公开(公告)号：US20230253984A1

公开(公告)日：2023-08-10

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

CPC classification number: H03M13/1111 ,  H03M13/118

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：US20230063850A1

公开(公告)日：2023-03-02

申请号：US17979289

申请日：2022-11-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho MYUNG ,  Kyungjoong KIM ,  Seokki AHN ,  Hongsil JEONG ,  Min JANG

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

Abstract: A pre-5th-generation (pre-5G) or 5G communication system for supporting higher data rates beyond a 4th-generation (4G) communication system, such as long term evolution (LTE) is provided. A channel encoding method in a communication or broadcasting system includes identifying an input bit size, determining a block size (Z), determining a low density parity check (LDPC) sequence to perform LDPC encoding, and performing the LDPC encoding based on the LDPC sequence and the block size.

公开(公告)号：US20220224359A1

公开(公告)日：2022-07-14

申请号：US17657929

申请日：2022-04-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokki AHN ,  Kyungjoong KIM ,  Seho MYUNG ,  Hongsil JEONG ,  Min JANG

IPC: H03M13/25 ,  H04L1/00 ,  H03M13/00 ,  H03M13/29 ,  H03M13/11 ,  H03M13/03

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 channel encoding method in a communication or broadcasting system includes identifying an input bit size, determining a block size (Z), determining an LDPC sequence for LDPC encoding, and performing the LDPC encoding based on the LDPC sequence and the block size.

公开(公告)号：US20220140944A1

公开(公告)日：2022-05-05

申请号：US17433152

申请日：2020-02-21

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

Inventor： Min JANG ,  Sanghyo KIM ,  Hyunjae LEE ,  Hyosang JU ,  Jonghwan KIM ,  Hyuntack LIM ,  Hongsil JEONG

IPC: H04L1/00 ,  H04L1/20

Abstract: The present disclosure relates to a 5th (5G) generation) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th (4G) generation communication system such as long term evolution (LTE). The present disclosure relates to false alarm detection of detecting in a wireless communication system, and an operating method of a receiving node may include receiving a signal from a transmitting node, obtaining a plurality of decoding paths by decoding bits contained in the received signal, and determining whether the decoding is successful based on a detection metric determined based on values representing path metrics of the plurality of the decoding paths.

公开(公告)号：US20220116135A1

公开(公告)日：2022-04-14

申请号：US17559300

申请日：2021-12-22

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.

公开(公告)号：US20210281279A1

公开(公告)日：2021-09-09

申请号：US17277041

申请日：2019-07-23

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

Inventor： Min JANG ,  Sanghyo KIM ,  Hyunjae LEE ,  Hyosang JU ,  Jonghwan KIM ,  Hongsil JEONG

IPC: H03M13/11 ,  H03M13/13 ,  H03M13/09 ,  H03M13/00

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure relates to encoding and decoding using a polar code in a wireless communication system. A method for operation of a first device in a wireless communication system may comprise the steps of: among sub-blocks including at least one node, identifying at least one inactive sub-block to deactivate the node operation in the sub-blocks; encoding data by using a construction matrix determined on the basis of the at least one inactive sub-block; and transmitting the encoded data to a second device.

公开(公告)号：US20210013902A1

公开(公告)日：2021-01-14

申请号：US16914801

申请日：2020-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min JANG ,  Hyuntack LIM ,  Hongsil JEONG

IPC: H03M13/15 ,  H04B1/06

Abstract: The 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 of a receiving device in a communication system is provided. The method includes receiving a signal, and decoding the received signal based on a polar decoding scheme which is based on a successive cancellation (SC) scheme to estimate an information sequence, wherein, in the polar decoding scheme, a second number of parity bits among a first number of parity bits of an outer code included in an input bit sequence to a polar encoder are used in an error detection operation, and a third number of parity bits among the first number of parity bits are used in an error correction operation.

公开(公告)号：US20200350927A1

公开(公告)日：2020-11-05

申请号：US16855524

申请日：2020-04-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min JANG ,  Hyuntack LIM ,  Hongsil JEONG ,  Hayoung YANG ,  Joohyun LEE

IPC: H03M13/11 ,  H03M13/00

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 disclosure provides decoding of a low-density parity-check (LDPC) code in a wireless communication system, and a decoding method of the LDPC code may include receiving a codeword, performing decoding iterations on the codeword a predefined maximum number of times using a parity check matrix, performing partial decoding using a partial area of the parity check matrix, and determining decoding success or failure of the codeword based a result of the partial decoding.

公开(公告)号：US20200092038A1

公开(公告)日：2020-03-19

申请号：US16676026

申请日：2019-11-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho MYUNG ,  Kyungjoong KIM ,  Min JANG ,  Hongsil JEONG

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

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：US20200083985A1

公开(公告)日：2020-03-12

申请号：US16685193

申请日：2019-11-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoong KIM ,  Seho MYUNG ,  Seokki AHN ,  Hongsil JEONG ,  Min JANG

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

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.