公开(公告)号：US12170528B2

公开(公告)日：2024-12-17

申请号：US18299250

申请日：2023-04-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Jang ,  Seho Myung ,  Hongsil Jeong ,  Yangsoo Kwon ,  Jeongho Yeo

IPC: H03M13/11

Abstract: An apparatus and method for efficiently decoding a low-density parity-check (LDPC) code in a communication or broadcasting system are provided. The disclosure relates to performing decoding of an LDPC code by using layered scheduling or a method equivalent thereto, and provides an LDPC decoding apparatus and method for improving decoding performance without increasing decoding complexity by applying appropriate decoding scheduling according to structural or algebraic characteristics of an LDPC code.

公开(公告)号：US11956076B2

公开(公告)日：2024-04-09

申请号：US18164990

申请日：2023-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Myung ,  Kyungjoong Kim ,  Min Jang ,  Hongsil Jeong

IPC: H03M13/00 ,  H03M13/11 ,  H04L1/00 ,  H04W84/04

CPC classification number: H04L1/0041 ,  H03M13/1102 ,  H03M13/116 ,  H03M13/616 ,  H03M13/618 ,  H03M13/6306 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0009 ,  H04W84/042

Abstract: The present invention related to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present invention relates to a method and an apparatus for encoding a channel in a communication or broadcasting system supporting parity-check matrices having various sizes are provided. The method for encoding a channel includes determining a block size of the parity-check matrix; reading a sequence for generating the parity-check matrix, and transforming the sequence by applying a previously defined operation to the sequence based on the determined block size.

公开(公告)号：US11937247B2

公开(公告)日：2024-03-19

申请号：US18089706

申请日：2022-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Euichang Jung ,  Seho Myung ,  Suyoung Park ,  Suha Yoon

IPC: H04W72/21 ,  H04B7/0408 ,  H04L41/0803 ,  H04W72/044

CPC classification number: H04W72/21 ,  H04B7/0408 ,  H04L41/0803 ,  H04W72/044

Abstract: Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present invention relates to a method and device for managing transmission beams of a terminal in a 5G system.

公开(公告)号：US11876534B2

公开(公告)日：2024-01-16

申请号：US17526088

申请日：2021-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seho Myung ,  Min Jang ,  Yangsoo Kwon ,  Jeongho Yeo ,  Hongsil Jeong

IPC: H03M13/00 ,  H03M13/11 ,  H04L1/00 ,  H04L25/03 ,  G16Y10/75

CPC classification number: H03M13/1102 ,  H03M13/616 ,  H04L1/0057 ,  H04L25/03184 ,  G16Y10/75

Abstract: A method may include, and/or a device may be configured for: receiving, from a transmitting device, a signal corresponding to input bits; performing demodulation based on the signal to determine values corresponding to the input bits; identifying a number of the input bits based on the signal; identifying a base matrix and a lifting size based on the number of the input bits; identifying a parity check matrix based on the base matrix; determining a number of layers based on the lifting size and a number of the values; determining an order of layers for low density parity check (LDPC) decoding based on the number of layers; and performing the LDPC decoding to determine the input bits based on the values, the parity check matrix, and the order of layers.

公开(公告)号：US11750322B2

公开(公告)日：2023-09-05

申请号：US17360330

申请日：2021-06-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoong Kim ,  Seho Myung ,  Seokki Ahn ,  Hongsil Jeong ,  Min Jang

IPC: H04L1/00 ,  H03M13/11 ,  H03M13/00 ,  H04W84/04

CPC classification number: H04L1/0058 ,  H03M13/1102 ,  H03M13/116 ,  H03M13/1111 ,  H03M13/1137 ,  H03M13/616 ,  H03M13/6362 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L2001/0093 ,  H04W84/042

Abstract: A method for channel encoding in a communication or broadcasting system is provided. The method includes determining a block size Z, and performing encoding based on the block size and a first matrix corresponding to the block size, wherein the first matrix is determined based on information and a plurality of second matrices, and wherein a part of a column index indicating a position of a non-zero element in each row of the information includes an index according to mathematical expression 22 above.

公开(公告)号：US11677497B2

公开(公告)日：2023-06-13

申请号：US17303223

申请日：2021-05-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongsil Jeong ,  Kyungjoong Kim ,  Seho Myung

IPC: H03M13/00 ,  H04L1/00 ,  H03M13/11 ,  H04L1/1812

CPC classification number: H04L1/0058 ,  H03M13/116 ,  H03M13/1148 ,  H03M13/1185 ,  H03M13/616 ,  H03M13/6306 ,  H03M13/6393 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0067 ,  H04L1/1819 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0071

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 discloses a method for effective retransmission when HARQ is applied to data encoded with a low density parity check (LDCP) code. A data transmission method of the transmitter may include: initially transmitting data encoded with an LDPC code to a receiver; receiving a negative acknowledgement (NACK) from the receiver; determining retransmission related information for data retransmission; and retransmitting, in response to the NACK, LDPC-encoded data based on the retransmission related information.

公开(公告)号：US11611766B2

公开(公告)日：2023-03-21

申请号：US17339497

申请日：2021-06-04

Applicant: Samsung Electronics Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Seho Myung ,  Kyung-Joong Kim ,  Kyeong-Cheol Yang

IPC: H04N19/30 ,  H04L1/00 ,  H04L27/34 ,  H04L27/18

Abstract: A method and an apparatus for performing a Superposition Coded Modulation (SCM) scheme in a broadcasting or communication system including a controller are provided. The method includes controlling an SCM coefficient by the controller. The SCM coefficient is controlled according to a channel capacity of each layer of one or more layers in which information included in a signal is encoded.

公开(公告)号：US11575464B2

公开(公告)日：2023-02-07

申请号：US17352713

申请日：2021-06-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Myung ,  Kyungjoong Kim ,  Min Jang ,  Hongsil Jeong

IPC: H03M13/00 ,  H04L1/00 ,  H03M13/11 ,  H04W84/04

Abstract: The present invention related to a 5G or pre-5G communication system to be provided to support a higher data transmission rate since 4G communication systems like LTE. The present invention relates to a method and an apparatus for encoding a channel in a communication or broadcasting system supporting parity-check matrices having various sizes are provided. The method for encoding a channel includes determining a block size of the parity-check matrix; reading a sequence for generating the parity-check matrix, and transforming the sequence by applying a previously defined operation to the sequence based on the determined block size.

公开(公告)号：US11362682B2

公开(公告)日：2022-06-14

申请号：US16901606

申请日：2020-06-15

Applicant: Samsung Electronics Co., Ltd. ,  SUNGKYUNKWAN UNIVERSITY RESEARCH & BUSINESS FOUNDATION

Inventor： Hongsil Jeong ,  Sang-Hyo Kim ,  Jong-Hwan Kim ,  Daehyeon Ryu ,  Seho Myung

IPC: H04L1/00 ,  H03M13/09 ,  H03M13/13 ,  H03M13/15 ,  H03M13/29 ,  H03M13/00

Abstract: An encoding method for encoding input information bits using an encoder implemented with concatenation of a CRC-α coder and a polar coder is provided. The method includes performing Cyclic Redundancy Check (CRC) coding on as many information bits as a determined number of CRC coding bits among input information bits and performing polar coding on the CRC-coded information bits and other information bits than the CRC-coded information bits.

公开(公告)号：US11223443B2

公开(公告)日：2022-01-11

申请号：US16906660

申请日：2020-06-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Jang ,  Seokki Ahn ,  Seho Myung ,  Hongsil Jeong ,  Kyungjoong Kim ,  Jaeyoel Kim

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/00

Abstract: 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) are provided. The 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 method and apparatus for polar encoding and rate-matching are disclosed.