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公开(公告)号:US09955477B2
公开(公告)日:2018-04-24
申请号:US14700975
申请日:2015-04-30
发明人: Anshuman Nigam , Jung-Soo Jung , Sun-Heui Ryoo , Jung-Min Moon , Sung-Jin Lee
CPC分类号: H04W72/082 , H04B1/7083 , H04B7/2048 , H04J11/0083 , H04L5/00 , H04L5/005 , H04L5/0051 , H04L5/0091 , H04W52/028 , H04W56/001 , H04W72/0446 , H04W72/085 , Y02D70/1262 , Y02D70/24 , Y02D70/446
摘要: A method for controlling a cell state corresponding to whether to transmit a signal, on a subframe basis by an evolved Node B (eNB) in a wireless communication system is provided. The method includes determining a cell state of at least one subframe included in each of an N-th frame and an (N−1)-th frame, and at the start of the N-th frame, transmitting to a user equipment (UE), information about cell states of all subframes belonging to the N-th frame and information about cell states of all subframes belonging to the (N−1)-th frame.
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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
发明人: Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
CPC分类号: H04W74/0833 , H04W16/28 , H04W84/042
摘要: 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:US11265778B2
公开(公告)日:2022-03-01
申请号:US16859119
申请日:2020-04-27
发明人: Jung-Min Moon , Anshuman Nigam , Jung-Soo Jung , Sun-Heui Ryoo , Sung-Jin Lee
摘要: A method and an apparatus for controlling a waiting time related to determination of a radio link failure in a wireless communication system are provided. The method includes receiving a message from a network, if a first timer for determination of the radio link failure is running and the message includes timer information related to the waiting time, starting a second timer related to the waiting time based on the timer information, and if the second timer expires before expiration of the first timer, determining a channel situation of a serving cell as a situation of the radio link failure.
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公开(公告)号:US11184815B2
公开(公告)日:2021-11-23
申请号:US16676012
申请日:2019-11-06
发明人: Jung-Soo Jung , Jung-Min Moon , Jong-Hyung Kwun , Sun-Heui Ryoo , Sung-Jin Lee
摘要: 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 method of setting a handover parameter includes receiving, from a serving evolved NodeB (eNB), cell type information indicating eNB types of the serving eNB and eNBs adjacent to the serving eNB, and mobility information of the UE, detecting types of the serving eNB and a target eNB based on the cell type information, and setting a Time-To-Trigger (TTT) applied, the mobility information of the UE, and a received signal strength for the serving eNB.
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35.
公开(公告)号:US11050727B2
公开(公告)日:2021-06-29
申请号:US16801962
申请日:2020-02-26
发明人: Sun-Heui Ryoo , Soeng-Hun Kim , Jung-Soo Jung , Jung-Min Moon , Anshuman Nigam , Sung-Jin Lee
IPC分类号: H04M1/66 , H04M1/68 , H04M3/16 , H04L29/06 , H04W12/02 , H04W12/04 , H04W12/041 , H04W12/0431 , H04W36/00
摘要: 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 method for communicating by a user equipment with a macro cell base station and a small cell base station in a communication system is provided. The method comprises applying a first base station security key to a first communication link with the macro cell base station; generating a second base station security key to be used for a second communication link with the small cell base station based on the first base station security key; applying the second base station security key to the second communication link with the small cell base station; and communicating through at least one of the first communication link and the second communication link.
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公开(公告)号:US11006459B2
公开(公告)日:2021-05-11
申请号:US16676363
申请日:2019-11-06
发明人: Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
摘要: 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:US10945102B2
公开(公告)日:2021-03-09
申请号:US15368536
申请日:2016-12-02
发明人: Sun-Heui Ryoo , Dongseok Roh , Minhoe Kim , Dong-Ho Cho , Nam-I Kim
摘要: 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:US10834682B2
公开(公告)日:2020-11-10
申请号:US16670335
申请日:2019-10-31
发明人: Sun-Heui Ryoo , Jung-Soo Jung , Hyun-Jeong Kang , Jong-Hyung Kwun , Sung-Jin Lee
摘要: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.
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39.
公开(公告)号:US10659993B2
公开(公告)日:2020-05-19
申请号:US15754109
申请日:2016-08-11
发明人: Sun-Heui Ryoo , Jung-Soo Jung , Ra-Yeon Ahn , Ji-Won Hwang
IPC分类号: H04W68/02 , H04W28/08 , H04J11/00 , H04L5/00 , H04W48/16 , H04W48/14 , H04L1/00 , H04L12/805 , H04W72/12
摘要: The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.
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40.
公开(公告)号:US10383103B2
公开(公告)日:2019-08-13
申请号:US15565403
申请日:2016-04-05
摘要: Disclosed is a 5G or pre-5G communication system provided so as to support a data transmission rate higher than that of a 4G communication system, such as LTE. A method and a device for transmitting information in a communication system are disclosed. The method for allocating resources in a cellular network using an unlicensed band comprises the steps of: generating at least one resource allocation signal containing information indicating a plurality of continuous uplink subframes capable of communicating through the unlicensed band; transmitting the resource allocation signal to a user equipment (UE) through the unlicensed band for the duration of at least one downlink subframe; and receiving uplink data from the UE for the duration of the continuous uplink subframes.
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