a wireless communication system, and a terminal using the same. The method is characterized by applying frequency synchronization on the basis of a primary cell of a first frequency, applying time synchronization on the basis of a non-serving cell of a second frequency for which D2D operation is to be performed, and performing the D2D operation on the basis of the frequency synchronization and the time synchronization.

公开(公告)号：US20200045639A1

公开(公告)日：2020-02-06

申请号：US16593538

申请日：2019-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Dongyoun SEO ,  Yunjung YI

IPC: H04W52/14 ,  H04W52/50 ,  H04L5/14 ,  H04L5/00 ,  H04W72/04 ,  H04L27/26 ,  H04L1/18 ,  H04W52/28 ,  H04W52/36 ,  H04W52/58

Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for a terminal controlling uplink power in the wireless communication system, comprising the steps of: configuring an uplink subframe (UL SF) of a first set and a UL SF of a second set; receiving a downlink control information (DCI) format including a bitmap for indicating transmit power control (TPC) for a plurality of terminals; and controlling transmit power of an uplink channel by using TPC information on the terminals from the bitmap, wherein the TPC information is used for controlling transmit power of an uplink channel transmitted from the UL SF of the first set when the DCI format comprises a first identifier, and the TPC information is used for controlling transmit power of an uplink channel transmitted from the UL SF of the second set when the DCI format comprises a second identifier.

公开(公告)号：US20200045569A1

公开(公告)日：2020-02-06

申请号：US16528068

申请日：2019-07-31

Applicant: LG Electronics Inc.

Inventor： Inkwon SEO ,  Yunjung YI

IPC: H04W24/08 ,  H04W72/04 ,  H04W72/10 ,  H04W56/00

Abstract: A method of monitoring a control signal in a wireless communication system, where the method is performed by a user equipment (UE) and includes: selecting at least one control resource set (CORESET) among a plurality of CORESETs based on an overlap between physical downlink control channel (PDCCH) monitoring occasions in the plurality of CORESETs; and monitoring a PDCCH only in the selected at least one CORESET, among the plurality of CORESETs. The method also includes: based on the at least one CORESET including a first CORESET, and based on a first reference signal of the first CORESET and a second reference signal of a second CORESET being associated with a same synchronization signal/physical broadcast channel block (SSB): monitoring the PDCCH in both the first CORESET and the second CORESET.

公开(公告)号：US20200037369A1

公开(公告)日：2020-01-30

申请号：US16593632

申请日：2019-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Yunjung YI ,  Hyangsun YOU ,  Bonghoe KIM

IPC: H04W74/08 ,  H04W4/70 ,  H04W72/04 ,  H04W72/12

Abstract: A method for performing a random access procedure in a wireless communication system supporting coverage enhancement, the method including performed by a user equipment (UE), determining a coverage enhancement level required for the UE; repeatedly transmitting a physical random access channel (PRACH) signal based on the determined coverage enhancement level; and monitoring a physical downlink control channel (PDCCH) candidates for a random access response (RAR) in response to the PRACH signal, wherein the PDCCH candidates for the RAR are determined based on the coverage enhancement level required for the UE.

公开(公告)号：US20200037323A1

公开(公告)日：2020-01-30

申请号：US16483632

申请日：2018-02-05

Applicant: LG Electronics Inc.

Inventor： Huayue SONG ,  Yunjung YI

IPC: H04W72/04

Abstract: The present specification provides a method for configuring a common search space (CSS) in a wireless communication system. Specifically, a method performed by a network may comprise the steps of: acquiring, from at least one terminal, information on a bandwidth of the at least one terminal; determining a particular subband indicating a bandwidth unit available for communication with the terminal; determining the number of particular subbands on the basis of the determined particular subband and the acquired information on the bandwidth of the terminal; and mapping, on the basis of the determined number of particular subbands and the aggregation level of the CSS, a part of the aggregation level to each particular subband. Therefore, it is possible to efficiently use radio resources through the CSS configuration method proposed in the present specification.

公开(公告)号：US20200008227A1

公开(公告)日：2020-01-02

申请号：US16065705

申请日：2018-03-09

Applicant: LG Electronics Inc.

Inventor： Hyunho LEE ,  Daesung HWANG ,  Yunjung YI

IPC: H04W72/12 ,  H04W72/04 ,  H04L1/18 ,  H04W28/02

Abstract: A method of transmitting a scheduling request (SR) for a user equipment (UE) for supporting a plurality of transmission time interval (TTI) lengths in a wireless communication system is performed by the UE and includes receiving downlink data, and transmitting hybrid automatic retransmission request-acknowledgement/non-acknowledgement (HARQ-ACK) in a first physical uplink control channel (PUCCH) with a first TTI length for transmitting HARQ-ACK corresponding to the downlink data when transmission timings of the first PUCCH and a second PUCCH for transmitting SR overlap with each other, wherein, when the first PUCCH includes a smaller number of symbols than the second PUCCH and the first PUCCH does not include an effective SR resource, the SR is not transmitted.

公开(公告)号：US20190357264A1

公开(公告)日：2019-11-21

申请号：US16475989

申请日：2018-01-04

Applicant: LG Electronics Inc.

Inventor： Yunjung YI ,  Seonwook KIM ,  Daesung HWANG ,  Inkwon SEO

IPC: H04W74/08 ,  H04W24/10 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00

Abstract: A method and apparatus for transmitting a physical random access channel (PRACH) in a wireless communication system is provided. A user equipment (UE) receives multiple PRACH configurations which include a first PRACH configuration for new radio access technology (NR) downlink/uplink (DL/UL) carrier in a NR band and a second PRACH configuration for a supplemental UL carrier in a long-term evolution (LTE) band, and transmits at least one of a first PRACH for accessing the NR DL/UL carrier in the NL band by using a first PRACH power based on the first PRACH configuration, or a second PRACH for accessing the supplemental UL carrier in the LTE band by using a second PRACH power based on the second PRACH configuration. The first PRACH configuration and the second PRACH configuration include different PRACH power configuration.

公开(公告)号：US20190357188A1

公开(公告)日：2019-11-21

申请号：US16529117

申请日：2019-08-01

Applicant: LG Electronics Inc.

Inventor： Kyuhwan KWAK ,  Inkwon SEO ,  Yunjung YI ,  Hyunho LEE ,  Daesung HWANG

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00

Abstract: A method of receiving a downlink control channel at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving information on a resource element group (REG) bundle size and information on a size of a matrix for interleaving a plurality of REGs configuring at least one control channel element (CCE) through a higher layer, determining the matrix for interleaving the plurality of REGs based on the information on the size of the matrix and the information on the REG bundle size, interleaving the plurality of REGs bundled into one or more REG bundles according to the REG bundle size using the matrix, and receiving the downlink control channel based on the plurality of interleaved REGs.

公开(公告)号：US20190342061A1

公开(公告)日：2019-11-07

申请号：US16319806

申请日：2017-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Eunsun KIM ,  Hyunsoo KO ,  Kijun KIM ,  Yunjung YI ,  Hanbyul SEO ,  Suckchel YANG ,  Hojae LEE

IPC: H04L5/10 ,  H04L5/00 ,  H04W72/04 ,  H04W52/36 ,  H04W72/14

Abstract: A user equipment (UE) receives UE group information indicating a first UE group to which the UE belongs, and transmits uplink (UL) data and a demodulation reference signal (DM-RS), which is for demodulating the UL data, on the basis of the UE group information. The DM-RS is transmitted by means of a first uplink demodulation reference signal (UL DM-RS) resource, which corresponds to the first UE group to which the UE belongs, among a plurality of UL DM-RS resources respectively corresponding to one or more UE groups.