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公开(公告)号：US10342048B2
公开(公告)日：2019-07-02
申请号：US15579185
申请日：2016-05-30
Inventor： Sunheui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
Abstract: The present disclosure relates to a 5G communication system or a pre-5G communication system for supporting higher data transmission rate compared to beyond 4G communication system such as LTE. A terminal, according to various embodiments of the present disclosure, comprises: a reception unit for receiving pilot signals; a processor for measuring reception strength of the pilot signals, determining beam-based random access participation on the basis of the measured reception strength, and controlling for an attempt for a beam-based random access if a random access is beam-based random access participation and an attempt for normal random access if not; and a transmission unit for transmitting a random access signal on the basis of the random access attempt.
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公开(公告)号：US10314080B2
公开(公告)日：2019-06-04
申请号：US15531392
申请日：2015-11-24
Inventor： Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
Abstract: The present disclosure relates to a 5G or pre-5G communication system that will be provided to support higher data transfer rate following a 4G communication system such as LTE. The present disclosure relates to a method of performing random access of a terminal, said method comprising: an operation of determining the number of received beams of a base station connected to transmitted beams of the terminal; an operation of determining an area of wireless transfer resource on the basis of the number of the received beams; and an operation of transmitting random access message in the random access resource defined by the beam resource corresponding to the determined number and the wireless transfer resource corresponding to the determined area.
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公开(公告)号：US09967794B2
公开(公告)日：2018-05-08
申请号：US14912896
申请日：2014-08-08
Inventor： Sung-Jin Park , Min-Hoe Kim , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W36/30 , H04W24/10 , H04W36/08 , H04W48/20 , H04W52/0216 , H04W76/28 , Y02D70/00 , Y02D70/124 , Y02D70/1262 , Y02D70/146 , Y02D70/21 , Y02D70/24 , Y02D70/25
Abstract: Provided are two types of schemes capable of reducing power consumption of a User Equipment (UE). The first scheme is to select a set capable of minimizing power consumption of the UE when the UE enters a sleep mode. The second scheme is a handover scheme in which the UE having entered the sleep mode maintains the sleep mode corresponding to a cooperative Base Station (BS) set in a handover of the UE.
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公开(公告)号：US20170164337A1
公开(公告)日：2017-06-08
申请号：US15368536
申请日：2016-12-02
Inventor： Sun-Heui Ryoo , Dongseok Roh , Minhoe Kim , Dong-Ho Cho , Nam-I Kim
CPC classification number: H04W4/08 , H04L1/1854 , H04L1/1887 , H04L5/0037 , H04L5/0055 , H04L5/1469 , H04W72/0446
Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting data in a base station (BS) in a communication system is provided. The method includes transmitting data to a plurality of stations (STAs) included in a group on a first sub-frame based on a schedule preset based on a time division duplexing (TDD) scheme; and receiving acknowledgement (ACK) signals from each of the plurality of STAs on a second sub-frame after a first interval from the first sub-frame.
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公开(公告)号：US09648536B2
公开(公告)日：2017-05-09
申请号：US14025551
申请日：2013-09-12
Inventor： Hyun-Jeong Kang , Sung-Jin Park , Byung-Chang Chung , Min-Hoe Kim , Jung-Min Moon , Dong-Ho Cho
Abstract: A method for handover in a wireless communication system includes: when a received signal strength difference between a serving beam from a serving base station used for communication by a terminal and a target beam of a neighboring base station is equal to or greater than a first threshold value, and a received signal strength difference between an active beam and the target beam is equal to or greater than a second threshold value, determining a handover to the target beam; and transmitting a message to initiate the handover.
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Patent Agency Ranking
16.发明申请公开(公告)号：US20160066197A1
公开(公告)日：2016-03-03
申请号：US14839751
申请日：2015-08-28
Inventor： Sung-Jin Park , Min-Hoe Kim , Dong-Ho Cho , Sun-Heui Ryoo
CPC classification number: H04W16/28 , H04B7/0617 , H04B7/0695 , H04B7/086 , H04B7/088 , H04W52/50
Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).Provided is a method for setting a beam in a mobile communication system. The method includes determining at least one of a beam width and a beam direction in consideration of a criteria value in response to a failure of a random access attempt, and retransmitting a beam based on the determined at least one of the beam width or the beam direction. The criteria value includes at least one of a beam gain history of a candidate beam combination and a previous transmission failure history.
Abstract translation: 本公开涉及提供用于支持更高数据速率的第5代（5G）或5G通信系统超越第四代（4G）通信系统，例如长期演进（LTE）。 提供了一种用于在移动通信系统中设置波束的方法。 该方法包括响应于随机接入尝试的故障考虑到准则值来确定波束宽度和波束方向中的至少一个，以及基于所确定的波束宽度或波束中的至少一个来重传波束 方向。 标准值包括候选波束组合的波束增益历史和先前的传输失败历史中的至少一个。
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17.发明授权Apparatus and method for transmitting and receiving reference signal in wireless communication system 有权无线通信系统中发送和接收参考信号的装置和方法公开(公告)号：US09155090B2
公开(公告)日：2015-10-06
申请号：US13780775
申请日：2013-02-28
Inventor： Jung-Min Moon , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W72/042 , H04L1/0026 , H04L5/0007 , H04L5/0037 , H04L5/005 , H04L5/0062 , H04L2001/0093 , H04W72/082
Abstract: An apparatus and a method for transmitting and receiving a reference signal in a wireless communication system are provided. The method includes determining a cluster-specific reference signal configuration according a cluster configuration, transmitting information about the cluster-specific reference signal configuration, and transmitting cluster-specific reference signals of at least one cluster according to the cluster-specific reference signal configuration.
Abstract translation: 提供了一种用于在无线通信系统中发送和接收参考信号的装置和方法。 该方法包括根据集群配置来确定集群特定参考信号配置，发送关于集群特定参考信号配置的信息，以及根据集群特定参考信号配置发送至少一个集群的集群特定参考信号。
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公开(公告)号：US10999872B2
公开(公告)日：2021-05-04
申请号：US16428836
申请日：2019-05-31
Inventor： Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
Abstract: The present disclosure relates to a 5G or pre-5G communication system that will be provided to support higher data transfer rate following a 4G communication system such as LTE. The present disclosure relates to a method of performing random access of a terminal, said method comprising: an operation of determining the number of received beams of a base station connected to transmitted beams of the terminal; an operation of determining an area of wireless transfer resource on the basis of the number of the received beams; and an operation of transmitting random access message in the random access resource defined by the beam resource corresponding to the determined number and the wireless transfer resource corresponding to the determined area.
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19.发明授权公开(公告)号：US10484996B2
公开(公告)日：2019-11-19
申请号：US15579722
申请日：2016-06-01
Inventor： Sunheui Ryoo , Nam-I Kim , Sung-Jin Park , Dong-Ho Cho
Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A base station operation method in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: determining, on the basis of channel information received from each of a plurality of terminals, power to be used by each of the plurality of terminals with respect to resources allocated to be overlaid and used by the plurality of terminals; and transmitting resource information, which comprises information about the determined power, to each of the plurality of terminals.
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公开(公告)号：US10334524B2
公开(公告)日：2019-06-25
申请号：US15713298
申请日：2017-09-22
Inventor： Jung-Min Moon , Minhoe Kim , Dong Seok Roh , Dong-Ho Cho
Abstract: A 5th Generation (5G) or pre-5G communication system for supporting a higher data rate than a 4G communication system such as Long Term Evolution (LTE) is provided. A method of an evolved Node B (eNB) can include detecting a collision caused by first data received from a first terminal in a time resource for contention-based uplink data transmission and second data received from a second terminal in the time resource, determining a first delay value in first data retransmission using a dedicated scheduling scheme, and determining a second delay value in the first data retransmission using a contention-based uplink data transmission scheme, determining a scheme for retransmitting the first data based on the first delay value and the second delay value, and transmitting information indicating the determined scheme to the first terminal.
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