公开(公告)号：US09264195B2

公开(公告)日：2016-02-16

申请号：US14420253

申请日：2013-09-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04B7/26 ,  H04J11/00 ,  H04B1/16 ,  H04B7/04

CPC classification number: H04W72/042 ,  H04B1/16 ,  H04B7/0413 ,  H04B7/26 ,  H04B7/2656 ,  H04J11/00 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0094 ,  H04L12/189 ,  H04L27/2656 ,  H04W4/06 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system, and more particularly, to a downlink signal transmission and reception method and device taking into account antenna port relationship. A method for the reception of a physical downlink shared channel (PDSCH) signal by a terminal in a wireless communication system, according to one embodiment of the present invention, can comprise: a step for determining a start symbol index for the PDSCH in a downlink subframe; and a step for receiving the PDSCH signal on the basis of the start symbol index. The PDSCH start symbol index (k) when the downlink subframe belongs to a specific subframe set is determined according to k=min(KThreshold, K), KThreshold being a prescribed threshold, K being the PDSCH start symbol index when the downlink subframe does not belong to the specific subframe set, and min(KThreshold, K) being the minimum value among KThreshold and K.

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，涉及考虑到天线端口关系的下行链路信号发送接收方法及装置。 根据本发明的一个实施例，一种用于在无线通信系统中由终端接收物理下行链路共享信道（PDSCH）信号的方法可以包括：确定下行链路中的PDSCH的起始符号索引的步骤 子帧 以及基于起始符号索引接收PDSCH信号的步骤。 根据k = min（KThreshold，K），KThreshold为规定的阈值，确定下行子帧属于特定子帧集合时的PDSCH起始符号索引（k），K为下行子帧不是的PDSCH起始符号索引 属于特定子帧集，min（KThreshold，K）为KThreshold和K中的最小值。

公开(公告)号：US20150304082A1

公开(公告)日：2015-10-22

申请号：US14441982

申请日：2014-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Byounghoon Kim ,  Kijun Kim ,  Eunsun Kim ,  Hanbyul Seo ,  Yunjung Yi

IPC: H04L5/00 ,  H04W72/08

CPC classification number: H04L5/0048 ,  H04L5/0023 ,  H04W72/085

Abstract: Disclosed is a method by which a terminal transmits and receives a signal in a multi cell-based wireless communication system. Particularly, the method comprises the steps of: transmitting, to a serving cell, capability information in which the number of supportable channel status information (CSI) processes is set to zero; receiving, from the serving cell, information on a neighboring cell through an upper layer signal as a response to the capability information; receiving a cell-specific reference signal from the neighboring cell; reporting, to the serving cell, the CSI estimated on the basis of the cell-specific reference signal; and receiving, from the neighboring cell, a user equipment specific reference signal and a data channel on the basis of the CSI.

Abstract translation: 公开了一种终端在基于多小区的无线通信系统中发送和接收信号的方法。 特别地，该方法包括以下步骤：向服务小区发送可支持信道状态信息（CSI）处理的数量被设置为零的能力信息; 作为对能力信息的响应，通过上层信号从服务小区接收关于相邻小区的信息; 从所述相邻小区接收小区特定参考信号; 向服务小区报告基于小区特定参考信号估计的CSI; 并且基于CSI从相邻小区接收用户设备专用参考信号和数据信道。

公开(公告)号：US09167451B2

公开(公告)日：2015-10-20

申请号：US14146529

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Jonghyun Park ,  Jaewon Lim

IPC: H04W24/02 ,  H04L5/00

CPC classification number: H04W24/02 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0073

Abstract: A method and apparatus for measuring inter-cell measurement in a wireless communication system are discussed. The method includes: receiving information regarding a predetermined resource region to which a sounding signal allocated for user equipments (UEs) connected to base stations (BSs) contained in the same coordinated cluster is transmitted, the sounding signal being used to detect a UE causing inter-cell interference; determining whether transmission of the sounding signal is granted for a serving UE in the predetermined resource region; and if transmission of the sounding signal is granted, transmitting a transmission grant message of the sounding signal to the serving UE, wherein whether the sounding signal transmission is granted is determined based on a random number, or is determined based on information of an available resource region of each BS if information regarding the available resource region of each BS is received with the information regarding the predetermined resource region.

Abstract translation: 讨论了一种在无线通信系统中测量小区间测量的方法和装置。 该方法包括：接收关于分配给与包含在同一协调集群中的基站连接的用户设备（UE）的探测信号的预定资源区域的信息，所述探测信号用于检测UE产生交互 - 干扰; 确定是否向所述预定资源区域中的服务UE授予所述探测信号的传输; 并且如果发送了所述探测信号，则向所述服务UE发送所述探测信号的发送许可消息，其中，所述探测信号发送是否被授权是基于随机数来确定的，或者基于可用资源的信息来确定 如果关于每个BS的可用资源区域的信息被接收到关于预定资源区域的信息，则每个BS的区域。

公开(公告)号：US20150288432A1

公开(公告)日：2015-10-08

申请号：US14441737

申请日：2013-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Eunsun Kim ,  Hanjun Park ,  Byounghoon Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04B7/04 ,  H04B7/06 ,  H04B7/02

CPC classification number: H04B7/0417 ,  H04B7/024 ,  H04B7/0413 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/068 ,  H04B7/0691 ,  H04J11/005 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/10

Abstract: The present invention relates to a wireless communication system. A method by which a user equipment reports a channel state information (CSI) in a wireless communication system, according to one embodiment of the present invention, can comprise the steps of: setting up a first CSI process in which a subframe pattern for a first subframe set, which uses an almost blank subframe (ABS), and a second subframe set, which does not use the ABS, is set; setting up a second CSI process in which the subframe pattern is not set; setting a second rank indicator (RI) of the second CSI process to be the same as a first RI corresponding to the second subframe set when the second CSI process is established so as to have the same RI as the first CSI process; and transmitting the CSI on the basis of the first CSI process and/or the second CSI process.

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，用户设备在无线通信系统中报告信道状态信息（CSI）的方法可以包括以下步骤：建立第一CSI过程，其中第一CSI帧的子帧模式 设置使用几乎空白的子帧（ABS）的子帧组和不使用ABS的第二子帧组; 建立子帧模式未设置的第二CSI进程; 当所述第二CSI处理被建立以使得具有与所述第一CSI进程相同的RI时，将所述第二CSI进程的第二等级指示符（RI）设置为与对应于所述第二子帧集合的第一RI相同; 以及基于所述第一CSI进程和/或所述第二CSI进程发送所述CSI。

公开(公告)号：US20150282126A1

公开(公告)日：2015-10-01

申请号：US14426933

申请日：2013-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Dongyoun Seo ,  Yunjung Yi ,  Hanbyul Seo ,  Kijun Kim ,  Byounghoon Kim

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0044 ,  H04L5/0048 ,  H04L5/0091 ,  H04W72/0446

Abstract: Disclosed is a method for a terminal for receiving a downlink signal from a plurality of cells according to the semi-persistent scheduling (SPS) method in a wireless communication system. Specifically, the method comprises the steps of: receiving, in a first subframe, a first or second type scheduling information indicating an activation, according to the SPS method, from a serving cell from among the plurality of cells; and, in the first subframe and a second subframe configured via a higher layer after the first subframe, receiving the downlink signal from one cell from among the plurality of cells in accordance with resource allocation information comprised in the first or the second type scheduling information, wherein the first type scheduling information comprises quasi co-location (QCL) information for the serving cell and the one cell, and the QCL information applied in the first and second subframes is updated in accordance with the type of the scheduling information.

Abstract translation: 公开了一种用于在无线通信系统中根据半持久调度（SPS）方法从多个小区接收下行链路信号的终端的方法。 具体地说，该方法包括以下步骤：在第一子帧中，根据SPS方法从多个小区中的服务小区接收指示激活的第一或第二类型调度信息; 并且在所述第一子帧中，经由所述第一子帧之后的较高层配置的第二子帧，根据所述第一或第二类型调度信息中包含的资源分配信息，从所述多个小区中的一个小区接收所述下行链路信号， 其中所述第一类型调度信息包括所述服务小区和所述一个小区的准协同定位（QCL）信息，并且根据所述调度信息的类型来更新应用在所述第一和第二子帧中的所述QCL信息。

公开(公告)号：US20150249973A1

公开(公告)日：2015-09-03

申请号：US14430087

申请日：2013-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Hanbyul Seo ,  Kijun Kim ,  Hyungtae Kim ,  Eunsun Kim ,  Hanjun Park

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04B7/024 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0053

Abstract: A method by which a user equipment receives a downlink control signal in a wireless communication system supporting carrier aggregation (CA) and coordinated multiple-point transmission and reception (CoMP), according to one embodiment of the present invention, comprises the steps of: receiving candidate sets of control information for the CA and the CoMP from a downlink serving base stations; and receiving an indicator for indicating one of the candidate sets from the downlink serving base station, wherein the candidate sets of the control information comprise a usable set of control information with respect to each carrier wave, and the control information can include information on carrier waves scheduled by the downlink serving base station, information on channel state information-reference signal antenna port(s) that is (are) quasi co-located (QCL) assumable with demodulation-reference signal antenna port(s) of the downlink serving base station, information on PDCH resource element (RE) mapping and/or information indicating whether or not QCL assumption between the channel state information-reference signal antenna port(s) and antenna port(s) indicated by the information on PDSCH RE mapping is possible.

Abstract translation: 根据本发明的一个实施例，用户设备在支持载波聚合（CA）和协调多点发送和接收（CoMP）的无线通信系统中接收下行链路控制信号的方法包括以下步骤：接收 来自下行链路服务基站的用于CA和CoMP的候选组控制信息; 以及从所述下行链路服务基站接收用于指示候选集合中的一个的指示符，其中，所述控制信息的候选集合包括关于每个载波的可用的一组控制信息，并且所述控制信息可以包括关于载波的信息 由下行链路服务基站调度的信息，与下行链路服务基站的解调参考信号天线端口假定为准同位（QCL）的信道状态信息参考信号天线端口的信息 关于PDCH资源元素（RE）映射的信息和/或指示由PDSCH RE映射的信息指示的信道状态信息参考信号天线端口与天线端口之间的QCL假设是否可能的信息。

公开(公告)号：US20150244508A1

公开(公告)日：2015-08-27

申请号：US14424893

申请日：2013-09-11

Applicant: LG ELECTRONICS INC.

Inventor： Kijun Kim ,  Jonghyun Park

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0048 ,  H04B7/068 ,  H04B7/0684 ,  H04L5/0023 ,  H04L5/0057 ,  H04L5/0082 ,  H04L27/2601

Abstract: A method of transmitting channel state information (CSI)-reference signals (RS) at a base station in a wireless communication system includes generating a reference signal sequence, and mapping the reference signal sequence to resource elements (REs) included in one or more patterns for 8-port CSI-RS transmission among five patterns for 8-port CSI-RS transmission located in a first region of a PRB pair and three patterns for 8-port CSI-RS transmission located in a second region of the PRB pair. A maximum of two OFDM (orthogonal frequency division multiplexing) symbols is used for a physical downlink control channel in a subframe including the PRB pair.

Abstract translation: 在无线通信系统中的基站处发送信道状态信息（CSI）参考信号（RS）的方法包括生成参考信号序列，并将参考信号序列映射到包括在一个或多个模式中的资源元素（RE） 对于位于PRB对的第一区域的8端口CSI-RS传输和位于PRB对的第二区域中的8端口CSI-RS传输的三种模式的五个模式之中的8端口CSI-RS传输。 在包括PRB对的子帧中，物理下行链路控制信道最多使用两个OFDM（正交频分复用）符号。

公开(公告)号：US20150236773A1

公开(公告)日：2015-08-20

申请号：US14424880

申请日：2013-09-03

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/06 ,  H04W24/10 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0645 ,  H04B7/065 ,  H04W24/10 ,  H04W72/042

Abstract: The present invention relates to a method for feeding back channel state information with respect to downlink transmission of a terminal in a wireless communication system supporting multiple antennas. Particularly, the method comprises the steps of measuring a channel with respect to downlink transmission; and transmitting a precoding matrix indicator (PMI) to which a precoding matrix for multiple antennas is applied, on the basis of the channel measuring result, wherein the multiple antennas are defined as a group of N antenna (N>0, N is an integer), and the precoding matrix for multiple antennas is determined by a precoding matrix for the group of N antennas and a phase coefficient matrix with respect to the precoding matrix for the group of N antennas.

Abstract translation: 本发明涉及一种在支持多个天线的无线通信系统中对终端的下行链路传输反馈信道状态信息的方法。 特别地，该方法包括以下步骤：相对于下行链路传输测量信道; 并且根据所述信道测量结果发送应用了多个天线的预编码矩阵的预编码矩阵指示符（PMI），其中，所述多个天线被定义为N个天线的组（N> 0，N是整数 ），并且用于多个天线的预编码矩阵由N组天线的预编码矩阵和相对于N组天线的预编码矩阵的相位系数矩阵确定。

公开(公告)号：US20150223086A1

公开(公告)日：2015-08-06

申请号：US14426077

申请日：2013-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim

IPC: H04W24/08 ,  H04W72/08 ,  H04L5/00

CPC classification number: H04W24/08 ,  H04B17/309 ,  H04B17/345 ,  H04L5/0012 ,  H04L5/0048 ,  H04L5/0073 ,  H04W72/082

Abstract: The present invention relates to a wireless communication system. A method by which a terminal measures the interference of a neighboring base station in a wireless communication system, according to one embodiment of the present invention, can comprise the steps of: determining a first resource group and a second resource group, which respectively include resource elements of X number of zero-power channel state information reference signals (CSI-RS) for measuring interference; respectively selecting T (Y≦X) number of resource elements in the first resource group and the second resource group; and measuring the interference of a neighboring base station on the basis of the locations of the selected 2Y number of resource elements.

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，终端测量无线通信系统中相邻基站的干扰的方法可以包括以下步骤：确定分别包括资源的第一资源组和第二资源组 用于测量干扰的X个零功率信道状态信息参考信号（CSI-RS）的元素; 分别选择第一资源组和第二资源组中的资源元素的T（Y＆nlE; X）个数; 并且基于所选择的2Y个资源元素的位置来测量相邻基站的干扰。

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。