公开(公告)号：US11133886B2

公开(公告)日：2021-09-28

申请号：US15633490

申请日：2017-06-26

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

Inventor： Jongbu Lim ,  Jubum Kim ,  Joon Ho Cho ,  Chanhong Kim ,  Yeohun Yun ,  Sungnam Hong ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04L12/00 ,  H04J11/00 ,  H04B17/345 ,  H04L5/00 ,  H04W24/02 ,  H04W74/00 ,  H04W88/08

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate after a 4th generation (4G) communication system such as long term evolution (LTE). A method for operating of a transmitting end in a wireless communication system includes allocating a first resource for a first service and a second resource for a second service, determining a precoder for controlling interference between the first service and the second service, precoding a first signal for the first service using the precoder, and transmitting the precoded first signal and a second signal for the second service through the first resource and the second resource. At least one part of the first resource overlaps with the second resource.

公开(公告)号：US09893919B2

公开(公告)日：2018-02-13

申请号：US15344490

申请日：2016-11-04

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

Inventor： Chan-Hong Kim ,  Jubum Kim ,  Yeo-Hun Yun ,  Minuk Kim ,  Eun Ae Lee ,  Joon Ho Cho

IPC: H04L27/26 ,  H04L27/20

CPC classification number: H04L27/2623 ,  H04L27/2082

Abstract: A transmission and reception method and apparatus for reducing a PAPR in an orthogonal frequency division multiplexing (OFDM) system are provided. A transmission method includes performing constellation rotation with respect to L input data symbols, performing L-point DFT spreading and circular extension on the constellation-rotated L data symbols to be K symbols, performing frequency domain (FD) windowing processing by multiplying the K circular-extended data symbols by a circular filter coefficient, and transmitting the processed data symbols.

公开(公告)号：US20170373781A1

公开(公告)日：2017-12-28

申请号：US15633490

申请日：2017-06-26

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

Inventor： Jongbu Lim ,  Jubum Kim ,  Joon Ho Cho ,  Chanhong Kim ,  Yeohun Yun ,  Sungnam Hong ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04J11/00 ,  H04L5/00 ,  H04B17/345 ,  H04W24/02 ,  H04W74/00 ,  H04W88/08

CPC classification number: H04J11/0023 ,  H04B17/345 ,  H04J11/003 ,  H04L5/0073 ,  H04L5/0092 ,  H04W24/02 ,  H04W74/002 ,  H04W88/08

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate after a 4th generation (4G) communication system such as long term evolution (LTE). A method for operating of a transmitting end in a wireless communication system includes allocating a first resource for a first service and a second resource for a second service, determining a precoder for controlling interference between the first service and the second service, precoding a first signal for the first service using the precoder, and transmitting the precoded first signal and a second signal for the second service through the first resource and the second resource. At least one part of the first resource overlaps with the second resource.

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：US09078246B2

公开(公告)日：2015-07-07

申请号：US13912053

申请日：2013-06-06

Applicant: LG ELECTRONICS INC.

Inventor： Ki Jun Kim ,  Min Uk Kim ,  Jeong Ho Yeo ,  Young Yun Kang ,  Yeo Hun Yun ,  Joon Ho Cho

IPC: H04W72/04 ,  H04W72/10 ,  H04L5/00 ,  H04L25/00 ,  H04L25/03 ,  H04J11/00 ,  H04L27/26

CPC classification number: H04W72/04 ,  H04J11/0036 ,  H04L5/00 ,  H04L5/003 ,  H04L5/0037 ,  H04L25/00 ,  H04L25/03834 ,  H04L27/2636 ,  H04L27/2691 ,  H04W72/10

Abstract: A method for transmitting data streams by a transmitter in a wireless communication system is provided. The transmitter performs Fourier transform for a data stream to generate a transformed stream. The transmitter repeats the transformed stream to generate a repeated stream. The transmitter maps the repeated stream on a plurality of subcarriers to generate a transmission signal. The transmitter transmits the transmission signal to a receiver. The plurality of subcarriers are selected by starting from a subcarrier having a predetermined index and hopping at a subcarrier interval.

Abstract translation: 提供了一种在无线通信系统中由发射机发送数据流的方法。 发射机对数据流进行傅立叶变换以产生变换流。 发射机重复转换的流以产生重复的流。 发射机在多个子载波上映射重复流以产生传输信号。 发射机将发射信号发射到接收机。 通过从具有预定索引的子载波开始并以子载波间隔跳频来选择多个子载波。