APPARATUS AND METHOD FOR ENCODING AND DECODING USING POLAR CODE IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20230139488A1

    公开(公告)日:2023-05-04

    申请号:US18148683

    申请日:2022-12-30

    IPC分类号: H04L1/00 H03M13/15 H03M13/13

    摘要: The disclosure relates to 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). 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 disclosure relates to encoding and decoding by using a polar code in a wireless communication system, and an operation method of a transmission-end apparatus includes determining segmentation and the number of segments, based on parameters associated with encoding of information bits, encoding the information bits according to the number of check bits, and transmitting the encoded information bits to a reception-end apparatus.

    DEVICE AND METHOD FOR DECODING POLAR CODE IN COMMUNICATION SYSTEM

    公开(公告)号:US20230034299A1

    公开(公告)日:2023-02-02

    申请号:US17788526

    申请日:2020-12-17

    发明人: Min JANG Jonghwan KIM

    IPC分类号: H03M13/15 H03M13/39

    摘要: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a post-4th generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure is for decoding a polar code in a communication system. An operation method of a reception device comprises the steps of: receiving data encoded by means of a polar code and comprising a plurality of bits; confirming one or more bits which do not require a decoding operation among the plurality of bits; and decoding at least some of the bits remaining after excluding the one or more bits.

    METHOD AND APPARATUS FOR DECODING POLAR CODE IN COMMUNICATION AND BROADCASTING SYSTEM

    公开(公告)号:US20220278772A1

    公开(公告)日:2022-09-01

    申请号:US17749854

    申请日:2022-05-20

    发明人: Min JANG Hyuntack LIM

    IPC分类号: H04L1/00 H03M13/09 H03M13/00

    摘要: The disclosure proposes a technique for achieving validity decision performance of a suitable level in communication and broadcasting systems using a polar code. The polar code is a channel code in which it is difficult to use a syndrome check due to a successive cancellation (SC)-based decoding operation and coding structure. Accordingly, in the communication of the related art and broadcasting systems using the polar code, a validity check of a decoding result has been performed by using a path-metric (PM) generated during decoding and a concatenated error detection code, such as a cyclic redundancy check (CRC) code. However, it is difficult to achieve target error detection performance only via such methods when the length of the CRC code is short or when input and output lengths of a code are short. In this regard, an embodiment of the disclosure proposes a method for obtaining a Euclidean distance-based metric between a received signal and a decoded signal by using an estimated codeword output bit sequence, and performing post error detection based on this.

    METHOD AND APPARATUS FOR DECODING DATA IN COMMUNICATION OR BROADCASTING SYSTEM

    公开(公告)号:US20210351792A1

    公开(公告)日:2021-11-11

    申请号:US17443296

    申请日:2021-07-23

    摘要: Disclosed are a communication scheme and a system thereof for converging IoT technology and a 5G communication system for supporting a high data transmission rate beyond that of a 4G system. The disclosure can be applied to intelligent services (for example, services related to a smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety) based on the 5G communication technology and the IoT-related technology. A decoding method includes: performing decoding through an inner code; detecting an error through an outer code; determining a re-encoding method; and performing re-encoding. A method for processing a signal includes decoding a first layer signal to determine first LDPC information bits, encoding the first LDPC information bits and a first parity bits to determine second parity bits; identifying a part of the first LDPC information bits, and decoding a second layer signal.

    APPARATUS AND METHOD FOR CHANNEL ENCODING/DECODING IN COMMUNICATION OR BROADCASTING SYSTEM

    公开(公告)号:US20200083904A1

    公开(公告)日:2020-03-12

    申请号:US16685566

    申请日:2019-11-15

    IPC分类号: H03M13/11 H03M13/00

    摘要: 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 apparatus and a method for channel encoding and decoding in a communication or broadcasting system is provided. According to the present disclosure, the method for channel encoding in a communication or broadcasting system includes determining a block size Z, and performing encoding based on the block size and a parity check matrix corresponding to the block size, in which the block size is included in any one of the plurality of block size groups and the parity check matrix is different for each block size group.