公开(公告)号：US10805871B2

公开(公告)日：2020-10-13

申请号：US16598409

申请日：2019-10-10

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 ,  H04W56/00 ,  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：US10652927B2

公开(公告)日：2020-05-12

申请号：US15971411

申请日：2018-05-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyoung Oh ,  Sungjin Park ,  Jeongho Yeo ,  Youngwoo Kwak ,  Youngbum Kim ,  Taehyoung Kim ,  Hoondong Noh ,  Seunghoon Choi

IPC: H04W74/08 ,  H04W48/08 ,  H04W48/16 ,  H04W72/12 ,  H04W74/00 ,  H04L5/00 ,  H04W16/14

Abstract: 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 disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology. The method of a terminal in a wireless communication system are provided. The method includes receiving information, which is related to a first transmission time and a second transmission time of an uplink signal of a terminal, from a base station, when the uplink signal of the terminal is configured in an unlicensed band, performing a channel access in the unlicensed band, and when the unlicensed band is not in an idle state based on a channel access result before the first transmission time, performing a channel access until the second transmission time.

公开(公告)号：US20200084081A1

公开(公告)日：2020-03-12

申请号：US16684563

申请日：2019-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeongho Yeo ,  Youngbum Kim ,  Donghan Kim ,  Yongjun Kwak ,  Taehyoung Kim ,  Juho Lee ,  Younsun Kim ,  Seunghoon Choi ,  Sungjin Park ,  Jinyoung Oh ,  Youngwoo Kwak

IPC: H04L27/26 ,  H04L1/00 ,  H04L5/00 ,  H04W74/08 ,  H04W68/02 ,  H04W76/15 ,  H04W74/00 ,  H04W72/04 ,  H04L5/02 ,  H04W72/08

Abstract: The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with an IoT technology and a system thereof. The system may be used for an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and apparatus for inserting an index into a code block as a unit in which a channel code is executed and transmitting the same.

公开(公告)号：US10568077B2

公开(公告)日：2020-02-18

申请号：US15974022

申请日：2018-05-08

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04W72/06

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 whereby a terminal transmits hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative ACK (NACK) information corresponding to downlink data received from a corresponding base station is provided.

公开(公告)号：US20190313351A1

公开(公告)日：2019-10-10

申请号：US16378005

申请日：2019-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngbum Kim ,  Juho Lee ,  Heedon Gha ,  Taehyoung Kim ,  Taehan Bae ,  Seunghoon Choi

IPC: H04W56/00 ,  H04L5/00 ,  H04W72/04 ,  H04W88/06 ,  H04W88/10

Abstract: A synchronization method of a user equipment (UE) and a base station (BS) in a wireless communication system, a UE and a BS for establishing synchronization in a wireless communication system, and a non-transitory computer-readable recording medium are provided. The synchronization method of a UE includes detecting a first synchronization signal from a signal received from a BS, detecting repeatedly receivable one or more synchronization signals after the first synchronization signal is detected, based on each of blocks corresponding to a preset synchronization signal mapping pattern on time-frequency resources, combining the one or more synchronization signals, and establishing synchronization with the BS based on a block corresponding to a highest strength of the combined one or more synchronization signals, among the blocks.

公开(公告)号：US20190268889A1

公开(公告)日：2019-08-29

申请号：US16410668

申请日：2019-05-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyoung KIM ,  Youngbum Kim ,  Jeongho Yeo ,  Jinyoung Oh ,  Seunghoon Choi ,  Heedon Gha ,  Taehan Bae

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/18 ,  H04W76/27

Abstract: Method of terminal, terminal, method of base station, and base station in wireless communication system are provided. Method of terminal in wireless communication system includes receiving, from base station, rate matching information for a physical downlink shared channel (PDSCH) by a radio resource control (RRC) signaling, wherein the rate matching information includes time resource information and frequency resource information; and monitoring a physical downlink control channel (PDCCH) candidate except for a PDCCH candidate overlapped with a resource indicated by the time resource information and the frequency resource information, wherein a search space is defined by a set of PDCCH candidate for an aggregation level, a PDCCH candidate is defined by a set of control channel element (CCE) corresponding to the aggregation level, a CCE is defined by 6 resource element groups (REGs), and a REG is defined by one resource block (RB) during one orthogonal frequency division multiplexing (OFDM) symbol.

公开(公告)号：US10390335B2

公开(公告)日：2019-08-20

申请号：US15412711

申请日：2017-01-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Jinyoung Oh ,  Jeongho Yeo ,  Youngbum Kim ,  Yongjun Kwak ,  Juho Lee

IPC: H04W72/04 ,  H04W16/14 ,  H04L1/00 ,  H04L1/16 ,  H04L1/18

Abstract: A communication method and a system for supporting a high data transmission rate are provided. The method and system fuses 5G communication systems with IoT technology to transmit data at a high rate after 4G systems. The communication method and system are applied to intelligent services, based on 5G communication technology and IoT related technology, for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security, safety-related services, etc. The method for transmitting control information by a user equipment (UE) includes generating uplink control information (UCI), identifying whether a physical uplink shared channel (PUSCH) is not configured to transmit on a primary cell (PCell), identifying whether the PUSCH is configured to transmit on at least one secondary cell (SCell) for licensed band, and transmitting, to a base station, the UCI according to the identification.

公开(公告)号：US10230518B2

公开(公告)日：2019-03-12

申请号：US15470151

申请日：2017-03-27

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L1/18 ,  H04L5/14 ,  H04L12/24 ,  H04W72/12 ,  H04W88/08

Abstract: A method of defining physical channel transmit/receiving timings and resource allocation is provided for use in a Time Division Duplex (TDD) communication system supporting carrier aggregation. A method for receiving, at a base station, a Hybrid Automatic Repeat Request (HARQ) acknowledgement from a terminal in a Time Division Duplex (TDD) system supporting carrier aggregation of a primary cell and at least one secondary cell includes transmitting a downlink physical channel through one of the primary and secondary cells, receiving the HARQ acknowledgement corresponding to the downlink physical channel of the primary cell at a first timing predetermined for the primary cell, and receiving the HARQ acknowledgement corresponding to the downlink physical channel of the secondary cell at second timing, wherein the second timing is determined according to the first timing.

公开(公告)号：US10205583B2

公开(公告)日：2019-02-12

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：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.