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公开(公告)号：US10064069B2
公开(公告)日：2018-08-28
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: A method for setting a beam in a mobile communication system 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.
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公开(公告)号：US20180084495A1
公开(公告)日：2018-03-22
申请号：US15713298
申请日：2017-09-22
Inventor： Jung-Min Moon , Minhoe Kim , Dong Seok Roh , Dong-Ho Cho
CPC classification number: H04W52/0216 , H04L1/18 , H04L5/0048 , H04L5/0051 , H04L5/0055 , H04W72/0446 , H04W72/082 , H04W72/10 , H04W74/0841 , H04W74/0858 , Y02D70/00 , Y02D70/10 , Y02D70/12 , Y02D70/126 , Y02D70/1262 , Y02D70/142 , Y02D70/21
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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公开(公告)号：US20170318608A1
公开(公告)日：2017-11-02
申请号：US15531392
申请日：2015-11-24
Inventor： Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
CPC classification number: H04W74/0833 , H04W16/28 , H04W84/042
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：US20160192392A1
公开(公告)日：2016-06-30
申请号：US14912072
申请日：2014-08-06
Inventor： Sung-Jin Park , Min-Hoe Min-Hoe , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W74/008 , H04W72/02 , H04W72/0446 , H04W72/085 , H04W74/0875
Abstract: The present invention can reduce the clashing of random accesses by assigning a random access priority according to the number of links. A method for random access from a terminal in a virtual cell network system according to an embodiment of the present invention comprises the steps of determining the number of links that are connected to the terminal; selecting a random access set for random access on the basis of the number of links; selecting a slot resource for random access from the random access set on the basis of the number of links; and performing a random access over the slot resource, wherein the slot resource includes a common resource held by a plurality of base stations.
Abstract translation: 本发明可以通过根据链路的数量分配随机接入优先级来减少随机接入的冲突。 根据本发明的实施例的从虚拟小区网络系统中的终端进行随机接入的方法包括以下步骤：确定连接到终端的链路的数量; 基于链路数量选择随机接入的随机接入集; 基于链路数量从随机接入集中选择用于随机接入的时隙资源; 以及对所述时隙资源执行随机接入，其中所述时隙资源包括由多个基站保持的公共资源。
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5.发明申请METHOD AND APPARATUS FOR OPERATING IDLE MODE IN WIRELESS COMMUNICATION SYSTEMS 有权在无线通信系统中操作空闲模式的方法和装置公开(公告)号：US20140295896A1
公开(公告)日：2014-10-02
申请号：US14226679
申请日：2014-03-26
Inventor： Hyun-Jeong Kang , Min-Hoe Kim , Sung-Jin Park , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W68/005 , H04W52/0212 , Y02D70/00
Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.
Abstract translation: 提供了一种用于在无线通信系统中操作空闲模式的方法和装置。 该方法包括：接收通过至少一个基站（BS）从订户站（SS）进入空闲模式的第一消息，响应于第一消息的接收来选择MS是否进入空闲模式，其中 属于寻呼组的BS广播用于MS的寻呼消息，或者MS是否要进入半空闲模式，其中属于作为寻呼组的子集的半空闲寻呼组的BS广播寻呼消息 并且如果选择了半空闲模式，则发送寻呼通知信息，指示属于半空闲寻呼组的BS广播SS的寻呼消息。
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Patent Agency Ranking
公开(公告)号：US11296405B2
公开(公告)日：2022-04-05
申请号：US16006113
申请日：2018-06-12
Inventor： Dong-Ho Cho , Yun-Sik Kim , Lakju Sung , Sangmi Noh
Abstract: A lens antenna apparatus includes a plurality of antenna units and a lens structure configured to change a phase of an electromagnetic wave, emitted by at least one antenna unit among the plurality of antenna units. The lens structure changes the phase such that the overall outputs from the plurality of antenna units have different radiation patterns.
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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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