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：US20130267268A1

公开(公告)日：2013-10-10

申请号：US13856134

申请日：2013-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyojin LEE ,  Younsun KIM ,  Kiil KIM ,  Juho LEE

IPC: H04B7/06

CPC classification number: H04B7/0632 ,  H04B7/024 ,  H04B7/063 ,  H04B7/0639 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0078 ,  H04L5/0094

Abstract: A Channel State Information (CSI) transmission/reception method and an apparatus for transmitting/receiving CSI efficiently in a Coordinated Multi-Point (CoMP) communication system are provided. The CSI transmission method of a terminal for receiving Joint Transmission (JT) from a first Transmission Point (TP) and a second TP includes receiving a first CSI Reference Signal (CSI-RS) corresponding to the first TP, receiving a second CSI-RS corresponding to the second TP, generating an aggregated CSI corresponding to the first and second CSI-RSs, and transmitting the aggregated CSI, wherein generating an aggregated CSI comprising creating the aggregated CSI with a transmission timing of the aggregated CSI. The CSI transmission/reception method and apparatus is capable of transmission CSI efficiently in the CoMP system.

公开(公告)号：US20130163457A1

公开(公告)日：2013-06-27

申请号：US13728510

申请日：2012-12-27

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Korea National University of Transportation

Inventor： Kiil KIM ,  Cheol MUN ,  Younsun KIM ,  Juho LEE ,  Hyojin LEE ,  Joonyoung CHO

IPC: H04W24/02

CPC classification number: H04W24/02 ,  H04B7/0417 ,  H04B7/0478 ,  H04B7/0639 ,  H04L5/0023 ,  H04L25/0204 ,  H04W16/28 ,  H04W72/085

Abstract: A Channel State Information (CSI) feedback method and apparatus is provided for transmitting, at a base station, the CSIs for plural transmit antennas with a limited amount resource and receiving, at a mobile station, the CSIs efficiently in a massive Multiple Input Multiple Output (MIMO) system operating in the Frequency Division Duplex (FDD) mode.

Abstract translation: 提供了一种信道状态信息（CSI）反馈方法和装置，用于在基站处发送具有有限资源资源的多个发射天线的CSI，并在移动台以高质量的多输入多输出方式接收CSI （MIMO）系统以频分双工（FDD）模式工作。

公开(公告)号：US20220394644A1

公开(公告)日：2022-12-08

申请号：US17892511

申请日：2022-08-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joontae KIM ,  Kiil KIM ,  Hyunseok YU

IPC: H04W56/00 ,  H04B17/318 ,  H04W24/10 ,  H04B17/336 ,  H04W72/04

Abstract: A method of operating a wireless communication device for correcting an offset between a base station and the wireless communication device includes determining whether to perform offset correction using a first target synchronization signal block (SSB) to generate a determination result in response to changing a selected reception beam from a first reception beam to a second reception beam in an SSB period, the first target SSB being received via the second reception beam, and performing the offset correction on the second reception beam using at least one first neighbor SSB based on the determination result, the at least one first neighbor SSB being received via the first reception beam.

公开(公告)号：US20210168777A1

公开(公告)日：2021-06-03

申请号：US17172639

申请日：2021-02-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun KIM ,  Aris PAPASAKELLARIOU ,  Kiil KIM ,  Juho LEE ,  Hyojin LEE ,  Joonyoung CHO

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

Abstract: A channel transmission/reception method and an apparatus for transmitting/receiving channels between a base station and a mobile terminal efficiently in a mobile communication supporting massive Multiple Input Multiple Output (MIMO) transmission are provided. The method includes determining a resource to which a Demodulation Reference Signal (DMRS) addressed to a terminal is mapped within a resource block, the DMRS resource being positioned in at least one of a first resource set capable of being allocated for DMRS and a second resource set symmetric with the first resource set on a time axis, and transmitting the DMRS and DMRS allocation information to the terminal.

公开(公告)号：US20200053708A1

公开(公告)日：2020-02-13

申请号：US16658993

申请日：2019-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun KIM ,  Aris PAPASAKELLARIOU ,  Kiil KIM ,  Juho LEE ,  Hyojin LEE ,  Joonyoung CHO

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

Abstract: A channel transmission/reception method and an apparatus for transmitting/receiving channels between a base station and a mobile terminal efficiently in a mobile communication supporting massive Multiple Input Multiple Output (MIMO) transmission are provided. The method includes determining a resource to which a Demodulation Reference Signal (DMRS) addressed to a terminal is mapped within a resource block, the DMRS resource being positioned in at least one of a first resource set capable of being allocated for DMRS and a second resource set symmetric with the first resource set on a time axis, and transmitting the DMRS and DMRS allocation information to the terminal.

公开(公告)号：US20150372742A1

公开(公告)日：2015-12-24

申请号：US14839205

申请日：2015-08-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Younsun KIM ,  Kiil KIM ,  Juho LEE

IPC: H04B7/06 ,  H04B7/02

CPC classification number: H04B7/0632 ,  H04B7/024 ,  H04B7/063 ,  H04B7/0639 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0078 ,  H04L5/0094

Abstract: A Channel State Information (CSI) transmission/reception method and an apparatus for transmitting/receiving CSI efficiently in a Coordinated Multi-Point (CoMP) communication system are provided. The CSI transmission method of a terminal for receiving Joint Transmission (JT) from a first Transmission Point (TP) and a second TP includes receiving a first CSI Reference Signal (CSI-RS) corresponding to the first TP, receiving a second CSI-RS corresponding to the second TP, generating an aggregated CSI corresponding to the first and second CSI-RSs, and transmitting the aggregated CSI, wherein generating an aggregated CSI comprising creating the aggregated CSI with a transmission timing of the aggregated CSI. The CSI transmission/reception method and apparatus is capable of transmission CSI efficiently in the CoMP system.

Abstract translation: 提供了一种在协调式多点（CoMP）通信系统中有效地发送/接收CSI的信道状态信息（CSI）发送/接收方法和装置。 用于从第一传输点（TP）和第二TP接收联合传输（JT）的终端的CSI传输方法包括接收对应于第一TP的第一CSI参考信号（CSI-RS），接收第二CSI-RS 对应于第二TP，生成对应于第一和第二CSI-RS的聚合CSI，并发送聚合CSI，其中生成聚合CSI包括利用聚合CSI的发送定时创建聚合CSI。 CSI发送/接收方法和装置能够在CoMP系统中有效地发送CSI。

公开(公告)号：US20180310318A1

公开(公告)日：2018-10-25

申请号：US16017496

申请日：2018-06-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun KIM ,  Kiil KIM ,  Hyojin LEE

IPC: H04W72/08

CPC classification number: H04W72/082 ,  H04B7/022 ,  H04B17/24 ,  H04B17/318 ,  H04B17/336 ,  H04B17/345 ,  H04J11/0026 ,  H04J11/005 ,  H04L5/0048 ,  H04L5/0073 ,  H04W88/085 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/146 ,  Y02D70/442

Abstract: A method of a base station in a wireless communication system, a method of a terminal, a base station, and a terminal are provided. The method of the base station includes transmitting configuration information on measuring a channel state, wherein the configuration information includes first information on a first resource for a channel measurement and second information on a second resource for an interference measurement; transmitting a channel state information reference signal (CSI-RS) associated with the first resource; and receiving channel state information based on the first resource and the second resource, and wherein the second resource is a resource for muting data transmission, and wherein the second resource is one of resources for muting data transmission which are configured to a user equipment (UE).

公开(公告)号：US20160353458A1

公开(公告)日：2016-12-01

申请号：US15234574

申请日：2016-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Juho LEE ,  Kiil KIM ,  Younsun KIM

IPC: H04W72/08 ,  H04B7/06 ,  H04L5/00 ,  H04B7/02

CPC classification number: H04W72/085 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0007 ,  H04L5/0035 ,  H04L5/0048 ,  H04L25/0204 ,  H04W24/10 ,  H04W72/042

Abstract: A method and an apparatus for transmitting and receiving a feedback signal in a cellular mobile communication system is provided. The method of transmitting feedback in a Cooperative Multi-Point (CoMP) system, includes receiving feedback set information including allocation information of a Channel Status Information Reference Signal (CSI-RS) transmitted for estimating a channel of a User Equipment (TIE), receiving IDentification (ID) information for identifying a CoMP set including CSI-RS allocation information from a cell operating in a CoMP mode, extracting the CoMP set using the ID information and a feedback set, detecting a first feedback mode and first feedback timing with a first CSI-RS not included in the CoMP set among CSI-RSs included in the feedback set, and generating and transmitting feedback with respect to the first CSI-RS according to the detected first feedback mode and the first feedback timing.

Abstract translation: 提供了一种用于在蜂窝移动通信系统中发送和接收反馈信号的方法和装置。 在协同多点（CoMP）系统中发送反馈的方法包括：接收反馈集信息，包括发送用于估计用户设备（TIE）的信道的信道状态信息参考信号（CSI-RS）的分配信息，接收 用于识别来自以CoMP模式运行的单元的CSI-RS分配信息的CoMP集合的识别（ID）信息，使用ID信息提取CoMP集合和反馈集合，用第一个反馈模式和第一反馈模式检测第一反馈模式和第一反馈定时 CSI-RS不包括在包括在反馈集合中的CSI-RS之间的CoMP集合中，以及根据检测到的第一反馈模式和第一反馈定时产生和发送关于第一CSI-RS的反馈。

公开(公告)号：US20160014756A1

公开(公告)日：2016-01-14

申请号：US14861434

申请日：2015-09-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Younsun KIM ,  Kiil KIM ,  Youngbum KIM

IPC: H04W72/04 ,  H04B17/309 ,  H04L5/00

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04L5/0035 ,  H04L5/0048 ,  H04W28/04 ,  H04W48/20 ,  H04W72/082 ,  H04W72/085

Abstract: Methods and apparatuses are provided for transmitting channel information, by a User Equipment (UE). Information for at least one first type Channel Status Information Reference Signal (CSI-RS) and information for at least one second type CSI-RS from an eNB, are identified. First channel information is generated based on a first set of a first type CSI-RS and a second type CSI-RS. Second channel information is generated based on a second set of a first type CSI-RS and a second type CSI-RS. The first channel information is reported by Physical Uplink Control CHannel (PUCCH)-based periodic channel information feedback. The second channel information is reported by the PUCCH-based periodic channel information feedback.

Abstract translation: 提供用于由用户设备（UE）发送信道信息的方法和装置。 识别用于至少一个第一类型信道状态信息参考信号（CSI-RS）的信息和来自eNB的至少一个第二类型CSI-RS的信息。 基于第一类型的CSI-RS和第二类型CSI-RS生成第一信道信息。 基于第一类型的CSI-RS和第二类型CSI-RS的第二组生成第二信道信息。 第一信道信息由物理上行链路控制信道（PUCCH）的周期性信道信息反馈报告。 通过基于PUCCH的周期性信道信息反馈来报告第二信道信息。