公开(公告)号：US10182451B2

公开(公告)日：2019-01-15

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 ,  H04W52/36 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04

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.

公开(公告)号：US10148333B2

公开(公告)日：2018-12-04

申请号：US15316156

申请日：2015-06-03

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyoungju Ji ,  Younsun Kim ,  Hyojin Lee ,  Youngwoo Kwak ,  Juho Lee

IPC: H04L1/00 ,  H04L12/26 ,  H04L12/28 ,  H04B7/06 ,  H04L5/00 ,  H04W24/08 ,  H04W28/02 ,  H04B7/0456

Abstract: According to an embodiment of the present invention, provided are a method for receiving channel measurement information of a base station in a mobile communication system, including: transmitting, to a terminal, a first control message including a CSI-RS and a CSI-IM resource configuration information; transmitting, to the terminal, a second control message including at least one first information for a channel measurement and at least one second information for an interference measurement; and receiving, from the terminal, channel state feedback information measured on the basis of the first control message and the second control message. The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT).

公开(公告)号：US20180279288A1

公开(公告)日：2018-09-27

申请号：US15989994

申请日：2018-05-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04W72/04 ,  H04W72/08 ,  H04L5/00 ,  H04B7/06 ,  H04B7/024

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/085

Abstract: Disclosed are an apparatus for transmitting and receiving a downlink data in a wireless communications system supporting cooperation between transmission points and a method therefor. A method for transmitting a downlink data in a wireless communications system includes the steps of: transmitting the information on resources management collection including the CSI-RS information for measuring the terminal received power to a terminal; receiving a report of the received power measurement of the CSI-RS corresponding to the resources management collection from the terminal; determining the measurement collection including the CSI-RS information for the terminal to infer a channel based on the received power measurement report; and transmitting the resources mapped with data to the terminal based on the measurement collection.

公开(公告)号：US10084523B2

公开(公告)日：2018-09-25

申请号：US14032511

申请日：2013-09-20

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04K1/10 ,  H04B7/06 ,  H04B7/0417 ,  H04B7/0456

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0632 ,  H04B7/0639

Abstract: A method and apparatus for transmitting and receiving CSI is provided for use in a wireless communication system using a plurality of antennas. The CSI transmission method of a terminal includes receiving a first CSI-RS and a second CSI-RS, transmitting a CSI indicator indicating one of the first and second CSI-RS corresponding to CSI to be transmitted, and transmitting the CSI generated based on the CSI indicator, until transmission of a new CSI indicator.

公开(公告)号：US20180159707A1

公开(公告)日：2018-06-07

申请号：US15821882

申请日：2017-11-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eko Onggosanusi ,  Md Saifur Rahman ,  Younsun Kim

IPC: H04L27/26 ,  H04L29/08 ,  H04B17/309

CPC classification number: H04L27/2601 ,  H04B7/06 ,  H04B17/24 ,  H04B17/309 ,  H04L5/0023 ,  H04L67/325 ,  H04L69/324

Abstract: Methods and apparatuses for multistream transmissions are provided. A user equipment (UE) includes a transceiver configured to receive an L-layer data transmission that includes at least one codeblock (CB). The CB includes a length-N cyclic redundancy code (CRC). The transceiver is also configured to receive a downlink control information (DCI) associated with the data transmission. The UE further includes a processor operably connected to the transceiver. The processor is configured to decode the data transmission, the CRC, and the DCI. The data transmission includes one codeword (CW) when L is less than or equal to a threshold and two CWs when L is greater than the threshold.

公开(公告)号：US09948439B2

公开(公告)日：2018-04-17

申请号：US14062231

申请日：2013-10-24

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04B7/04 ,  H04J3/06 ,  H04L5/00 ,  H04W72/00 ,  H04W16/28 ,  H04B7/06

CPC classification number: H04L5/0044 ,  H04B7/0695 ,  H04L5/0007 ,  H04L5/0064 ,  H04W16/28 ,  Y02D70/12 ,  Y02D70/124 ,  Y02D70/126

Abstract: Methods and apparatus are provided for transmission and reception of common channel information in a mobile communication system using multi-antenna-based beamforming. A number of beams to be used for transmission to a terminal is determined at a base station. The common channel information is generated corresponding to the number of beams. The common channel information is transmitted from the base station to the terminal through one of the beams.

公开(公告)号：US09929841B2

公开(公告)日：2018-03-27

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: H04B1/00 ,  H04L5/00 ,  H04L27/00

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.

公开(公告)号：US09871629B2

公开(公告)日：2018-01-16

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.

公开(公告)号：US09826471B2

公开(公告)日：2017-11-21

申请号：US15383404

申请日：2016-12-19

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: H04W24/10 ,  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.

公开(公告)号：US09806780B2

公开(公告)日：2017-10-31

申请号：US14720239

申请日：2015-05-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju Ji ,  Younsun Kim ,  Juho Lee ,  Hyojin Lee ,  Youngwoo Kwak

IPC: H04B7/04 ,  H04B7/06 ,  H04J11/00 ,  H04B1/707

CPC classification number: H04B7/0478 ,  H04B1/707 ,  H04B7/0486 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0658 ,  H04J11/00

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Provided are a method and user equipment for sending feedback information to a base station. The method includes receiving a Channel Status Indication Reference Signal (CSI-RS) from the base station; generating feedback information on a basis of the received CSI-RS; and transmitting the generated feedback information to the base station, wherein generating feedback information includes selecting a precoding matrix for each antenna port group of the base station and selecting an additional precoding matrix on a basis of a relationship between the antenna port groups of the base station.