公开(公告)号：US10104653B2

公开(公告)日：2018-10-16

申请号：US15599251

申请日：2017-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/04 ,  H04L12/18 ,  H04B7/0413 ,  H04W72/00 ,  H04B7/06 ,  H04W4/02 ,  H04B7/0417 ,  H04B7/0426 ,  H04W4/06 ,  H04W28/18 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment decoding an enhanced physical downlink control channel (EPDCCH) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a quasi co-location (QCL) of an antenna port of the EPDCCH; and decoding the EPDCCH based on the QCL with respect to the antenna port of the EPDCCH. The user equipment can determine a QCL assumption between an antenna port of an EPDCCH demodulation reference signal and an antenna port of a different reference signal based on the type of a QCL assumption with respect to a PDSCH.

公开(公告)号：US10103858B2

公开(公告)日：2018-10-16

申请号：US15784704

申请日：2017-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Byounghoon Kim

IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26 ,  H04L1/18

Abstract: A method for transmitting an uplink signal at a UE in a wireless communication system includes, when a virtual cell ID for a reference signal for demodulation of a physical uplink channel is provided, generating a sequence of the reference signal on the basis of the virtual cell ID, and transmitting the generated reference signal to an eNB. A sequence hopping pattern of the reference signal can be determined on the basis of the virtual cell ID.

公开(公告)号：US10057002B2

公开(公告)日：2018-08-21

申请号：US15038393

申请日：2014-12-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park

IPC: H04J11/00 ,  H04B7/0456 ,  H04L5/00 ,  H04L1/00 ,  H04B7/024 ,  H04B7/06 ,  H04W28/04 ,  H04B7/0413

CPC classification number: H04J11/005 ,  H04B7/024 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/00 ,  H04L1/1861 ,  H04L5/00 ,  H04L5/006 ,  H04L5/0091 ,  H04W28/04

Abstract: The present invention relates to a wireless communication system. A method for a terminal for removing interference and receiving a signal in a wireless communication system according to one embodiment of the present invention may comprises the steps of: receiving configuration information for channel status information; and reporting, to a base station, the channel status information, and an indicator of whether the channel status information has been calculated on the basis of network-assisted interference cancellation and suppression (NAICS).

公开(公告)号：US10033507B2

公开(公告)日：2018-07-24

申请号：US15319669

申请日：2015-07-21

Applicant: LG ELECTRONICS INC.

Inventor： Kunil Yum ,  Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/04

Abstract: A method for reporting a channel state for a downlink channel to be transmitted via a two-dimensional array of antenna elements consisting of one or more horizontal antenna groups and vertical antenna groups in accordance with one embodiment of the present invention, the method being performed by a terminal, comprises the steps of: receiving a channel state information-reference signal (CSI-RS) configuration for at least one vertical antenna group and a CSI-RS configuration for at least one horizontal antenna group; and calculating channel state information on the downlink channel using the received CSI-RS configurations and transmitting the channel information to a serving cell, wherein the channel state information comprises individual channel state information for a channel of the at least one vertical antenna group (hereinafter, ‘vertical channel’) and a channel of the at least one horizontal antenna group (hereinafter, ‘horizontal channel’), a combination of the individual channel state information, or joint channel state information of the vertical channel and the horizontal channel, each of which is assigned transmission priority, and the channel state information can be transmitted according to the transmission priority.

公开(公告)号：US10021585B2

公开(公告)日：2018-07-10

申请号：US15031654

申请日：2014-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Kijun Kim ,  Hyungtae Kim ,  Jonghyun Park

IPC: H04W24/10 ,  H04B17/24 ,  H04B17/309 ,  H04W4/06 ,  H04W24/08 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/06

CPC classification number: H04W24/10 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/065 ,  H04B17/24 ,  H04B17/309 ,  H04W4/06 ,  H04W24/08

Abstract: The present invention relates to a method and an apparatus for performing, by a terminal having multiple antennas, measurement reporting in a wireless communication system. In particular, the method comprises the steps of: receiving a multicast-broadcast single-frequency network (MBSFN) reference signal; performing a measurement for radio resource management for each of the multiple antennas, using the MBSFN reference signal; and reporting the result of the measurement, wherein the result of the measurement is determined on the basis of the measurement values of all diversity branches corresponding to the multiple antennas.

公开(公告)号：US10020920B2

公开(公告)日：2018-07-10

申请号：US15112971

申请日：2015-03-04

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Hanjun Park ,  Kunil Yum

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/06 ,  H04B7/0413 ,  H04W72/04 ,  H04L27/26 ,  H04W88/08

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0691 ,  H04L5/0023 ,  H04L5/0051 ,  H04L27/2613 ,  H04W72/046 ,  H04W88/08

Abstract: The present invention relates to a method and apparatus for transmitting a reference signal by a base station in a wireless communication system supporting multiple antennas. More specifically, the present invention comprises the steps of: transmitting a reference signal configuration including specific reference signal IDs configured to identify a plurality of antenna groups; transmitting at least one reference signal associated with the plurality of antenna groups; and receiving channel state information measured according to the at least one reference signal, wherein each antenna group includes a plurality of antennas which are grouped on the basis of a specific domain of the multiple antennas, and the plurality of antenna groups are configured to perform beamforming in different directions.

公开(公告)号：US10004065B2

公开(公告)日：2018-06-19

申请号：US15615420

申请日：2017-06-06

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L12/18 ,  H04B7/0413 ,  H04W72/00 ,  H04B7/06 ,  H04W4/02 ,  H04B7/0417 ,  H04B7/0426 ,  H04W4/06 ,  H04W28/18 ,  H04W72/12

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0626 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L12/18 ,  H04L12/189 ,  H04W4/025 ,  H04W4/06 ,  H04W28/18 ,  H04W72/005 ,  H04W72/046 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment receiving a physical downlink shared channel (PDSCH) signal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining from the downlink subframe a resource element (RE) on which the PDSCH is mapped; and receiving the PDSCH signal based on the RE on which the PDSCH is mapped, wherein when the DCI is comprised according to DCI format 1A and the downlink subframe is a multicast broadcast single frequency network (MBSFN) subframe, the RE on which the PDSCH is mapped can be determined depending on cell-specific reference signal (CRS) location information, which is included in a PDSCH resource element mapping and Quasi co-location indicator (PQI) parameter set that is established by an upper layer.

公开(公告)号：US09999040B2

公开(公告)日：2018-06-12

申请号：US15478668

申请日：2017-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Eunsun Kim ,  Hanbyul Seo ,  Kijun Kim ,  Byounghoon Kim

IPC: H04W72/04 ,  H04W4/06 ,  H04B7/0413 ,  H04L5/00 ,  H04L12/18

CPC classification number: H04W72/042 ,  H04B1/16 ,  H04B7/0413 ,  H04B7/26 ,  H04B7/2656 ,  H04J11/00 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0094 ,  H04L12/189 ,  H04L27/2656 ,  H04W4/06 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system, and more particularly, to a downlink signal transmission and reception method and device taking into account antenna port relationship. A method for the reception of a physical downlink shared channel (PDSCH) signal by a terminal in a wireless communication system, according to one embodiment of the present invention, can comprise: a step for determining a start symbol index for the PDSCH in a downlink subframe; and a step for receiving the PDSCH signal on the basis of the start symbol index. The PDSCH start symbol index (k) when the downlink subframe belongs to a specific subframe set is determined according to k=min(KThreshold, K), KThreshold being a prescribed threshold, K being the PDSCH start symbol index when the downlink subframe does not belong to the specific subframe set, and min(KThreshold, K) being the minimum value among KThreshold and K.

公开(公告)号：US09985711B2

公开(公告)日：2018-05-29

申请号：US14891254

申请日：2014-08-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04B7/216 ,  H04B7/06 ,  H04B7/0456 ,  H04L5/14

CPC classification number: H04B7/0639 ,  H04B7/0456 ,  H04B7/063 ,  H04B7/0658 ,  H04B7/066 ,  H04L5/14

Abstract: The present invention relates to a wireless communication system. A method for transmitting channel state information by a terminal in a wireless communication system according to an embodiment of the present invention includes the steps of: joint encoding a rank indicator (RI) and a first precoding matrix indicator (PMI) to a single encoded value, in a reporting mode for four antenna ports; and transmitting channel state information including the encoded value, wherein the encoded value is determined depending on a first table or a second table according to a maximum value of the RI, and an encoding value, which is identical to an encoding value according to the first table, among encoding values according to the second table, may have RI and first PMI identically corresponding to those of the encoding value according to the first table.

公开(公告)号：US09954640B2

公开(公告)日：2018-04-24

申请号：US14440276

申请日：2014-01-15

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim

IPC: H04L12/26 ,  H04L1/00 ,  H04L5/00 ,  H04W24/10 ,  H04L27/26

CPC classification number: H04L1/0026 ,  H04L5/0051 ,  H04L5/0057 ,  H04L5/0094 ,  H04L27/2602 ,  H04W24/10

Abstract: The present application discloses a method for enabling a terminal to report CQI (Channel Quality Indicator) in a wireless communications system. Specifically, the method includes the steps of: receiving the setup information concerning at least one CSI (Channel Status Information Process) through an upper layer; receiving CSI-RS (Channel Status Information-Reference Signal) contained in the setup information from a base station; calculating the CQI by using the CSI-RS under the assumption that the CRS (Cell specific RS) resource contained in a given resource for calculating the CQI is not mapped with data; and reporting the calculated CQI to the base station, wherein the setup information contains the information of the CRS resource.