公开(公告)号：US11197306B2

公开(公告)日：2021-12-07

申请号：US16814536

申请日：2020-03-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungnam Hong ,  Yeohun Yun ,  Chanhong Kim ,  Taeyoung Kim ,  Jiyun Seol ,  Jongbu Lim

IPC: H04L1/18 ,  H04W72/12 ,  H04W72/04 ,  H04L1/00 ,  H04L5/00 ,  H04J11/00 ,  H04W4/70

Abstract: A communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology are provided. The communication scheme is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retail, and security and safety-related services) based on the 5G communication technology and the IoT-related technology.

公开(公告)号：US10735225B2

公开(公告)日：2020-08-04

申请号：US15971471

申请日：2018-05-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chanhong Kim ,  Yeohun Yun ,  Yongok Kim ,  Jongbu Lim ,  Sungnam Hong ,  Taeyoung Kim

IPC: H03H17/04 ,  H04L25/03 ,  H04L27/20 ,  H04L27/26 ,  H04L5/00 ,  H04L5/02

Abstract: The present disclosure relates to a communication method and system for converging a 5G communication system for supporting higher data rates beyond a 4G system with an IoT technology. 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 can reduces a peak-to-average power ration (PAPR) by performing time domain cyclic filtering. Further, a data rate or coverage can be improved by selectively transmitting transmission waveforms through cyclic prefix (CP)-orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform-spread-OFDM (DFT-s-OFDM).

公开(公告)号：US10554378B2

公开(公告)日：2020-02-04

申请号：US15374838

申请日：2016-12-09

Applicant: Samsung Electronics Co., Ltd. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Chanhong Kim ,  Daesik Hong ,  Sung Woo Weon ,  Insik Jung

IPC: H04L7/00 ,  H04L27/26 ,  H04W72/04 ,  H04W72/08

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). An operation method for a receiving end in a wireless communication system includes receiving signals from a plurality of transmitting ends; determining filters for each of the plurality of transmitting ends; and filtering the signals using each of the filters.

公开(公告)号：US10425701B2

公开(公告)日：2019-09-24

申请号：US15549130

申请日：2016-02-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byunghwan Lee ,  Jiyun Seol ,  Kyeongyeon Kim ,  Chanhong Kim ,  Yeohun Yun ,  Min Sagong ,  Suryong Jeong

IPC: H04Q3/00 ,  H04W52/40 ,  H04W16/18 ,  G06F17/14 ,  H04L1/00 ,  H04L5/00 ,  H04W16/00 ,  H04W72/04

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication systems such as LTE. A method according to an embodiment of the present invention is a communication method in a base station which communicates via filter bank-based multicarrier signals. The method may comprise the steps of: performing communication by allocating filters having non-orthogonality with respect to a first terminal positioned within a cell; selecting a filter set from among two or more filter sets having orthogonality with respect to a second terminal positioned at the edge of the cell; and performing communication by allocating, to the second terminal, at least one filter among filters included in the selected filter set.

公开(公告)号：US10211915B2

公开(公告)日：2019-02-19

申请号：US15508910

申请日：2015-09-01

Applicant: Samsung Electronics Co., Ltd

Inventor： Byunghwan Lee ,  Yeohun Yun ,  Kyeongyeon Kim ,  Chanhong Kim ,  Taeyoung Kim ,  Jiyun Seol ,  Ming Hoka

IPC: H04B7/26 ,  H04B15/00 ,  H04W84/04

Abstract: This disclosure relates to a 5G or pre-5G communication system to be provided for supporting higher data transfer rate following a 4G communication system such as LTE. To accomplish the objective mentioned above, a method for transmitting and receiving a signal at a terminal in the mobile communication system according to one embodiment of the present application comprises the steps of: receiving, from a base station, a reference signal generated on the basis of a first filter; determining channel information on the basis of the received reference signal; transmitting the determined channel information to the base station; receiving, from the base station, information related to a second filter determined on the basis of the channel information; and receiving, from the base station, a data signal on the basis of the second filter. According to an embodiment of the present application, it is possible to maximize the signal-to-interference-plus-noise ratio (SINR) while minimizing spectral interference in the event of multiuser connection, by using a prototype filter application method and system structure.

公开(公告)号：US20190044588A1

公开(公告)日：2019-02-07

申请号：US16054769

申请日：2018-08-03

Applicant: Samsung Electronics Co., Ltd. ,  Seoul National University R&DB Foundation

Inventor： Sungnam Hong ,  Chanhong Kim ,  Sunho Park ,  Byonghyo Shim ,  Yeohun Yun ,  Seunghwan Lee ,  Guyoung Lim ,  Jongbu Lim ,  Hyoungju Ji ,  Taeyoung Kim

IPC: H04B7/0456 ,  H04L5/00 ,  H04L1/18 ,  H04B7/06

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than in a 4G communication system such as LTE. The present disclosure relates to uplink transmission in a wireless communication system, and an operating method of a terminal includes mapping codes that are included in at least one codebook onto data symbols. and transmitting the data symbols spread by using the at least one codebook, and the data symbols are used for a base station to detect at least one active terminal including the terminal.

公开(公告)号：US10116482B2

公开(公告)日：2018-10-30

申请号：US14851669

申请日：2015-09-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeohun Yun ,  Chanhong Kim ,  Kyeongyeon Kim ,  Jiyun Seol ,  Taeyoung Kim ,  Byunghwan Lee ,  Ka Ming Ho

IPC: H04L27/26 ,  H04L27/38 ,  H04L27/34

Abstract: A method and apparatus for transmitting symbols for use in an FBMC wireless communication system are provided. The FBMC symbol transmission method includes determining a truncation point of a first FBMC symbol overlapping a transient transmission duration based on an energy distribution characteristic of a first filter applied to the first FBMC symbol, wherein the first FMBC symbol is to be transmitted in a non-transient transmission duration, truncating the first FBMC symbol at the truncation point in the transient transmission duration, changing an energy characteristic of a second filter, filtering the first FBMC symbol using the second filter, filtering FBMC symbols positioned within the non-transient transmission duration based on a non-transient transmission duration characteristic; and transmitting the filtered FBMC symbols at a corresponding transmission timing.

公开(公告)号：US20180212813A1

公开(公告)日：2018-07-26

申请号：US15326449

申请日：2016-04-28

Applicant: Samsung Electronics Co., Ltd

Inventor： Kyeongyeon Kim ,  Yeohun Yun ,  Chanhong Kim ,  Jiyun Seol ,  Byunghwan Lee ,  Ming Hoka

IPC: H04L27/26

Abstract: Disclosed is a 5G or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4G communication system such as LTE. Particularly, the present invention relates to a communication device and method in a filter-bank based single carrier frequency division multiple access (FB based SC-FDMA) system and, particularly, to a communication device and method for lowering a peak to average power ratio (PAPR) in an uplink.

公开(公告)号：US09871686B2

公开(公告)日：2018-01-16

申请号：US15069919

申请日：2016-03-14

Applicant: Samsung Electronics Co., Ltd. ,  Postech Academy-Industry Foundation

Inventor： Chanhong Kim ,  Jubum Kim ,  Joon Ho Cho

IPC: H04L5/12 ,  H04L27/26 ,  H04L27/36 ,  H04L25/03

CPC classification number: H04L27/265 ,  H04L25/03159 ,  H04L27/264 ,  H04L27/36

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 and apparatus for transmitting and receiving signals using a variable observation length in a multi-carrier system using the non-orthogonal transmission signal. A receiver performs fast Fourier transform on reception vectors contained in the signal, equalizes the fast Fourier transformed reception vectors by a 1-tap zero forcing equalizer, and applies a reception filter based on the observation length to the equalized reception vectors. A transmitter includes a transceiver configured to transmit and receive a signal, and a controller configured to cause the transceiver to transmit an indicator for a Modulation and Coding Scheme (MCS) level to a receiver based on a channel state, and transmit a signal applied with the MCS level to the receiver.

公开(公告)号：US20180007679A1

公开(公告)日：2018-01-04

申请号：US15614485

申请日：2017-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjeong Lee ,  Chanhong Kim ,  Taeyoung Kim ,  Hyunseok Ryu ,  Peng Xue ,  Hyunil Yoo ,  Yeohun Yun ,  Jongbu Lim ,  Cheol Jeong ,  Sungnam Hong

IPC: H04W72/04 ,  H04L5/14 ,  H04W72/00 ,  H04W56/00 ,  H04W88/10 ,  H04B7/0413 ,  H04W16/28

Abstract: The present disclosure relates to a 5G or a pre-5G communication system for supporting a higher data rate following 4G communication systems such as LTE. In accordance with an embodiment of the present disclosure, a method of a base station includes: checking an operation mode depending on whether beam sweeping is supported, transmitting a signal related to the operation mode to a terminal, and performing communication with the terminal according to the operation mode.