公开(公告)号：US20180262251A1

公开(公告)日：2018-09-13

申请号：US15758471

申请日：2016-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Jonghyun PARK ,  Seungmin LEE

IPC: H04B7/06 ,  H04B7/0417 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0465 ,  H04L5/005 ,  H04L5/0057

Abstract: The present invention relates to a wireless communication system and, specifically, provides a method for reporting a channel state and an apparatus therefor. A terminal of the present invention receives, from a base station, configuration information for a plurality of sets, each including at least one of a plurality of channel state information-reference signal (CSI-RS) resources configured for a channel state information (CSI) process. The terminal reports CSI measured on the basis of only at least one CSI-RS resource included in a first set which is one of the plurality of sets. Here, the first set may include only some CSI-RS resources of the plurality of CSI-RS resources configured for the CSI process.

公开(公告)号：US20180254812A1

公开(公告)日：2018-09-06

申请号：US15754511

申请日：2016-08-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0667 ,  H04L5/0048 ,  H04L5/005

Abstract: Disclosed are a method for transmitting or receiving channel state information in a wireless communication system and a device therefor. Specifically, a method for transmitting channel state information (CSI) by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, the number of antenna ports specific to one or more channel state information-reference signal (CSI-RS) resources; receiving, by the terminal, a CSI-RS on the one or more antenna ports from the base station; when the number of one or more CSI-RS resource-specific antenna ports configured in the terminal is different from the number of antenna ports in reporting units of the CSI configured in the terminal, estimating a CSI-RS antenna port on the basis of the number of antenna ports in reporting units of the CSI configured in the terminal, and deriving the CSI on the basis of the CSI-RS; and reporting the CSI to the base station.

公开(公告)号：US20180248607A1

公开(公告)日：2018-08-30

申请号：US15754281

申请日：2016-08-22

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/06 ,  H04B7/0632 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0091

Abstract: Disclosed are a method for transmitting or receiving channel state information in a wireless communication system and an apparatus therefor. Specifically, a method for transmitting channel state information by a terminal in the wireless communication system comprises the steps of: receiving interference measurement restriction information indicating a restriction of interference measurement from a base station; deriving an interference measurement based on a channel state information-interference measurement (CSI-IM) resource in only one first subframe in order to calculate a channel quality indicator (CQI); and reporting the CQI to the base station, wherein the interference restriction information may be independently set for each CSI-IM resource.

公开(公告)号：US20180219603A1

公开(公告)日：2018-08-02

申请号：US15747003

申请日：2016-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/06

CPC classification number: H04B7/0639 ,  H04B7/0413 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0626

Abstract: Disclosed are a codebook-based signal transmission/reception method in a multi-antenna wireless communication system, and a device for same. Specifically, provided is a method by which a terminal transmits/receives a signal on the basis of a codebook, in a 2-dimensional multi-antenna wireless communication system, comprising the steps of: receiving a channel state information reference signal (CSI-RS) from a base station, via a multi-antenna port; and reporting channel state information to the base station. The channel state information comprises a precoding matrix indicator (PMI) for indicating a precoding matrix. The PMI comprises a first PMI for selecting a precoding matrix set from a codebook, and a second PMI for selecting one precoding matrix from the precoding matrix set. The pair of the first dimensional index and second dimensional index of the precoding matrix belonging to the precoding matrix set is (x, y), (x+2, y), (x, y+1), (x+1, y+1), x and y being whole numbers that are not negative.

公开(公告)号：US20180198499A1

公开(公告)日：2018-07-12

申请号：US15746251

申请日：2016-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04B7/06

Abstract: Disclosed are a codebook-based signal transmission and reception method in a multi-antenna wireless communication system and an apparatus therefor. Specifically, a method for transmitting or receiving a signal on the basis of a codebook by a terminal in a 2-dimensional multi-antenna wireless communication system comprises the steps of: receiving a channel state information reference signal (CSI-RS) through a multi-antenna port from a base station; and reporting channel state information to the base station, wherein the channel state information may include a precoding matrix indicator (PMI) for indicating a precoding matrix, the PMI may include a first PMI for selecting a set of precoding matrixes from the codebook and a second PMI for selecting one precoding matrix from the set of precoding matrixes.

公开(公告)号：US20180139751A1

公开(公告)日：2018-05-17

申请号：US15868138

申请日：2018-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/04 ,  H04L5/14 ,  H04W52/06 ,  H04L1/18 ,  H04W52/22 ,  H04W52/14 ,  H04W52/54 ,  H04W72/12 ,  H04W88/08 ,  H04W52/38

CPC classification number: H04W72/0413 ,  H04L1/1812 ,  H04L5/14 ,  H04W52/06 ,  H04W52/146 ,  H04W52/228 ,  H04W52/38 ,  H04W52/54 ,  H04W72/042 ,  H04W72/0473 ,  H04W72/1289 ,  H04W88/08

Abstract: A method for performing uplink power control by a user equipment, the method includes receiving downlink, DL, hybrid automatic repeat and request, HARQ configuration information indicating a uplink-downlink, UL-DL, configuration used as a DL HARQ reference configuration; receiving downlink control information, DCI, containing transmit power control, TPC, information; determining transmit power of a physical uplink control channel, PUCCH, carrying ACK/NACK information for a physical downlink shared channel, PDSCH, based on the TPC information; and transmitting the PUCCH with the transmit power of the PUCCH, wherein the transmit power of the PUCCH is determined based on the TPC information according to the DL HARQ reference configuration.

公开(公告)号：US20180139586A1

公开(公告)日：2018-05-17

申请号：US15737265

申请日：2016-06-17

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Hanbyul SEO

IPC: H04W4/06 ,  H04W72/04 ,  H04L5/00 ,  H04W72/14 ,  H04W24/10

CPC classification number: H04W4/06 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/005 ,  H04W4/40 ,  H04W4/44 ,  H04W24/10 ,  H04W48/10 ,  H04W72/005 ,  H04W72/042 ,  H04W72/14 ,  H04W88/02

Abstract: A method according to an embodiment of the present invention for receiving, via a terminal, broadcast/multicast data of an asynchronous adjacent cell in a wireless communication system may comprise the steps of: receiving broadcast/multicast transmission schedule information of the asynchronous adjacent cell which is not synchronized with a serving cell of the terminal; and receiving broadcast/multicast data transmitted from the asynchronous adjacent cell on the basis of the broadcast/multicast transmission schedule information.

公开(公告)号：US20180123654A1

公开(公告)日：2018-05-03

申请号：US15565036

申请日：2016-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/0417 ,  H04B7/06

Abstract: According to the present specification, a method for reporting channel state information (CSI) in a wireless communication system, which is performed by a UE includes: transmitting to a base station UE capability information including control information indicating a codebook configuration supported by the UE with respect to a specific class related with the CSI reporting.Therefore, there is an effect that implementation complexity of the UE can be reduced.

公开(公告)号：US20180110057A1

公开(公告)日：2018-04-19

申请号：US15565804

申请日：2016-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Joonkui AHN ,  Seonwook KIM ,  Kijun KIM ,  Hanbyul SEO ,  Hanjun PARK

IPC: H04W72/12 ,  H04W16/14 ,  H04W74/08 ,  H04B7/0452

CPC classification number: H04W72/12 ,  H04B7/0404 ,  H04B7/0452 ,  H04W16/14 ,  H04W74/006 ,  H04W74/0808

Abstract: Disclosed are an uplink data transmission method in a wireless communication system and a device therefor. Particularly, a method for transmitting uplink data in an unlicensed band by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving, from a base station, uplink scheduling information within a cell operating in an unlicensed band; sensing a channel of the cell; transmitting a reservation signal when the channel is sensed to be in an idle state; and transmitting, to the base station, uplink data in a wireless resource allocated on the basis of the uplink scheduling information, wherein the channel is sensed to be in the idle state when energy detected, except for the reservation signal transmitted from another UE that is co-scheduled along with the UE for uplink multi-user multiple input multiple output (UL MU-MIMO) transmission, is smaller than a predetermined threshold value.

公开(公告)号：US20180069611A1

公开(公告)日：2018-03-08

申请号：US15554702

申请日：2016-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK ,  Youngtae KIM ,  Hyunyho LEE

IPC: H04B7/06 ,  H04B7/04 ,  H04L5/00

Abstract: Disclosed herein a method of, at a user equipment (UE), reporting channel quality information for three-dimensional (3D) multiple input multiple output (MIMO) transmission to a base station in a wireless communication system The method includes receiving information for vertical cycling beamforming from the base station, calculating the channel quality information using the information for the vertical cycling beamforming, on the assumption that different vertical beamforming is circularly applied in a predetermined resource unit to receive a downlink signal, and reporting the calculated channel quality information to the base station.