公开(公告)号：US09814076B2

公开(公告)日：2017-11-07

申请号：US14760453

申请日：2013-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kitae Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04W74/08 ,  H04W74/00 ,  H04L5/00 ,  H04W56/00 ,  H04W72/04 ,  H04W28/18

CPC classification number: H04W74/0833 ,  H04L5/0053 ,  H04L5/0091 ,  H04W28/18 ,  H04W56/001 ,  H04W56/0045 ,  H04W72/042 ,  H04W74/002 ,  H04W74/008 ,  H04W74/0866 ,  H04W74/0891

Abstract: The present invention provides a method for performing an initial access process used in a wireless access system and in an ultrahigh frequency band, and devices supporting same. The method for performing a high-speed initial access process in a wireless access system supporting an ultrahigh frequency band, according to one embodiment of the present invention, may comprise the steps of: receiving a synchronizing signal; receiving a broadcast channel signal; generating a random access preamble by using pre-fixed physical random access parameters according to a small cell supported in the ultrahigh frequency band; and transmitting the generated random access preamble on the basis of the synchronizing signal and the broadcast channel signal.

公开(公告)号：US09743401B2

公开(公告)日：2017-08-22

申请号：US14437462

申请日：2013-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jinmin Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W72/0446 ,  H04L5/0007 ,  H04L27/2602 ,  H04L27/2657 ,  H04L27/2688

Abstract: Flexible employment of frame configuration in light of the Doppler frequency change is proposed. According to the present invention, frame configuration for a predetermined frequency band may be changed. Changing frame configuration in the present invention may include changing the number (≧0) of zero-power subcarriers which alternate with nonzero-power subcarriers.

公开(公告)号：US09680682B2

公开(公告)日：2017-06-13

申请号：US14906960

申请日：2014-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Kilbom Lee ,  Jaehoon Chung ,  Jinmin Kim

IPC: H04L27/26 ,  H04L7/08

CPC classification number: H04L27/2655 ,  H04L7/08 ,  H04L27/2663 ,  H04L27/2671 ,  H04L27/2675 ,  H04L27/2684 ,  H04L27/2688 ,  H04L27/2695

Abstract: The present invention provides a method for detecting an uplink synchronization signal in a wireless access system supporting a high frequency band, a method for designing a detection filter for the same, and devices for supporting the methods. A method by which a base station detects a random access channel (RACH) signal in a wireless access system supporting a high frequency band, according to one embodiment of the present invention, comprises the steps of: allocating a cyclic shift value used in the base station; configuring a reception signal vector for signals transmitted through the RACH; deriving a cyclic shift candidate greater than or equal to a reference value from the reception signal vector by using a first detection filter; and detecting the RACH signal from the cyclic shift candidate by using a second detection filter, wherein the first detection filter and the second detection filter can be set on the basis of the cyclic shift value.

公开(公告)号：US09673951B2

公开(公告)日：2017-06-06

申请号：US14655319

申请日：2013-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Kitae Kim ,  Jinmin Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04L5/00

CPC classification number: H04L5/005 ,  H04L5/0007 ,  H04L5/0057

Abstract: The present invention relates to a method of transmitting and receiving channel quality indicator (CQI) information that relates to a channel aging effect in an environment where a time-varying channel characteristic is maximized, and a device supporting same. According to an embodiment of the present invention, a method of reporting multi-channel quality indicator (CQI) information by a terminal in a wireless access system that supports an environment where a time-varying channel characteristic is maximized may include receiving a first reference signal, obtaining information on a first CQI by using the first reference signal, receiving a second reference signal, obtaining information on a second CQI by using the second reference signal, reporting the information on the first CQI, and reporting the information on the second CQI.

公开(公告)号：US09660766B2

公开(公告)日：2017-05-23

申请号：US14905247

申请日：2014-07-18

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kwangseok Noh ,  Kukheon Choi ,  Jaehoon Chung ,  Kitae Kim

IPC: H04B7/06 ,  H04L1/06 ,  H04L27/34 ,  H04W24/02

CPC classification number: H04L1/0618 ,  H04B7/0669 ,  H04B7/0697 ,  H04L27/3488 ,  H04W24/02

Abstract: The present invention provides hierarchical modulation methods for robust symbol transmission and reception in a wireless access system, and devices supporting same. A method for transmitting a hierarchically modulated (HM) symbol in a wireless access system, according to an embodiment of the present invention, comprises the steps of: generating a first symbol; generating a second symbol; generating an HM symbol by combining the first symbol and the second symbol; and transmitting the HM symbol, wherein the first symbol can be generated by means of a spatial multiplexing (SM) technique, a beam-forming technique, or a space-time coding technique and the second symbol can be generated by means of a spatial multiplexing (SM) technique, a beam-forming technique, or a space-time coding technique.

公开(公告)号：US09537649B2

公开(公告)日：2017-01-03

申请号：US14440053

申请日：2013-11-05

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kitae Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04L7/08 ,  H04W56/00 ,  H04L5/00 ,  H04L7/04

CPC classification number: H04L7/08 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0094 ,  H04L7/044 ,  H04L27/2613 ,  H04L27/2657 ,  H04L27/2692 ,  H04W56/00 ,  H04W56/001

Abstract: The present invention relates to a method for newly defining a synchronization signal to be used in an ultrahigh frequency band and acquiring downlink synchronization by using the synchronization signal, and a device for supporting the same. A method by which an eNode B (eNB) transmits a synchronization signal for compensating for a carrier frequency offset in a wireless access system supporting an ultrahigh frequency band, according to one embodiment of the present invention, can comprise the steps of: generating a first repetitive synchronization signal having a first repetitive characteristic; generating a second repetitive synchronization signal having a second repetitive characteristic; and transmitting the first repetitive synchronization signal and the second repetitive synchronization signal in the same subframe.

Abstract translation: 本发明涉及一种新定义要在超高频带中使用的同步信号并通过使用该同步信号来获得下行链路同步的方法和一种用于支持该同步信号的装置。 根据本发明的一个实施例，eNode B（eNB）通过其发送用于补偿支持超高频带的无线接入系统中的载波频率偏移的同步信号的方法可以包括以下步骤：产生第一 具有第一重复特性的重复同步信号; 产生具有第二重复特性的第二重复同步信号; 以及在同一子帧中发送第一重复同步信号和第二重复同步信号。

公开(公告)号：US20150288425A1

公开(公告)日：2015-10-08

申请号：US14441801

申请日：2013-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinmin Kim ,  Kitae Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04B7/01 ,  H04B7/06

CPC classification number: H04B7/01 ,  H04B7/0617 ,  H04L25/0222 ,  H04L27/2646 ,  H04L27/2657 ,  H04L27/2692

Abstract: The present invention provides methods for relieving effective Doppler broadening in performing pin-point beamforming and provides apparatuses for supporting the methods, wherein the methods and the apparatuses are used in a wireless access system that supports a super high frequency band. The method for relieving Doppler broadening in a wireless access system that supports a super high frequency band according to one embodiment of the present invention may comprise the steps of: receiving a downlink signal at a receiving end; estimating a Doppler spectrum for the downlink signal received at the receiving end; and calculating a carrier wave shift value based on the Doppler spectrum estimated at the receiving end.

Abstract translation: 本发明提供了减少执行针点波束形成的有效多普勒展宽的方法，并且提供了用于支持方法的装置，其中所述方法和装置用于支持超高频带的无线接入系统。 根据本发明的一个实施例的在支持超高频带的无线接入系统中减轻多普勒拓宽的方法可以包括以下步骤：在接收端接收下行链路信号; 估计在接收端接收的下行链路信号的多普勒频谱; 以及基于在接收端估计的多普勒频谱计算载波移位值。

公开(公告)号：US20150282178A1

公开(公告)日：2015-10-01

申请号：US14437465

申请日：2013-10-22

Applicant: LG Electronics Inc.

Inventor： Kitae Kim ,  Jinmin Kim ,  Hyunsoo Ko ,  Jaehoon Chung

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0453 ,  H04B7/2656 ,  H04L5/003 ,  H04L27/2602

Abstract: Flexible employment of frame configuration in light of the Doppler frequency change is proposed. According to the present invention, frame configuration for a predetermined frequency band may be changed. Changing frame configuration in the present invention may include changing subcarrier spacing.

Abstract translation: 提出了根据多普勒频率变化灵活使用帧配置。 根据本发明，可以改变预定频带的帧配置。 在本发明中改变帧配置可以包括改变子载波间隔。

公开(公告)号：US20150146618A1

公开(公告)日：2015-05-28

申请号：US14404335

申请日：2013-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Kitae Kim ,  Jaehoon Chung

IPC: H04W24/10

CPC classification number: H04W24/10 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04L5/0053

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for reporting channel status information. A method for reporting the channel status information (CSI) from a user equipment in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving from a base station a channel status information-reference signal (CSI-RS) on the basis of CSI-RS configuration information, which is provided from the base station; and reporting to the base station the CSI that is generated by using the CSI-RS, wherein the CSI-RS configuration information can include a plurality of CSI-RS configurations with respect to a first domain antenna group having a 2-dimensional antenna structure of the base station.

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，更具体地说，涉及用于报告信道状态信息的方法和装置。 根据本发明的一个实施例，一种用于从无线通信系统中的用户设备报告信道状态信息（CSI）的方法包括以下步骤：从基站接收信道状态信息参考信号（CSI- RS）基于从基站提供的CSI-RS配置信息; 以及向基站报告通过使用CSI-RS生成的CSI，其中，所述CSI-RS配置信息可以包括关于具有2维天线结构的第一域天线组的多个CSI-RS配置 基站。

公开(公告)号：US20140334416A1

公开(公告)日：2014-11-13

申请号：US14350769

申请日：2012-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo Ko ,  Kitae Kim ,  Jaehoon Chung

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L1/0031 ,  H04L1/1896 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/0406 ,  H04W72/044

Abstract: An embodiment of the present invention relates to a method in which a terminal receives control information in a wireless communication system, said method comprising: a step of performing blind decoding in at least one portion of a resource region except the time unit indicated by a physical control format indicator channel (PCFICH) on a subframe, said at least one portion of the resource region is determined by whether a synchronizing signal or system information is transmitted or not.

Abstract translation: 本发明的一个实施例涉及一种终端在无线通信系统中接收控制信息的方法，所述方法包括：在资源区域的至少一部分内执行盲解码的步骤，该资源区域除了由物理 在子帧上的控制格式指示符信道（PCFICH），资源区域的所述至少一部分由是否发送同步信号或系统信息确定。