公开(公告)号：US10560216B2

公开(公告)日：2020-02-11

申请号：US15405096

申请日：2017-01-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chi-Woo Lim ,  Jae-Yoel Kim ,  Woo-Myoung Park ,  Seok-Ki Ahn ,  Min Jang

IPC: H04L1/18 ,  H04L1/00 ,  H03M13/11 ,  H03M13/00

Abstract: Fifth Generation (5G) or pre-5G communication system for supporting a data transfer rate higher than that of a fourth Generation (4G) communication system, such as Long Term Evolution (LTE), and subsequent systems. The present disclosure provides a method for transmitting a signal by a transmission terminal in a communication system using a Low Density Parity Check (LDPC) code. The method include receiving a change request for changing a coding rate of the LDPC code, from a reception terminal; determining a first coding rate based on the change request; and transmitting information on the first coding rate in respond to the change request, to a reception terminal, wherein the change request for changing the coding rate comprises at least one of information indicating a coding rate determined by the reception terminal, or information indicating a state of the reception terminal.

公开(公告)号：US10271337B2

公开(公告)日：2019-04-23

申请号：US15505243

申请日：2015-08-20

Applicant: Samsung Electronics Co., Ltd

Inventor： Min Sagong ,  Woo-Myoung Park ,  Seok-Ki Ahn ,  Chi-Woo Lim ,  Sung-Nam Hong

IPC: H04W72/08 ,  H04B17/345 ,  H04L27/00 ,  H04L27/36 ,  H04L27/10 ,  H04W72/04 ,  H04B17/26 ,  H04L5/00 ,  H04L1/18 ,  H04L1/00

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 invention relates to method and apparatus for performing a decoding with low complexity in a wireless communication system. A decoding method of a terminal in a wireless communication system comprises determining a first characteristic value indicating a statistical characteristic of an interference signal based on a received signal of a base station, determining a second characteristic value indicating a statistical characteristic of an interference signal based on data received from the base station, and decoding the data according to a decoding scheme corresponding to a difference of the first characteristic value and the second characteristic value.

公开(公告)号：US10237112B2

公开(公告)日：2019-03-19

申请号：US15120877

申请日：2015-02-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Nam Hong ,  Min Sagong ,  Chi-Woo Lim

IPC: H04L27/00 ,  H03C3/00 ,  H03K7/06 ,  H04L27/36 ,  H04L5/00 ,  H04L27/20 ,  H04L27/10

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). Provided is an operation method of a base station in a wireless communication system. The method comprises: receiving, from a terminal, at least one piece of information among channel quality information on a resource region allocated to the terminal and non-Gaussian information on a nulling region corresponding to the resource region; and determining a modulation order for the terminal, a code rate, a ratio of the resource region to the nulling region based on the channel quality information and the non-Gaussian information.

公开(公告)号：US09713183B2

公开(公告)日：2017-07-18

申请号：US14180283

申请日：2014-02-13

Applicant: Samsung Electronics Co., Ltd

Inventor： Kyung-Kyu Kim ,  Dae-Gyun Kim ,  Hyun-Seok Ryu ,  Young-Joong Mok ,  Seung-Hoon Park ,  Sang-Kyu Baek ,  Chi-Woo Lim ,  Young-Bin Chang

IPC: H04M1/66 ,  H04M1/68 ,  H04W4/00 ,  H04W76/02 ,  H04W12/04

CPC classification number: H04W76/023 ,  H04W12/04 ,  H04W76/14

Abstract: A method and apparatus for performing initial entry for Device-to-Device (D2D) communication in a wireless communication system include transmitting an initial entry request including a service request for D2D communication to a Mobility Management Entity (MME) by a terminal, and if the service request for D2D communication is accepted, receiving information indicating that the initial entry request is accepted, including D2D communication information from the MME by the terminal.

公开(公告)号：US09655118B2

公开(公告)日：2017-05-16

申请号：US14450746

申请日：2014-08-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Jeong Kang ,  Chi-Woo Lim ,  Jae-Weon Cho ,  Tae-Young Kim

IPC: H04W72/04 ,  H04L1/00 ,  H04L1/18 ,  H04L5/00 ,  H04L25/02

CPC classification number: H04W72/0453 ,  H04L1/0027 ,  H04L1/1854 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0055 ,  H04L5/0091 ,  H04L25/0204

Abstract: An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station.

公开(公告)号：US09647862B2

公开(公告)日：2017-05-09

申请号：US14213948

申请日：2014-03-14

Applicant: Samsung Electronics Co., Ltd. ,  Research & Business Foundation Sungkyunkwan University

Inventor： Seung-Hoon Park ,  Hyung-Jin Choi ,  Kyung-Hun Won ,  Won-Jun Hwang ,  Kyung-Kyu Kim ,  Dae-Gyun Kim ,  Hyun-Seok Ryu ,  Dong-Jun Lee ,  Chi-Woo Lim

IPC: H04L27/06 ,  H04L27/26

CPC classification number: H04L27/2601 ,  H04L27/2657 ,  H04L27/2671 ,  H04L27/2675

Abstract: A method for operating a device in a wireless communication system supporting Device to Device (D2D) communication system includes receiving a reference signal from each of at least one transmitting device, estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and adjusting a transmit frequency of a voltage controlled oscillator of the device using the estimated frequency offset estimation. An apparatus for compensating for a frequency offset of a device in a wireless communication system supporting Device to Device (D2D) communication system includes a frequency offset estimator configured to receive reference signals from each of at least one transmitting device, and estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and a voltage controlled oscillator configured to adjust a transmit frequency using the estimated frequency offset.

公开(公告)号：US09277516B2

公开(公告)日：2016-03-01

申请号：US14042460

申请日：2013-09-30

Applicant: Samsung Electronics Co., Ltd

Inventor： Sung-Eun Park ,  Jae-Weon Cho ,  Seung-Hoon Choi ,  Chi-Woo Lim ,  Song-Nam Hong

IPC: H04J3/00 ,  H04W56/00 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04W56/0015 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2655

Abstract: A Synchronization Channel (SCH) transmission method includes generating a Primary SCH (P-SCH) sequence according to supplementary information. The supplementary information includes at least one of Base Station (BS) type information, Fast Fourier Transform (FFT) size information, BandWidth (BW) information, group information, sector information, and carrier type information. The method also includes modulating the P-SCH sequence and mapping the modulated P-SCH sequence to subcarriers within a predefined subcarrier set. The subcarriers are included in the subcarrier set being spaced one subcarrier interval apart. The method further includes generating a P-SCH symbol by Orthogonal Frequency Division Multiplexing (OFDM)-modulating the P-SCH sequence mapped to the subcarriers, and transmitting the P-SCH symbol.

公开(公告)号：US20160036609A1

公开(公告)日：2016-02-04

申请号：US14815653

申请日：2015-07-31

Applicant: Samsung Electronics Co., Ltd

Inventor： Seok-Ki Ahn ,  Woo-Myoung Park ,  Min Sagong ,  Chi-Woo Lim ,  Sung-Nam Hong

IPC: H04L27/26 ,  H04B7/04 ,  H04L1/00

CPC classification number: H04L1/0003 ,  H04L27/3416 ,  H04L27/362

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 a Long Term Evolution (LTE). A method for transmitting data in a transmitting apparatus in a wireless communication system supporting a non-binary channel code is provided. The method includes generating at least one modulation symbol by modulating at least one code symbol based on a predetermined modulation scheme; and transmitting the at least one modulation symbol to a receiving apparatus, wherein the generating of the at least one modulation symbol comprises generating the at least one modulation symbol from the at least one code symbol to thereby reduce a number of complex modulation symbols generated from a plurality of code symbols.

Abstract translation: 本公开涉及提供用于支持超过第四代（4G）通信系统（例如长期演进（LTE））的更高数据速率的第5代（5G）或5G通信系统。 提供了一种在支持非二进制信道码的无线通信系统中的发送装置中发送数据的方法。 该方法包括：通过基于预定调制方案调制至少一个码符号来生成至少一个调制符号; 以及将所述至少一个调制符号发送到接收设备，其中所述至少一个调制符号的生成包括从所述至少一个码符号生成所述至少一个调制符号，从而减少从 多个代码符号。

公开(公告)号：US20150230118A1

公开(公告)日：2015-08-13

申请号：US14618956

申请日：2015-02-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chi-Woo Lim ,  Min Sagong ,  Sung-Nam Hong ,  Hyun-Kyu Yu ,  Kyung-Whoon Cheun

IPC: H04W24/10 ,  H04L27/34 ,  H04L1/00 ,  H04L27/10

CPC classification number: H04L1/0003 ,  H04L1/0026 ,  H04L27/10 ,  H04L27/34 ,  H04W88/08

Abstract: A method of operating a base station in a wireless communication system supporting frequency and quadrature-amplitude modulation (FQAM) is provided. The method includes receiving channel quality information and non-Gaussian information for a data region from a mobile station, and determining a MCS level on the basis of the channel quality information and the non-Gaussian information.

Abstract translation: 提供了一种在支持频率和正交幅度调制（FQAM）的无线通信系统中操作基站的方法。 该方法包括从移动台接收用于数据区域的信道质量信息和非高斯信息，以及基于信道质量信息和非高斯信息确定MCS级别。

公开(公告)号：US09008232B2

公开(公告)日：2015-04-14

申请号：US14166779

申请日：2014-01-28

Applicant: Samsung Electronics Co., Ltd

Inventor： Min Sagong ,  Chi-Woo Lim ,  Sung-Nam Hong ,  Hyun-Kyu Yu ,  Kyung-Whoon Cheun

IPC: H03K9/02 ,  H04L27/14 ,  H04L25/06 ,  H04L27/32 ,  H04L27/26 ,  H04L27/38

CPC classification number: H04L27/14 ,  H04L25/067 ,  H04L27/2647 ,  H04L27/32 ,  H04L27/38

Abstract: A method for generating a decoding metric in a wireless communication system includes receiving an FQAM symbol and determining transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol, wherein the transmission probabilities of the FQAM symbol candidates are determined by multiplying a probability that a QAM symbol included in the FQAM symbol is mapped to each of candidate values in one frequency and a probability that a signal is not transmitted in the other at least one frequency. An apparatus in a wireless communication system for supporting FQAM, the apparatus comprising an RF processing unit configured to receive an FQAM symbol, and a modem configured to determine transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol.

Abstract translation: 一种用于在无线通信系统中生成解码度量的方法，包括从FQAM符号的接收值接收FQAM符号并确定FQAM符号候选的传输概率，其中，通过将FQAM符号候选的传输概率乘以 包含在FQAM符号中的QAM符号被映射到一个频率中的候选值中的每个候选值，以及在另一个频率中不发送信号的概率。 一种用于支持FQAM的无线通信系统中的装置，该装置包括被配置为接收FQAM符号的RF处理单元和被配置为根据接收到的FQAM符号的值来确定FQAM符号候选的传输概率的调制解调器。