公开(公告)号：US20150163781A1

公开(公告)日：2015-06-11

申请号：US14625092

申请日：2015-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun KIM ,  Cheng SHAN ,  Juho LEE ,  Hyojin LEE ,  Kiil KIM ,  Joonyoung CHO ,  Hyoungju JI ,  Sangmin RO ,  Seunghoon CHOI

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/0456 ,  H04L1/00 ,  H04L1/02 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/00 ,  H04W72/0406

Abstract: A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment.

Abstract translation: 提供了一种用于在无线通信系统中由基站发送控制信息的方法。 该方法包括确定要应用于资源的预编码器和解调参考信号（DMRS）端口，用于发送控制信息的资源以及对应于该资源的DMRS端口并用于发送DMRS，对该DMRS进行预编码 资源和DMRS端口，并将控制信息和DMRS发送给用户设备。

公开(公告)号：US20150117385A1

公开(公告)日：2015-04-30

申请号：US14587510

申请日：2014-12-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Juho LEE ,  Kiil KIM ,  Younsun KIM

IPC: H04W72/08 ,  H04L5/00

CPC classification number: H04W72/085 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04W24/10 ,  H04W72/042

Abstract: A method and an apparatus for transmitting and receiving a feedback signal in a cellular mobile communication system is provided. The method of transmitting feedback in a Cooperative Multi-Point (CoMP) system, includes receiving feedback set information including allocation information of a Channel Status Information Reference Signal (CSI-RS) transmitted for estimating a channel of a User Equipment (UE), receiving IDentification (ID) information for identifying a CoMP set including CSI-RS allocation information from a cell operating in a CoMP mode, extracting the CoMP set using the ID information and a feedback set, detecting a first feedback mode and first feedback timing with a first CSI-RS not included in the CoMP set among CSI-RSs included in the feedback set, and generating and transmitting feedback with respect to the first CSI-RS according to the detected first feedback mode and the first feedback timing.

Abstract translation: 提供了一种用于在蜂窝移动通信系统中发送和接收反馈信号的方法和装置。 在协同多点（CoMP）系统中发送反馈的方法包括：接收反馈集信息，包括发送用于估计用户设备（UE）的信道的信道状态信息参考信号（CSI-RS）的分配信息，接收 用于识别来自以CoMP模式运行的单元的CSI-RS分配信息的CoMP集合的识别（ID）信息，使用ID信息提取CoMP集合和反馈集合，用第一个反馈模式和第一反馈模式检测第一反馈模式和第一反馈定时 CSI-RS不包括在包括在反馈集合中的CSI-RS之间的CoMP集合中，并且根据检测到的第一反馈模式和第一反馈定时来生成和发送关于第一CSI-RS的反馈。

公开(公告)号：US20140301323A1

公开(公告)日：2014-10-09

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 ,  H04L5/00

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：US20140274085A1

公开(公告)日：2014-09-18

申请号：US14206704

申请日：2014-03-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongjun KWAK ,  Younsun KIM ,  Hyojin LEE ,  Juho LEE

IPC: H04L5/00 ,  H04W28/02

CPC classification number: H04L5/0048 ,  H04L5/0037 ,  H04L5/0046 ,  H04L5/0073 ,  H04L5/0091 ,  H04L27/0012

Abstract: Methods and apparatus are provided for receiving a serving signal from a base station by a user equipment. A signal that includes the serving signal and an interference signal is received. A Log Likelihood Ratio (LLR) of the received signal is calculated according to each of a plurality of modulation orders applicable to the interference signal to obtain a plurality of LLR values. A modulation order of the interference signal is determined, based on the plurality of LLR values. The serving signal is reconstructed, based on the determined modulation order.

Abstract translation: 提供了用于通过用户设备从基站接收服务信号的方法和装置。 接收包括服务信号和干扰信号的信号。 根据可应用于干扰信号的多个调制阶数中的每一个计算接收信号的对数似然比（LLR），以获得多个LLR值。 基于多个LLR值来确定干扰信号的调制阶数。 基于所确定的调制顺序重构服务信号。

公开(公告)号：US20140269519A1

公开(公告)日：2014-09-18

申请号：US13795710

申请日：2013-03-12

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Cheng SHAN ,  Younsun KIM ,  Kiil KIM ,  Hyojin LEE ,  Hyoungju JI ,  Youngbum KIM ,  Sangmin RO ,  Juho LEE ,  Joonyoung CHO ,  Seunghoon CHOI

IPC: H04W72/04

CPC classification number: H04L5/0053 ,  H04L5/0007 ,  H04L5/0051

Abstract: A control channel transmission/reception method and apparatus is provided. The base station of the present invention transmits configuration information on a control channel to a terminal, checks an aggregation level for use in transmitting the control channel, maps Demodulation Reference Signal (DMRS) to resource elements in a resource block depending on the aggregation level, determines, when the resource elements of the DMRS correspond to a first resource element set, whether to map the DMRS to resource elements corresponding to a second resource element set in the resource block, and transmits the DMRS and control channel to the terminal according to the determination result.

Abstract translation: 提供了一种控制信道发送/接收方法和装置。 本发明的基站向终端发送关于控制信道的配置信息，检查用于发送控制信道的聚合级别，根据聚合级别将解调参考信号（DMRS）映射到资源块中的资源元素， 确定当DMRS的资源元素对应于第一资源元素集合时，是否将DMRS映射到与资源块中设置的第二资源元素相对应的资源元素，并且根据所述DMRS和控制信道向终端发送DMRS和控制信道 确定结果。

公开(公告)号：US20130265955A1

公开(公告)日：2013-10-10

申请号：US13857555

申请日：2013-04-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younsun KIM ,  Aris PAPASAKELLARIOU ,  Kiil KIM ,  Juho LEE ,  Hyojin LEE ,  Joonyoung CHO

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0094 ,  H04W72/02 ,  H04W72/04 ,  H04W84/042

Abstract: A channel transmission/reception method and an apparatus for transmitting/receiving channels between a base station and a mobile terminal efficiently in a mobile communication supporting massive Multiple Input Multiple Output (MIMO) transmission are provided. The method includes determining a resource to which a Demodulation Reference Signal (DMRS) addressed to a terminal is mapped within a resource block, the DMRS resource being positioned in at least one of a first resource set capable of being allocated for DMRS and a second resource set symmetric with the first resource set on a time axis, and transmitting the DMRS and DMRS allocation information to the terminal.

Abstract translation: 提供了一种在支持大量多输入多输出（MIMO）传输的移动通信中有效地在基站和移动终端之间发送/接收信道的信道发送/接收方法和装置。 该方法包括确定寻址到终端的解调参考信号（DMRS）映射到资源块内的资源，DMRS资源位于能够被分配给DMRS的第一资源集和第二资源中的至少一个中 在时间轴上设置与第一资源集合对称，并将DMRS和DMRS分配信息发送到终端。

公开(公告)号：US20130215845A1

公开(公告)日：2013-08-22

申请号：US13770789

申请日：2013-02-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Younsun KIM ,  Giil KIM ,  Hyoungju JI ,  Joonyoung CHO ,  Juho LEE

IPC: H04W72/04

CPC classification number: H04W72/048 ,  H04L1/0072 ,  H04L1/0076 ,  H04W28/06 ,  H04W48/12

Abstract: A method of transmitting a reference signal in a mobile communication system is provided. The method includes determining at least three scrambling variables comprising a first scrambling variable, a second scrambling variable, and a third scrambling variable, wherein the first scrambling variable, the second scrambling variable, and the third scrambling variable are different from each other, determining whether a demodulation reference signal is for more than or equal to 3-layer transmission, generating, if the demodulation reference signal is for more than or equal to 3-layer transmission, the demodulation reference signal sequence using the third scrambling variable and transmitting the demodulation reference signal sequence through a corresponding antenna port.

Abstract translation: 提供了一种在移动通信系统中发送参考信号的方法。 该方法包括确定包括第一加扰变量，第二加扰变量和第三加扰变量的至少三个加扰变量，其中第一加扰变量，第二加扰变量和第三加扰变量彼此不同，确定是否 解调参考信号用于大于或等于3层传输，如果解调参考信号大于或等于3层传输，则使用第三加扰变量产生解调参考信号序列并发送解调参考 信号序列通过相应的天线端口。