公开(公告)号：US20180027441A1

公开(公告)日：2018-01-25

申请号：US15548254

申请日：2016-01-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Hanbyul SEO ,  Bonghoe KIM ,  Yunjung YI

IPC: H04W28/02 ,  H04W52/02 ,  H04W52/24

CPC classification number: H04W28/0221 ,  H04B7/0452 ,  H04B7/0617 ,  H04J11/004 ,  H04L5/0007 ,  H04L5/0016 ,  H04L27/3488 ,  H04W52/0212 ,  H04W52/0238 ,  H04W52/243 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/444

Abstract: A method for receiving a downlink signal from a base station (BS) by a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving power multiplexing information from the BS, receiving a reference signal and the downlink signal from the BS, calculating reception power of an interference signal from reception power of the downlink signal, using the reference signal and the power multiplexing information, and acquiring a data signal of the UE by eliminating the reception power of the interference signal from the reception power of the downlink signal.

公开(公告)号：US20180007668A1

公开(公告)日：2018-01-04

申请号：US15638253

申请日：2017-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Kunil YUM ,  Hyungtae KIM ,  Jonghyun PARK ,  Haewook PARK

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L1/0026 ,  H04L1/0067 ,  H04L1/0606 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0055

Abstract: A method for receiving a downlink signal according to a Demodulation Reference Signal (DMRS)-based transmission scheme, performed by a mobile terminal, in a wireless communication system is disclosed. The method includes receiving indication information indicating whether rate matching or timewise Resource Element (RE) pairing is allowed for REs that do not constitute frequency-wise RE pairs for Space Frequency Block Coding (SFBC) on symbols to which DMRSs are mapped in a Resource Block (RB) for a DL data channel, and decoding the downlink data channel, on assumption that the REs that do not constitute frequency-wise RE pairs for SFBC are rate-matched, or constitute time-wise RE pairs to which transmission data is mapped, according to the indication information.

公开(公告)号：US20180006845A1

公开(公告)日：2018-01-04

申请号：US15541237

申请日：2016-01-05

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Kijun KIM ,  Hyungtae KIM ,  Jonghyun PARK

IPC: H04L25/02 ,  H04B7/06

CPC classification number: H04L25/0242 ,  H04B7/024 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/06 ,  H04B7/0626 ,  H04B7/065 ,  H04B7/10 ,  H04L5/00 ,  H04L25/02 ,  H04L25/0204 ,  H04L25/0228

Abstract: A method for estimating a channel status by a base station in a wireless communication system according to an embodiment of the present invention comprises the steps of: obtaining an uplink channel matrix by using a sounding reference signal (SRS) received from a terminal; transmitting a channel state information-reference signal (CSI-RS) through at least some antenna devices in a two-dimensional antenna array of the base station; receiving a channel quality indicator (CQI) calculated on the basis of the CSI-RS transmission; and obtaining, through a predetermined correction factor obtained on the basis of the CQI and the uplink channel matrix, a downlink channel matrix for the entire two-dimensional antenna array comprising the remaining antenna devices through which the CSI-RS is not transmitted.

公开(公告)号：US20170294950A1

公开(公告)日：2017-10-12

申请号：US15515997

申请日：2015-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Jonghyun PARK ,  Hyunho LEE

IPC: H04B7/06 ,  H04B7/155 ,  H04W72/02

CPC classification number: H04B7/0626 ,  H04B7/0421 ,  H04B7/0632 ,  H04B7/15542 ,  H04W24/10 ,  H04W72/02

Abstract: A method for reporting channel state information (CSI) from a user equipment to a base station in a wireless communication system is disclosed. The method comprises the steps of configuring a first feedback chain corresponding to a first channel state information-reference signal (CSI-RS) and a second feedback chain corresponding to a second CSI-RS through higher layer signaling; generating a first partial CSI and a second partial CSI corresponding to each of the feedback chains by using the first and second CSI-RSs received from the base station; periodically reporting the first partial CSI to the base station in accordance with the first feedback chain; and aperiodically reporting the second partial CSI to the base station in accordance with the second feedback chain.

公开(公告)号：US20170179984A1

公开(公告)日：2017-06-22

申请号：US15129379

申请日：2015-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Joonkui AHN ,  Byounghoon KIM ,  Hanjun PARK ,  Hyunho LEE

IPC: H04B1/10 ,  H04W8/24

CPC classification number: H04B1/10 ,  H04J11/00 ,  H04W8/24

Abstract: The present invention relates to a wireless communication system. According to an embodiment of the present invention, a method for a device receiving a signal by using NAICS (Network-Assisted Interference Cancellation and Suppression) in a wireless communication system that supports carrier aggregation comprises the steps of: transmitting, in carrier aggregation, device capability information comprising band combination information which indicates band combination supported by the device; and receiving a signal on the basis of the device capability information, wherein the band combination information can include a maximum bandwidth supporting the NAICS for the band combination.

公开(公告)号：US20170048749A1

公开(公告)日：2017-02-16

申请号：US15306037

申请日：2015-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Joonkui AHN ,  Byounghoon KIM ,  Hanjun PARK ,  Hyunho LEE

IPC: H04W28/04 ,  H04L5/00 ,  H04W72/08

CPC classification number: H04W28/04 ,  H04B17/345 ,  H04J11/00 ,  H04J11/0056 ,  H04J2211/005 ,  H04L5/0048 ,  H04W72/082

Abstract: The present invention relates to a wireless communication system. According to an embodiment of the present invention, a method for receiving, by a terminal, a signal by using a network-assisted interference cancellation and suppression (NAICS) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting terminal capability information including information on an interference transmission mode (TM) supported by the terminal; receiving network assistance information corresponding to the terminal capability information; and receiving a signal by using the network assistance information, wherein the terminal capability information can include port number information about a number of common reference signal (CRS) ports of an interfering cell on which the terminal can perform NAICS.

Abstract translation: 本发明涉及一种无线通信系统。 根据本发明的实施例，根据本发明的一个实施例，一种通过使用无线通信系统中的网络辅助干扰消除和抑制（NAICS）由终端接收信号的方法包括： 步骤：发送包括由终端支持的干扰传输模式（TM）的信息的终端能力信息; 接收对应于终端能力信息的网络协助信息; 以及通过使用所述网络辅助信息接收信号，其中所述终端能力信息可以包括关于所述终端可以执行NAICS的干扰小区的公共参考信号（CRS）端口的数目的端口号信息。

公开(公告)号：US20160353317A1

公开(公告)日：2016-12-01

申请号：US15113798

申请日：2015-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM

IPC: H04W28/02 ,  H04W76/04 ,  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.

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。 一种在无线通信系统中由终端使用网络辅助干扰消除来接收信号的方法，包括以下步骤：接收对应于物理下行链路控制信道（PDSCH）的每个资源元素（EPRE）的能量比率的PA信息， 到公共参考信号（CRS）的EPRE，其中所述PA信息包括根据调制阶数被区分的第一PA信息和第二PA信息; 以及使用与信号的调制阶数相对应的第一PA信息或第二PA信息来消除相邻小区的干扰并接收信号。

公开(公告)号：US20160316389A1

公开(公告)日：2016-10-27

申请号：US15101381

申请日：2014-12-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Inkwon SEO ,  Jonghyun PARK ,  Yunjung YI ,  Youngtae KIM ,  Kunil YUM

IPC: H04W28/04 ,  H04L5/00 ,  H04W24/08 ,  H04B17/345

CPC classification number: H04W28/04 ,  H04B17/345 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0073 ,  H04W24/08 ,  H04W72/085

Abstract: The present invention relates to a wireless communication system. A method for a terminal for removing interference and receiving a signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving configuration information for channel status information which has utilized interference measurements; and on the basis of the configuration information, measuring the interference from an interfering cell, and on the basis of the measured interference, measuring the channel status information from an interference measurement resource (IMR), wherein interference can be measured, in a resource block in which an IMR exists, on the basis of whether the interfering cell is transmitting data and the type of the signal transmitted from the IMR.

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用于在无线通信系统中去除干扰和接收信号的终端的方法包括以下步骤：接收利用干扰测量的信道状态信息的配置信息; 并且基于配置信息，测量来自干扰小区的干扰，并且基于所测量的干扰，从资源块中可以测量干扰的干扰测量资源（IMR）测量信道状态信息 其中IMR存在，基于干扰小区是否正在发送数据和从IMR发送的信号的类型。

公开(公告)号：US20160277091A1

公开(公告)日：2016-09-22

申请号：US15013617

申请日：2016-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Kijun KIM ,  Jonghyun PARK

IPC: H04B7/06 ,  H04W72/04

CPC classification number: H04B7/065 ,  H04B7/024 ,  H04B7/0469 ,  H04B7/0478

Abstract: A method for reporting Channel Status Information (CSI) to a Base Station (BS) by a User Equipment (UE) in a wireless communication system is disclosed. The method includes receiving information about a CSI process configured with multiple reference signals from the BS, reporting an indicator indicating at least one reference signal for the CSI among the multiple reference signals to the BS, generating the CSI based on the at least one reference signal, and reporting the generated CSI to the BS. Here, a report type of the CSI is determined based on the indicator indicating the at least one reference signal.

Abstract translation: 公开了一种在无线通信系统中由用户设备（UE）向基站（BS）报告信道状态信息（CSI）的方法。 该方法包括接收关于配置有来自BS的多个参考信号的CSI过程的信息，向多个参考信号中向BS报告指示CSI的至少一个参考信号的指示符，基于至少一个参考信号产生CSI 并将生成的CSI报告给BS。 这里，基于指示至少一个参考信号的指示符来确定CSI的报告类型。

公开(公告)号：US20160261328A1

公开(公告)日：2016-09-08

申请号：US15013445

申请日：2016-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK ,  Kijun KIM

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/04

CPC classification number: H04B7/0632 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0689 ,  H04L5/0048 ,  H04L5/006

Abstract: A method of reporting channel state information to a base station at a user equipment (UE) in a wireless communication system is disclosed. The method includes configuring a two-dimensional (2D) antenna array transmission mode of a downlink data channel via a higher layer, receiving an indicator corresponding to one of transmission schemes of the downlink data channel via the higher layer, calculating the channel state information on the assumption of one transmission scheme of the downlink data channel corresponding to the indicator, and reporting the calculated channel state information to the base station. The transmission schemes of the downlink data channel include a demodulation-reference signal (DM-RS) based large delay (LD) cyclic delay diversity (CDD) transmission scheme and a closed loop multiplexing transmission scheme in the 2D antenna array transmission mode.

Abstract translation: 公开了一种在无线通信系统中的用户设备（UE）向基站报告信道状态信息的方法。 该方法包括经由较高层配置下行链路数据信道的二维（2D）天线阵列传输模式，经由较高层接收对应于下行链路数据信道的传输方案之一的指示符，计算信道状态信息 对与指示符相对应的下行链路数据信道的一个发送方案的假设，并将计算出的信道状态信息报告给基站。 下行链路数据信道的传输方案包括在2D天线阵列传输模式中基于解调参考信号（DM-RS）的大延迟（LD）循环延迟分集（CDD）传输方案和闭环复用传输方案。