公开(公告)号：US10530530B2

公开(公告)日：2020-01-07

申请号：US15168800

申请日：2016-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Won Kim ,  Hyun-Kyu Yu ,  Dong-Hwi Roh ,  Jeong-Ho Park ,  Jong-Ho Oh ,  Sung-Rok Yoon ,  Do-Young Jung

IPC: H04W40/12 ,  H04W40/08 ,  H04L1/12 ,  H04B7/0408 ,  H04B7/06 ,  H04B7/08

Abstract: A method for transmitting data by a transmission node in a wireless communication system is provided. The method includes transmitting, to a base station, a channel information request, transmitting, to the base station, a data packet based on a first channel information value received in response to the transmitted channel information request, and awaiting reception of a response packet indicating reception of the data packet from the base station, if the reception of the response packet fails during a predetermined time interval, detecting an energy level of a signal received in the predetermined time interval, and reconfiguring one of a transmitting method for the response packet and a transmitting method for a next data packet based on the detected energy level.

公开(公告)号：US10512089B2

公开(公告)日：2019-12-17

申请号：US15532495

申请日：2015-12-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nam-Jeong Lee ,  Sung-Ho Chae ,  Cheol Jeong ,  Jae-Won Kim ,  Jeong-Ho Park ,  Jae-Weon Cho

IPC: H04W72/04 ,  G01S5/02 ,  H04W72/08 ,  H04L5/00 ,  H04L12/801

Abstract: The present disclosure relates to a communication technique for combining a 5G communication system that supports higher data transmission rates after 4G systems with IoT technology and to the system therefor. The present disclosure can be applied for intelligent services based on 5G communication technology and IoT related technology (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, and the like). A method for determining an uplink transmission resource of a wireless communication system comprises the steps of: obtaining one or more of first distance information between a first base station supporting a first communication system and a terminal supporting the first communication system, and second distance information between a second base station supporting a second communication system and the terminal; and determining a frequency resource and transmission power for uplink signal transmission of the first terminal based on one or more of the obtained first distance information and second distance information.

公开(公告)号：US10334540B2

公开(公告)日：2019-06-25

申请号：US15327018

申请日：2015-07-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheol Jeong ,  Jeong-Ho Park ,  Jae-Won Kim ,  Hyun-Kyu Yu

IPC: H04W56/00

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). Embodiments of the present invention are to provide a method and apparatus for performing uplink synchronization in a wireless communication system. According to an embodiment of the present invention, a method of operating a terminal in a wireless communication system includes the processes of: receiving an adjustment message including a first timing advance (TA) value from a first base station; and transmitting an uplink signal to a second base station based on a second TA value for the second base station that is determined based on the first TA value. According to an embodiment of the present invention, it is possible to decrease the overhead of an uplink resource by adjusting an uplink signal time transmitted to other base stations or other cells by using information for uplink synchronization in a base station or cell in a wireless communication system.

公开(公告)号：US10305710B2

公开(公告)日：2019-05-28

申请号：US14915195

申请日：2014-08-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Sagong ,  Jeong-Ho Park ,  Jae-Won Kim ,  Hyun-Kyu Yu ,  Chi-Woo Lim ,  Su-Ryong Jeong ,  Sung-Nam Hong

IPC: H04L27/00 ,  H04L27/32 ,  H04L27/12 ,  H04L27/36 ,  H04J11/00 ,  H04L5/00

Abstract: The present invention relates to a method for operating, by a base station, multiple modulation schemes in a wireless communication system, the method comprising the steps of: calculating the number of terminals, among the terminals in a cell managed by the base station, of which a channel state is included in a state that is lower than a preset state; reporting information related to the calculated number of terminals to an upstream entity of the base station; receiving information about a band, assigned by the upstream entity, for a hybrid frequency shift keying (FSK) and quadrature amplitude modulation (QAM) (FQAM) scheme on the basis of a QAM scheme and a FSK scheme; and transmitting downwardly the information about the band for the FQAM scheme to the terminals of which a channel state is included in a state that is lower than the preset state. Other modified embodiments on the basis of the technical concept of the present invention are also possible.

公开(公告)号：US20180270035A1

公开(公告)日：2018-09-20

申请号：US15985434

申请日：2018-05-21

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyun-Kyu Yu ,  Jae-Won Kim ,  Jeong-Ho Park ,  Su-Ryong Jeong ,  Cheol Jeong

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/0408

CPC classification number: H04L5/0053 ,  H04B7/0408 ,  H04B7/0617

Abstract: A method and apparatus for transmitting and receiving data in a communication system using beamforming are provided. The transmission method includes transmitting a control channel signal in a control channel region of a subframe using a first transmission beam of a base station. The transmission method also includes transmitting a data signal during a predetermined time period of a data region after the control channel region in the subframe using a second transmission beam determined based on the first transmission beam. The transmission method further includes transmitting a data signal in a remaining data region following the predetermined time period using a scheduled transmission beam.

公开(公告)号：US10069665B2

公开(公告)日：2018-09-04

申请号：US14654798

申请日：2013-12-23

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyun-Kyu Yu ,  Won-Il Roh ,  Jeong-Ho Park ,  Min Sagong ,  Ji-Yun Seol ,  Chi-Woo Lim ,  Kyung-Whoon Cheun ,  Jae-Weon Cho ,  Sung-Nam Hong

IPC: H04B1/00 ,  H04L27/10 ,  H04L1/18 ,  H04L27/34 ,  H04L1/00 ,  H04L27/00 ,  H04L27/32

CPC classification number: H04L27/10 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/1812 ,  H04L27/0008 ,  H04L27/32 ,  H04L27/34

Abstract: Disclosed is a method and device for transmitting and receiving a signal by using modulation techniques in a wireless communication system. The method according to the present invention includes: selecting one of QAM and improved QAM according to at least one predefined criterion; encoding information bits to be transmitted according to a first encoding scheme and mapping encoded information bits to QAM symbols when the QAM is selected; encoding information bits to be transmitted according to a second encoding scheme and mapping encoded information bits to improved QAM symbols when the improved QAM is selected; and transmitting the QAM symbols or the improved QAM symbols through a given resource region.

公开(公告)号：US09893846B2

公开(公告)日：2018-02-13

申请号：US14712400

申请日：2015-05-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu Yu ,  Hyun-Seok Ryu ,  Jeong-Ho Park ,  Cheol Jeong

IPC: H04W74/04 ,  H04L1/18 ,  H04W74/00 ,  H04B7/06

CPC classification number: H04L1/1893 ,  H04B7/0623 ,  H04B7/0695 ,  H04L1/1854 ,  H04L1/1861 ,  H04W74/006

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 base station and method thereof are provided for hybrid automatic retransmit request (HARQ) feedback in a wireless communication system. A method includes generating transmission beam information for transmitting hybrid automatic retransmit request (HARQ) feedback information for an uplink data packet received from a terminal; scheduling a HARQ feedback channel in a downlink subframe, based on the transmission beam information; and transmitting the HARQ feedback information, based on the HARQ feedback channel.

公开(公告)号：US09882622B2

公开(公告)日：2018-01-30

申请号：US14822146

申请日：2015-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheol Jeong ,  Hyun-Kyu Yu ,  Jeong-Ho Park ,  Kyung-Whoon Cheun ,  Su-Ryong Jeong

IPC: H04W4/00 ,  H04B7/06 ,  H01Q3/34 ,  H04B7/08 ,  H01Q1/24 ,  H01Q3/36 ,  H01Q21/08

CPC classification number: H04B7/0617 ,  H01Q1/243 ,  H01Q3/34 ,  H01Q3/36 ,  H01Q21/08 ,  H04B7/0857 ,  H04B7/0862

Abstract: The present disclosure is related to a 5th generation (5G) or pre-5G communication system to provide higher data rates than a 4th generation (4G) communication system such as long term evolution (LTE). A method for adjusting a receive beam gain by a user equipment (UE) in a wireless communication system is provided. The method includes estimating a received signal quality value based on a reference signal received from a base station (BS), transmitting information about the estimated received signal quality value to the BS, comparing the received signal quality value with a minimum received signal quality value required for successful reception of data from the BS, and adjusting a receive beam gain to be used for data reception by turning on/off a radio frequency (RF) chain formed for each of antennas included in the UE based on a result of the comparison.

公开(公告)号：US09844053B2

公开(公告)日：2017-12-12

申请号：US14708858

申请日：2015-05-11

Applicant: Samsung Electronics Co., Ltd

Inventor： Su-Ryong Jeong ,  Hyun-Seok Ryu ,  Jeong-Ho Park ,  Hyun-Kyu Yu

IPC: H04W72/04 ,  H04L12/911 ,  H04W74/08 ,  H04W72/10 ,  H04L12/64 ,  H04W28/26 ,  H04W72/12

CPC classification number: H04W72/0446 ,  H04L12/6418 ,  H04L47/72 ,  H04W28/26 ,  H04W72/0486 ,  H04W72/10 ,  H04W72/1205 ,  H04W74/0866 ,  H04W74/0875

Abstract: Provided is a distributed scheduling method and apparatus for resource allocation for Device-to-Device (D2D) communication. The method includes sending, by a Mobile Station (MS) including data to transmit, a first resource reservation message through at least one first slot among a plurality of slots constituting a resource reservation unit in a resource reservation channel; and when a second resource reservation message sent by another MS is not sensed in a slot with a higher priority than the first slot in the resource reservation unit, transmitting the data through a transmission resource unit corresponding to the resource reservation unit in a data transmission channel. The resource reservation channel corresponds to the transmission resource unit, and the plurality of slots has mutually cyclic priorities.

公开(公告)号：US20170311301A1

公开(公告)日：2017-10-26

申请号：US15644625

申请日：2017-07-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu Yu ,  Tae-Young Kim ,  Jeong-Ho Park ,  Cheol Jeong

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/0617 ,  H04B7/0682 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0091 ,  H04W72/046

Abstract: A method and apparatus for transmitting and receiving a control channel by beamforming in a wireless communication system are provided. The transmission method includes determining a plurality of pieces of control information to be transmitted on control channels and determining transmission beams for use in beamforming transmission of the plurality of pieces of control information, mapping at least one piece of beam region information indicating at least one beam region in a control channel region and the plurality of pieces of control information to the at least one beam region in the control channel region, at least one piece of control information corresponding to the same transmission beam being arranged in one beam region, and transmitting the mapped beam region information and the mapped control information by transmission beams corresponding to the beam regions in the control channel region.