公开(公告)号：US09264153B2

公开(公告)日：2016-02-16

申请号：US14565736

申请日：2014-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Jaehoon Chung ,  Genebeck Hahn ,  Eunjong Lee ,  Kukheon Choi ,  Kwangseok Noh

IPC: H04B7/02 ,  H04B15/00 ,  H04B7/24 ,  H04B7/06

CPC classification number: H04B15/02 ,  H04B1/48 ,  H04B1/525 ,  H04B7/026 ,  H04B7/0626 ,  H04B7/24 ,  H04B15/00 ,  H04B2001/485

Abstract: An apparatus for cancelling a self-interference signal between a transmission antenna and a reception antenna is disclosed. The apparatus includes a first self-interference signal cancellation unit for cancelling a self-interference signal in consideration of a linear channel between the transmission antenna and the reception antenna, a second self-interference signal cancellation unit for cancelling a self-interference signal in consideration of nonlinear channel characteristic between the transmission antenna and the reception antenna or linear characteristic of a radio channel, and a controller for comparing a transmitted signal output from the transmission antenna and a received signal received by the reception antenna to provide a first coefficient to be applied to self-interference signal cancellation of a linear device in the first self-interference signal cancellation unit and a second coefficient to be applied to self-interference signal cancellation of a nonlinear device in the second self-interference signal cancellation unit.

公开(公告)号：US09209883B2

公开(公告)日：2015-12-08

申请号：US14528728

申请日：2014-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Sunam Kim ,  Dongguk Lim ,  Moonil Lee ,  Jaehoon Chung

IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04L25/03 ,  H04W48/08 ,  H04W72/00

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/10 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0028 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03343 ,  H04L2025/03426 ,  H04L2025/03808 ,  H04W48/08 ,  H04W72/00 ,  H04W72/0413 ,  H04W72/0446

Abstract: A method for transmitting channel status information (CSI) of downlink transmission via uplink in a wireless communication system includes transmitting a rank indicator (RI) and a precoder type indicator (PTI) at a first subframe, transmitting at a second subframe a first precoding matrix indicator (PMI) when the PTI has a first value and transmitting a second PMI and a wideband channel quality indicator (WB CQI) when the PTI has a second value, and transmitting at a third subframe a second PMI and a WB CQI when the PTI has a first value and transmitting a subband (SB) CQI and a second PMI when the PTI has a second value. A user equipment (UE) preferred precoding matrix is indicated by a combination of the first PMI and the second PMI. Subsampled codebooks of precoding codebooks of individual Rank-2, Rank-3 and Rank-4 are applied to the second PMI.

Abstract translation: 一种用于在无线通信系统中经由上行链路传输下行链路传输的信道状态信息（CSI）的方法，包括在第一子帧处发送秩指示符（RI）和预编码器类型指示符（PTI），在第二子帧处发送第一预编码矩阵 当PTI具有第一值并且当PTI具有第二值时发送第二PMI和宽带信道质量指示符（WB CQI）时，当PTI具有第一值并且当PTI发送时，在第三子帧发送第二PMI和WB CQI，指示符（PMI） 具有第一值并且当PTI具有第二值时发送子带（SB）CQI和第二PMI。 用户设备（UE）优选预编码矩阵由第一PMI和第二PMI的组合指示。 个别Rank-2，Rank-3和Rank-4的预编码码本的二次采样码本应用于第二PMI。

公开(公告)号：US09197389B2

公开(公告)日：2015-11-24

申请号：US14221063

申请日：2014-03-20

Applicant: LG Electronics Inc.

Inventor： Jiwoong Jang ,  Jaehoon Chung ,  Minseok Noh ,  Hyunsoo Ko

IPC: H04B7/216 ,  H04L5/00 ,  H04L1/18 ,  H04L1/00

CPC classification number: H04L5/0055 ,  H04L1/0031 ,  H04L1/0042 ,  H04L1/0067 ,  H04L1/0073 ,  H04L1/1861 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/14

Abstract: Methods and devices for transmitting or receiving channel quality control information through a physical uplink shared channel (PUSCH) in a wireless access system that supports hybrid automatic retransmit request (HARQ) are discussed. The method in one embodiment performed by a user equipment (UE) includes receiving a physical downlink control channel (PDCCH) signal including an initial uplink grant, transmitting uplink data using two transport blocks based on the initial uplink grant, receiving a negative acknowledgement (NACK) information for one of the two transport blocks, and transmitting a channel quality control information along with the one of the two transport blocks which is retransmitted according to the NACK information or a new transport block through the PUSCH to which the HARQ is applied. A number of coded symbols required to transmit the channel quality control information (Q′) is calculated based on the initial uplink grant.

Abstract translation: 讨论了在支持混合自动重传请求（HARQ）的无线接入系统中通过物理上行链路共享信道（PUSCH）发送或接收信道质量控制信息的方法和装置。 在一个实施例中由用户设备（UE）执行的方法包括：接收包括初始上行链路许可的物理下行链路控制信道（PDCCH）信号，基于所述初始上行链路许可，使用两个传输块发送上行链路数据;接收否定确认（NACK ）信息，以及根据NACK信息或新的传输块通过应用HARQ的PUSCH发送信道质量控制信息以及根据NACK信息或新的传输块重发的两个传输块中的一个传输块。 基于初始上行链路授权来计算发送信道质量控制信息（Q'）所需的多个编码符号。

公开(公告)号：US09154205B2

公开(公告)日：2015-10-06

申请号：US14395796

申请日：2013-04-15

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Sunam Kim ,  Binchul Ihm ,  Hyukmin Son ,  Changhwan Park ,  Jaehoon Chung

IPC: H04B7/04 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04B7/046 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0691 ,  H04L25/0204 ,  H04L25/0224 ,  H04L25/03 ,  H04W72/0413

Abstract: A method for downlink beamforming in a wireless access system and a device therefor are disclosed. Specifically, the method comprises the following steps: transmitting, by an eNB, a reference signal to a UE through only a first antenna set from among whole antennas; receiving, by the eNB, channel state information (CSI) for the first antenna set from the UE; and transmitting, by the eNB, beamforming a downlink channel by using a precoding matrix for the whole antennas, wherein CSI for a second antenna set by which the reference signal has not been transmitted from among the whole antennas is calculated using the CSI for the first antenna set.

Abstract translation: 公开了一种用于无线接入系统中的下行链路波束成形的方法及其装置。 具体地说，该方法包括以下步骤：由eNB通过仅从整个天线中的第一天线组发送参考信号给UE; 由eNB接收来自UE的第一天线组的信道状态信息（CSI）; 并且由eNB通过使用用于整个天线的预编码矩阵来发送对下行链路信道进行波束成形，其中使用用于第一个天线的CSI来计算在整个天线中尚未发送参考信号的第二天线组的CSI 天线组。

公开(公告)号：US20150256313A1

公开(公告)日：2015-09-10

申请号：US14706615

申请日：2015-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Soyeon KIM ,  Jaehoon Chung ,  Seunghee Han ,  Minseok Noh

IPC: H04L5/00 ,  H04W24/10 ,  H04W72/04 ,  H04W76/04

CPC classification number: H04L5/0057 ,  H04B7/0647 ,  H04L5/001 ,  H04L5/0053 ,  H04W24/10 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/14 ,  H04W76/27

Abstract: The present invention relates to a wireless access system supporting multi-carrier aggregation (CA) and discloses various methods and devices for aperiodic feedback of channel state information (CSI). The method for aperiodic feedback of the channel state information (CSI) in the wireless access system supporting the multi-carrier aggregation (CA), according to an embodiment of the present invention, comprises the steps of: receiving a first message including an aperiodic CSI request field and uplink grant from a base station; receiving a second message including bitmap information indicating a downlink component carrier (DL CC) subjected to CSI measurement from the base station; measuring the CSI in consideration of at least one of the aperiodic CSI request, uplink grant, and bitmap information; and transmitting the measured CSI to the base station through a physical uplink shared channel (PUSCH) to thereby receive aperiodic feedback of the same.

Abstract translation: 本发明涉及支持多载波聚合（CA）的无线接入系统，并且公开了用于信道状态信息（CSI）的非周期反馈的各种方法和装置。 根据本发明的实施例，用于支持多载波聚合（CA）的无线接入系统中的信道状态信息（CSI）的非周期反馈的方法包括以下步骤：接收包括非周期CSI的第一消息 来自基站的请求字段和上行链路授权; 从基站接收包括表示进行CSI测量的下行分量载波（DL CC）的位图信息的第二消息; 考虑到非周期性CSI请求，上行链路许可和位图信息中的至少一个来测量CSI; 以及通过物理上行链路共享信道（PUSCH）将测量的CSI发送到基站，从而接收该CSI的非周期性反馈。

公开(公告)号：US09094860B2

公开(公告)日：2015-07-28

申请号：US14218868

申请日：2014-03-18

Applicant: LG Electronics Inc.

Inventor： Hyunsoo Ko ,  Jaehoon Chung ,  Seunghee Han ,  Moonil Lee

IPC: H04W4/00 ,  H04W28/04 ,  H04L1/00 ,  H04L5/00 ,  H04B7/06 ,  H04L1/16 ,  H04W24/10 ,  H04B7/04

CPC classification number: H04B7/0632 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/068 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/1671 ,  H04L5/001 ,  H04L5/0023 ,  H04L27/2601 ,  H04W24/10 ,  H04W74/0858

Abstract: A method for transmitting channel status information (CSI) of downlink multi-carrier transmission includes generating the CSI including at least one of a rank indicator (RI), a first precoding matrix index (PMI), a second PMI and a channel quality indicator (CQI) for one or more downlink carriers, the CQI being calculated based on precoding information determined by a combination of the first and second PMIs, determining, when two or more CSIs collide with one another in one uplink subframe of one uplink carrier, a CSI to be transmitted on the basis of priority, and transmitting the determined CSI over a uplink channel. If a CSI including an RI or a wideband first PMI collides with a CSI including a wideband CQI or a subband CQI, the CSI including a wideband CQI or a subband CQI has low priority and is dropped.

Abstract translation: 用于发送下行链路多载波传输的信道状态信息（CSI）的方法包括：生成包括秩指示符（RI），第一预编码矩阵索引（PMI），第二PMI和信道质量指示符 CQI），基于由第一和第二PMI的组合确定的预编码信息来计算CQI，当两个或更多个CSI在一个上行链路载波的一个上行链路子帧中彼此冲突时，确定CSI 基于优先级发送，并通过上行链路信道发送所确定的CSI。 如果包括RI或宽带第一PMI的CSI与包括宽带CQI或子带CQI的CSI相冲突，则包括宽带CQI或子带CQI的CSI具有低优先级并被丢弃。

公开(公告)号：US20150208311A1

公开(公告)日：2015-07-23

申请号：US14416920

申请日：2013-07-26

Applicant: LG Electronics Inc.

Inventor： Eunjong Lee ,  Heejeong Cho ,  Jaehoon Chung

IPC: H04W36/30 ,  H04W88/06

CPC classification number: H04W24/10 ,  H04W36/30 ,  H04W74/00 ,  H04W74/006 ,  H04W88/06

Abstract: A method of supporting communication using two or more heterogeneous radio access technologies (RAT) may include receiving, from a first communication network supporting a first RAT, a first message requesting notification as to whether access to a second communication network that simultaneously support the first communication network and a second RAT is supported; transmitting, to the base station in the first communication network, a second message including an indicator indicating whether to support simultaneous access to the first and second communication networks in response to the first message; and receiving a trigger condition for reporting a measurement result for the second communication network from the base station in the first communication network, when the indicator indicates that the terminal is able to access the first and second communication networks.

Abstract translation: 支持使用两种或更多种异构无线电接入技术（RAT）的通信的方法可以包括：从支持第一RAT的第一通信网络接收第一消息，请求通知关于是否访问同时支持第一通信的第二通信网络 网络和第二RAT被支持; 向所述第一通信网络中的基站发送第二消息，所述第二消息包括响应于所述第一消息而指示是否支持同时访问所述第一和第二通信网络的指示符; 以及当所述指示符指示所述终端能够访问所述第一和第二通信网络时，接收用于从所述第一通信网络中的所述基站报告所述第二通信网络的测量结果的触发条件。

公开(公告)号：US20150180628A1

公开(公告)日：2015-06-25

申请号：US14414064

申请日：2013-07-12

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04 ,  H04B7/08

CPC classification number: H04L5/0048 ,  H04B7/0667 ,  H04B7/0671 ,  H04B7/0891 ,  H04B7/0894 ,  H04L5/0053 ,  H04W72/0413 ,  H04W88/02

Abstract: The present invention provides various methods for transmitting a channel state information reference signal (CSI-RS) by varying a transmission period for each antenna port or antenna port group, and also provides apparatuses supporting the methods. The method for receiving a CSI-RS in a wireless access system according to one aspect of the present invention may comprise the steps of: receiving a CSI-RS component information element for setting CSI-RS transmission periods for two or more antenna ports to be mutually different; receiving CSI-RSs for each of the two or more antenna ports based on the CSI-RS component information element; and acquiring channel state information for each of the two or more antenna ports based on the received CSI-RS.

Abstract translation: 本发明提供了通过改变每个天线端口或天线端口组的传输周期来发送信道状态信息参考信号（CSI-RS）的各种方法，并且还提供支持该方法的设备。 根据本发明的一个方面的用于在无线接入系统中接收CSI-RS的方法可以包括以下步骤：接收用于将两个或更多个天线端口的CSI-RS传输周期设置为的CSI-RS组件信息单元 相互不同 基于所述CSI-RS分量信息单元接收所述两个或更多个天线端口中的每一个的CSI-RS; 以及基于所接收的CSI-RS获取所述两个或更多个天线端口中的每一个的信道状态信息。

公开(公告)号：US09065622B2

公开(公告)日：2015-06-23

申请号：US14523568

申请日：2014-10-24

Applicant: LG ELECTRONICS INC.

Inventor： Jiwoong Jang ,  Moonil Lee ,  Hyunwoo Lee ,  Jaehoon Chung ,  Seunghee Han ,  Hyunsoo Ko

IPC: H04W4/00 ,  H04L5/00 ,  H04L1/16 ,  H04L25/03 ,  H03M13/09 ,  H04L1/00 ,  H03M13/29 ,  H03M13/00 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L5/0058 ,  H03M13/09 ,  H03M13/2957 ,  H03M13/2963 ,  H03M13/6356 ,  H03M13/6362 ,  H03M13/6525 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0031 ,  H04L1/0071 ,  H04L1/0073 ,  H04L1/0079 ,  H04L1/1671 ,  H04L5/0023 ,  H04L5/0055 ,  H04L5/0057 ,  H04L25/03343

Abstract: A method of transmitting a signal to a base station at a user equipment (UE) in a multi-antenna wireless communication system, can include generating interleaver input vector sequences, wherein the interleaver input vector sequences comprise vectors having a predetermined bit size, mapping the interleaver input vector sequences to an interleaver matrix, generating an output bit sequence by reading the interleaver matrix column by column, and transmitting the output bit sequence to the base station, wherein the predetermined bit size is defined by a product of a modulation order Qpm and the number NL of transmission layers.

Abstract translation: 在多天线无线通信系统中在用户设备（UE）处向基站发送信号的方法可以包括生成交织器输入向量序列，其中交织器输入向量序列包括具有预定比特大小的向量，映射到 交织器输入向量序列到交织器矩阵，通过逐列读取交织器矩阵来生成输出比特序列，并将输出比特序列发送到基站，其中预定比特大小由调制阶数Qpm和 传输层数NL。

公开(公告)号：US20150163800A1

公开(公告)日：2015-06-11

申请号：US14406965

申请日：2013-05-06

Applicant: LG ELECTRONICS INC.

Inventor： Sunam Kim ,  Jaehoon Chung ,  Binchul Ihm

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04L5/00 ,  H04L5/001 ,  H04L5/0035 ,  H04W36/0061 ,  H04W72/042 ,  H04W72/0426

Abstract: One embodiment of the present invention provides a method for determining a radio resource by a terminal. According to the method, information on a second cell can be received from a first cell, wherein a radio resource of the first cell includes a plurality of wireless frames along a time axis, each wireless frame includes a plurality of subframes, and the information on the second cell can include an ID of the second cell. In addition, a radio resource of the second cell can be determined by using the information on the second cell, wherein the radio resource of the second cell can be determined as a partial region in the wireless frames or the subframes of the first cell, which is indicated by the information on the second cell.

Abstract translation: 本发明的一个实施例提供一种终端确定无线电资源的方法。 根据该方法，可以从第一小区接收关于第二小区的信息，其中第一小区的无线资源包括沿着时间轴的多个无线帧，每个无线帧包括多个子帧，并且关于 第二小区可以包括第二小区的ID。 此外，可以通过使用关于第二小区的信息来确定第二小区的无线电资源，其中可以将第二小区的无线电资源确定为第一小区的无线帧或子帧中的部分区域，其中 由第二小区上的信息指示。