公开(公告)号：US11832302B2

公开(公告)日：2023-11-28

申请号：US16641993

申请日：2018-08-23

Applicant: Samsung Electronics Co., Ltd ,  Korea University Research and Business Foundation

Inventor： Seung-Hoon Park ,  Chung Gu Kang ,  Chung Kee Kim ,  Jung-Min Moon ,  Junman Lee ,  Byounghoon Jung ,  Jungsoo Jung

IPC: H04W74/08 ,  H04W16/14 ,  H04W72/0446 ,  H04W72/56

CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W72/0446 ,  H04W72/56

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). An apparatus of a base station of a first operator in a wireless communication system includes: at least one transceiver; and at least one processor operatively coupled with the at least one transceiver, and the at least one processor is configured to transmit a first signal during a first slot regarding the first operator in a contention duration, and to determine occupancy of a band in an access duration, based on a priority of the first operator, and the priority is determined according to at least one second signal which is detected before the first slot in the contention duration.

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

IPC: H04W36/00 ,  H04W36/32 ,  H04W36/04 ,  H04W36/08

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

IPC: H04W4/00 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W74/00 ,  H04W16/14

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.

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

IPC: H04W48/12 ,  H04W68/00 ,  H04W68/02 ,  H04W88/02 ,  H04W88/08

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.

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

IPC: H04M1/66 ,  H04M1/68 ,  H04M3/16 ,  H04L29/06 ,  H04W12/04 ,  H04W12/02 ,  H04W36/00

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.

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

IPC: H04W36/00 ,  H04W36/08 ,  H04W76/18 ,  H04W76/02 ,  H04W36/04

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.

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

IPC: H04W72/12 ,  H04W16/14 ,  H04W72/04 ,  H04L5/00

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.

公开(公告)号：US09974087B2

公开(公告)日：2018-05-15

申请号：US15475994

申请日：2017-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Anshuman Nigam ,  Jung-Soo Jung ,  Sun-Heui Ryoo ,  Jung-Min Moon ,  Sung-Jin Lee

IPC: H04J11/00 ,  H04W72/08 ,  H04W72/04 ,  H04B7/204 ,  H04B1/7083 ,  H04L5/00 ,  H04W56/00 ,  H04W52/02

CPC classification number: 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

Abstract: 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.

公开(公告)号：US09955477B2

公开(公告)日：2018-04-24

申请号：US14700975

申请日：2015-04-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Anshuman Nigam ,  Jung-Soo Jung ,  Sun-Heui Ryoo ,  Jung-Min Moon ,  Sung-Jin Lee

IPC: H04B7/204 ,  H04W72/04 ,  H04W72/08 ,  H04L5/00 ,  H04W52/02

CPC classification number: 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

Abstract: 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.

公开(公告)号：US20180091212A1

公开(公告)日：2018-03-29

申请号：US15721696

申请日：2017-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjeong Lee ,  Jung-Min Moon ,  Hyunseok Ryu ,  Peng Xue ,  Hyunil Yoo ,  Cheol Jeong ,  Taeyoung Kim

IPC: H04B7/08 ,  H04L25/02 ,  H04W24/10

CPC classification number: H04B7/086 ,  H04B7/024 ,  H04B7/0695 ,  H04B7/0868 ,  H04B7/088 ,  H04L5/0048 ,  H04L5/0094 ,  H04L25/0226 ,  H04W24/10

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). According to various embodiments, an apparatus of a user equipment (UE) in a wireless environment comprises at least one transceiver; and at least one processor operably coupled to the at least one transceiver. The at least one transceiver is configured to receive a reference signal configuration comprising information for indicating whether a reference signal of a transmission and reception point (TRP) is transmitted through beam sweeping from the TRP, and receive the reference signal from the TRP based on the received reference signal configuration.