公开(公告)号：US20220124795A1

公开(公告)日：2022-04-21

申请号：US17451779

申请日：2021-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min WU ,  Feifei SUN ,  Yi WANG ,  Qi XIONG ,  Bin YU

IPC: H04W74/00 ,  H04W74/08 ,  H04B7/185

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 disclosure provides a user equipment and a base station in a wireless communication system and methods performed by the same. The method performed by the user equipment includes: determining a third timing advance based on a first timing advance configured by a base station and/or a second timing advance estimated by the user equipment, wherein the third timing advance is used for physical random access channel (PRACH) transmission of an initial random access procedure; receiving a timing advance control command indicated by the base station through a random access response (RAR); and obtaining a fourth timing advance according to a timing advance indicated by the timing advance control command and the third timing advance.

公开(公告)号：US20220124711A1

公开(公告)日：2022-04-21

申请号：US17427062

申请日：2020-01-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Miao ZHOU ,  Feifei SUN ,  Min WU

IPC: H04W72/04 ,  H04W28/26 ,  H04L5/00

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). The present disclosure provides a method performed by an electronic device in a first system in a wireless communication system, wherein the first system and a second system exist in the wireless communication system, and frequency domain resources used by the first system and the second system at least partially overlap with each other . The includes: obtaining information about overlapped frequency domain resources; determining the overlapped frequency domain resources, the determined overlapped frequency domain resources comprising overlapped frequency domain resources at a subcarrier level; and avoiding performing an uplink transmission and/or avoiding monitoring a downlink transmission on the determined overlapped frequency domain resources.

公开(公告)号：US20220116999A1

公开(公告)日：2022-04-14

申请号：US17419593

申请日：2019-12-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Qi XIONG ,  Bin YU ,  Feifei SUN ,  Yi WANG

IPC: H04W74/08 ,  H04W74/00 ,  H04L5/00

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). The present disclosure provides a method for operating a user equipment (UE) in wireless communication system. The method includes: receiving, from a base station, configuration information for a two-step random access transmission; determining a resource configuration for transmitting a first message of the two-step random access transmission based on the obtained configuration information for the two-step random access transmission, wherein the first message comprises a preamble and data; transmitting, to the base station, the first message according to the determined resource configuration; detecting a second message from the base station as a feedback of the first message; and performing a subsequent operation according to the detected second message.

公开(公告)号：US20220104268A1

公开(公告)日：2022-03-31

申请号：US17423001

申请日：2020-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Qi XIONG ,  Feifei SUN ,  Yi WANG ,  Bin YU

IPC: H04W74/08 ,  H04L5/00

Abstract: A method for 2-step RA (2-step random access) performed by a terminal (UE) is provided. The method comprises receiving, from a base station, first random access channel (RACH) configuration for 4-step RA (4-step random access), second RACH configuration for the 2-step RA, and physical uplink shared channel (PUSCH) configuration, the first RACH configuration including information on RA occasions for the 4-step RA; in case that an index indicating a subset of the RA occasions is included in the second RACH configuration, identifying at least one RA occasion for the 2-step RA based on the subset; identifying at least one PUSCH resource based on the PUSCH configuration and the at least one RA occasion; and transmitting, to the base station, a random access preamble in the at least one RA occasion and a PUSCH in the at least one PUSCH resource.

公开(公告)号：US20220078812A1

公开(公告)日：2022-03-10

申请号：US17310811

申请日：2020-03-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing FU ,  Bin YU ,  Yi WANG ,  Feifei SUN

IPC: H04W72/12

Abstract: A power control method and apparatus are provided in the present application. The power control method includes: receiving resource occupation indication information, where the resource occupation indication information is used to indicate resource occupation situation of second priority data on a PUSCH for transmitting first priority data; determining the resource occupation situation of the PUSCH for transmitting the first priority data according to the resource occupation indication information; and determining power of the PUSCH for transmitting the first priority data according to the resource occupation situation of the PUSCH for transmitting the first priority data.

公开(公告)号：US20220029748A1

公开(公告)日：2022-01-27

申请号：US17309296

申请日：2020-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing FU ,  Yi WANG ,  Bin YU ,  Chen QIAN ,  Feifei SUN

IPC: H04L1/18

Abstract: The application provides a method, apparatus for transmitting HARQ-ACK information, electronic device and storage medium. The method includes: determining, by a terminal, a TU in which a PUCCH transmitting the HARQ-ACK is located according to a length of the time slot in which the PUCCH transmitting the HARQ-ACK is located and the number of PUCCHs in the time slot; transmitting, by the terminal, the HARQ-ACK information based on the determined TU in which the PUCCH transmitting the HARQ-ACK is located and a corresponding HARQ timing relationship.

公开(公告)号：US20210050950A1

公开(公告)日：2021-02-18

申请号：US16991989

申请日：2020-08-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Miao ZHOU ,  Min WU ,  Yi WANG ,  Feifei SUN

IPC: H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W76/27

Abstract: A method performed by a terminal in a wireless communication system is provided, the method includes receiving, from a base station, a sidelink configured grant for a sidelink transmission, transmitting, to another terminal, a sidelink signal based on the sidelink configured grant, generating a second hybrid automatic repeat request (HARQ) acknowledgement (HARQ-ACK) information based on whether first HARQ-ACK information corresponding to the sidelink signal is received from the another terminal, and reporting on an uplink channel, to a base station, the second HARQ-ACK information.

公开(公告)号：US20200314817A1

公开(公告)日：2020-10-01

申请号：US16831387

申请日：2020-03-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Feifei SUN ,  Yi WANG ,  Jingxing FU

IPC: H04W72/04

Abstract: The present disclosure provides a user equipment and a method for performing data transmission. The method includes receiving at least one of downlink control information (DCI) or higher layer signaling from a base station; determining a transmission format of the data transmission based on at least one of the DCI or the higher layer signaling; and performing the data transmission based on the determined transmission format. The present disclosure also provides a base station and a method for performing data transmission.

公开(公告)号：US20200305190A1

公开(公告)日：2020-09-24

申请号：US16899106

申请日：2020-06-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Di SU ,  Feifei SUN

IPC: H04W74/08 ,  H04W72/04 ,  H04L1/18 ,  H04L27/26 ,  H04L5/00 ,  H04L1/08 ,  H04L1/16 ,  H04J11/00

Abstract: A method and device for reporting scheduling request are provided. The method includes the operations of acquiring a dedicated physical resource of a random access channel (RACH) configured to report a scheduling request, when the scheduling request is triggered, transmitting the RACH on the dedicated physical resource. The dedicated physical resource includes a plurality of periodic physical resources. Through this dedicated physical resource, the user equipment (UE) can report scheduling request in a contention-free random access way, and the capacity of a preamble sequence is improved and inter-cell interference is reduced.

公开(公告)号：US20200163032A1

公开(公告)日：2020-05-21

申请号：US16604530

申请日：2018-04-10

Applicant: Samsung Electronics Co., Ltd

Inventor： Di SU ,  Feifei SUN

IPC: H04W56/00 ,  H04W72/12 ,  H04W48/10 ,  H04L12/24

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 disclosure discloses a method for access to NB IoT, comprising the following steps of: detecting a NPSS and a NSSS to realize downlink synchronization; detecting a NPBCH to acquire MIB-NB information; and acquiring SIB1-NB according to the MIB-NB information, wherein at least one of the NPSS, the NSSS, the MIB-NB and the SIB1-NB is transmitted on a non-anchor carrier.