公开(公告)号：US09713140B2

公开(公告)日：2017-07-18

申请号：US15265492

申请日：2016-09-14

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L12/18 ,  H04B7/0413 ,  H04W72/00 ,  H04B7/06 ,  H04W4/02 ,  H04B7/0426 ,  H04W28/18 ,  H04W72/12 ,  H04B7/0417

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L12/18 ,  H04L12/189 ,  H04W4/025 ,  H04W4/06 ,  H04W28/18 ,  H04W72/005 ,  H04W72/046 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment decoding an enhanced physical downlink control channel (EPDCCH) in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a quasi co-location (QCL) of an antenna port of the EPDCCH; and decoding the EPDCCH based on the QCL with respect to the antenna port of the EPDCCH. The user equipment can determine a QCL assumption between an antenna port of an EPDCCH demodulation reference signal and an antenna port of a different reference signal based on the type of a QCL assumption with respect to a PDSCH.

公开(公告)号：US09706543B2

公开(公告)日：2017-07-11

申请号：US15271020

申请日：2016-09-20

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04B7/0413 ,  H04L5/00 ,  H04B7/0417 ,  H04W4/06 ,  H04L12/18

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L12/18 ,  H04L12/189 ,  H04W4/025 ,  H04W4/06 ,  H04W28/18 ,  H04W72/005 ,  H04W72/046 ,  H04W72/12

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment receiving a physical downlink shared channel (PDSCH) signal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining from the downlink subframe a resource element (RE) on which the PDSCH is mapped; and receiving the PDSCH signal based on the RE on which the PDSCH is mapped, wherein when the DCI is comprised according to DCI format 1A and the downlink subframe is a multicast broadcast single frequency network (MBSFN) subframe, the RE on which the PDSCH is mapped can be determined depending on cell-specific reference signal (CRS) location information, which is included in a PDSCH resource element mapping and Quasi co-location indicator (PQI) parameter set that is established by an upper layer.

公开(公告)号：US09699668B2

公开(公告)日：2017-07-04

申请号：US13868668

申请日：2013-04-23

Applicant: LG ELECTRONICS INC. ,  SOGANG UNIVERSITY RESEARCH FOUNDATION

Inventor： Jonghyun Park ,  Sukho Shin ,  Jaewon Kim ,  Donghyun Lee ,  Kijun Kim ,  Wonjin Sung

IPC: H04L1/00 ,  H04L12/26 ,  H04W24/02 ,  H04B7/06 ,  H04L5/00 ,  H04W16/28 ,  H04W72/04 ,  H04L5/14

CPC classification number: H04W24/02 ,  H04B7/0665 ,  H04B7/0695 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/1469 ,  H04W16/28 ,  H04W72/042

Abstract: A method in which a User Equipment (UE) measures a downlink signal in a wireless communication system is disclosed. The method includes receiving information about a Beam Direction Pattern (BDP) of the downlink signal and measuring the downlink signal based on the information about the BDP. The information about the BDP includes an index of a subframe in which the downlink signal is to be transmitted using a specific BDP and includes an identifier (ID) of the specific BDP. The BDP of the downlink signal is switched according to the subframe index based on the information about the BDP.

公开(公告)号：US09686110B2

公开(公告)日：2017-06-20

申请号：US14376598

申请日：2013-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Byounghoon Kim ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L5/0051

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for transmitting an uplink signal. The method for transmitting an uplink signal from a terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving configuration information about candidates in a parameter set for a reference signal for physical uplink shared channel (PUSCH) modulation; receiving information indicating a specific set among the candidates in the parameter set; and generating a sequence of the reference signal using the specific set and transmitting the generated reference signal to a base station, wherein the information indicating the specific set may have a maximum value of the minimum distance between a circular shift index of the reference signal generated by a terminal using the specific set and a circular shift index of a reference signal generated by another terminal using the specific set.

公开(公告)号：US09660780B2

公开(公告)日：2017-05-23

申请号：US15203281

申请日：2016-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/06 ,  H04W76/04 ,  H04W88/08

CPC classification number: H04W24/10 ,  H04B7/024 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/0658 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0082 ,  H04L5/0091 ,  H04L5/0094 ,  H04W76/27 ,  H04W88/08

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 CSI-RS (Channel State Information-Resource Signal) configuration information associated with the reference CSI configuration and a second CSI-RS configuration information associated with the following CSI configuration, number of CSI-RS antenna ports according to the second CSI-RS configuration information is same as number of CSI-RS antenna ports according to the first CSI-RS configuration information; and transmitting CSI determined based on at least one of the first CSI-RS configuration information and the second CSI-RS configuration information.

公开(公告)号：US20170126381A1

公开(公告)日：2017-05-04

申请号：US15352259

申请日：2016-11-15

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hanbyul Seo

IPC: H04L5/00 ,  H04W24/10

CPC classification number: H04L5/0048 ,  H04B7/0417 ,  H04B7/0491 ,  H04B7/0632 ,  H04L5/0035 ,  H04W24/10 ,  H04W88/08

Abstract: Disclosed is a method for transmitting and receiving a signal, by a terminal, in a wireless communication system. More particularly, the method comprises the steps of: receiving information about a plurality of reference signal resources from a base station; receiving information about one channel state information (CSI) process from the base station; and reporting CSI on the basis of the information about the one CSI process, wherein the information about the one CSI process comprises information indicative of at least one of the plurality of reference signal resources.

公开(公告)号：US09621319B2

公开(公告)日：2017-04-11

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: H04B7/06 ,  H04L5/00 ,  H04B7/024 ,  H04L1/00 ,  H04W24/10

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.

公开(公告)号：US20170086195A1

公开(公告)日：2017-03-23

申请号：US15268078

申请日：2016-09-16

Applicant: LG Electronics Inc.

Inventor： Kunil Yum ,  Jonghyun Park

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

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0695 ,  H04L5/0057

Abstract: A method of reporting a downlink channel state, which is performed by a terminal in a wireless communication system, includes receiving a CSI process configuration including a plurality of channel state information-reference signal (CSI-RS) resources to which a different vertical precoding is applied from each other, measuring a CSI-RS on the plurality of the CSI-RS resources under an assumption that all of the plurality of the CSI-RS resources have the predetermined number of antenna ports, and reporting a beam index (BI) indicating a CSI-RS resource having a highest channel quality indicator (CQI) among the plurality of the CSI-RS resources corresponding to the measured CSI-RS resources to a base station.

公开(公告)号：US09602183B2

公开(公告)日：2017-03-21

申请号：US14385095

申请日：2013-03-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04W24/10 ,  H04B7/06 ,  H04L1/00 ,  H04B7/02

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0619 ,  H04L1/0026 ,  H04L1/0077 ,  H04L2001/0092 ,  H04W24/10

Abstract: One embodiment of the present invention is a method for reporting channel state information by means of a terminal in a wireless communication system, the method comprising: a step of measuring a channel using at least one channel state information-reference signal (CSI-RS) indicated by at least one feedback type index from among a plurality of feedback type indices; and a step of generating channel state information based on the channel measurement and reporting the channel state information. Each of the plurality of feedback type indices indicates one or more CSI-RS configurations to be used in channel estimation and an effective channel relating to said one or more CSI-RS configurations.

公开(公告)号：US20170041113A1

公开(公告)日：2017-02-09

申请号：US15303894

申请日：2015-07-03

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0482 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0634 ,  H04B7/0639 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057

Abstract: A method for reporting a channel state on a downlink channel transmitted through M antenna ports that are 2-dimensionally arranged according to an embodiment of the present invention may be performed by a terminal and include a step of receiving a channel state information-reference signal (CSI-RS) setting for N virtual antenna ports that are formed by applying beam-forming to a group of vertical antennas of the 2-dimensionally arranged M antenna ports, and a step of calculating channel state information on the downlink channel by using the received CSI-RS setting to report the channel state information to a serving cell, wherein the reported channel state information may include information on a rotational transformation related to a first code word of a codebook related to a combination of Q unit vectors that are orthogonal in an N dimension space.

Abstract translation: 根据本发明实施例的通过M二维排列的M个天线端口发送的下行链路信道上的信道状态报告方法可以由终端执行，并且包括：接收信道状态信息参考信号 CSI-RS）通过对二维布置的M个天线端口的一组垂直天线施加波束形成而形成的N个虚拟天线端口的设置，以及通过使用所接收到的信号来计算下行链路信道上的信道状态信息的步骤 CSI-RS设置，用于将信道状态信息报告给服务小区，其中所报告的信道状态信息可以包括关于与在单个向量中正交的Q个单位向量的组合相关的码本的第一码字的旋转变换的信息 N维空间。