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：US20170048861A1

公开(公告)日：2017-02-16

申请号：US15233215

申请日：2016-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Jinyoung OH ,  Donghan KIM

IPC: H04W72/04 ,  H04W76/04 ,  H04L5/00

CPC classification number: H04W76/28 ,  H04L1/00 ,  H04L5/0053 ,  H04L5/0055 ,  H04L27/0006 ,  H04W16/14 ,  H04W74/0808

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.

Abstract translation: 公开了一种用于与第五代（5G）或前5G通信系统相关的无线通信系统中的用于信道接入的方法和装置，用于支持比诸如长期演进（LTE）的4G通信系统的数据速率更高的数据速率。 。 所述方法包括接收对应于在来自至少一个终端的非许可频带中的第一感测周期之后到达的第一子帧中发送的数据的反馈，将所述至少一个终端的数据接收状态作为确认（ACK）之一，否定确认 （NACK）和基于所述反馈的不连续传输（DTX），以及基于所述至少一个终端的数据接收状态来确定第二感测周期的长度。

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。

公开(公告)号：US20150280868A1

公开(公告)日：2015-10-01

申请号：US14738213

申请日：2015-06-12

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L1/18 ,  H04W72/04

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.

Abstract translation: 提供了一种用于在时分双工（TDD）载波上发送上行链路/下行链路数据的方法和装置。 该方法包括向主单元（PCell）和辅助小区（SCell）中的基站发送具有DL子帧超集或UL子集的PCell的TDD上行链路（UL）/下行链路（DL）配置 在SCell和PCell中共用，并且TDD UL-DL配置彼此不同，在SCell的第一子帧处接收数据，并且当SCell的UL子集合是PCell的UL子帧的子集时， 根据SCell的TDD UL-DL配置，在与PCell中的第一子帧相关联地预定的子帧处的数据对应的反馈。 该方法支持使用不同TDD配置的载波的UE的自调度和跨载波调度。

公开(公告)号：US20150163783A1

公开(公告)日：2015-06-11

申请号：US14625150

申请日：2015-02-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younsun KIM ,  Cheng SHAN ,  Juho LEE ,  Hyojin LEE ,  Kiil KIM ,  Joonyoung CHO ,  Hyoungju JI ,  Sangmin RO ,  Seunghoon CHOI

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/0456 ,  H04L1/00 ,  H04L1/02 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/00 ,  H04W72/0406

Abstract: A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment.

公开(公告)号：US20150131602A1

公开(公告)日：2015-05-14

申请号：US14605422

申请日：2015-01-26

Applicant: Samsung Electronics Co., Ltd.

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

IPC: 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.

Abstract translation: 提供了定义物理信道发射/接收定时和资源分配的方法，用于支持载波聚合的时分双工（TDD）通信系统中。 一种用于在基站中从支持主小区和至少一个辅助小区的载波聚合的时分双工（TDD）系统中的终端接收混合自动重传请求（HARQ）确认的方法包括：发送下行链路物理信道 通过所述主小区之一，在对于所述主小区预定的第一定时接收对应于所述主小区的所述下行物理信道的所述HARQ确认，以及在所述第二小区接收对应于所述辅助小区的所述下行链路物理信道的所述HARQ确认 定时，其中根据第一定时确定第二定时。