公开(公告)号：US09307521B2

公开(公告)日：2016-04-05

申请号：US13942186

申请日：2013-07-15

Applicant: Samsung Electronics Co., LTD

Inventor： Boon Loong Ng ,  Younsun Kim ,  Young-Han Nam ,  Hyojin Lee ,  Krishna Sayana

IPC: H04W72/00 ,  H04B7/02 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W72/005 ,  H04B7/024 ,  H04L1/0026 ,  H04L1/0061 ,  H04L1/0067 ,  H04L5/0053 ,  H04L27/2602

Abstract: Methods and apparatuses determine and indicate QCL behavior for or to a UE. A method for determining QCL behavior for the UE method includes, when configured in TM10 for a serving cell, determining whether a CRC for a PDSCH transmission scheduled by DCI format 1A is scrambled using a C-RNTI. The method also includes, in response to determining C-RNTI scrambling, determining whether a transmission scheme of the PDSCH transmission uses a non-MBSFN subframe configuration and whether the PDSCH transmission is transmitted on antenna port 0 or a TxD scheme is used. The method further includes, in response to determining the non-MBSFN subframe configuration and antenna port 0 or the TxD scheme being used, determining to use QCL behavior 1 for PDSCH reception. Additionally, the method includes, in response to determining a MBSFN subframe configuration and antenna port 7 being used, determining to use QCL behavior 2 for PDSCH reception.

Abstract translation: 方法和装置确定并指示UE的QCL行为。 用于确定UE方法的QCL行为的方法包括：当在服务小区的TM10中配置时，确定用DCI格式1A调度的PDSCH传输的CRC是否使用C-RNTI进行加扰。 该方法还响应于确定C-RNTI加扰，确定PDSCH传输的传输方案是否使用非MBSFN子帧配置，以及是否使用在天线端口0或TxD方案上发送PDSCH传输。 该方法还包括响应于确定非MBSFN子帧配置和天线端口0或正在使用的TxD方案，确定使用QCL行为1用于PDSCH接收。 此外，该方法包括响应于确定正在使用的MBSFN子帧配置和天线端口7，确定使用QCL行为2用于PDSCH接收。

公开(公告)号：US09301181B2

公开(公告)日：2016-03-29

申请号：US13848953

申请日：2013-03-22

Applicant: Samsung Electronics Co. Ltd.

Inventor： Younsun Kim ,  Hyojin Lee ,  Juho Lee ,  Kiil Kim

IPC: H04W24/10 ,  H04L5/00 ,  H04W88/08

CPC classification number: H04W24/10 ,  H04J11/0023 ,  H04L5/005 ,  H04L5/0051 ,  H04W88/085

Abstract: An interference measurement method of a terminal is provided for facilitating downlink transmission in the mobile communication system based on Distributed Antenna System (DAS) in which multiple antennas controlled by a base station are distributed within the service area of the base station. The interference measurement method includes receiving channel measurement information and interference measurement information from a base station, receiving channel state information reference signals, calculating, when the received channel state information reference signal is for channel measurement, a received signal energy based on the channel measurement information and, when the received channel state information reference signal is for interference measurement, an interference based on the interference measurement information, generating channel quality information based on the received signal energy and the interference, and transmitting the channel quality information to the base station.

Abstract translation: 提供了一种终端的干扰测量方法，用于促进基于分布式天线系统（DAS）的移动通信系统中的下行链路传输，其中由基站控制的多个天线分布在基站的服务区域内。 干扰测量方法包括从基站接收信道测量信息和干扰测量信息，接收信道状态信息参考信号，当接收信道状态信息参考信号用于信道测量时，基于信道测量信息计算接收信号能量 并且当接收到的信道状态信息参考信号用于干扰测量时，基于干扰测量信息的干扰，基于接收信号能量和干扰产生信道质量信息，并向基站发送信道质量信息。

公开(公告)号：US20160014707A1

公开(公告)日：2016-01-14

申请号：US14864102

申请日：2015-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmin Ro ,  Yongjun Kwak ,  Hyoungju Ji ,  Joonyoung Cho ,  Younsun Kim ,  Seunghoon Choi

IPC: H04W56/00

CPC classification number: H04W56/001 ,  H04W56/00 ,  H04W56/0015 ,  H04W56/002

Abstract: Disclosed is a method by a terminal in a communication system, including attempting to acquire synchronization information from a cell, attempting to acquire synchronization information from another terminal, if the synchronization information from the cell is not acquired, and acquiring synchronization information by the terminal, if the synchronization information from the another terminal is not acquired.

Abstract translation: 本发明公开了一种终端在通信系统中的方法，包括尝试从小区获取同步信息，尝试从另一终端获取同步信息，如果未获取来自小区的同步信息，并且通过终端获取同步信息， 如果未获取来自另一终端的同步信息。

公开(公告)号：US09210694B2

公开(公告)日：2015-12-08

申请号：US14309456

申请日：2014-06-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Younsun Kim ,  Kiil Kim ,  Youngbum Kim

IPC: H04W72/04 ,  H04B7/02 ,  H04W48/20 ,  H04L5/00 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04W72/08 ,  H04W28/04

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04L5/0035 ,  H04L5/0048 ,  H04W28/04 ,  H04W48/20 ,  H04W72/082 ,  H04W72/085

Abstract: A feedback method and apparatus is provided for facilitating feedback in a Cooperative Multi-Point (CoMP) system in which multiple base stations cooperate with each other for downlink transmission to a terminal. The feedback method of a terminal includes determining whether the terminal is operating in cooperative multi-point mode for receiving data from a plurality of cells; estimating, when the terminal is operating in cooperative multi-point mode, channels of the cells belonging to a measurement set based on channel status information reference signals for the cells; selecting at least one best cell based on a signal-to-interference plus noise ratio based on the estimated channels; and feeding back a cell index and channel information of the best cell.

Abstract translation: 提供了一种反馈方法和装置，用于促进多个基站彼此协作以便下行链路传输到终端的协作多点（CoMP）系统中的反馈。 终端的反馈方法包括：确定终端是否以协作多点模式操作，用于从多个小区接收数据; 当终端以协同多点模式工作时，基于小区的信道状态信息参考信号估计属于测量集合的小区的信道; 基于估计的信道，基于信号与干扰加噪声比选择至少一个最佳小区; 并反馈最佳小区的小区索引和信道信息。

公开(公告)号：US20150271830A1

公开(公告)日：2015-09-24

申请号：US14663737

申请日：2015-03-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu Shin ,  Hyojin Lee ,  Yongjun Kwak ,  Younsun Kim ,  Youngbum Kim ,  Juho Lee ,  Hyoungju Ji

IPC: H04W72/08 ,  H04L27/36 ,  H04W72/04 ,  H04L1/20

CPC classification number: H04L27/366 ,  H04L1/206 ,  H04L5/0073 ,  H04L27/0012 ,  H04L27/38

Abstract: A method for transmitting interference related control information in order to improve a reception performance of a terminal that receives a downlink in a cellular mobile communication system based on the LTE-A system includes receiving a higher layer control message including probability information of a modulation scheme for an interference signal, from a base station, and performing error-correcting coding using a probability value of a modulation scheme for an interference signal, which is included in the higher layer control message. A base station in a mobile communication system, the base station includes a controller configured to generate probability information of a modulation scheme for an interference signal, and transmit, to the terminal, a higher layer control message comprising the probability information of the modulation scheme for the interference signal.

Abstract translation: 为了提高基于LTE-A系统的在蜂窝移动通信系统中接收下行链路的终端的接收性能，发送干扰相关控制信息的方法包括：接收更高层控制消息，包括调制方案的概率信息 来自基站的干扰信号，并且使用包括在较高层控制消息中的干扰信号的调制方案的概率值来执行纠错编码。 移动通信系统中的基站，基站包括：控制器，被配置为产生干扰信号的调制方案的概率信息，向终端发送包含调制方式的概率信息的上层控制消息， 干扰信号。

公开(公告)号：US09014043B2

公开(公告)日：2015-04-21

申请号：US13899163

申请日：2013-05-21

Applicant: Samsung Electronics Co. Ltd.

Inventor： Younsun Kim ,  Youngbum Kim ,  Juho Lee ,  Hyojin Lee ,  Joonyoung Cho ,  Hyoungju Ji ,  Seunghoon Choi

IPC: H04W24/00 ,  H04W80/04 ,  H04B7/04 ,  H04W24/10 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/022 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0645 ,  H04W24/10 ,  H04W72/042 ,  H04W72/082

Abstract: An apparatus and a method of measuring a reference signal for efficient downlink transmission in a mobile communication system are provided. The system includes plural base stations, each having a plurality of antennas distributed in the service area thereof based on a Distributed Antenna System (DAS). A method for a base station to notify a terminal of reference signal measurement information in a mobile communication system comprises determining whether the terminal is in a Rank Indicator/Precoding Matrix Indicator (RI/PMI) disabled mode, selecting, when the terminal is in the RI/PMI disabled mode, the reference signal to be measured by the terminal between a Cell-specific Reference Signal (CRS) and a Channel Status Information Reference Signal (CSI-RS), notifying the terminal of the reference signal measurement information with the selection result, and receiving channel information generated based on the reference signal measurement information from the terminal.

Abstract translation: 提供了一种在移动通信系统中测量用于有效下行链路传输的参考信号的装置和方法。 该系统包括多个基站，每个基站具有基于分布式天线系统（DAS）分布在其服务区域中的多个天线。 一种用于基站在移动通信系统中通知终端参考信号测量信息的方法，包括：确定终端是否处于秩指示/预编码矩阵指示符（RI / PMI）禁用模式，当终端处于 RI / PMI禁用模式，由小区特定参考信号（CRS）和信道状态信息参考信号（CSI-RS）之间的终端要测量的参考信号，通过选择通知终端参考信号测量信息 结果以及基于来自终端的参考信号测量信息生成的信道信息。

公开(公告)号：US20140369279A1

公开(公告)日：2014-12-18

申请号：US14307381

申请日：2014-06-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungyoul Yu ,  Younsun Kim ,  Hyojin Lee

IPC: H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/10 ,  H04L5/0053

Abstract: A communication method of a user equipment in a mobile communication system. The method includes receiving a control signal from a base station, the control signal comprising at least one of: a first information element or a second information element; determining, if a field of the first information element is set to a predetermined value and a channel state information (CSI) reporting mode determined based on the second information element is a redetermined mode, a codebook based on the CSI reporting mode; generating a CSI based on the determined codebook, the CSI comprising at least one of a rank indicator (RI), a first precoding matrix indicator (PMI), or a second PMI; and reporting the generated CSI to the base station.

Abstract translation: 移动通信系统中的用户设备的通信方法。 该方法包括从基站接收控制信号，所述控制信号包括以下中的至少一个：第一信息元素或第二信息元素; 确定第一信息元素的字段是否被设置为预定值，并且基于第二信息元素确定的信道状态信息（CSI）报告模式是重新确定模式;基于CSI报告模式的码本; 基于所确定的码本生成CSI，所述CSI包括秩指示符（RI），第一预编码矩阵指示符（PMI）或第二PMI中的至少一个; 并将生成的CSI报告给基站。

公开(公告)号：US20140254702A1

公开(公告)日：2014-09-11

申请号：US14201600

申请日：2014-03-07

Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION,YONSEI UNIVERSITY ,  Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Chungyong Lee ,  Hoondong Nho ,  Younsun Kim ,  Juho Lee ,  Hyoungju Ji ,  Sangwon Park ,  Ilgyu Choi

IPC: H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0639 ,  H04B7/0658 ,  H04L25/0204 ,  H04L25/0228

Abstract: The present disclosure relates to a method and an apparatus for transmitting and receiving channel related information. A method of transmitting channel related information of a UE according to an embodiment of the present disclosure includes configuring a sub-channel corresponding to a part of a plurality of antennas of an eNB; acquiring a Channel Estimation Error (CEE) and a Precoding Matrix Indicator (PMI) corresponding to the sub-channel; and transmitting a Sub-channel Indicator (SI) indicating the sub-channel, according to the CEE and the PMI. In accordance with an embodiment of the present disclosure, the channel related information is efficiently transmitted and received in a system in which a plurality of antennas is used.

Abstract translation: 本公开涉及一种用于发送和接收信道相关信息的方法和装置。 根据本公开的实施例的发送UE的信道相关信息的方法包括配置与eNB的多个天线的一部分相对应的子信道; 获取对应于子信道的信道估计误差（CEE）和预编码矩阵指示符（PMI）; 以及根据CEE和PMI发送指示子信道的子信道指示符（SI）。 根据本公开的实施例，信道相关信息在其中使用多个天线的系统中被有效地发送和接收。

公开(公告)号：US20140219199A1

公开(公告)日：2014-08-07

申请号：US14174425

申请日：2014-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju JI ,  Seunghoon Choi ,  Younsun Kim ,  Joonyoung Cho

IPC: H04L5/00 ,  H04W88/08

CPC classification number: H04L5/0048 ,  H04W88/08

Abstract: Methods and apparatuses for generating a channel sounding reference signal in a wireless communication system are discussed. In one aspect, a method is provided for User Equipment (UE) in a wireless communication system to transmit a channel Sounding Reference Signal (SRS). The method includes receiving a control channel for uplink data channel transmission from a Base Station (BS); determining whether the control channel includes information for aperiodic channel SRS transmission; and when it is determined that the control channel includes information for aperiodic channel SRS transmission: transmitting uplink data through a first carrier; and transmitting the channel SRS through a second carrier; wherein the first carrier and the second carrier are transmitted simultaneously to the BS.

Abstract translation: 讨论了在无线通信系统中生成信道探测参考信号的方法和装置。 一方面，在无线通信系统中为用户设备（UE）提供一种发送信道探测参考信号（SRS）的方法。 该方法包括从基站（BS）接收用于上行链路数据信道传输的控制信道; 确定所述控制信道是否包括用于非周期信道SRS传输的信息; 并且当确定所述控制信道包括用于非周期信道SRS传输的信息时：通过第一载波传输上行链路数据; 以及通过第二载波发送所述信道SRS; 其中所述第一载波和所述第二载波同时传输到所述BS。

公开(公告)号：US20140146765A1

公开(公告)日：2014-05-29

申请号：US14092706

申请日：2013-11-27

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyoungju Ji ,  Younsun Kim ,  Juho Lee ,  Hyojin Lee ,  Joonyoung Cho

IPC: H04W72/08 ,  H04W72/04

CPC classification number: H04W72/082 ,  H04B7/0452 ,  H04B7/0617 ,  H04J11/004 ,  H04L5/0051 ,  H04W72/0406

Abstract: A method for canceling interference between multiple terminals scheduled on the same time/frequency resource for communication between a terminal and a base station using a plurality of antennas. The interference cancellation method includes receiving, at a terminal, control channel information from a base station, determining other base station information and other terminal information based on the received control channel information, receiving a data channel from the base station, and cancelling interference to the data channel based on the other base station information and other terminal information. The terminal is capable of mitigating interference caused by the signals transmitted to other terminals using the least information even with legacy terminal receivers having no interference cancellation capability.

Abstract translation: 一种用于消除在同一时间/频率资源上调度的多个终端之间的干扰的方法，用于使用多个天线在终端和基站之间进行通信。 干扰消除方法包括在终端接收来自基站的控制信道信息，基于接收到的控制信道信息确定其他基站信息和其他终端信息，从基站接收数据信道，以及消除对基站的干扰 基于其他基站信息和其他终端信息的数据信道。 即使对于没有干扰消除能力的传统终端接收机，终端也能够利用最少的信息来减轻由发送给其他终端的信号引起的干扰。