公开(公告)号：US09401792B2

公开(公告)日：2016-07-26

申请号：US14349605

申请日：2013-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Inkwon Seo ,  Hanbyul Seo ,  Seungmin Lee

IPC: H04L5/00 ,  H04W48/16

CPC classification number: H04W72/042 ,  H04L1/1893 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0053 ,  H04W48/12 ,  H04W48/16 ,  H04W72/044

Abstract: A method and apparatus for receiving and transmitting downlink control information in a wireless communication system are disclosed. The method for receiving a downlink control signal by a user equipment (UE) in a wireless communication system includes: receiving an Enhanced Physical Downlink Control Channel (EPDCCH) from a downlink serving base station (BS); and monitoring a plurality of EPDCCH candidates in an EPDCCH set contained in the received EPDCCH, wherein a minimum aggregation level (AL) of the EPDCCH candidates is associated with a downlink (DL) bandwidth of the wireless communication system and downlink control information (DCI) format.

Abstract translation: 公开了一种用于在无线通信系统中接收和发送下行链路控制信息的方法和装置。 在无线通信系统中由用户设备（UE）接收下行链路控制信号的方法包括：从下行链路服务基站（BS）接收增强物理下行链路控制信道（EPDCCH）; 以及监视包含在所接收的EPDCCH中的EPDCCH集合中的多个EPDCCH候选，其中所述EPDCCH候选的最小聚合级别（AL）与所述无线通信系统的下行链路（DL）带宽和下行链路控制信息（DCI）相关联， 格式。

公开(公告)号：US09380571B2

公开(公告)日：2016-06-28

申请号：US14419624

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Inkwon Seo ,  Hanbyul Seo ,  Kijun Kim ,  Suckchel Yang

IPC: H04W72/04 ,  H04B7/04 ,  H04L5/00 ,  H04W24/00 ,  H04W28/18 ,  H04W76/00 ,  H04W72/00

CPC classification number: H04W72/042 ,  H04B7/0473 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04W24/00 ,  H04W28/18 ,  H04W72/00 ,  H04W76/00

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 from a downlink subframe a reference element (RE) on which the EPDCCH is mapped; and decoding the EPDCCH based on the RE on which the EPDCCH is mapped. At least one EPDCCH-physical resource block (PRB)-set for monitoring the EPDCCH can be established for the user equipment, wherein a parameter set for each of the at least one EPDCCH-PRB-set is indicated by an upper layer, and the RE on which the EPDCCH is mapped can be determined based on the parameter set indicated by the upper layer.

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，本发明涉及一种通过考虑天线端口关系来发送或接收下行链路信号的方法和装置。 根据本发明的一个实施例，一种用于对无线通信系统中的增强物理下行链路控制信道（EPDCCH）进行解码的方法包括以下步骤：从下行链路子帧确定参考元素（RE） 被映射; 并根据EPDCCH映射的RE对EPDCCH进行解码。 可以为用户设备建立用于监视EPDCCH的至少一个EPDCCH物理资源块（PRB） - 集合，其中，用于由至少一个EPDCCH-PRB组中的每一个指定的参数被上层指示，并且 EPDCCH映射的RE可以基于上层指示的参数集来确定。

公开(公告)号：US09345017B2

公开(公告)日：2016-05-17

申请号：US14420592

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Inkwon Seo ,  Hanbyul Seo ,  Kijun Kim ,  Suckchel Yang

IPC: H04W4/00 ,  H04W72/04 ,  H04W72/12 ,  H04L5/00 ,  H04L12/18

CPC classification number: H04W72/042 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0091 ,  H04L12/1881 ,  H04W4/06 ,  H04W72/0446 ,  H04W72/12 ,  H04W76/10 ,  H04W76/11

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 a start symbol index of the PDSCH from a downlink subframe; and receiving the PDSCH signal based on the start symbol index, wherein the PDSCH can be scheduled by means of downlink control information (DCI) which is received through a physical downlink control channel (PDCCH) or an enhanced PDCCH (EPDCCH). When the DCI is comprised according to DCI format 1A, which is transmitted through the EPDDCH, and the downlink subframe is a non-multicast broadcast single frequency network (MBSFN) subframe, the start symbol index can be determined depending on an EPDCCH start symbol value which is established by an upper layer.

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，本发明涉及一种通过考虑天线端口关系来发送或接收下行链路信号的方法和装置。 根据本发明的一个实施例，一种在无线通信系统中接收物理下行链路共享信道（PDSCH）信号的用户设备的方法包括以下步骤：从下行链路子帧确定PDSCH的起始符号索引; 以及基于开始符号索引接收PDSCH信号，其中可以通过通过物理下行链路控制信道（PDCCH）或增强型PDCCH（EPDCCH）接收的下行链路控制信息（DCI）来调度PDSCH。 当DCI根据通过EPDDCH发送的DCI格式1A并且下行链路子帧是非多播广播单频网络（MBSFN）子帧时，可以根据EPDCCH起始符号值来确定起始符号索引 由上层建立。

公开(公告)号：US20160029333A1

公开(公告)日：2016-01-28

申请号：US14774323

申请日：2014-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Seungmin Lee ,  Inkwon Seo

IPC: H04W56/00 ,  H04W76/02 ,  H04W72/04

CPC classification number: H04W56/0015 ,  H04J11/00 ,  H04L27/2655 ,  H04W56/002 ,  H04W56/0025 ,  H04W72/0446 ,  H04W76/14 ,  H04W88/02

Abstract: Disclosed is a method by which first user equipment receives synchronization information for a Device-to-Device (D2D) link at a user equipment (UE) in a wireless communication system. Specifically, the method comprises: receiving configuration information for synchronization from serving cell; and acquiring information on reference cell for synchronization of the D2D link based on the configuration information; and acquiring a synchronization resource based on the information on reference cell, wherein the information on reference cell comprises an identifier of the reference cell.

Abstract translation: 公开了第一用户设备在无线通信系统中的用户设备（UE）处接收用于设备到设备（D2D）链路的同步信息的方法。 具体地说，该方法包括：从服务小区接收用于同步的配置信息; 并且基于所述配置信息获取关于所述D2D链路的同步的参考小区的信息; 并且基于关于参考小区的信息获取同步资源，其中关于参考小区的信息包括参考小区的标识符。

公开(公告)号：US09246538B2

公开(公告)日：2016-01-26

申请号：US14357103

申请日：2012-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo ,  Hakseong Kim

IPC: H04B1/707 ,  H04L5/00

CPC classification number: H04B1/707 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053

Abstract: One embodiment of the present invention relates to a method for allowing a terminal to decode a signal in a wireless communication system, and the method for decoding the signal comprises the steps of determining a spreading factor for a physical resource block pair included in a subframe; and decoding a decoding reference signal on said physical resource block pair by using an orthogonal sequence corresponding to said spreading factor.

Abstract translation: 本发明的一个实施例涉及允许终端对无线通信系统中的信号进行解码的方法，并且用于对信号进行解码的方法包括以下步骤：确定包括在子帧中的物理资源块对的扩频因子; 以及通过使用与所述扩展因子对应的正交序列来对所述物理资源块对上的解码参考信号进行解码。

公开(公告)号：US20150289236A1

公开(公告)日：2015-10-08

申请号：US14434636

申请日：2013-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04 ,  H04J13/16

CPC classification number: H04W72/042 ,  H04J11/0023 ,  H04J13/16 ,  H04L1/0046 ,  H04L5/0026 ,  H04L5/0053 ,  H04L5/0092 ,  H04W48/12

Abstract: According to one embodiment of the present invention, a method for receiving control information in a wireless communication system, in which a terminal receives the control information through an enhanced physical downlink control channel (EPDCCH), is provided. The method for receiving control information includes the steps of: receiving a subframe which includes one or more EPDCCH physical resource block (PRB) sets; and attempting to decode one or more EPDCCH candidates in each of the EPDCCH PRB sets. When the transmission areas of the EPDCCH PRB set and a first signal overlap with each other, information relating to the EPDCCH candidate or information relating to the decoding is determined to be different according to one or both of EPDCCH PRB set type and/or cell identity (ID).

Abstract translation: 根据本发明的一个实施例，提供一种用于在终端通过增强物理下行链路控制信道（EPDCCH）接收控制信息的无线通信系统中接收控制信息的方法。 接收控制信息的方法包括以下步骤：接收包括一个或多个EPDCCH物理资源块（PRB）集合的子帧; 并尝试对每个EPDCCH PRB组中的一个或多个EPDCCH候选进行解码。 当EPDCCH PRB设置的传输区域和第一信号彼此重叠时，根据EPDCCH PRB设置类型和/或小区标识中的一个或两个，确定与EPDCCH候选有关的信息或与解码有关的信息不同 （ID）。

公开(公告)号：US20150215908A1

公开(公告)日：2015-07-30

申请号：US14422315

申请日：2013-09-02

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Jonghyun Park ,  Hanbyul Seo ,  Kijun Kim

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0053 ,  H04L25/03 ,  H04L27/2613 ,  H04W76/27

Abstract: An embodiment of the present invention relates to a method of receiving a downlink signal through an enhanced physical downlink control channel (EPDCCH) by a terminal in a wireless communication system and includes: receiving a demodulation reference signal from a set of EPDCCH physical resource blocks (EPDCCH PRBs); and attempting to demodulate the EPDCCH by the set of EPDCCH PRBs with reference to the demodulation reference signal, wherein when a transmission mode set for the terminal is a preset transmission mode, the terminal assumes that a cell-specific reference signal of a serving cell is QCL (Quasi Co-Located) with the demodulation reference signal.

Abstract translation: 本发明的实施例涉及一种通过无线通信系统中的终端通过增强物理下行链路控制信道（EPDCCH）接收下行链路信号的方法，包括：从一组EPDCCH物理资源块接收解调参考信号（ EPDCCH PRB）; 并且参考解调参考信号尝试通过一组EPDCCH PRB来解调EPDCCH，其中当为终端设置的传输模式是预设传输模式时，终端假定服务小区的小区特定参考信号是 QCL（准共定位）与解调参考信号。

公开(公告)号：US20150181568A1

公开(公告)日：2015-06-25

申请号：US14401895

申请日：2013-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04 ,  H04B7/06 ,  H04B7/02

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0053

Abstract: One embodiment of the present invention is a method in which a terminal receives control information through an Enhanced Physical Downlink Control Channel (EPDCCH) in a wireless communication system, the method comprising a step of trying EPDCCH decoding for each of a plurality of EPDCCH Physical Resource Block (PRB) sets. The terminal determines an EPDCCH-mapped resource element using a parameter set for each EPDCCH PRB set for each of the plurality of EPDCCH PRB sets when trying the decoding. The parameter set includes a Cell-specific Reference Signal (CRS)-related parameter, a Channel State Information-Reference Signal (CSI-RS)-related parameter, and a Physical Downlink Control Channel (PDCCH)-related parameter.

Abstract translation: 本发明的一个实施例是一种终端在无线通信系统中通过增强物理下行链路控制信道（EPDCCH）接收控制信息的方法，该方法包括为多个EPDCCH物理资源中的每一个尝试EPDCCH解码的步骤 块（PRB）集合。 当尝试解码时，终端使用为每个EPDCCH PRB组设置的每个EPDCCH PRB设置的参数集来确定EPDCCH映射的资源元素。 参数集包括与小区特定参考信号（CRS）相关的参数，信道状态信息参考信号（CSI-RS）相关参数和物理下行链路控制信道（PDCCH）相关参数。

公开(公告)号：US20150139151A1

公开(公告)日：2015-05-21

申请号：US14602946

申请日：2015-01-22

Applicant: LG Electronics Inc.

Inventor： Hanbyul Seo ,  Kijun Kim ,  Inkwon Seo

IPC: H04L5/00 ,  H04B7/02

CPC classification number: H04L5/0048 ,  H04B1/7103 ,  H04B7/024 ,  H04J11/0053 ,  H04J13/18 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0035 ,  H04L5/0051 ,  H04L5/0073 ,  H04L5/0082 ,  H04L5/0091

Abstract: The present invention relates to a wireless communication system, and discloses a method and a device for transmitting/receiving a downlink reference signal in a wireless communication system. The present invention provides a way for maintaining orthogonality of a reference signal between cells in a multi-cell operation.

Abstract translation: 本发明涉及无线通信系统，并且公开了一种在无线通信系统中发送/接收下行链路参考信号的方法和装置。 本发明提供了一种用于在多小区操作中保持小区之间的参考信号的正交性的方法。

公开(公告)号：US20150139093A1

公开(公告)日：2015-05-21

申请号：US14384139

申请日：2013-04-01

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04

CPC classification number: H04L5/0053 ,  H04L5/0023 ,  H04L5/0051

Abstract: The present invention according to one embodiment relates to a method for enabling a terminal to receive control information in a wireless communication system, and the method for receiving the control information comprises the step of attempting to decode a set of enhanced physical downlink control channel (EPDCCH) candidates according to each set level, wherein a minimum value among the values available as the set levels is set according to the amount of available resources for an EPDCCH within a physical resource block (PRB) pair that is attempting to decode.

Abstract translation: 根据一个实施例的本发明涉及一种使终端能够在无线通信系统中接收控制信息的方法，并且用于接收控制信息的方法包括以下步骤：尝试解码一组增强物理下行链路控制信道（EPDCCH ）候选，其中根据试图解码的物理资源块（PRB）对内的EPDCCH的可用资源量来设置可用作设置级别的值中的最小值。