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171.发明授权公开(公告)号：US09929841B2
公开(公告)日：2018-03-27
申请号：US15018300
申请日：2016-02-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongjun Kwak , Younsun Kim , Hyojin Lee , Juho Lee
CPC classification number: H04L5/0048 , H04L5/0037 , H04L5/0046 , H04L5/0073 , H04L5/0091 , H04L27/0012
Abstract: Methods and a base station are provided for transmitting a serving signal to a User Equipment (UE) by the base station. The method includes generating modulation order information for determining a modulation order of an interference signal, and transmitting the serving signal with the modulation order information in a resource allocated to the UE.
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172.发明授权公开(公告)号：US09826471B2
公开(公告)日：2017-11-21
申请号：US15383404
申请日：2016-12-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngbum Kim , Joonyoung Cho , Yongjun Kwak , Juho Lee , Hyojin Lee , Hyoungju Ji , Younsun Kim , Sangmin Ro , Seunghoon Choi
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.
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公开(公告)号：US09806780B2
公开(公告)日：2017-10-31
申请号：US14720239
申请日：2015-05-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyoungju Ji , Younsun Kim , Juho Lee , Hyojin Lee , Youngwoo Kwak
CPC classification number: H04B7/0478 , H04B1/707 , H04B7/0486 , H04B7/0617 , H04B7/0626 , H04B7/0632 , H04B7/0639 , H04B7/0658 , H04J11/00
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. Provided are a method and user equipment for sending feedback information to a base station. The method includes receiving a Channel Status Indication Reference Signal (CSI-RS) from the base station; generating feedback information on a basis of the received CSI-RS; and transmitting the generated feedback information to the base station, wherein generating feedback information includes selecting a precoding matrix for each antenna port group of the base station and selecting an additional precoding matrix on a basis of a relationship between the antenna port groups of the base station.
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公开(公告)号：US09722747B2
公开(公告)日：2017-08-01
申请号：US14687287
申请日：2015-04-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Younsun Kim , Juho Lee , Hyojin Lee
CPC classification number: H04L5/0048 , H04B7/024 , H04L27/2613 , H04L27/2655 , H04W72/042 , H04W76/25 , H04W88/08
Abstract: A data transmission method and an apparatus in a network supporting coordinated multipoint transmission are provided. The method includes transmitting candidate sets of initial state information used to generate Demodulation Reference Signal (DMRS) scrambling sequences for the transmission points to the UE, and transmitting an indication corresponding to at least one candidate set of initial state information respectively associated with at least one transmission point to the UE, wherein the initial state information is used by the UE to generate DMRS scrambling sequences.
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公开(公告)号：US09698938B2
公开(公告)日：2017-07-04
申请号：US14657337
申请日：2015-03-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyojin Lee , Youngbum Kim , Hyoungju Ji
CPC classification number: H04L1/0038 , H04J11/005 , H04L1/0045 , H04L5/0007 , H04L5/005 , H04L5/0073
Abstract: A communication method and an apparatus for transferring interference-related control information in order to enhance reception performance of a user terminal that receives downlink signals in a cellular mobile communication system based on a long term evolution-advanced (LTE-A) system are provided. The method includes receiving transmission parameters of interference, which include information on a resource by which interference data is not transmitted, performing blind detection using the information on a resource by which interference data is not transmitted, performing error correction encoding using the transmission parameters of the interference and the blind detection result, and decoding the received data.
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Patent Agency Ranking
176.发明授权公开(公告)号：US09686005B2
公开(公告)日：2017-06-20
申请号：US14765192
申请日：2014-01-29
Applicant: Samsung Electronics Co., Ltd. , Industry-Academic Cooperation Foundation, Yonsei University
Inventor： Younsun Kim , Sooyong Choi , Taehyoung Kim , Kyungsik Min , Jungkyun Park , Juho Lee , Hyojin Lee , Minchae Jung , Hyoungju Ji
IPC: H04B7/06 , H04B7/0413 , H04B7/0452 , H04B7/0456 , H04L1/06 , H04L1/00 , H04W88/08
CPC classification number: H04B7/0632 , H04B7/0413 , H04B7/0452 , H04B7/0456 , H04B7/0617 , H04B7/0639 , H04B7/0641 , H04L1/0026 , H04L1/0029 , H04L1/0072 , H04L1/0078 , H04L1/06 , H04W88/08
Abstract: Disclosed are a method and an apparatus for feeding back channel estimation in a MIMO system. A terminal receives a reference signal for estimating a channel from a base station; estimates the channel based on the reference signal; generates channel estimation information according to the channel estimation result and generates error information indicating an error of the channel estimation; and transmits feedback information including the channel estimation information and the error information to the base station.
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公开(公告)号：US09641233B2
公开(公告)日：2017-05-02
申请号：US14873829
申请日：2015-10-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Younsun Kim , Youngbum Kim , Juho Lee , Hyojin Lee , Joonyoung Cho , Hyoungju Ji , Seunghoon Choi
IPC: H04W24/00 , H04W80/04 , H04B7/04 , H04B7/0417 , H04W24/10 , H04W72/04 , H04W72/08 , H04B7/022 , H04B7/06
CPC classification number: H04B7/0486 , H04B7/022 , H04B7/04 , H04B7/0417 , H04B7/0626 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/0645 , H04W24/10 , H04W72/042 , H04W72/082
Abstract: An apparatus and a method of measuring a reference signal for efficient downlink transmission in a mobile communication system are provided. The system includes plural base stations, each having a plurality of antennas distributed in the service area thereof based on a Distributed Antenna System (DAS). A method for a base station to notify a terminal of reference signal measurement information in a mobile communication system comprises determining whether the terminal is in a Rank Indicator/Precoding Matrix Indicator (RI/PMI) disabled mode, selecting, when the terminal is in the RI/PMI disabled mode, the reference signal to be measured by the terminal between a Cell-specific Reference Signal (CRS) and a Channel Status Information Reference Signal (CSI-RS), notifying the terminal of the reference signal measurement information with the selection result, and receiving channel information generated based on the reference signal measurement information from the terminal.
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178.发明授权公开(公告)号：US09635642B2
公开(公告)日：2017-04-25
申请号：US13728450
申请日：2012-12-27
Applicant: Samsung Electronics Co., Ltd. , Industry-Academic Cooperation Foundation, Korea National University of Transportation
Inventor： Hyojin Lee , Cheol Mun , Kiil Kim , Younsun Kim , Juho Lee , Joonyoung Cho
CPC classification number: H04W72/04 , H04B7/0617 , H04B7/0626 , H04B7/0695 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/06 , H04L5/0023 , H04L5/0048 , H04L5/0091 , H04L5/143
Abstract: Methods and apparatus are provided for beamforming and information feedback are provided. Signals for beams to be transmitted through corresponding antenna ports, are generated. The beams are formed by precoding the signals with beamforming vectors. The beams are sorted into a number of resource reuse groups based on a resource that is to be shared. The beams are transmitted, using resources allocated per group, to a receiver. Feedback information is generated on at least one antenna port, based on the received beams. The feedback information is transmitted to the transmitter. A beam is selected having a greatest gain for a transmitter using the feedback information. A transmission resource is allocated for the selected beam.
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179.发明授权公开(公告)号：US09596012B2
公开(公告)日：2017-03-14
申请号：US14785151
申请日：2014-04-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyoungyoul Yu , Younsun Kim , Hyojin Lee , Hyoungju Ji
CPC classification number: H04B7/0456 , H04B7/0473 , H04B7/0617 , H04B7/0619 , H04B7/0626 , H04B7/063 , H04L1/0026 , H04L1/0027
Abstract: The present specification relates to a precoding-related information transmitting or receiving method and apparatus. A precoder-related information receiving method by a user equipment according to an embodiment of the present specification comprises the steps of: transmitting an aperiodic channel state information (CSI) report; receiving a rank indicator and a first precoder indicator from a base station; acquiring a second precoder indicator included in the most recent aperiodic CSI report which corresponds to the rank indicator in the aperiodic CSI reports transmitted by the user equipment; and receiving a signal using the first precoder indicator and the second precoder indicator. According to an embodiment of the present specification, precoding-related information can be effectively transmitted or received.
Abstract translation: 本说明书涉及预编码相关的信息发送或接收方法和装置。 根据本说明书的实施例的用户设备的预编码器相关信息接收方法包括以下步骤：发送非周期信道状态信息（CSI）报告; 从基站接收秩指示符和第一预编码器指示符; 获取包含在最近的非周期性CSI报告中的第二预编码器指示符，该报告对应于由用户设备发送的非周期性CSI报告中的秩指示符; 以及使用所述第一预编码器指示符和所述第二预编码器指示符接收信号。 根据本说明书的实施例，可以有效地发送或接收预编码相关信息。
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180.发明授权公开(公告)号：US09420596B2
公开(公告)日：2016-08-16
申请号：US14587510
申请日：2014-12-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyojin Lee , Juho Lee , Kiil Kim , Younsun Kim
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 (UE), 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.
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