公开(公告)号：US20180026773A1

公开(公告)日：2018-01-25

申请号：US15543950

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Hyunsoo KO ,  Kilbom LEE ,  Kukheon CHOI ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04L5/14 ,  H04B15/00 ,  H04L25/02

CPC classification number: H04L5/14 ,  H04B15/00 ,  H04L5/1461 ,  H04L25/0202 ,  H04L25/0226 ,  H04L27/26 ,  H04W84/045

Abstract: A method for estimating, by a device using an FDR scheme, a non-linear self-interference signal channel comprises a step of estimating a non-linear self-interference signal channel using a first sequence set included in a predefined first sequence set, wherein the predefined first sequence set is defined in consideration of non-linear self-interference signal components in an RF transmission chain and an RF reception chain of the device.

公开(公告)号：US20180020457A1

公开(公告)日：2018-01-18

申请号：US15546869

申请日：2016-01-22

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Hyunsoo KO ,  Kukheon CHOI ,  Dongkyu KIM ,  Sangrim LEE

IPC: H04W72/08 ,  H04W24/10 ,  H04W28/02 ,  H04W72/04 ,  H04L5/14 ,  H04W24/08

CPC classification number: H04W72/082 ,  H04B17/24 ,  H04B17/345 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/14 ,  H04W24/08 ,  H04W24/10 ,  H04W28/0236 ,  H04W52/241 ,  H04W72/0446 ,  H04W72/0453 ,  H04W88/08

Abstract: The present invention relates to a method and apparatus for allocating a resource by a base station in a wireless communication system supporting full-duplex communication. Specifically, the present invention comprises the steps of: transmitting, to a plurality of UEs, measurement information including time information and information on candidate sub-bands for measuring inter-device interference (IDI); receiving, from the plurality of UEs, IDI measurement results measured according to the measurement information; and performing resource allocation for the plurality of UEs on the basis of the IDI measurement results, wherein the information on candidate sub-bands includes at least one candidate sub-band configured for each of the plurality of UEs on the basis of channel measurement between the base station and the corresponding UE.

公开(公告)号：US20180013466A1

公开(公告)日：2018-01-11

申请号：US15545515

申请日：2015-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Hyunsoo KO ,  Jaehoon CHUNG ,  Kukheon CHOI ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04L5/14 ,  H04B7/08 ,  H04B15/02 ,  H04B1/56

CPC classification number: H04B1/12 ,  H04B1/525 ,  H04B1/56 ,  H04B7/0857 ,  H04B15/02 ,  H04B17/14 ,  H04B17/345 ,  H04L5/0055 ,  H04L5/14 ,  H04L5/1461

Abstract: A method for removing a self-interference signal by a device supporting an FDR mode can further comprise the steps of: transmitting a signal to a counterpart node in a predetermined time interval; generating, in an RF stage of the device, a residual self-interference signal after removal of an analog self-interference signal with respect to the signal and then storing same; and receiving from the counterpart node a NACK signal with respect to the transmission of the signal; retransmitting the signal to the counterpart node; and, if decoding of the signal which has been received in the predetermined time interval is successful, using only a part of the stored residual self-interference signal when removing a digital self-interference signal on the basis of the retransmission.

公开(公告)号：US20170318564A1

公开(公告)日：2017-11-02

申请号：US15520737

申请日：2015-04-07

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH ,  Sangrim LEE

IPC: H04W72/04

CPC classification number: H04L5/0087 ,  H04L1/00 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0092 ,  H04L5/14 ,  H04W52/34 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/1273 ,  H04W72/1289

Abstract: A method for transmitting and receiving data in a wireless communication system and an apparatus for the method are disclosed. More specifically, a method for transmitting downlink data in a wireless communication system comprises transmitting, by an eNB, first downlink data through a physical downlink shared channel (PDSCH) region according to a radio frame structure based on a first transmission time interval (TTI); and transmitting, by the eNB, second downlink data through a short PDSCH (sPDSCH) region according to a radio frame structure based on a second TTI, wherein downlink control information (DCI) related to the second downlink data is transmitted through a physical downlink control channel (PDCCH) or a short PDCCH (sPDCCH).

公开(公告)号：US20170318452A1

公开(公告)日：2017-11-02

申请号：US15531394

申请日：2014-11-27

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck HAHN ,  Jaehoon CHUNG ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04W8/20 ,  H04W88/02 ,  H04W8/26

CPC classification number: H04W8/20 ,  H04W8/26 ,  H04W12/02 ,  H04W88/02

Abstract: Embodiments of the present invention provide a method for allocating and updating an identifier in order to protect the location privacy of a user equipment (UE), and apparatuses for supporting the same. As an embodiment of the present invention, a method for protecting the location privacy of a UE in a wireless access system may comprise the steps of: receiving, from a mobility management entity (MME), an access acceptance message including a globally unique temporary identifier (GUTI) assigned so as not to expose an IMSI of the UE and update period information indicating an update period of the GUTI; determining whether to update the GUTI on the basis of the update period information; transmitting a GUTI update request message to the MME when the update period indicated by the update period information is reached; and receiving a GUTI update message including a new updated GUTI, in response to the GUTI update request message.

公开(公告)号：US20170257239A1

公开(公告)日：2017-09-07

申请号：US15448448

申请日：2017-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Dongkyu KIM ,  Kwangseok NOH

IPC: H04L27/14 ,  H04L25/02

CPC classification number: H04L25/0204 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/0228 ,  H04W52/04

Abstract: A method of demodulating a channel by a user equipment in a wireless communication system, include the steps of receiving information including a total power value of reference signals (RSs), a power difference value between power of a first RS for control information and a power of a second RS for data among the RSs, a port number of an additional RS, a cyclic shift (CS) value of the additional RS, and a power value of the additional RS and a power difference value between second RSs for the control information, performing channel estimation on a first channel on which the additional RS is received and a second channel received from a port identical to the port number of the additional RS and the second channel on which the first RS to which a CS value different from the CS value of the additional RS is applied is received, obtaining a power difference value between the power of the additional RS and the power of the first RS based on the channel estimation of the first and the second channels, and determining a number of rank of the second RS based on the total power value of the RSs, the power value of the additional RS, a power difference value between the power of the first RS and the power of the second RS, the obtained power difference value between the power of the additional RS and the power of the first RS, and the power difference value between the power of the second RSs.

公开(公告)号：US20170257177A1

公开(公告)日：2017-09-07

申请号：US15519805

申请日：2015-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Sangrim LEE

IPC: H04B17/345 ,  H04W24/08 ,  H04W24/10 ,  H04L5/14

CPC classification number: H04B17/345 ,  H04J11/003 ,  H04L5/0051 ,  H04L5/0073 ,  H04L5/14 ,  H04W24/08 ,  H04W24/10

Abstract: The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method for a terminal to measure interference in a wireless communication system supporting FDR according to an embodiment of the present invention comprises the steps of: receiving an interference measurement resource at a measurement subframe; and measuring, at the interference measurement resource, interference from a neighboring terminal on the basis of an interference reference signal transmitted from the neighboring terminal. In addition, data is not transmitted or is transmitted with zero-power in the interference measurement resource.

公开(公告)号：US20170237513A1

公开(公告)日：2017-08-17

申请号：US15502163

申请日：2015-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Genebeck HAHN ,  Jaehoon CHUNG ,  Eunjong LEE ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04J11/00 ,  H04W72/04

CPC classification number: H04J11/005 ,  H04B17/24 ,  H04B17/345 ,  H04J11/00 ,  H04J11/0073 ,  H04J11/0076 ,  H04J11/0093 ,  H04W52/244 ,  H04W72/0426 ,  H04W84/045 ,  H04W88/02 ,  H04W92/20

Abstract: A method for identifying a mobile cell causing interference by a terminal connected to a first mobile cell, according to one embodiment of the present invention, comprises the steps of: acquiring system information of a fixed base station to which the first mobile cell is connected through a backhaul interface; acquiring a physical cell identifier of a second mobile cell neighboring the first mobile cell by a cell search; determining whether the second mobile cell causes interference to the first mobile cell on the basis of the physical cell identifier of the second mobile cell and the system information of the fixed base station; and reporting the physical cell identifier of the second mobile cell to the first mobile cell if the interference to the first mobile cell is determined to be caused by the second mobile cell.

公开(公告)号：US20170013610A1

公开(公告)日：2017-01-12

申请号：US15119200

申请日：2015-02-12

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong LEE ,  Jaehoon CHUNG ,  Genebeck HAHN ,  Jinmin KIM ,  Kukheon CHOI ,  Kwangseok NOH

IPC: H04W72/04 ,  H04L1/18 ,  H04W74/08

CPC classification number: H04W72/0413 ,  H04L1/00 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0082 ,  H04W74/08

Abstract: Provided are a method and apparatus for transmitting uplink data. Particularly, a method for transmitting uplink data in a wireless communication system, the method includes transmitting, by a user equipment, a scheduling request to a base station, and transmitting, by the user equipment, uplink data through a contention-based physical uplink shared channel (PUSCH) resource block that can transmit the uplink data without a uplink grant of the base station, wherein the scheduling request and the contention-based PUSCH resource block may be transmitted in an identical subframe.

Abstract translation: 提供了一种用于发送上行链路数据的方法和装置。 具体地说，一种在无线通信系统中发送上行链路数据的方法，该方法包括：由用户设备向基站发送调度请求，并由用户设备通过基于竞争的物理上行链路共享发送上行链路数据 信道（PUSCH）资源块，其可以在没有基站的上行链路许可的情况下发送上行链路数据，其中调度请求和基于竞争的PUSCH资源块可以在相同的子帧中发送。

公开(公告)号：US20160359608A1

公开(公告)日：2016-12-08

申请号：US15173541

申请日：2016-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Kwangseok NOH ,  Dongkyu KIM ,  Hyunsoo KO ,  Kukheon CHOI ,  Sangrim LEE ,  Hojae LEE

IPC: H04L5/14 ,  H04W52/04 ,  H04L29/08

CPC classification number: H04L5/1461 ,  H04B1/54 ,  H04L69/324 ,  H04W52/04 ,  H04W52/143 ,  H04W52/243 ,  H04W52/246

Abstract: Disclosed herein is method of performing self-interference cancellation in the network nodes supporting full-duplex communication. Specifically, the method includes receiving a desired signal from a user equipment (UE), performing cancellation of self-interference according to a transmitted signal of the network node, the transmitted signal using the same radio resource as the desired signal, determining whether the cancellation of the self-interference is successful, performing, upon determining that the cancellation of the self-interference is successful, decoding of the desired signal and checking cyclic redundancy check (CRC), and performing power control and link adaptation depending on success in performing the cancellation of the self-interference and a result of checking the CRC.

Abstract translation: 这里公开了在支持全双工通信的网络节点中执行自干扰消除的方法。 具体地说，该方法包括：接收来自用户设备（UE）的所需信号，根据网络节点的发送信号执行自干扰消除，使用与所需信号相同的无线资源发送信号，确定是否取消 自干扰成功，在确定自干扰的取消成功时，执行期望信号的解码和检查循环冗余校验（CRC），以及执行功率控制和链路自适应，这取决于在执行 取消自身干扰和检查CRC的结果。