公开(公告)号：US20220104265A1

公开(公告)日：2022-03-31

申请号：US17418108

申请日：2020-02-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jonghyun BANG ,  Jinyoung OH ,  Hyunseok RYU ,  Sungjin PARK ,  Cheolkyu SHIN ,  Jeongho YEO

IPC: H04W74/08

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. The present invention relates to a method and an apparatus for performing random access in a wireless communication system. More specifically, proposed is a method of, when a terminal intends to perform random access through multiple PRACH preamble transmission in an unlicensed band, determining whether to change or reset a CP length of a channel access procedure gap or a PRACH preamble according to the number of multiple PRACH preamble transmissions.

公开(公告)号：US20220061098A1

公开(公告)日：2022-02-24

申请号：US17404241

申请日：2021-08-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Youngbum KIM ,  Hyunseok RYU ,  Sungjin PARK

IPC: H04W74/08 ,  H04L5/14

Abstract: An efficient communication method and device for a Reduced-capability UE using a half-duplex communication scheme in a wireless communication system. According to an embodiment, a method for performing a random access procedure by a reduced-capability user equipment (UE) in a wireless communication system comprises receiving, from a base station, configuration information including resource information for random access by the Reduced-capability UE, identifying whether there is a random access occasion overlapping a radio frequency (RF) switching gap in a time domain when the random access is performed, and when there is the random access occasion overlapping the RF switching gap, performing the random access procedure with the base station on a next random access occasion except for the overlapping random access occasion, based on the received resource information for random access.

公开(公告)号：US20220039021A1

公开(公告)日：2022-02-03

申请号：US17278856

申请日：2019-08-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok RYU ,  Sungjin PARK ,  Jeongho YEO ,  Jinyoung OH

IPC: H04W52/08 ,  H04W52/14 ,  H04W52/24 ,  H04W24/10

Abstract: The present disclosure provides a method, performed by a sidelink user equipment (UE), of controlling a transmission power in a wireless communication system, the method including: obtaining, by a first sidelink UE, control information for determining whether to perform a closed loop power control (CLPC) process; transmitting a sidelink measurement signal to a second sidelink UE based on a result of the determining; receiving a sidelink signal transmitted according to a transmission power value set based on the sidelink measurement signal; and providing transmission power control (TPC) command information based on a transmission power value of the received sidelink signal.

公开(公告)号：US20220014284A1

公开(公告)日：2022-01-13

申请号：US17484958

申请日：2021-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok RYU ,  Sungjin PARK ,  Jonghyun BANG ,  Jeongho YEO ,  Jinyoung OH

IPC: H04B17/309 ,  H04W24/08 ,  H04W72/04

Abstract: The 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 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 or safety services.

公开(公告)号：US20210400719A1

公开(公告)日：2021-12-23

申请号：US17466232

申请日：2021-09-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinyoung OH ,  Hyunseok RYU ,  Sungjin PARK ,  Jonghyun BANG ,  Jeongho YEO

IPC: H04W74/08 ,  H04L1/16 ,  H04W72/12

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 operation method of a base station in a radio communication system and an apparatus therefor are provided. The operation method includes transmitting, to a terminal, configuration information including a configuration of a bandwidth part in an unlicensed spectrum, the bandwidth part including a plurality of subbands, performing a channel access procedure for each of the plurality of subbands included in the bandwidth part, initiating channel access via at least one subband, among the plurality of subbands, determined to be an idle channel according to a result of the channel access procedure, transmitting, to the terminal, the result of the channel access procedure for each subband, among the plurality of subbands, and transmitting, to the terminal, a data channel according to the result of the channel access procedure for each subband, among the plurality of subbands.

公开(公告)号：US20210368520A1

公开(公告)日：2021-11-25

申请号：US17396205

申请日：2021-08-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok RYU ,  Jaewon KIM ,  Jeehwan NOH ,  Hyukmin SON ,  Hyunkyu YU ,  Hyunil YOO

IPC: H04W72/12 ,  H04L5/00 ,  H04L1/18 ,  H04L1/16 ,  H04W76/27 ,  H04B7/06 ,  H04W72/04 ,  H04W72/14 ,  H04W88/06 ,  H04W88/10

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to the present disclosure, a method of a terminal in a wireless communication system comprises the steps of: receiving downlink control information (DCI); confirming whether the DCI is uplink DCI for an uplink or downlink DCI for a downlink; and transmitting, through an uplink control channel or an uplink data channel, uplink control information (UCI) according to the confirmation result.

公开(公告)号：US20210314877A1

公开(公告)日：2021-10-07

申请号：US17352929

申请日：2021-06-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok RYU ,  Peng XUE ,  Hyunkyu YU ,  Sangwon CHOI ,  Kuyeon WHANG

IPC: H04W52/24 ,  H04W76/27 ,  H04L5/00 ,  H04W72/04

Abstract: Disclosed are a communication technique for merging, with IoT technology, a 5G communication system supporting a data transmission rate higher than a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (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 5G communication technology and IoT-related technology. According to one embodiment of the present specification, a communication method of a terminal in a mobile communication system comprises the steps of: receiving, from a base station, first information related to the number of reference signal resources for path loss identification, receiving, from the base station, downlink control information including second information indicating a reference signal resource to be used for the path loss identification, identifying a path loss on the basis of reference signal received power (RSRP) identified on the basis of the second information, and transmitting an uplink signal to the base station on the basis of the identified path loss.

公开(公告)号：US20210250910A1

公开(公告)日：2021-08-12

申请号：US17171616

申请日：2021-02-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungjin PARK ,  Hyunseok RYU ,  Jinkyu KANG ,  Jonghyun BANG ,  Cheolkyu SHIN ,  Jeongho YEO ,  Jinyoung OH

IPC: H04W72/02 ,  H04W72/00 ,  H04W72/04 ,  H04W56/00 ,  H04L27/26

Abstract: Disclosed is a method performed by a first terminal in a wireless communication system, including transmitting, to a second terminal on a physical sidelink broadcast channel (PSBCH), slot format information for a sidelink communication, the slot format information including first information on a number of patterns, second information on a period of pattern, and third information on a number of uplink slots of pattern, and performing, with the second terminal, the sidelink communication in at least one sidelink resource identified based on the first information, the second information, and the third information, wherein, when the first information indicates the number of patterns as 1, the second information indicates the period of pattern for a pattern, and the third information indicates the number of uplink slots for the pattern, and when the first information indicates the number of patterns as 2, the second information indicates the period of pattern for a first pattern and a second pattern, and the third information indicates the number of uplink slots for the first pattern and the second pattern.

公开(公告)号：US20210250906A1

公开(公告)日：2021-08-12

申请号：US17242845

申请日：2021-04-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Peng XUE ,  Hyunseok RYU ,  Anil AGIWAL ,  Hyunkyu YU ,  Yeohun YUN ,  Namjeong LEE

IPC: H04W72/00 ,  H04W72/04 ,  H04L5/00 ,  H04W4/70 ,  H04W56/00 ,  H04W72/12 ,  H04W72/14

Abstract: 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) is provided. 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. The method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology information.

公开(公告)号：US20210227570A1

公开(公告)日：2021-07-22

申请号：US17153443

申请日：2021-01-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungjin PARK ,  Taehyoung KIM ,  Jeongho YEO ,  Jinyoung OH ,  Hyunseok RYU ,  Jonghyun BANG ,  Cheolkyu SHIN

IPC: H04W72/12 ,  H04L27/26 ,  H04L1/00 ,  H04W76/27

Abstract: A method performed by a terminal in a communication system is provided. The method includes identifying a first physical downlink shared channel (PDSCH) scheduled by a physical downlink control channel (PDCCH), and a second PDSCH without a corresponding PDCCH; identifying that the first PDSCH and the second PDSCH are overlapped in time; and decoding the first PDSCH on a basis that the PDCCH scheduling the first PDSCH ends at least 14 symbols before the starting symbol of the second PDSCH.