公开(公告)号：US10764919B2

公开(公告)日：2020-09-01

申请号：US16347474

申请日：2018-09-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hoondong Noh ,  Jinyoung Oh ,  Sungjin Park ,  Cheolkyu Shin ,  Jeongho Yeo ,  Seunghoon Choi ,  Youngwoo Kwak ,  Younsun Kim ,  Taehyoung Kim ,  Heedon Gha

IPC: H04W72/12 ,  H04L1/08 ,  H04W72/04 ,  H04L5/00 ,  H04L1/18 ,  H04B17/318 ,  H04W76/27 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed are a communication method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of a 5G communication technology and IoT-related technology. In addition, disclosed in the specification are: an adaptive retransmission method and device for delay reduction; a method and a device for selecting radio resource allocation and data size; and a method and a device for performing setting so as to enable different channels to share DMRS with each other.

公开(公告)号：US10694539B2

公开(公告)日：2020-06-23

申请号：US16075911

申请日：2017-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyoung Oh ,  Jeongho Yeo ,  Younsun Kim ,  Seunghoon Choi ,  Taehan Bae

IPC: H04L12/28 ,  H04W72/12 ,  H04W74/00 ,  H04W72/04 ,  H04L5/00 ,  H04W52/34

Abstract: Provided is a terminal that includes a transceiver that transmits and receives signals, and a controller that receives, from a base station, control information including uplink configuration information for a plurality of subframes, to confirm information, for uplink transmission, from the uplink configuration information, and transmit an uplink signal based on the information for the uplink transmission, and a method for controlling the terminal.

公开(公告)号：US10673666B2

公开(公告)日：2020-06-02

申请号：US15962635

申请日：2018-04-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu Shin ,  Taehyoung Kim ,  Jinyoung Oh ,  Youngwoo Kwak ,  Seunghoon Choi

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04

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. A method by a terminal in a wireless communication system is provided. The method includes identifying a slot type of a terminal from a first slot type and a second slot type, determining a position of a demodulation reference signal (DMRS) based on the slot type, and receiving the DMRS based on the position from a base station.

公开(公告)号：US10595283B2

公开(公告)日：2020-03-17

申请号：US15821323

申请日：2017-11-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngbum Kim ,  Donghan Kim ,  Yongjun Kwak ,  Taehyoung Kim ,  Seunghoon Choi

IPC: H04B7/00 ,  H04W52/32 ,  H04W52/28

Abstract: A communication technique and system for converging, with Internet of things (IoT) technology, a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system is provided. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cards, health care, digital education, retail business, security and safety related services, etc.), on the basis of the 5G communication technology and IoT associated technology. According to an embodiment, a method of a terminal in a wireless communication system is provided. The method includes receiving system information, identifying power information for a synchronization signal and a broadcast channel, based on the system information, and transmitting and receiving a signal, based on the power information. In this method, the power information for the synchronization signal and the broadcast channel are set equally.

公开(公告)号：US10314106B2

公开(公告)日：2019-06-04

申请号：US16031500

申请日：2018-07-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Jinyoung Oh ,  Donghan Kim

IPC: H04W76/28 ,  H04L5/00 ,  H04L1/00 ,  H04W74/08 ,  H04L27/00 ,  H04W16/14

Abstract: A method and an apparatus for channel access in a wireless communication system related to a 5th generation (5G) or pre-5G communication system for supporting a data rate higher than that of the 4G communication system such as long term evolution (LTE) are disclosed. The method includes receiving a feedback corresponding to data transmitted in a first subframe arriving after a first sensing period in an unlicensed band from at least one terminal, checking data reception state of the at least one terminal as one of acknowledgement (ACK), negative acknowledgement (NACK), and discontinuous transmission (DTX) based on the feedback, and determining a length of a second sensing period based on the data reception state of the at least one terminal.

公开(公告)号：US10149235B2

公开(公告)日：2018-12-04

申请号：US15818078

申请日：2017-11-20

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 ,  H04W24/10

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：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：US10136469B2

公开(公告)日：2018-11-20

申请号：US15865077

申请日：2018-01-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmin Ro ,  Yongjun Kwak ,  Jinyoung Oh ,  Seunghoon Choi

IPC: H04W4/00 ,  H04J3/06 ,  H04W84/18 ,  H04W8/00 ,  H04W56/00 ,  H04W76/14 ,  H04W4/70 ,  H04B7/26 ,  H04L27/26 ,  H04L29/08 ,  H04W88/06 ,  H04W92/18 ,  H04L27/00

Abstract: Provided is a method of generating a Device-to-Device Synchronization Signal (D2DSS) by a terminal according to an embodiment of the present disclosure. The method includes determining a service attribute for identifying whether the terminal is serviced by at least one base station; and generating a D2DSS for identifying whether the terminal is serviced by the base station, based on the determination result. In addition, provided is a method of configuring D2D synchronization by a terminal according to an embodiment of the present disclosure. The method includes receiving a signal from at least one base station or another device; determining whether a synchronization signal is detected from the received signal; and when the synchronization signal is detected, configuring synchronization with the another device based on the timing reference of the detected synchronization signal.

公开(公告)号：US09973320B2

公开(公告)日：2018-05-15

申请号：US15269389

申请日：2016-09-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Youngbum Kim ,  Hyoungju Ji

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04 ,  H04W24/08 ,  H04B7/26 ,  H04L1/18 ,  H04L5/14

CPC classification number: H04L5/0073 ,  H04B7/265 ,  H04L1/0026 ,  H04L1/1887 ,  H04L5/0028 ,  H04L5/0057 ,  H04L5/14 ,  H04L5/1469 ,  H04W24/08 ,  H04W72/042

Abstract: A method of transmitting channel information by a User Equipment (UE) when an uplink sub-frame is used for downlink transmission in a communication system using a dynamic Time Division Duplex (TDD) UpLink-DownLink (UL-DL) configuration is provided. The method includes receiving reconfiguration information for reconfiguration of TDD uplink and downlink from an evolved Node B (eNB), measuring interference in a first sub-frame changed from an uplink sub-frame to a downlink sub-frame by the reconfiguration, and transmitting information on interference measured in only the first sub-frame to the eNB in an uplink sub-frame according to a predetermined timing.

公开(公告)号：US20170150480A1

公开(公告)日：2017-05-25

申请号：US15327360

申请日：2015-07-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donghan Kim ,  Hyoungju Ji ,  Yongjun Kwak ,  Jinyoung Oh ,  Hyojin Lee ,  Sangmin Ro ,  Hoondong Noh ,  Seunghoon Choi ,  Youngbum Kim ,  Younsun Kim ,  Juho Lee ,  Youngwoo Kwak

IPC: H04W72/02 ,  H04W8/00 ,  H04L29/08 ,  H04W4/00

Abstract: The present invention relates to a communication technology and system converging the 5G communication system for supporting a data rate higher than that of the 4G system with IoT technology. The present invention is applicable to intelligent services based on 5G communication and IoT technologies (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety services. In detail, the discovery signal transmission method of a terminal in a wireless communication system supporting Device to Device (D2D) communication includes receiving discovery resource pool information from a base station, selecting a resource for transmitting discovery signal based on the discovery resource pool information, determining whether the selected resource is overlapped with a resource configured for transmitting a D2D synchronization signal, and determining whether to transmit the discovery signal based on the determination result.