公开(公告)号：US20160006553A1

公开(公告)日：2016-01-07

申请号：US14767876

申请日：2014-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Jonghyun PARK ,  Hyukjin CHAE

IPC: H04L5/00 ,  H04W24/08 ,  H04B7/04

CPC classification number: H04L5/0057 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04L1/06 ,  H04L1/1671 ,  H04L1/1861 ,  H04L1/1864 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04L2001/0092 ,  H04W24/08

Abstract: A method and apparatus for reporting a downlink channel state to a serving Base Station (BS) at a User Equipment (UE) in a wireless communication system in which each of N (N is an integer equal to or larger than 2) BSs transmits one or more independent layers to the UE are disclosed. The method includes receiving configuration information about a channel state information reference signal (CSI-RS) process including CSI-RS resource i (i=0, . . . , N—1) and one channel state information interference measurement (CSI-IM) resource, the CSI-RS resource i being allocated to BS i from among the N BSs, performing channel measurement in CSI-RS resource i to measure downlink channel Hi from BS i, and transmitting, to the serving BS, a channel state report including a precoding matrix index i (PMIi) and a rank indicator i (RIi), which maximize throughput of downlink channels from the N BSs, and/or a channel quality indicator i (CQIi). The RIi may range from 0 to Lmax and Lmax is a maximum number of layers which the UE is able to receive.

Abstract translation: 一种用于在无线通信系统中的用户设备（UE）向服务基站（BS）报告下行链路信道状态的方法和装置，其中N（N是等于或大于2的整数）的BS中的每一个发送一个 或更多独立的层。 该方法包括接收包括CSI-RS资源i（i = 0，...，N-1）和一个信道状态信息干扰测量（CSI-IM）的信道状态信息参考信号（CSI-RS） 资源，从N个BS中分配给BS i的CSI-RS资源i，在CSI-RS资源i中执行信道测量，以测量BS i的下行链路信道Hi，并向服务BS发送包括 预编码矩阵索引i（PMIi）和秩指示符i（RIi），其使来自N个BS的下行链路信道的吞吐量最大化和/或信道质量指示符i（CQIi）。 RIi可以在0到Lmax之间，Lmax是UE能够接收的最大层数。

公开(公告)号：US20150372733A1

公开(公告)日：2015-12-24

申请号：US14765794

申请日：2014-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hyukjin CHAE ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0482 ,  H04B7/0404 ,  H04B7/0456 ,  H04B7/0626

Abstract: The present invention relates to a method for a transmitting end efficiently transmitting a signal in a wireless communication system supporting a multi-antenna and an apparatus for same. More particularly, the method comprises a step of transmitting a downlink signal based on a precoding matrix (W) for an antenna comprising a plurality of antenna elements aligned perpendicularly, wherein the precoding matrix (W) corresponds to a codebook configured so that phase increase is limited with respect to a plurality of precoding vector values populating a same column.

Abstract translation: 本发明涉及一种用于在支持多天线的无线通信系统中发送端有效发送信号的方法及其装置。 更具体地，该方法包括基于用于包括垂直对齐的多个天线元件的天线的预编码矩阵（W）发送下行链路信号的步骤，其中预编码矩阵（W）对应于被配置为使得相位增加为 限于填充相同列的多个预编码向量值。

公开(公告)号：US20150372732A1

公开(公告)日：2015-12-24

申请号：US14649144

申请日：2013-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hyungtae KIM ,  Hanjun PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0478 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/0639 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0023 ,  H04L5/0057

Abstract: The present invention relates to a method by which a terminal feeds back channel state information for downlink transmission in a wireless communication system supporting multiple antennas. More specifically, the present invention comprises a step of transmitting a first precoding matrix index (PMI) and a second PMI for each sub-band, wherein a precoding matrix preferred by the terminal is instructed to combine the first PMI and the second PMI, and a precoding codebook in which a portion of a plurality of bits forming the second PMI is additionally used to form the first PMI is applied.

Abstract translation: 本发明涉及一种终端在支持多个天线的无线通信系统中反馈用于下行链路传输的信道状态信息的方法。 更具体地说，本发明包括发送每个子带的第一预编码矩阵索引（PMI）和第二PMI的步骤，其中指示由终端优选的预编码矩阵组合第一PMI和第二PMI，以及 应用附加地使用形成第二PMI的多个比特的一部分来形成第一PMI的预编码码本。

公开(公告)号：US20150319776A1

公开(公告)日：2015-11-05

申请号：US14649130

申请日：2013-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Dongyoun SEO ,  Hanbyul SEO ,  Kijun KIM ,  Joonkui AHN ,  Hakseong KIM

IPC: H04W74/00 ,  H04B7/06 ,  H04B7/208 ,  H04L27/26

CPC classification number: H04W74/002 ,  H04B7/0623 ,  H04B7/208 ,  H04L1/1671 ,  H04L1/1819 ,  H04L1/1822 ,  H04L27/2646 ,  H04W72/04 ,  H04W88/005 ,  H04W88/08

Abstract: A method for determining a transport block size in a wireless communication system, and an apparatus using the method are provided. The method comprises: determining the number of effective resource blocks; and determining the transport block size of data transmitted on a data channel according to the number of effective resource blocks. In addition, a method for transmitting ACK/NACK (acknowledgement/not-acknowledgement) is provided.

Abstract translation: 提供了一种用于确定无线通信系统中的传输块大小的方法，以及使用该方法的装置。 该方法包括：确定有效资源块的数量; 以及根据有效资源块的数量确定在数据信道上发送的数据的传输块大小。 另外，提供了发送ACK / NACK（确认/不确认）的方法。

公开(公告)号：US20150181464A1

公开(公告)日：2015-06-25

申请号：US14575702

申请日：2014-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Hyungtae KIM ,  Hanjun PARK ,  Kunil YUM ,  Kijun KIM ,  Jonghyun PARK ,  Youngtae KIM

IPC: H04W28/04 ,  H04L1/00 ,  H04W72/04

CPC classification number: H04L1/0026 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0072 ,  H04L1/1692 ,  H04L1/1854 ,  H04L5/0053

Abstract: A method for receiving information for interference cancellation of a user equipment (UE) includes detecting downlink control information including interference control information for a specific resource block (RB) scheduled for the UE by using an index of the specific RB, wherein the interference control information for the specific RB includes control information related to interference signal in the specific RB and indicates that the interference control information for the specific RB is the same as interference control information for one or more RBs having a series of indices subsequent to the index of the specific RB, and performing cancellation of interference signal corresponding to the interference control information in the specific RB and the one or more RBs using the interference control information for the specific RB.

Abstract translation: 一种用于接收用户设备（UE）的干扰消除的信息的方法包括：通过使用所述特定RB的索引来检测包括为所述UE调度的特定资源块（RB）的干扰控制信息的下行链路控制信息，其中所述干扰控制信息 由于特定RB包括与特定RB中的干扰信号有关的控制信息，并且指示特定RB的干扰控制信息与用于具有特定RB的索引之后的一系列索引的一个或多个RB的干扰控制信息相同 RB，并使用特定RB的干扰控制信息来执行与特定RB中的干扰控制信息和一个或多个RB相对应的干扰信号的消除。

公开(公告)号：US20150139009A1

公开(公告)日：2015-05-21

申请号：US14543666

申请日：2014-11-17

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Kijun KIM

IPC: H04W24/02 ,  H04W72/12

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.

Abstract translation: 一种在无线通信系统中进行链路自适应的方法，所述方法由用户设备（UE）进行，并且包括测量第一时间的信道状态，报告信道状态的测量值，以及基于所报告的测量接收调度 在第二时间点从服务基站的信道状态的值。 至少在第一时间实例和第二时间实例之间限制相邻基站的业务生成，以将报告的信道状态测量值与第二时间段的信道状态相一致。

公开(公告)号：US20140314016A1

公开(公告)日：2014-10-23

申请号：US14318292

申请日：2014-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong KIM ,  Youngwoo YUN ,  Daewon LEE ,  Joonkui AHN ,  Bonghoe KIM ,  Kijun KIM

IPC: H04L5/00 ,  H04W72/04 ,  H04W8/24

CPC classification number: H04L5/0051 ,  H04J11/0069 ,  H04L1/1607 ,  H04L1/1861 ,  H04L5/0053 ,  H04L5/0091 ,  H04W8/24 ,  H04W72/04 ,  H04W72/0413 ,  H04W72/1284

Abstract: A method and an apparatus of transmitting scheduling request (SR) in a wireless communication system are provided. The method includes configuring a physical uplink control channel (PUCCH) for a SR in a subframe, the subframe comprising a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols, wherein one SC-FDMA symbol on the PUCCH is punctured and transmitting the SR on the PUCCH in the subframe.

Abstract translation: 提供了一种在无线通信系统中发送调度请求（SR）的方法和装置。 该方法包括为子帧中的SR配置物理上行链路控制信道（PUCCH），该子帧包括多个单载波频分多址（SC-FDMA）符号，其中PUCCH上的一个SC-FDMA符号被穿孔 并在子帧中在PUCCH上发送SR。

公开(公告)号：US20140211873A1

公开(公告)日：2014-07-31

申请号：US14162560

申请日：2014-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/04 ,  H04W24/10

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04B7/0619

Abstract: A method of reporting a channel state to a base station supporting downlink multiple input multiple output (MIMO) 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. In the case in which the UE receives channel state information (CSI)-reference signal (RS) resources for N1 antenna ports, if a report for N2 (N1>N2) antenna ports is set, a codebook for the N2 antenna ports is configured as a subset of a codebook for the N1 antenna ports configured by the base station. Information about the N2 antenna ports is received from the base station.

Abstract translation: 在无线通信系统中向支持下行链路多输入多输出（MIMO）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链路信道，并且报告用于预编码的码本索引 下行链路信号根据下行链路信道的测量。 在UE接收N1天线端口的信道状态信息（CSI）参考信号（RS）资源的情况下，如果设置了N2（N1> N2）天线端口的报告，则配置N2天线端口的码本 作为由基站配置的N1天线端口的码本的子集。 从基站接收有关N2天线端口的信息。

公开(公告)号：US20250081207A1

公开(公告)日：2025-03-06

申请号：US18953782

申请日：2024-11-20

Applicant: LG Electronics Inc.

Inventor： Youngsub KIM ,  Hyunsoo KO ,  Sukhyon YOON ,  Kijun KIM ,  Seonwook KIM

IPC: H04W72/23 ,  H04L5/00 ,  H04L27/26 ,  H04W56/00 ,  H04W72/0446

Abstract: The present invention discloses a method for a user equipment to receive system information in a wireless communication system. Particularly, the method is characterized in detecting a first synchronization signal block configured with a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS) and a Physical Broadcasting Channel (PBCH) at a specific frequency position, determining a presence or non-presence of system information corresponding to the first synchronization signal block within a first synchronization raster corresponding to a specific frequency position based on a system information indicator included in the PBCH, and if the system information corresponding to the first synchronization signal block is determined as not existing, determining a second synchronization raster having system information exist therein based on the system information indicator.

公开(公告)号：US20250071816A1

公开(公告)日：2025-02-27

申请号：US18697131

申请日：2022-09-30

Applicant: LG Electronics Inc.

Inventor： Yoonsuk OH ,  Kijun KIM ,  Hyunsoo KO

IPC: H04W74/0833 ,  H04W72/21

Abstract: Disclosed are a method and device for performing random access in a wireless communication system. The method for performing, by a terminal, a random access procedure in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, information about a modulation and coding scheme (MCS) index group for a message 3 physical uplink shared channel (Msg3 PUSCH), on the basis that repetition transmission for the Msg3 PUSCH is configured, the MCS index group comprising at least one MCS index value; receiving, from the base station, MCS information indicating a specific MCS index value among the at least one MCS index value; and transmitting the Msg3 PUSCH on the basis of the specific MCS index value indicated by the MCS information.