公开(公告)号：US09912392B2

公开(公告)日：2018-03-06

申请号：US14767241

申请日：2014-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanjun Park

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

CPC classification number: H04B7/0486 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0639 ,  H04B17/382 ,  H04L5/0023 ,  H04L5/0057 ,  H04W72/0413 ,  H04W72/06 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system. A method for a terminal for transmitting channel state information (CSI) in a wireless communication system according to an embodiment of the present invention comprises the steps of: in a reporting mode for a four-antenna port, joint-encoding a rank indicator (RI) and a first precoding matrix indicator (PMI) into a single encoding value; and transmitting channel state information comprising the encoding value, wherein if RI is 1, then a codebook index may have the same value as the encoding value, and if RI is 2, then the codebook index may be less than the encoding value by 8.

公开(公告)号：US09807783B2

公开(公告)日：2017-10-31

申请号：US14543666

申请日：2014-11-17

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Kijun Kim

IPC: H04W72/12 ,  H04L1/00 ,  H04W24/10 ,  H04W72/04

CPC classification number: H04W72/1231 ,  H04L1/0015 ,  H04W24/10 ,  H04W72/0426

Abstract: A method for link adaptation in a wireless communication system, the method performed by a user equipment (UE) and including measuring a channel state at a first time instance, reporting a measurement value of the channel state, and receiving scheduling based on the reported measurement value of the channel state from a serving base station at a second time instance. Traffic generation of a neighboring base station is restricted at least between the first time instance and the second time instance to accord the reported measurement value of the channel state with a channel state at the second time instance.

公开(公告)号：US09716539B2

公开(公告)日：2017-07-25

申请号：US14406976

申请日：2013-07-02

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Jonghyun Park ,  Hanbyul Seo ,  Hanjun Park

IPC: H04L1/00 ,  H04B7/06 ,  H04B17/00 ,  H04B7/0456 ,  H04B7/0452 ,  H04L5/00 ,  H04W24/08

CPC classification number: H04B7/0626 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B17/00 ,  H04B17/345 ,  H04L5/0053 ,  H04W24/08

Abstract: A method of reporting channel state information (CSI) on a terminal in which a plurality of CSI processes are configured in a wireless communication system according to an embodiment of the present invention includes: measuring a channel based on a CSI reference signal (RS) resource related to one of the CSI processes; measuring interference based on a CSI-interference measurement (IM) resource related to the CSI process; determining CSI based on the measured channel and the measured interference; and reporting the CSI through an uplink channel, wherein a codebook for reporting the CSI, which is used for determining the CSI, is one of two or more codebooks that correspond independently to each of the CSI processes.

公开(公告)号：US09660931B2

公开(公告)日：2017-05-23

申请号：US14416963

申请日：2013-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Seungmin Lee ,  Kijun Kim ,  Hanbyul Seo

IPC: H04L12/911 ,  H04L12/26 ,  H04L12/751 ,  H04L12/801 ,  H04L12/24

CPC classification number: H04L47/788 ,  H04B7/024 ,  H04B7/2643 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/006 ,  H04L5/14 ,  H04L5/1469 ,  H04L41/0823 ,  H04L41/0896 ,  H04L41/12 ,  H04L41/142 ,  H04L41/16 ,  H04L43/0894 ,  H04L45/02 ,  H04L47/12 ,  H04W24/08 ,  H04W72/1205

Abstract: A method and apparatus for receiving or transmitting a radio frequency (RF) signal are disclosed. A method for receiving a downlink signal by a user equipment (UE) in a Time Division Duplex (TDD) wireless communication system supporting Coordinated Multi-point transmission and reception (CoMP) includes: acquiring information of a time-resource region to which a downlink signal for the CoMP is transmitted, for at least one cell, and receiving a downlink signal for the CoMP signal for the CoMP on the basis of the acquired information, wherein the time-resource region information includes a length of a time region contained in a specific subframe to which the downlink signal for the CoMP is transmitted.

公开(公告)号：US09496997B2

公开(公告)日：2016-11-15

申请号：US14425562

申请日：2013-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/02

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04B17/27 ,  H04B17/309 ,  H04B17/318 ,  H04L1/20 ,  H04L5/001 ,  H04W72/0406 ,  H04W72/0473

Abstract: A method and apparatus for performing channel measurement in a wireless communication system are disclosed. A method for performing channel measurement by a user equipment (UE) in a wireless communication system supporting carrier aggregation (CA) and coordinated Multi-point transmission and reception (CoMP) includes: receiving information on a channel state information—reference signal (CSI-RS) resource set (hereinafter referred to as CRMS (CoMP resource management set)) for measuring CSI-RS—based received power from serving evolved NodeB (eNB); measuring a received power for the CSI-RS resources contained in the CRMS; and transmitting the measured received power to the serving eNB, wherein the CRMS is independently configured for each of the plurality of component carriers (CCs) capable of being aggregated in the carrier aggregation (CA).

Abstract translation: 公开了一种用于在无线通信系统中执行信道测量的方法和装置。 一种用于在支持载波聚合（CA）和协调多点发送和接收（CoMP）的无线通信系统中由用户设备（UE）进行信道测量的方法包括：接收信道状态信息参考信号（CSI- RS）资源集（以下称为CRMS（CoMP资源管理集）），用于从服务演进节点B（eNB）测量基于CSI-RS的接收功率; 测量CRMS中包含的CSI-RS资源的接收功率; 以及向所述服务eNB发送所测量的接收功率，其中，所述CRMS被独立地配置为能够在所述载波聚合（CA）中聚合的所述多个分量载波（CC）中的每一个。

公开(公告)号：US09450719B2

公开(公告)日：2016-09-20

申请号：US14380344

申请日：2013-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Hakseong Kim ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim ,  Suckchel Yang

IPC: H04B7/02 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/042

Abstract: Provided is a method for receiving a downlink signal by a user equipment (UE) in a wireless communication system supporting Coordinated Multi-point transmission and reception includes: receiving a list of candidate seeds for generating a sequence of a downlink demodulation reference signal (DM-RS) and downlink control information, and detecting the DCI; if a format of the detected DCI corresponds to a unique operation of a transmission mode configured to the UE, generating a sequence of the downlink DM-RS using one seed value selected from among the list of the candidate seeds on the basis of specific information included in the DCI; and if a format of the detected DCI corresponds to a fall-back operation of the transmission mode, generating a sequence of the downlink DM-RS using a specific seed value selected from among the list of the candidate seeds or an identifier (ID) of a serving cell.

Abstract translation: 提供了一种在支持协调多点发送和接收的无线通信系统中由用户设备（UE）接收下行链路信号的方法，包括：接收用于生成下行链路解调参考信号（DM- RS）和下行链路控制信息，并检测DCI; 如果检测到的DCI的格式对应于配置给UE的传输模式的唯一操作，则根据包括的特定信息，使用从候选种子列表中选择的一个种子值生成下行链路DM-RS的序列 在DCI中 如果所检测到的DCI的格式对应于传输模式的后退操作，则使用从候选种子列表中选择的特定种子值或下一个DM-RS的标识符（ID）生成下行链路DM-RS的序列 一个服务单元。

公开(公告)号：US09386535B2

公开(公告)日：2016-07-05

申请号：US14350554

申请日：2012-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Eunsun Kim ,  Hanbyul Seo ,  Seungmin Lee ,  Kijun Kim ,  Byounghoon Kim

IPC: H04B7/212 ,  H04W52/22 ,  H04J11/00 ,  H04W52/26 ,  H04W72/04 ,  H04W52/36 ,  H04L5/00 ,  H04W52/38

CPC classification number: H04W52/228 ,  H04J11/005 ,  H04L5/0007 ,  H04L5/0053 ,  H04W52/262 ,  H04W52/362 ,  H04W52/367 ,  H04W52/38 ,  H04W72/042

Abstract: A method for an eNB to transmit a downlink signal to a User Equipment (UE) is disclosed. The method includes transmitting information about a data transmission power within an OFDM symbol in a data region of a downlink subframe to the UE. The information about the data transmission power is determined according to a specific condition and the specific condition includes at least one of presence/absence of a Cell-specific Reference Signal (CRS) within the symbol and a modulation scheme or a Modulation and Coding Scheme (MCS) of the symbol. The downlink subframe is a Non-Zero Power Almost Blank Subframe (NZP ABS) in which signals are transmitted at a lower transmission power than a transmission power of a normal subframe on downlink.

Abstract translation: 公开了一种用于eNB向用户设备（UE）发送下行链路信号的方法。 该方法包括在UE的下行链路子帧的数据区域内发送关于OFDM符号内的数据发送功率的信息。 关于数据传输功率的信息根据特定条件确定，并且具体条件包括符号内的小区特定参考信号（CRS）的存在/不存在以及调制方案或调制和编码方案（ MCS）的符号。 下行链路子帧是在下行链路中以比正常子帧的发送功率更低的发送功率发送信号的非零功率几乎空白子帧（NZP ABS）。

公开(公告)号：US09312945B2

公开(公告)日：2016-04-12

申请号：US14193131

申请日：2014-02-28

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Jonghyun Park

IPC: H04W24/00 ,  H04B7/10 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/10 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/066

Abstract: A method for reporting a channel state to a base station (BS) supporting downlink (DL) multiple-input multiple-output (MIMO) in a wireless communication system includes measuring a DL channel based on a DL signal received from the BS, and reporting an index of a codebook for precoding of the DL signal according to the measured DL channel, wherein the codebook for precoding includes an integrated codebook having a dual structure including a codebook for a wideband and a codebook for a subband, and wherein the integrated codebook is determined depending on an index i1 of the codebook for the wideband and an index i2 of the codebook for the subband, and a structure or type of a codebook selectable using the index i2 varies according to the index i1.

Abstract translation: 在无线通信系统中向支持下行链路（DL）多输入多输出（MIMO）的基站（BS）报告信道状态的方法包括基于从BS接收的DL信号测量DL信道，并报告 根据测量的DL信道的DL信号的预编码码本的索引，其中，用于预编码的码本包括具有包括用于宽带的码本和子带码本的双重结构的集成码本，并且其中所述集成码本是 根据用于宽带的码本的索引i1和子带的码本的索引i2确定，并且可以使用索引i2可选择的码本的结构或类型根据索引i1而变化。

公开(公告)号：US09247546B2

公开(公告)日：2016-01-26

申请号：US14711321

申请日：2015-05-13

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Hyunho Lee

IPC: H04M3/00 ,  H04W72/04 ,  H04W72/12 ,  H04W4/08 ,  H04W88/06

CPC classification number: H04W72/048 ,  H04L5/00 ,  H04W4/08 ,  H04W4/70 ,  H04W72/121 ,  H04W72/1289 ,  H04W88/06

Abstract: Allocation of resources for Device-to-Device (D2D) communication and a method and apparatus for transmitting and receiving a signal on the basis of the resource allocation are disclosed. A method for performing D2D (Device to Device) communication in a wireless communication system by a terminal includes: obtaining information related to an SA (Scheduling Assignment) resource region comprised of at least two sub scheduling assignment (SA) resource regions for the D2D communication; determining information regarding a terminal group to be operated in a reception mode in each sub SA resource region according to the information related to an SA resource region; determining a terminal group scheduled to include the terminal therein; and receiving a scheduling assignment (SA) for the D2D communication in the sub SA resource region in which the determined terminal group is scheduled to operate in the reception mode. The information related to an SA resource region includes the number (M) of sub SA resource regions included in the SA resource region and the number (NR) of sub SA resource regions to be operated in a reception mode given to one terminal group within the SA resource region.

Abstract translation: 公开了用于设备到设备（D2D）通信的资源的分配以及用于基于资源分配来发送和接收信号的方法和装置。 用于在终端中进行无线通信系统中的D2D（Device to Device，通信设备）通信的方法包括：获得与由D2D通信的至少两个子调度分配（SA）资源区域组成的SA（调度分配）资源区域相关的信息 ; 根据与SA资源区域相关的信息，确定关于在每个子SA资源区域中以接收模式操作的终端组的信息; 确定计划在其中包括终端的终端组; 并且在被确定的终端组被调度为在接收模式中操作的子SA资源区域中接收用于D2D通信的调度分配（SA）。 与SA资源区域相关的信息包括在SA资源区域中包括的子SA资源区域的数量（M）和在给予该资源区域内的一个终端组的接收模式中要操作的子SA资源区域的数量（NR） SA资源区。

公开(公告)号：US09219994B2

公开(公告)日：2015-12-22

申请号：US13673510

申请日：2012-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Seungmin Lee ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04B7/185 ,  H04W4/06 ,  H04W52/14 ,  H04W52/04

CPC classification number: H04W4/06 ,  H04W52/04 ,  H04W52/143 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/23

Abstract: A method for receiving a downlink signal from a base station (BS) in a multicast broadcast single frequency network (MBSFN) subframe is disclosed. The method is performed by a user equipment (UE) and includes receiving information indicating an MBSFN subframe configured as an almost blank subframe (ABS) (ABS MBSFN subframe) among MBSFN subframes of which a data region is allocated a reduced transmission power lower than a transmission power in a data region of a normal subframe, and demodulating the downlink signal received in the data region of the ABS MBSFN subframe based on a cell-specific reference signal (CRS) in a control region of the ABS MBSFN subframe according to the information.

Abstract translation: 公开了一种用于从多播广播单频网（MBSFN）子帧中的基站（BS）接收下行链路信号的方法。 所述方法由用户设备（UE）执行，并且包括在MBSFN子帧中接收指示被配置为几乎空白子帧（ABS）（ABS MBSFN子帧）的MBSFN子帧的信息（ABS MBSFN子帧），其中数据区被分配了低于 在正常子帧的数据区域中的发送功率，以及根据所述信息，根据所述ABS MBSFN子帧的控制区域中的小区特定参考信号（CRS）来解调在所述ABS MBSFN子帧的数据区域中接收的下行链路信号 。