公开(公告)号：US10142083B2

公开(公告)日：2018-11-27

申请号：US14190418

申请日：2014-02-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Hyoungju Ji ,  Youngbum Kim ,  Joonyoung Cho

IPC: H04L5/14 ,  H04L5/00 ,  H04W72/04 ,  H04L1/00

Abstract: A method and an apparatus for transmitting a control channel when cells have different duplex structures in an intra-cell carrier aggregation system are provided. The method of transmitting and/or receiving a control channel by an evolved Node B (eNB) in a wireless communication system includes receiving capability information of a User Equipment (UE) from the UE, transmitting scheduling information to the UE, transmitting downlink data according to the transmitted scheduling information, and receiving an uplink control channel for the downlink data from the UE based on the capability information of the UE.

公开(公告)号：US09735936B2

公开(公告)日：2017-08-15

申请号：US15137779

申请日：2016-04-25

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L5/00 ,  H04W24/10 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0452 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04L5/0023 ,  H04L5/0057 ,  H04W24/10

Abstract: A method and an apparatus for transmitting/receiving channel state information for use in multi-antenna system are provided. A signal communication method of a base station having a plurality of antennas in a wireless communication system includes determining antenna ports of first and second directions based on directions of the plurality of antennas, allocating channel measurement resources for the respective antenna ports to a terminal, transmitting a feedback configuration to the terminal according to the channel measurement resources, and receiving feedback information from the terminal based on the channel measurement resource and the feedback configuration. The signal transmission/reception method and apparatus are advantageous in transmitting/receiving channel state information efficiently in the system using a plurality of antennas.

公开(公告)号：US20170085353A1

公开(公告)日：2017-03-23

申请号：US15369567

申请日：2016-12-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Youngbum Kim ,  Joonyoung Cho ,  Hyoungju Ji

IPC: H04L5/00 ,  H04W72/04 ,  H04L1/18 ,  H04L5/14

CPC classification number: H04L5/0055 ,  H04J3/00 ,  H04J3/1694 ,  H04L1/1812 ,  H04L5/001 ,  H04L5/1415 ,  H04L5/1469 ,  H04W28/10 ,  H04W72/0413 ,  H04W72/042

Abstract: The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a Frequency Division Duplex (FDD) scheme. The method also includes receiving data through the Scell before a timing configured as an uplink sub-frame according to a TDD UpLink-DownLink (UL-DL) configuration of the Pcell. The method also includes transmitting a feedback of the received data through the Pcell in a feedback sub-frame. By the method, a feedback for a data can be effectively transferred.

公开(公告)号：US09526064B2

公开(公告)日：2016-12-20

申请号：US14105873

申请日：2013-12-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngbum Kim ,  Joonyoung Cho ,  Yongjun Kwak ,  Juho Lee ,  Hyojin Lee ,  Hyoungju Ji ,  Younsun Kim ,  Sangmin Ro ,  Seunghoon Choi

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W24/10 ,  Y02D70/00 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/146

Abstract: A discovery signal transmission/reception method and an apparatus for improving energy efficiency of the system are provided. The discovery signal transmission method of a base station in a mobile communication system according to the present disclosure includes acquiring a discovery signal configuration of a neighbor cell, transmitting the discovery signal configuration to a terminal, receiving a measurement report including a result of measurement on a discovery signal of the neighbor from the terminal, the measurement being performed based on the discovery signal configuration, and determining whether to make a handover decision for the terminal based on the measurement report. The discovery signal transmission/reception method of the present disclosure is advantageous in improving energy efficiency of a mobile communication system.

Abstract translation: 提供了一种用于提高系统的能量效率的发现信号发送/接收方法和装置。 根据本公开的移动通信系统中的基站的发现信号发送方法包括：获取相邻小区的发现信号配置，向所述终端发送所述发现信号配置，在所述终端上接收包括测量结果的测量报告 基于所述发现信号配置进行所述测量，并且基于所述测量报告来确定是否对所述终端进行切换判定。 本公开的发现信号发送/接收方法在提高移动通信系统的能量效率方面是有利的。

公开(公告)号：US09496999B2

公开(公告)日：2016-11-15

申请号：US13669007

申请日：2012-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju Ji ,  Youngbum Kim ,  Joonyoung Cho ,  Seunghoon Choi

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04L5/0044 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0064 ,  H04L5/0094 ,  H04W4/70 ,  H04W4/80 ,  H04W72/1263

Abstract: A method and apparatus for resource allocation in a multi-carrier wireless communication system enables transmission using smaller resource units and achieves efficient transmission of data channels with very low data rates, scheduling a greater number of user equipments without additional control channel overhead while maintaining compatibility with the resource allocation scheme of legacy user equipments. Thus, one cell controls a larger number of user equipments. In addition, as multiple user equipments are scheduled using a single control channel, resource efficiency is increased.

Abstract translation: 一种用于多载波无线通信系统中的资源分配的方法和装置，能够使用更小的资源单元进行传输，并以非常低的数据速率实现数据信道的高效传输，在没有额外的控制信道开销的情况下调度更多的用户设备，同时保持与 传统用户设备的资源分配方案。 因此，一个单元控制更多的用户设备。 另外，由于使用单个控制信道调度多个用户设备，因此提高资源效率。

公开(公告)号：US09408086B2

公开(公告)日：2016-08-02

申请号：US13728510

申请日：2012-12-27

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

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

IPC: H04L1/00 ,  H04W24/02 ,  H04L5/00 ,  H04B7/04 ,  H04W16/28 ,  H04W72/08 ,  H04L25/02 ,  H04B7/06

CPC classification number: H04W24/02 ,  H04B7/0417 ,  H04B7/0478 ,  H04B7/0639 ,  H04L5/0023 ,  H04L25/0204 ,  H04W16/28 ,  H04W72/085

Abstract: A Channel State Information (CSI) feedback method and apparatus is provided for transmitting, at a base station, the CSIs for plural transmit antennas with a limited amount resource and receiving, at a mobile station, the CSIs efficiently in a massive Multiple Input Multiple Output (MIMO) system operating in the Frequency Division Duplex (FDD) mode.

Abstract translation: 提供了一种信道状态信息（CSI）反馈方法和装置，用于在基站处发送具有有限资源资源的多个发射天线的CSI，并在移动台以高质量的多输入多输出方式接收CSI （MIMO）系统以频分双工（FDD）模式工作。

公开(公告)号：US09398573B2

公开(公告)日：2016-07-19

申请号：US13789268

申请日：2013-03-07

Applicant: Samsung Electronics Co. Ltd.

Inventor： Aris Papasakellariou ,  Youngbum Kim ,  Joonyoung Cho

IPC: H04W72/02 ,  H04W72/04 ,  H04L5/00 ,  H04B7/02

CPC classification number: H04W72/0413 ,  H04B7/024 ,  H04L5/0023 ,  H04L5/0053 ,  H04W72/02 ,  H04W72/04

Abstract: Methods and apparatus for a User Equipment (UE) to determine a number of coded modulation symbols per spatial layer for an Uplink Control Information (UCI) type it multiplexes in a Physical Uplink Shared CHannel (PUSCH) is provided. The UE communicates with different sets of Reception Points (RPs) in different Transmission Time Intervals (TTIs) wherein two RPs in a same set of RPs have a communication latency that is smaller than or equal to a predetermined value and two RPs in two different respective sets of RPs have a communication latency that is larger than a predetermined value.

Abstract translation: 用户设备（UE）的方法和装置提供了在物理上行链路共享信道（PUSCH）中多路复用的上行链路控制信息（UCI）类型的每个空间层的编码调制符号的数量。 UE在不同的传输时间间隔（TTI）中与不同的接收点集合进行通信，其中相同集合的RP中的两个RP具有小于或等于预定值的通信等待时间，并且两个不同的相应的两个RP RP组具有大于预定值的通信延迟。

公开(公告)号：US09351292B2

公开(公告)日：2016-05-24

申请号：US14846362

申请日：2015-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Joonyoung Cho ,  Youngbum Kim ,  Hyoungju Ji

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14 ,  H04W76/04 ,  H04W72/00 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/0413 ,  H04L1/1614 ,  H04L1/1635 ,  H04L1/18 ,  H04L1/1861 ,  H04L5/00 ,  H04L5/0055 ,  H04L5/14 ,  H04W72/00 ,  H04W72/0406 ,  H04W72/0446 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08

Abstract: A method for transmitting a physical channel in a Time Division Duplex (TDD) communication system capable of carrier aggregation is provided for supporting aggregation of carriers having different TDD configurations. The communication method of a terminal in a TDD radio communication system accomplishing broadband through carrier aggregation of primary and secondary cells, of which aggregated carriers have different TDD Uplink-Downlink (UL-DL) configurations, includes receiving Physical Downlink Shared Channel (PDSCH) through the secondary cell, and transmitting acknowledgement information corresponding to the PDSCH to a base station, where acknowledgement information is transmitted on a Physical Uplink Control CHannel (PUCCH) of the primary cell.

公开(公告)号：US09320046B2

公开(公告)日：2016-04-19

申请号：US14690971

申请日：2015-04-20

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

公开(公告)号：US09282554B2

公开(公告)日：2016-03-08

申请号：US14519808

申请日：2014-10-21

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W72/00 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/0406

Abstract: A control channel transmission/reception method and an apparatus for transmitting/receiving control channels using a resource allocation scheme applicable regardless of reference signal transmission or whether the reference signal is transmitted in distributed transmission mode or localized transmission mode are provided. The control channel transmission method includes mapping a Demodulation Reference Signal (DMRS) to Resource Elements (REs) of a Resource Block (RB) for transmitting a control channel, mapping the control channel to the REs numbered with numbers of predetermined number of Resource Element Groups (REGs) in a frequency-first ascending order cyclically, with the exception of the REs to which the DMRS is mapped, and transmitting the DMRS and the control channel.