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公开(公告)号：US09794899B2
公开(公告)日：2017-10-17
申请号：US14790595
申请日：2015-07-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jung-Min Moon , Anshuman Nigam , Jung-Soo Jung , Sun-Heui Ryoo , Sung-Jin Lee
CPC classification number: H04W56/00 , H04L5/001 , H04L5/0035 , H04L5/0048 , H04L5/0073 , H04W16/14 , H04W74/0808
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 method and an apparatus for operating a base station and a terminal in a wireless communication system using an unlicensed band are provided. The base station can determine at least one channel in at least one unlicensed band using one of a single channel operation and a multi-channel operation, acquire the at least one channel according to a data transmission request, and transmit a channel preservation signal until a start point of a first subframe transmitted on the acquired at least one channel.
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公开(公告)号：US20220322168A1
公开(公告)日：2022-10-06
申请号：US17843467
申请日：2022-06-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyun-Jeong Kang , Sun-Heui Ryoo , Jung-Soo Jung , Sang-Wook Kwon , Jong-Hyung Kwun , Suk-Won Kim , June Hwang
Abstract: The objective of the present invention is to provide services by effectively switching, by a terminal, a macro cell and a small cell on the basis of time in a communication system in which the macro cell and the small cell coexist. A method for operating a terminal in a wireless communication system comprises the steps of: transmitting, to a first base station and/or a second base station, information on a switching delay time required for the terminal to perform cell switching; and communicating through a resource of the first base station and a resource of the second base station which are allocated by considering the switching delay time.
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公开(公告)号：US10924967B2
公开(公告)日：2021-02-16
申请号：US16133145
申请日：2018-09-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jung-Soo Jung , Jung-Min Moon , Jong-Hyung Kwun , Sun-Heui Ryoo , Sung-Jin Lee
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 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.-
公开(公告)号：US10333654B2
公开(公告)日：2019-06-25
申请号：US15565399
申请日：2016-03-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jung-Min Moon , Seung-Hoon Park , Jung-Soo Jung , Sun-Heui Ryoo , Byoung-Hoon Jung
Abstract: The present invention relates to 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication system such as LTE. The present invention provides a method and a device for executing a hybrid automatic repeat request (HARQ) through a channel in an unlicensed frequency band. More particularly, a method for executing a HARQ through a channel in an unlicensed frequency band in a terminal of a communication system comprises the procedures of: requesting uplink scheduling; if a first uplink (UL) grant with respect to the scheduling request is received, sensing whether or not a channel is clear; transmitting first uplink data on the basis of whether or not the channel is clear; if negative acknowledge (NACK) with respect to the first uplink grant and a second uplink grant are received, sensing whether or not the channel is clear; and transmitting second uplink data and an indicator, which indicates whether or not the second uplink data transmission is a retransmission, on the basis of whether or not the channel is clear, wherein the indicator, which indicates for retransmission, is determined on the basis of a reference signal (RS) detection failure indicator, of a base station, which is transmitted from the base station together with the second uplink grant.
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公开(公告)号：US10237810B2
公开(公告)日：2019-03-19
申请号：US15115651
申请日：2015-01-29
Applicant: Samsung Electronics Co., Ltd
Inventor： Anshuman Nigam , Jung-Soo Jung , Sun-Heui Ryoo , Jung-Min Moon , Sung-Jin Lee
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 processing System Information (SI) by a User Equipment (UE) in a mobile communication system. The method includes receiving, from a first base station (BS), information related to change of SI; and waiting for reception of changed SI based on the information.
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Patent Agency Ranking
公开(公告)号：US10219201B2
公开(公告)日：2019-02-26
申请号：US15100289
申请日：2014-11-19
Applicant: Samsung Electronics Co., Ltd
Inventor： Jung-Soo Jung , Hyun-Jeong Kang , Sang-Wook Kwon , Jong-Hyung Kwun , Suk-Won Kim , Sun-Heui Ryoo , Bong-Jhin Shin , Sung-Jin Lee
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). The purpose of the present disclosure is to discover a small cell in a wireless communication system. An operation of a terminal in the wireless communication system includes receiving a first signal for informing of existence of a small cell according to a first measurement period and attempting to detect the first signal and a second signal for informing of a service coverage of the small cell according to a second measurement period after detecting the first signal. In addition, the present disclosure also includes embodiments other than the embodiment described above.
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27.发明授权公开(公告)号：US10142299B2
公开(公告)日：2018-11-27
申请号：US15895633
申请日：2018-02-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sun-Heui Ryoo , Soeng-Hun Kim , Jung-Soo Jung , Jung-Min Moon , Anshuman Nigam , Sung-Jin Lee
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 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：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：US10034208B2
公开(公告)日：2018-07-24
申请号：US15032942
申请日：2014-11-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jung-Min Moon , Sung-Jin Lee , Jung-Soo Jung , Sun-Heui Ryoo
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). The present disclosure is to perform connection re-establishment in a mobile communication system, wherein a method for operating a terminal in a mobile communication system includes: receiving, from a base station, a message informing whether to support to fetching a context of the terminal; and determining whether at least one base station supports to fetching the context based on the message. In addition, the present invention includes other embodiments as well as the above-described embodiments.
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30.发明申请公开(公告)号：US20180139767A1
公开(公告)日：2018-05-17
申请号：US15524935
申请日：2015-11-09
Applicant: Samsung Electronics Co., Ltd
Inventor： Sung-Jin Lee , Jung-Soo Jung , Sun-Heui Ryoo , Jung-Min Moon
CPC classification number: H04W72/1205 , H04L1/16 , H04L5/001 , H04L5/0053 , H04L5/0098 , H04W16/14 , H04W72/0446 , H04W72/1273 , H04W72/1289 , H04W74/0808
Abstract: The present disclosures provides a method in a communication system for scheduling, by a base station, a terminal which uses an unlicensed band channel, comprising: a step in which a base station transmits scheduling information with respect to an unlicensed band to a terminal through a licensed band channel in a first subframe; a step in which the base station performs a search for the unlicensed band channel; and a step in which, if the search for the unlicensed band channel is successful, downlink data is transmitted to the terminal through the unlicensed band channel on the basis of the scheduling information.
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