公开(公告)号：US09722747B2

公开(公告)日：2017-08-01

申请号：US14687287

申请日：2015-04-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun Kim ,  Juho Lee ,  Hyojin Lee

IPC: H04W4/00 ,  H04W76/04 ,  H04L27/26 ,  H04B7/02 ,  H04L5/00 ,  H04W72/04 ,  H04B7/024 ,  H04W88/08

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04L27/2613 ,  H04L27/2655 ,  H04W72/042 ,  H04W76/25 ,  H04W88/08

Abstract: A data transmission method and an apparatus in a network supporting coordinated multipoint transmission are provided. The method includes transmitting candidate sets of initial state information used to generate Demodulation Reference Signal (DMRS) scrambling sequences for the transmission points to the UE, and transmitting an indication corresponding to at least one candidate set of initial state information respectively associated with at least one transmission point to the UE, wherein the initial state information is used by the UE to generate DMRS scrambling sequences.

公开(公告)号：US09686005B2

公开(公告)日：2017-06-20

申请号：US14765192

申请日：2014-01-29

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Younsun Kim ,  Sooyong Choi ,  Taehyoung Kim ,  Kyungsik Min ,  Jungkyun Park ,  Juho Lee ,  Hyojin Lee ,  Minchae Jung ,  Hyoungju Ji

IPC: H04B7/06 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0456 ,  H04L1/06 ,  H04L1/00 ,  H04W88/08

CPC classification number: H04B7/0632 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/0641 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0072 ,  H04L1/0078 ,  H04L1/06 ,  H04W88/08

Abstract: Disclosed are a method and an apparatus for feeding back channel estimation in a MIMO system. A terminal receives a reference signal for estimating a channel from a base station; estimates the channel based on the reference signal; generates channel estimation information according to the channel estimation result and generates error information indicating an error of the channel estimation; and transmits feedback information including the channel estimation information and the error information to the base station.

公开(公告)号：US09641233B2

公开(公告)日：2017-05-02

申请号：US14873829

申请日：2015-10-02

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 ,  H04B7/0417 ,  H04W24/10 ,  H04W72/04 ,  H04W72/08 ,  H04B7/022 ,  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.

公开(公告)号：US09635642B2

公开(公告)日：2017-04-25

申请号：US13728450

申请日：2012-12-27

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Korea National University of Transportation

Inventor： Hyojin Lee ,  Cheol Mun ,  Kiil Kim ,  Younsun Kim ,  Juho Lee ,  Joonyoung Cho

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04L5/14 ,  H04B7/06 ,  H04L1/00 ,  H04L1/06

CPC classification number: H04W72/04 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0695 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/06 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0091 ,  H04L5/143

Abstract: Methods and apparatus are provided for beamforming and information feedback are provided. Signals for beams to be transmitted through corresponding antenna ports, are generated. The beams are formed by precoding the signals with beamforming vectors. The beams are sorted into a number of resource reuse groups based on a resource that is to be shared. The beams are transmitted, using resources allocated per group, to a receiver. Feedback information is generated on at least one antenna port, based on the received beams. The feedback information is transmitted to the transmitter. A beam is selected having a greatest gain for a transmitter using the feedback information. A transmission resource is allocated for the selected beam.

公开(公告)号：US09596012B2

公开(公告)日：2017-03-14

申请号：US14785151

申请日：2014-04-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungyoul Yu ,  Younsun Kim ,  Hyojin Lee ,  Hyoungju Ji

IPC: H04B7/04 ,  H04L1/00 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0473 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/063 ,  H04L1/0026 ,  H04L1/0027

Abstract: The present specification relates to a precoding-related information transmitting or receiving method and apparatus. A precoder-related information receiving method by a user equipment according to an embodiment of the present specification comprises the steps of: transmitting an aperiodic channel state information (CSI) report; receiving a rank indicator and a first precoder indicator from a base station; acquiring a second precoder indicator included in the most recent aperiodic CSI report which corresponds to the rank indicator in the aperiodic CSI reports transmitted by the user equipment; and receiving a signal using the first precoder indicator and the second precoder indicator. According to an embodiment of the present specification, precoding-related information can be effectively transmitted or received.

Abstract translation: 本说明书涉及预编码相关的信息发送或接收方法和装置。 根据本说明书的实施例的用户设备的预编码器相关信息接收方法包括以下步骤：发送非周期信道状态信息（CSI）报告; 从基站接收秩指示符和第一预编码器指示符; 获取包含在最近的非周期性CSI报告中的第二预编码器指示符，该报告对应于由用户设备发送的非周期性CSI报告中的秩指示符; 以及使用所述第一预编码器指示符和所述第二预编码器指示符接收信号。 根据本说明书的实施例，可以有效地发送或接收预编码相关信息。

公开(公告)号：US09503240B2

公开(公告)日：2016-11-22

申请号：US13751631

申请日：2013-01-28

Applicant: Samsung Electronics Co. Ltd.

Inventor： Younsun Kim ,  Gil Kim ,  Juho Lee ,  Youngbum Kim ,  Joonyoung Cho ,  Hyoungju Ji

IPC: H04L5/00 ,  H04W72/04 ,  H04W72/00 ,  H04W24/10 ,  H04W4/00 ,  H04W4/02

CPC classification number: H04L5/0053 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0092 ,  H04W4/023 ,  H04W4/80 ,  H04W24/10 ,  H04W72/005 ,  H04W72/0426

Abstract: A method and apparatus for providing a data service by using a broadcasting signal are provided. To transmit the broadcasting signal by an Access Point (AP) located within a coverage area of a base station (eNB), the AP transmits configuration information, used for transmission of the broadcasting signal on the same frequency band as that of the eNB, to the eNB, receives broadcasting signal transmission information, based on the configuration information, from the eNB, and transmits the broadcasting signal according to the broadcasting signal transmission information.

Abstract translation: 提供了一种通过使用广播信号提供数据服务的方法和装置。 为了通过位于基站（eNB）的覆盖区域内的接入点（AP）发送广播信号，AP将用于与eNB相同的频带上的广播信号的发送的配置信息发送到 eNB从eNB接收基于配置信息的广播信号发送信息，并根据广播信号发送信息发送广播信号。

公开(公告)号：US09439139B2

公开(公告)日：2016-09-06

申请号：US14079260

申请日：2013-11-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongjun Kwak ,  Youngbum Kim ,  Joonyoung Cho ,  Younsun Kim ,  Juho Lee ,  Hyoungju Ji

IPC: H04W52/02 ,  H04W24/00 ,  H04W48/16

CPC classification number: H04W52/0206 ,  H04W24/00 ,  H04W24/02 ,  H04W48/16 ,  Y02D70/1242 ,  Y02D70/1262

Abstract: Methods and apparatus are provided for controlling transition of an operation state of a cell in a wireless communication system. The cell includes a transceiver configured to transmit and receive signals to and from a terminal and another cell. The cell also includes a controller configured to transition an operation state of the cell from an active state to a dormant state, transmit a discovery signal, determine whether a cell activation signal is received from a node that controls the cell, and transition the operation state of the cell from the dormant state to the active state when the cell activation signal is received.

Abstract translation: 提供了用于控制无线通信系统中的小区的操作状态的转换的方法和装置。 该小区包括被配置为向终端和另一个小区发送和接收信号的收发机。 小区还包括控制器，其被配置为将小区的操作状态从活动状态转换到休眠状态，发送发现信号，确定是否从控制小区的节点接收到小区激活信号，并且转换操作状态 的细胞从休眠状态到细胞激活信号被接收到活动状态。

公开(公告)号：US09420596B2

公开(公告)日：2016-08-16

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: G01R31/08 ,  H04W72/08 ,  H04L5/00 ,  H04L25/02 ,  H04W24/10 ,  H04W72/04

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.

公开(公告)号：US20160192386A1

公开(公告)日：2016-06-30

申请号：US14908039

申请日：2014-08-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngbum KIM ,  Younsun Kim ,  Juho LEE ,  Hyoungju JI

IPC: H04W72/12 ,  H04L5/00 ,  H04L1/18 ,  H04W72/04 ,  H04W52/36

CPC classification number: H04W72/1268 ,  H04L1/1812 ,  H04L5/0055 ,  H04W52/365 ,  H04W72/0453 ,  H04W72/1231 ,  H04W72/1284 ,  H04W72/1289

Abstract: The present invention relates to a method for a terminal requesting scheduling to transmit uplink data in a mobile communication system. More specifically, the present invention, in a system that aggregates carriers between different base stations, defines a process and a method for scheduling requests so that a terminal can transmit “scheduling request” control information to each base station, thereby enabling effective transmission of dynamic scheduling and uplink data.

Abstract translation: 本发明涉及一种在移动通信系统中请求调度以发送上行链路数据的终端的方法。 更具体地说，本发明在汇聚不同基站之间的载波的系统中，定义了一种用于调度请求的过程和方法，使得终端能够向每个基站发送“调度请求”控制信息，由此能够有效地传输动态 调度和上行数据。

公开(公告)号：US20160156443A1

公开(公告)日：2016-06-02

申请号：US15018300

申请日：2016-02-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongjun KWAK ,  Younsun Kim ,  Hyojin Lee ,  Juho Lee

IPC: H04L5/00

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

Abstract: Methods and a base station are provided for transmitting a serving signal to a User Equipment (UE) by the base station. The method includes generating modulation order information for determining a modulation order of an interference signal, and transmitting the serving signal with the modulation order information in a resource allocated to the UE.

Abstract translation: 提供方法和基站用于通过基站向用户设备（UE）发送服务信号。 该方法包括产生用于确定干扰信号的调制阶数的调制阶数信息，并且以分配给UE的资源中的调制次序信息发送服务信号。