公开(公告)号：US20190297607A1

公开(公告)日：2019-09-26

申请号：US16420851

申请日：2019-05-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyung KIM ,  Youngbum KIM ,  Seunghoon CHOI

IPC: H04W72/04 ,  H04L5/00

Abstract: A method for receiving downlink control information (DCI) in a communication system is provided. The method includes identifying a scaling parameter based on a function using a size of an active bandwidth part and a size of an initial bandwidth part, when the size of the active bandwidth part is larger than the size of the initial bandwidth part and a size for the DCI of DCI format 1_0 in a user equipment (UE) specific search space (USS) is derived from the size of the initial bandwidth part and the DCI of DCI format 1_0 is applied to the active bandwidth part, and identifying a length of contiguously allocated resource blocks of the allocated resource associated with the active bandwidth part based on a length of contiguously allocated resource blocks associated with the initial bandwidth part and the scaling parameter.

公开(公告)号：US20190281610A1

公开(公告)日：2019-09-12

申请号：US16347418

申请日：2017-11-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Yongjun KWAK ,  Donghan KIM ,  Youngbum KIM ,  Taehyoung KIM

IPC: H04W72/12 ,  H04W72/04 ,  H04W4/06 ,  H04L5/14 ,  H04W56/00

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate than a 4G communication system such as LTE. According to an embodiment of the present invention, a method for a first base station in a first communication system comprises the steps of: identifying information related to a resource which can be used by a second base station in a second communication system; generating a message including the information related to the resource which can be used by the second base station; and transmitting the signal to the second base station.

公开(公告)号：US20190044649A1

公开(公告)日：2019-02-07

申请号：US16050576

申请日：2018-07-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyoung KIM ,  Youngbum KIM ,  Jeongho YEO ,  Seunghoon CHOI

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

Abstract: The 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 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 and apparatus that reduce power consumption of the terminal and increase resource utilization efficiency of the base station through resource sharing between the data channel and the control channel are provided.

公开(公告)号：US20180184478A1

公开(公告)日：2018-06-28

申请号：US15887542

申请日：2018-02-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehyuk JANG ,  Soenghun KIM ,  Gert-Jan VAN LIESHOUT ,  Youngbum KIM

IPC: H04W76/15 ,  H04W74/08 ,  H04W52/50 ,  H04W52/36 ,  H04W52/14 ,  H04W52/30 ,  H04L5/00 ,  H04W52/34 ,  H04W52/24 ,  H04W52/40 ,  H04W52/48

Abstract: A random access method and an apparatus of a terminal for performing random access procedure to multiple base stations in parallel in a Long Term Evolution (LTE) system supporting dual connectivity are provided. The method includes determining whether a first preamble transmission to a first cell of a first base station is overlapped with a second preamble transmission to a second cell of a second base station in a time domain, determining, when the first preamble transmission is overlapped with the second preamble transmission in the time domain, whether a sum of transmit powers calculated for the first and second preamble transmissions is greater than a maximum allowed transmit power of the terminal, and controlling, when the sum of the first and second preamble transmit powers is greater than the maximum allowed transmit power, the transmit power calculated for the second preamble transmission.

公开(公告)号：US20180145818A1

公开(公告)日：2018-05-24

申请号：US15821298

申请日：2017-11-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Taehyoung KIM ,  Yongjun KWAK ,  Donghan KIM ,  Youngbum KIM

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

Abstract: A communication technique of fusing a 5th generation (5G) communication system for supporting higher data transmission rate beyond a 4th generation (4G) system with an Internet of Things (IoT) technology and a system thereof are provided. The communication technique may be applied to intelligent services (e.g., 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. In order to support sufficient uplink coverage, two structures of an uplink control channel and a multiplexing method with other channels, a method in which long term evolution (LTE) and 5G systems coexist in a single carrier, and a method for reducing an overhead of downlink control information are provided.

公开(公告)号：US20180077635A1

公开(公告)日：2018-03-15

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

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：US20170331597A1

公开(公告)日：2017-11-16

申请号：US15664350

申请日：2017-07-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju JI ,  Joonyoung CHO ,  Seunghoon CHOI ,  Youngbum KIM ,  Juho LEE

IPC: H04L1/18 ,  H04W72/04 ,  H04W76/02 ,  H04W72/12

CPC classification number: H04L1/1887 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04W72/0406 ,  H04W72/12 ,  H04W76/10

Abstract: A method and an apparatus for transmitting uplink/downlink data on time division duplexing (TDD) carriers are provided. The method includes transmitting to a base station in a primary cell (PCell) and a secondary cell (SCell), a TDD uplink (UL)/downlink (DL) configuration of the PCell having a DL subframe super-set or UL subset that are common in the SCell and the PCell and a TDD UL-DL configuration differing from each other, receiving data at a first subframe in the SCell, and transmitting, when a UL subframe set of the SCell is a subset of a UL subframe of the PCell, a feedback corresponding to the data at a subframe predefined in association with the first subframe in the PCell according to the TDD UL-DL configuration of the SCell. The method supports both the self-scheduling and cross-carrier scheduling of the UE using carriers of different TDD configurations.

公开(公告)号：US20170207900A1

公开(公告)日：2017-07-20

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: H04L5/14 ,  H04L12/24 ,  H04W72/12 ,  H04L1/18

CPC classification number: H04L5/14 ,  H04L1/1812 ,  H04L1/1861 ,  H04L41/08 ,  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：US20170005774A1

公开(公告)日：2017-01-05

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 ,  H04L5/14 ,  H04W24/08

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.

Abstract translation: 提供了一种在使用动态时分双工（TDD）UpLink-DownLink（UL-DL）配置的通信系统中使用上行链路子帧用于下行链路传输时由用户设备（UE）发送信道信息的方法。 该方法包括从演进的节点B（eNB）接收重新配置TDD上行链路和下行链路的重配置信息，通过重新配置测量从上行链路子帧改变到下行链路子帧的第一子帧的干扰，以及发送信息 根据预定定时在上行链路子帧中仅在第一子帧到eNB的干扰。

公开(公告)号：US20160066304A1

公开(公告)日：2016-03-03

申请号：US14935926

申请日：2015-11-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju JI ,  Joonyoung CHO ,  Seunghoon CHOI ,  Youngbum KIM

IPC: H04W72/04 ,  H04L5/14

CPC classification number: H04W72/042 ,  H04L5/0055 ,  H04L5/14 ,  H04L5/1469 ,  H04W56/00

Abstract: A method by a terminal, a method by a base station, a terminal, and a base station are provided. The method by the terminal includes receiving system information including first time division duplex (TDD) configuration information; receiving control information via a higher layer signaling; monitoring a physical downlink control channel (PDCCH) in a first subframe identified based on the control information; and identifying second TDD configuration information based on the monitoring result. The method by the base station includes transmitting system information including first time division duplex (TDD) configuration information; transmitting control information via a higher layer signaling; transmitting downlink control information on a physical downlink control channel (PDCCH) in a first subframe identified based on the control information, wherein the downlink control information is used to identify second TDD configuration information.

Abstract translation: 提供终端的方法，基站，终端和基站的方法。 所述终端的方法包括接收包括第一时分双工（TDD）配置信息的系统信息; 通过更高层的信令接收控制信息; 监视基于所述控制信息识别的第一子帧中的物理下行链路控制信道（PDCCH）; 以及基于所述监视结果识别第二TDD配置信息。 基站的方法包括发送包括第一时分双工（TDD）配置信息的系统信息; 通过较高层信令发送控制信息; 在基于所述控制信息识别的第一子帧中的物理下行链路控制信道（PDCCH）上发送下行链路控制信息，其中，所述下行链路控制信息用于识别第二TDD配置信息。