公开(公告)号：US09509471B2

公开(公告)日：2016-11-29

申请号：US14384137

申请日：2013-08-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04L5/00 ,  H04W24/10 ,  H04B7/02 ,  H04L5/14

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/14 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. A method for transmitting channel state information (CSI) by a user equipment in a wireless communication system includes receiving a CSI-reference signal (CSI-RS), determining overhead of a common reference signal (CRS) resource element based on the same antenna port number as an antenna port number associated with the CSI-RS, and transmitting the CSI calculated based on the CSI-RS and the overhead of the CRS resource element.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 一种用于在无线通信系统中由用户设备发送信道状态信息（CSI）的方法包括：接收CSI参考信号（CSI-RS），基于相同的天线端口确定公共参考信号（CRS）资源元素的开销 数字作为与CSI-RS相关联的天线端口号，并且发送基于CSI-RS计算的CSI和CRS资源元素的开销。

公开(公告)号：US09479300B2

公开(公告)日：2016-10-25

申请号：US14349384

申请日：2012-10-11

Applicant: LG Electronics Inc.

Inventor： Hyungtae Kim ,  Hanbyul Seo

IPC: H04W4/00 ,  H04L5/00 ,  H04J11/00 ,  H04B7/02 ,  H04B7/04 ,  H04W24/10 ,  H04B7/06

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0636 ,  H04B7/0639 ,  H04J11/0053 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for feeding back the muting point information in a coordinated multi-point communication system. A method for enabling a terminal to transmit feedback information for the coordinated transmission in the wireless communication system according to one embodiment of the present invention comprises the steps: receiving reference signals for the feedback of the channel state information from a plurality of base stations capable of participating in the coordinated transmission; measuring each channel state value for the plurality of base stations based on the reference signals; and transmitting the muting point information to indicate the preferring base station participating in the coordinated transmission among the plurality of base stations.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，涉及一种在协调的多点通信系统中反馈静音点信息的方法和装置。 根据本发明的一个实施例，一种能够使终端能够发送用于无线通信系统中的协调传输的反馈信息的方法包括以下步骤：从多个基站接收信道状态信息的反馈信号，所述基站能够 参与协调传播; 基于所述参考信号来测量所述多个基站的每个信道状态值; 以及发送所述静默点信息以指示参与所述多个基站之间的协调传输的优选基站。

公开(公告)号：US09461721B2

公开(公告)日：2016-10-04

申请号：US14351026

申请日：2012-10-25

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Kijun Kim ,  Hyungtae Kim

IPC: H04B7/06 ,  H04B7/04 ,  H04J11/00

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04J11/0053

Abstract: According to one embodiment of the present invention, a method is disclosed in which user equipment (UE) that communicates with a coordinated multi-point transmission and reception (CoMP) aggregation transmits channel state information (CSI) on said CoMP aggregation in a wireless communication system. The method may enable the determination of the number of bits for inter-point phase information for points that belong to said CoMP aggregation, and the number of bits for a channel quality indicator (CQI) for said CoMP aggregation based on rank indicator (RI) information within the number of bits allocated for transmission of the channel state information, and may enable the transmission of the channel state information including the inter-point phase information and CQI on the CoMP aggregation to at least one of a plurality of points that belong to the CoMP aggregation in accordance with said determined number of bits.

Abstract translation: 根据本发明的一个实施例，公开了一种方法，其中与协调的多点发送和接收（CoMP）聚合通信的用户设备（UE）在无线通信中在所述CoMP聚合上发送信道状态信息（CSI） 系统。 该方法可以确定属于所述CoMP聚合的点的点间相位信息的比特数，以及基于秩指示符（RI）的所述CoMP聚合的信道质量指示符（CQI）的比特数， 在分配用于发送信道状态信息的位数中的信息，并且可以使CoMP聚合上包括点间相位信息和CQI的信道状态信息发送到属于多个点的多个点中的至少一个 所述CoMP聚合根据所述确定的比特数。

公开(公告)号：US20150264704A1

公开(公告)日：2015-09-17

申请号：US14626107

申请日：2015-02-19

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Hyungtae Kim ,  Yunjung Yi ,  Suckchel Yang

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00 ,  H04W72/08

CPC classification number: H04W72/1231 ,  H04L5/0035 ,  H04L5/0055 ,  H04L5/0073 ,  H04W72/1273

Abstract: Disclosed is a method for reporting a channel state in a wireless communication system, the method performed by a terminal and including reporting channel state information (CSI) to a base station (BS), transmitting CSI correction information for correcting the reported CSI, to the BS, and receiving a downlink channel scheduled based on the CSI correction information, wherein the CSI correction information indicates a change in channel state due to dynamic interference.

Abstract translation: 公开了一种用于在无线通信系统中报告信道状态的方法，该方法由终端执行并且包括向基站（BS）发送信道状态信息（CSI），将用于校正所报告的CSI的CSI校正信息发送到 BS，并且接收基于所述CSI校正信息调度的下行链路信道，其中所述CSI校正信息指示由于动态干扰引起的信道状态的改变。

公开(公告)号：US09088323B2

公开(公告)日：2015-07-21

申请号：US14150405

申请日：2014-01-08

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/02 ,  H04B7/04 ,  H04W88/02 ,  H04W88/08 ,  H04L1/06

CPC classification number: H04B7/0486 ,  H04B7/0469 ,  H04B7/0478 ,  H04L1/06 ,  H04L1/0618 ,  H04W88/02 ,  H04W88/08

Abstract: A method of reporting a channel state to a base station supporting downlink multiple input multiple output in a wireless communication system includes measuring a downlink channel based on a downlink signal received from the base station, and reporting a codebook index for precoding of the downlink signal according to the measurement of the downlink channel. The codebook for precoding includes an improved codebook (hereinafter, referred to as an improved 4Tx codebook) having a dual structure composed of a codebook for wideband and a codebook for subband, for 4 transmit (4Tx) antenna ports, and the improved 4Tx codebook includes sub-codebooks obtained by sub-sampling the codebook for subband according to priority.

Abstract translation: 向在无线通信系统中支持下行链路多输入多输出的基站报告信道状态的方法包括基于从基站接收的下行链路信号测量下行信道，并根据下行链路信号的预编码报告码本索引， 到下行链路信道的测量。 用于预编码的码本包括用于4个发送（4Tx）天线端口的具有由宽带码本和子带码本组成的双重结构的改进码本（以下称为改进的4Tx码本），并且改进的4Tx码本包括 根据优先级对子带码本进行子采样而得到的子码本。

公开(公告)号：US20150172024A1

公开(公告)日：2015-06-18

申请号：US14418051

申请日：2013-08-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim

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

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04L5/0032 ,  H04L5/0057 ,  H04W72/0413 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system. The method for transmitting channel state information (CSI) on a plurality of base stations by means of a terminal in a wireless communication system according to one embodiment of the present invention comprises: a step of receiving N-number of CSI configurations for a CSI report; a step of receiving information indicating M-number (wherein, 2≦M≦N) of CSI configurations which use a common CSI among the N-number of CSI configurations; and a step of transmitting the common CSI based on one CSI configuration selected from among the M-number of CSI configurations to transmit the common CSI.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的一个实施例的通过无线通信系统中的终端在多个基站上发送信道状态信息（CSI）的方法包括：接收CSI报告的N个CSI配置的步骤 ; 在N个CSI配置中接收指示使用公共CSI的M-number（其中，2＆nlE; M＆NlE; N）的信息的步骤; 以及基于从所述M个CSI配置中选择的一个CSI配置来发送所述公共CSI的步骤，以发送所述公共CSI。

公开(公告)号：US20150117355A1

公开(公告)日：2015-04-30

申请号：US14401809

申请日：2013-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Illsoo Sohn ,  Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04L5/00

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0647 ,  H04B7/066 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0057 ,  H04W24/10

Abstract: A method for feeding back Channel State Information (CSI) using a common subband at a user equipment in a wireless communication system is disclosed. The method includes transmitting first CSI to at least one base station at a first transmission time point according to a first CSI feedback configuration, and transmitting second CSI to the at least one base station at a second transmission time point according to a second CSI feedback configuration, wherein the second CSI is generated based on the common subband when the second transmission time point is within a prescribed SubFrame Threshold (SFT) from the first transmission time point.

Abstract translation: 公开了一种在无线通信系统中的用户设备处使用公共子带反馈信道状态信息（CSI）的方法。 该方法包括根据第一CSI反馈配置在第一传输时间点将第一CSI发送到至少一个基站，以及根据第二CSI反馈配置在第二传输时间点向所述至少一个基站发送第二CSI ，其中当所述第二传输时间点在从所述第一传输时间点开始的规定子帧阈值（SFT）内时，基于所述公共子带生成所述第二CSI。

公开(公告)号：US20150055723A1

公开(公告)日：2015-02-26

申请号：US14383208

申请日：2013-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Byounghoon Kim ,  Kijun Kim

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0469 ,  H04B7/0482 ,  H04L1/0026 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/03898

Abstract: The present invention relates to a method for receiving a reference CSI configuration information and a following CSI configuration information which is configured to report a same RI (Rank Indicator) as the reference CSI configuration information, receiving a first precoding codebook subset information for the reference CSI configuration information and a second precoding codebook subset information for the following CSI configuration information, set of RIs according to the second precoding codebook subset information is same as set of RIs according to the first precoding codebook subset information, and transmitting CSI determined based on at least one of the first precoding codebook subset information and the second precoding codebook subset information.

Abstract translation: 本发明涉及一种用于接收参考CSI配置信息和后续CSI配置信息的方法，该配置信息被配置为报告与参考CSI配置信息相同的RI（秩指示符），接收用于参考CSI的第一预编码码本子集信息 配置信息和用于随后的CSI配置信息的第二预编码码本子集信息，根据第二预编码码本子集信息的RI集合与根据第一预编码码本子集信息的RI集合相同，并且发送至少基于 第一预编码码本子集信息和第二预编码码本子集信息之一。

公开(公告)号：US20150003368A1

公开(公告)日：2015-01-01

申请号：US14377094

申请日：2013-03-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Hyungtae Kim ,  Illsoo Sohn ,  Hanbyul Seo ,  Kijun Kim ,  Byounghoon Kim

IPC: H04L5/00 ,  H04W24/02

CPC classification number: H04L5/0048 ,  H04B7/2656 ,  H04W24/02

Abstract: The present application discloses a method wherein a terminal sets an interference measurement reference signal resource in a wireless communication system. The method comprises the steps of: receiving first resource setting data, comprising bit map data indicating the position of a resource element for a reference signal in one subframe and comprising subframe data whereby the reference signal can be received; receiving second resource setting data of the interference measurement reference signal, constituted on the basis of the first resource setting data and the interference measurement reference signal resource, on the basis of the second resource setting data. The second resource setting data comprises resource element data indicating the position of one or more resource element and comprises interference measurement subframe data indicating the position of a subframe where the interference measurement reference signal can be received. The subframe indicated by the interference measurement subframe data is defined by a subset of the subframe indicated by the subframe data comprised in the first resource setting data.

Abstract translation: 本申请公开了一种终端在无线通信系统中设置干扰测量参考信号资源的方法。 该方法包括以下步骤：接收第一资源设置数据，包括指示在一个子帧中用于参考信号的资源元素的位置的位图数据，并且包括可以接收参考信号的子帧数据; 基于第二资源设定数据，接收基于第一资源设定数据和干扰测量基准信号资源构成的干扰测量参考信号的第二资源设定数据。 第二资源设置数据包括指示一个或多个资源元素的位置的资源元素数据，并且包括指示可以接收干扰测量参考信号的子帧的位置的干扰测量子帧数据。 由干扰测量子帧数据指示的子帧由包括在第一资源设置数据中的子帧数据指示的子帧的子集定义。

公开(公告)号：US20140376461A1

公开(公告)日：2014-12-25

申请号：US14307693

申请日：2014-06-18

Applicant: LG Electronics Inc.

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

IPC: H04W16/14 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/1671 ,  H04L5/00 ,  H04W48/00 ,  H04W72/00

Abstract: A method for receiving interference cancellation information of a mobile station (MS), which is performed by the MS, includes receiving a virtual radio network temporary identifier (V-RNTI) set including a plurality of V-RNTIs for cancellation of an interference signal from a serving base station, each of the plurality of V-RNTIs being associated with RNTIs of one or more MSs (hereinafter, referred to as “neighboring MSs) served by a neighboring base station, and receiving a downlink control channel for a first neighboring MS of the neighboring MSs using at least one V-RNTI of the V-RNTI set. The downlink control channel is a double CRC-downlink control channel with a first cyclic redundancy check (CRC) bit scrambled by an RNTI of the first neighboring MS and a second CRC bit scrambled by the at least one V-RNTI and is received in a specific subframe.

Abstract translation: 一种由MS执行的用于接收移动台（MS）的干扰消除信息的方法，包括接收包括多个V-RNTI的虚拟无线电网络临时标识符（V-RNTI）集合，用于消除来自 服务基站，多个V-RNTI中的每一个与由相邻基站服务的一个或多个MS（以下称为“相邻MS”）的RNTI相关联，并且接收第一相邻MS的下行链路控制信道 的相邻MS使用V-RNTI集合的至少一个V-RNTI。 所述下行链路控制信道是具有由所述第一相邻MS的RNTI加扰的第一循环冗余校验（CRC）比特和由所述至少一个V-RNTI加扰的第二CRC比特的双CRC下行链路控制信道，并且被接收在 具体子帧。