公开(公告)号：US10554267B2

公开(公告)日：2020-02-04

申请号：US16309433

申请日：2017-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Haewook Park ,  Daesung Hwang

IPC: H04B7/0417 ,  H04B7/06 ,  H04B7/0456

Abstract: Disclosed in the present invention is a method by which a terminal reports channel status information (CSI) to a base station in a wireless communication system. The method comprises the steps of: receiving, through an upper layer, information on one CSI process having a first enhanced multiple input multiple output (eMIMO) type and a second eMIMO type; receiving a first channel status information-reference signal (CSI-RS) corresponding to the first eMIMO type; periodically reporting, to the base station, first CSI measured on the basis of the first CSI-RS; receiving a second CSI-RS, which corresponds to the second eMIMO type, beamformed on the basis of the first CSI; and periodically reporting, to the base station, second CSI measured on the basis of the second CSI-RS, wherein a priority of the first CSI is set to be equal to a priority of a CSI-RS resource indicator (CRI).

公开(公告)号：US10547356B2

公开(公告)日：2020-01-28

申请号：US15313423

申请日：2015-07-23

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04B7/0417 ,  H04B7/0456 ,  H04B7/06 ,  H04L1/00 ,  H04L25/03 ,  H04W24/08 ,  H04W52/42 ,  H04W72/04

Abstract: A method for a terminal transmitting channel state information (CSI) in a wireless access system that supports massive multiple-input multiple-output (MIMO) according to one embodiment of the present invention may comprise the steps of: receiving CSI configuration information for reporting CSI; and transmitting CSI and identification information with respect to the partial channel corresponding to the CSI of the full channel according to the massive MIMO, on the basis of the CSI configuration information.

公开(公告)号：US10476570B2

公开(公告)日：2019-11-12

申请号：US15761029

申请日：2016-09-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim

IPC: H04B7/06 ,  H04B7/04 ,  H04B17/24 ,  H04B7/0456 ,  H04L5/00 ,  H04W52/42 ,  H04B17/391

Abstract: Disclosed in the present application is a method by which a terminal reports channel status information (CSI) to a base station in a wireless access system. The method for reporting the CSI comprises the steps of: receiving, from the base station, the information on a CSI process comprising a plurality of channel status information-reference signal (CSI-RS) resources; determining a CSI-RS resource indicator (CRI) indicating one of the plurality of CSI-RS resources; determining a precoding-related indicator on the basis of the determined CRI; and reporting, to the base station, the CSI comprising the CRI and the precoding-related indicator, wherein the precoding-related indicator has the value of 0 when the number of CSI-RS antenna ports indicated by the CSI is less than or equal to a predetermined value.

公开(公告)号：US10470075B2

公开(公告)日：2019-11-05

申请号：US15113798

申请日：2015-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04W28/02 ,  H04W76/27 ,  H04J11/00 ,  H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a wireless communication system. A method for receiving a signal using a network assisted interference cancellation by a terminal in a wireless communication system comprises the steps of: receiving PA information corresponding to a ratio of an energy per resource element (EPRE) of a physical downlink control channel (PDSCH) to an EPRE of a common reference signal (CRS), wherein the PA information comprises first PA information and second PA information which are distinguished according to a modulation order; and removing interference of an adjacent cell using the first PA information or the second PA information corresponding to the modulation order of the signal and receiving a signal.

公开(公告)号：US10469145B2

公开(公告)日：2019-11-05

申请号：US15819071

申请日：2017-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanjun Park

IPC: H04B7/0456 ,  H04B17/382 ,  H04B7/06 ,  H04B7/0417 ,  H04L5/00 ,  H04W72/04 ,  H04W72/06 ,  H04L1/00 ,  H04W88/02

Abstract: A method for reporting channel state information (CSI) by a user equipment (UE) in a wireless communication system, the method includes jointly encoding a rank indicator (RI) and a first precoding matrix indicator (PMI) into an encoded value for a specific CSI report mode; and reporting the encoded value, wherein the RI and the first PMI are jointly encoded into the encoded value in a way that following conditions are satisfied: when the RI is 1 and a codebook index for the first PMI is same as the encoded value, the encoded value is an integer ranging from 0 to 7, when the RI is 2 and the codebook index for the first PMI is the encoded value minus 8, the encoded value is integer ranging from 8 to 15, when the RI is 3 and a first precoding matrix corresponding to the first PMI is an identity matrix.

公开(公告)号：US10396877B2

公开(公告)日：2019-08-27

申请号：US15763800

申请日：2016-06-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/04 ,  H04B7/0413 ,  H04L5/00

Abstract: A method for reporting channel status information (CSI) to a base station by a terminal in a wireless access system is disclosed in the present application. The method for reporting CSI comprises the steps of: receiving information on a first CSI process and a second CSI process, each of which includes two or more CSI-reference signal (CSI-RS) resources, through an upper layer; and transmitting, to the base station, a first CSI report according to the first CSI process and a second CSI report corresponding to the second CSI process, wherein the second CSI process is configured to have a rank indicator (RI) value that is the same as the RI of the first CSI process, and the numbers of antenna ports for all the CSI-RS resources included in the first CSI process and the second CSI process are the same.

公开(公告)号：US10356765B2

公开(公告)日：2019-07-16

申请号：US15741583

申请日：2016-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park ,  Daesung Hwang ,  Bonghoe Kim

IPC: H04W72/04 ,  H04W28/06 ,  H04W88/02 ,  H04B7/0417

Abstract: Disclosed in the present application is a method for transmitting, by a terminal, uplink control information to a base station in a wireless communication system. In detail, the method includes the steps of: periodically transmitting, to a base station, first uplink control information including channel status information; and transmitting, to the base station, second unlink control information including response information to downlink data, wherein when the first uplink control information and the second uplink control information are transmitted at the same time, the channel status information is characterized in being included in the second uplink control information and the first uplink control information and the second uplink control information are characterized in being transmitted together with a first indicator for indicating whether the response information is included.

公开(公告)号：US10257744B2

公开(公告)日：2019-04-09

申请号：US14772037

申请日：2013-09-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W28/04 ,  H04L5/00 ,  H04J11/00 ,  H04B17/345 ,  H04B7/0456 ,  H04W72/12

Abstract: According to an embodiment of the present invention, disclosed is a method for supporting, by a serving base station, cancellation of interference signals from signals received at a target terminal in a wireless communication system. The method comprises the steps of: receiving scheduling information of at least one neighboring base station from the at least one neighboring base station; configuring a set of auxiliary information for canceling the interference signals of a target terminal on the basis of the scheduling information of the at least one neighboring base station; and transmitting the set of auxiliary information for canceling the interference signals of the target terminal to the target terminal, wherein the auxiliary information comprises at least one of demodulation reference signal (DM-RS) related information and cell-specific reference signal (CRS) related information in association with interference signals from respective neighboring base stations.

公开(公告)号：US10193669B2

公开(公告)日：2019-01-29

申请号：US15834769

申请日：2017-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo ,  Hanjun Park ,  Byounghoon Kim ,  Hyungtae Kim ,  Hyunho Lee

IPC: H04L5/00 ,  H04B17/382 ,  H04B7/024 ,  H04W72/04 ,  H04B7/06 ,  H04W92/20

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and device for performing or supporting NIB coordinated multi-point (CoMP) transmission in a wireless communication system. The method for performing NIB CoMP transmission in the wireless communication system according to an embodiment of the present invention may include: transmitting a first-type signal including one or more sets of first CoMP hypotheses from a first network node to a second network node; and receiving at the first network node a second-type signal including one or more sets of second CoMP hypotheses from the second network node. The first-type signal and the second-type signal are defined as having the same information format, and the first-type signal or the second-type signal may be identified based on a specific bit of the information format.

公开(公告)号：US10142075B2

公开(公告)日：2018-11-27

申请号：US14929802

申请日：2015-11-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

IPC: H04L5/00

Abstract: Disclosed is a method of mapping a demodulation-reference signal (DM-RS) transmitted to a terminal by a base station in a wireless communication system based on multiple antennas. Specifically, the method includes grouping a plurality of DM-RS ports into antenna port groups including a predefined number of DM-RS ports, mapping a DM-RS sequence to two symbol resources of a first slot and two symbol resources of a second slot on one subcarrier, and transmitting the mapped DM-RS sequence to the terminal through the plurality of DM-RS ports, wherein a DM-RS sequence transmitted through DM-RS ports included in the same antenna port group is mapped by applying an orthogonal cover code (OCC) having a length of 2 to the same symbol resource, and the two symbol resources of the first slot correspond to a first antenna port group and the two symbol resources of the second slot correspond to a second antenna port group on the one subcarrier.