公开(公告)号：US11303329B2

公开(公告)日：2022-04-12

申请号：US16321612

申请日：2017-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byounghoon Jung ,  Sunheui Ryoo ,  Jungmin Moon ,  Seunghoon Park ,  Jungsoo Jung

IPC: H04W24/10 ,  H04B7/0417 ,  H04B7/024 ,  H04B7/06 ,  H04W74/08 ,  H04W88/08

Abstract: The disclosure relates to a communication technique for convergence of an IoT technology and a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The disclosure can be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart cart or connected car, health care, digital education, retail business, security and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. The disclosure defines a mobility method for a terminal residing in a system in which transmission/reception points (TPRs), supporting solely some protocols among entire access stratum protocols comprising PHY, MAC, RLC, PDCP, and RRC, coexist in a wireless communication system. Specifically, the disclosure defines a method for dynamically changing, depending on determination by a base station, a beam and a transmission/reception point to be used for transmitting information to or receiving information from a terminal through a method in which a system using multiple beams notifies, in advance, of a measurement reference signal transmitted using transmission/reception points of different networks, to allow a terminal to select a required reception beam from a corresponding resource and measure beam information of each transmission/reception point, or a terminal transmits measured information as feedback in which each transmission/reception point is specified. Accordingly, the disclosure can provide a criterion of rapid and highly precise determination for changing a beam and a transmission/reception point and thus prevent a terminal from needlessly measuring and reporting, so as to achieve an effect of reduction in the power consumption of the terminal and reduction of delay in change of a transmission/reception point.

公开(公告)号：US11265830B2

公开(公告)日：2022-03-01

申请号：US16321604

申请日：2017-08-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Park ,  Jungmin Moon ,  Byounghoon Jung

IPC: H04W4/00 ,  H04W56/00 ,  H04W48/08

Abstract: Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The present disclosure can be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of a 5G communication technology and an IoT-related technology. Provided are a terminal operation method in a wireless communication system and a device for performing the same, the method according to an embodiment of the present invention comprises the steps of: monitoring a synchronization signal transmitted by a base station, on the basis of a synchronization resource section; receiving the synchronization signal on the basis of the synchronization signal monitoring; and accessing the base station on the basis of the synchronization acquired from the synchronization signal, wherein the synchronization resource section of the synchronization signal transmission cycle comprises a plurality of synchronization signal transmission time points.

公开(公告)号：US11109403B2

公开(公告)日：2021-08-31

申请号：US16694888

申请日：2019-11-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungmin Moon ,  Seunghoon Park ,  Byounghoon Jung ,  Jungsoo Jung

IPC: H04W4/00 ,  H04W72/12 ,  H04W72/04 ,  H04W72/14

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Provided are a method and apparatus for uplink scheduling in a mobile communication system. The method of uplink scheduling for a user equipment (UE) in a mobile communication system may include identifying the amount of data stored in a buffer, generating a scheduling request (SR), and transmitting the SR to a base station (NB) on the basis of the identified data amount so that an uplink resource is to be allocated from the NB.

公开(公告)号：US10779172B2

公开(公告)日：2020-09-15

申请号：US15522178

申请日：2015-11-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungmin Moon ,  Sunheui Ryoo ,  Rayeon Ahn ,  Sungjin Lee ,  Jungsoo Jung ,  Seunghoon Park

IPC: H04W24/08 ,  H04W88/02 ,  H04W88/08 ,  H04W74/08 ,  H04W76/27 ,  H04L5/14 ,  H04W72/04 ,  H04W72/08 ,  H04W16/14

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 invention relates to a method by a base station in a mobile communication system, the method comprising the steps of: checking a channel state in an unlicensed band; determining a parameter for checking whether a channel is occupied, according to the channel state; and transmitting the determined parameter to a terminal.

公开(公告)号：US10595286B2

公开(公告)日：2020-03-17

申请号：US15501157

申请日：2015-07-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok Ryu ,  Seunghoon Park ,  Sangwon Choi ,  Jeongho Park ,  Peng Xue ,  Hyunkyu Yu

IPC: H04W52/38 ,  H04L27/26 ,  H04W72/02

Abstract: The present invention relates to a method for controlling the power of a terminal in device-to-device (D2D) communication and, particularly, to a device and a method for supporting Type 1 discovery or Mode 2 D2D communication. The present invention relates to a method for controlling the transmission power of a terminal performing D2D communication, and the terminal, the method comprising the steps of: selecting an arbitrary resource in a discovery period for D2D resource selection; determining whether the selected resource satisfies a preset transmission power control condition; and transmitting information for the D2D communication through the selected resource, by using the power determined according to the determination result. The present disclosure relates to a communication scheme for fusing IoT technology with a 5G communication system for supporting a data rate higher than that of a 4G system and subsequent systems thereafter. The present disclosure can be applied to intelligent services (for example, a smart home, a smart building, a smart city, a smart or connected car, healthcare, digital education, retail business, security and safety related services, and the like) on the basis of the 5G communication technology and IoT related technology.

公开(公告)号：US10575338B2

公开(公告)日：2020-02-25

申请号：US15424136

申请日：2017-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Park ,  Jungmin Moon

IPC: H04W74/08 ,  H04W72/04 ,  H04W74/00 ,  H04W16/14

Abstract: A communication method and a system that combines fifth generation (5G) communication systems with internet of things (IoT) technologies to support much higher data rates than fourth generation (4G) communication systems are provided. Based on 5G communication technologies and IoT technologies, the present disclosure can be applied to intelligent services, such as smart home, smart building, smart city, smart car or connected cars, health care, digital education, retail business, and security and safety measure. A method of communication for a user equipment includes receiving a random access channel (RACH) configuration from a base station (an evolved nodeB (eNB)), and transmitting to the eNB a random access preamble (RAP) message in an uplink subframe of an unlicensed band matching a subframe configured as a RACH resource according to the RACH configuration.

公开(公告)号：US09930718B2

公开(公告)日：2018-03-27

申请号：US14916171

申请日：2014-09-01

Applicant: Samsung Electronics Co., Ltd

Inventor： Sangkyu Baek ,  Youngbin Chang ,  Hyunjeong Kang ,  Kyungkyu Kim ,  Seunghoon Park ,  Sungjin Lee

IPC: H04W4/00 ,  H04W76/04 ,  H04W24/10 ,  H04W8/00 ,  H04W48/16

CPC classification number: H04W76/27 ,  H04W8/005 ,  H04W24/10 ,  H04W48/16 ,  H04W76/23

Abstract: The present invention relates to a method and an apparatus for switching a data path in a wireless communication system supporting device-to-device (D2D) communication. The method for switching a path of a base station in a wireless communication system supporting device-to-device communication, according to the present invention, comprises the steps of: receiving, from a first terminal, a measurement report including a D2D identifier of a second terminal that performs a direct communication with the first terminal; sending a query to a D2D server for a network identifier corresponding to the D2D identifier of the second terminal; and determining whether to switch a direct path between the first terminal and the second terminal to a local path on the basis of the network identifier of the second terminal obtained from the D2D server.

公开(公告)号：US09848398B2

公开(公告)日：2017-12-19

申请号：US15038028

申请日：2014-12-12

Applicant: Samsung Electronics Co., Ltd

Inventor： Seunghoon Park ,  Hyunseok Ryu ,  Chiwoo Lim

IPC: H04W92/18 ,  H04W56/00 ,  H04W72/04 ,  H04W76/02

CPC classification number: H04W56/0025 ,  H04W72/0446 ,  H04W76/14

Abstract: The present invention relates to a scheduling method between terminals for a search resource allocation in direct device to device communication and a device thereof. The present invention relates to, as a search resource allocation method of a terminal which performs device to device (D2D) communication, a proximity searching method and a device thereof, and the method comprises the steps of: transmitting and receiving a signal through a wireless resource determined so as to explicitly or implicitly transmit and receive a contention index of the terminal; selecting a search resource on the basis of a response signal when the response signal is received through the wireless resource; and performing a search for the D2D communication by using the selected search resource.

公开(公告)号：US09848316B2

公开(公告)日：2017-12-19

申请号：US14904306

申请日：2014-07-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangkyu Baek ,  Seunghoon Park ,  Kyungkyu Kim ,  Hyunseok Ryu ,  Chiwoo Lim ,  Youngbin Chang

IPC: H04W8/00 ,  H04W48/16 ,  H04W76/02 ,  H04L12/801 ,  H04W72/00 ,  H04W72/04

CPC classification number: H04W8/005 ,  H04L47/11 ,  H04W48/16 ,  H04W72/005 ,  H04W72/0446 ,  H04W76/14

Abstract: The present invention relates to a method for performing a D2D discovery and a terminal using the same. Particularly, the present invention relates to a method for performing a D2D discovery, which compares a congestion level of another discovery slot selected randomly or according to a preset pattern with a threshold or a congestion level of a current discovery slot and determines a discovery slot to transmit a discovery message and a transmission period of the discovery message according to a result of the comparison, and a terminal using the same. The present invention relates to a method for performing a D2D discovery using discovery resources including a plurality of discovery slots, and a terminal performing the same, the method comprising the steps of: broadcasting a discovery message by using a first discovery slot; comparing a congestion level of a selected second discovery slot with a predetermined congestion level value; determining a discovery slot to broadcast the discovery message on the basis of a result of the comparison; and broadcasting the discovery message by using the determined discovery slot.

公开(公告)号：US09723630B2

公开(公告)日：2017-08-01

申请号：US14665943

申请日：2015-03-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Peng Xue ,  Seunghoon Park ,  Hyunseok Ryu ,  Jeongho Park ,  Sangwon Choi

IPC: H04W4/00 ,  H04W74/08 ,  H04W76/02 ,  H04W92/18

CPC classification number: H04W74/0816 ,  H04W76/14 ,  H04W92/18 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/162 ,  Y02D70/21 ,  Y02D70/22 ,  Y02D70/23

Abstract: A contention-based resource allocation method and apparatus is provided for use in a low power Device-to-Device (D2D) communication. The resource allocation method of a Device-to-Device (D2D) terminal of the present disclosure includes selecting an available resource in a frame, monitoring to detect a signal is received while a backoff timer is running, and performing, when no signal is received on the available resource before expiry of the backoff timer, a D2D communication using the available resource.