Samsung Electronics Co., Ltd.

Postech Academy-industry Foundation

Postech Foundation

Yonsei University

Jae-Yoel Kim

Hong-Sil Jeong

Hak-Ju Lee

Seho Myung

Dong-seek Park

Kyeong-Cheol Yang

Sung-Eun Park

Se-Ho Myung

Hwan-Joon Kwon

Sung-ryul Yun

Hee-Won Kang

Hyun-Koo Yang

Yeon-Ju Lim

Seung-Hoon Choi

Chi-Woo Lim

Ho-Kyu Choi

Jae-min Ahn

Sung-Oh Hwang

Sung-Ho Choi

Young-Ky Kim

Min Jung Jang

Kook-Heui Lee

Chan-Byoung Chae

Kyung-joong Kim

Seung-Joo Maeng

Chang-soo Park

Jin-Hee Jeong

Ju-Ho Lee

Pan-Yuh Joo

Hyeon-Woo Lee

Young-Ho Kim

Hi-Chan Moon

Soon-Young Yoon

Youn-Sun Kim

Yong-Jun Kwak

Jun-Jin Kong

Jin-Soo Park

Chang-Hoi Koo

Min Hee Jang

Sang-Kyung Sung

Joon-Goo Park

Joon-Young Cho

Young-Bum Kim

Jung-Je Son

Sung-Hoon Kim

Sung-Jin Kim

Jae-Weon Cho

Peter Jung

Hyo-Jin Lee

Young-Kwon Cho

Hak-ju Lee

Gyu-Bum Kyung

Sung-Ryul Yun

Hyun-Woo Lee

Seok-Ki Ahn

Dong-Seek Park

Woo-Myoung Park

Seong-Ill Park

Kyung-Joong Kim

Jong-Seon No

Jae-Min Ahn

Won-Il Roh

Jeong-Tae Oh

Jin-hee Jeong

Kyun-Byoung Ko

Sang-Hwan Park

Thierry Lestable

Byung-Jae Kwak

Hyun-Suk Lee

Young-Soo Park

Hong-sil Jeong

Seok-Hyun Yoon

Kyou-Woong Kim

Jae-Sung Jang

Ki-Ho Jung

Ji-Ho Jang

Young-Kyun Kim

Chang-Soo Park

Eun-Taek Lim

Hyun-Seok Lee

Beong-Jo Kim

Chang-Ho Suh

Dong-Min Shin

Jin-Weon Chang

Yong-Suk Lee

Geun-Ho Lee

Min Jun Jang

Su-Won Park

Joong-Ho Jeong

Hi Chan Moon

Kyeongcheol Yang

Sie-Joon Cho

Min-Koo Kim

Myeong-Sook Seo

Katz Marcos Daniel

Seok Hyun Yoon

Hyun-Jung Mun

Kwang-Taik Kim

Gyu Bum Kyung

Dae-Kwon Jung

A channel encoding method in a communication or broadcasting system is provided. The channel encoding method includes reading a first sequence corresponding to a parity check matrix, converting the first sequence to a second sequence by applying a certain rule to a block size corresponding to a parity check matrix and the first sequence, and encoding information bits based on the second sequence. The block size has at least two different integer values.

Method and apparatus for channel encoding/decoding in a communication or broadcasting system

Methods and an apparatuses are provided for transmitting and receiving signaling information in a digital broadcasting system. A method includes encoding first signaling information for a physical layer to generate a first coded block; encoding second signaling information to generate a second coded block; and transmitting a frame including the first coded block, the second coded block, and at least one physical layer pipe (PLP) data. The first signaling information has a fixed number of bits. The second signaling information has a variable number of bits. The first signaling information comprises information indicating a forward error correction (FEC) type used for the second signaling information. The second signaling information comprises information indicating a modulation scheme of a related PLP, and information indicating a code rate of the related PLP.

Method and apparatus for transmitting/receiving control information in a wireless communication system

An apparatus is provided for channel encoding in a communication system using an LDPC code. The apparatus includes at least one processor configured to encode input bits using a Bose-Chaudhuri-Hocquenghem (BCH) code, shorten one or more bits of the encoded input bits according to a number of bit groups to be shortened and an order among a plurality of orders according to which the bit groups are shortened, wherein the number of bit groups to be shortened is based on a number of bits to be shortened which is based on a number of the encoded input bits, encode information bits including the encoded input bits and the shortened one or more bits, using an LDPC code to generate parity bits, and puncture one or more bits in the parity bits based on a puncturing parameter among puncturing parameters; and a transmitter configured to transmit a signal that is generated from the encoded information bits based on the punctured one or more bits. The plurality of orders are based on the puncturing parameters and include a first order and a second order that is different from the first order.

Method and apparatus for channel encoding and decoding in a communication system using a low-density parity check code

A method and an apparatus are provided for receiving signaling information in a digital broadcasting system. The method includes receiving a frame including a first coded block, a second coded block, and at least one physical layer pipe (PLP) data; decoding the first coded block to identify first signaling information for a physical layer; and decoding the second coded block to identify second signaling information. The first signaling information has a fixed number of bits. The second signaling information has a variable number of bits. The first signaling information includes information indicating a forward error correction (FEC) type of the second signaling information for receiving the second signaling information. The second signaling information includes information indicating a modulation scheme used for related PLP data.

A method is provided for channel encoding in a communication system using an LDPC code. The method includes encoding input bits using a BCH code, shortening bits of the encoded input bits according to a number of bit groups to be shortened and an order among a plurality of orders according to which the bit groups are shortened, wherein the number of bit groups to be shortened is based on a number of bits to be shortened, which is based on a number of the encoded input bits, encoding information bits including the encoded input bits and the shortened one or more bits, using an LDPC code to generate parity bits, puncturing bits in the parity bits based on a puncturing parameter among puncturing parameters, and transmitting a signal generated from the encoded information bits based on the punctured bits. The plurality of orders being based on the puncturing parameters and including first and second orders.

The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate beyond the 4G communication system such as LTE. A decoding method using a polar code according to an embodiment of the present disclosure comprises the steps of: determining a first function for decoding input bits and a second function, which is independent from a log likelihood ratio (LLR) value of a previous input bit by the first function; and decoding the input bits in parallel using the first function and the second function. Also, the method comprises the steps of: determining an internal frozen bit using at least one input frozen bit which has a predetermined value of a predetermined position from among the input bits; and determining LLR values for layer bits sequentially from the higher layers of N layers.

Decoding method and apparatus in wireless communication system

A method and apparatus for channel encoding and channel decoding in a wireless communication system are provided. The channel encoding method includes generating a first parity set and a second parity set based on information bits, determining a number of additional parity bits based on a number of the information bits and a required coding rate, generating the determined number of additional parity bits using the information bits, and generating a codeword including the information bits, the first parity set, the second parity set, and the generated additional parity bits.

Method and apparatus for channel encoding an channel decoding in a wireless communication system

A method and an apparatus are provided for transmitting and receiving signaling information in a digital broadcasting system. The method includes encoding first signaling information for a physical layer to generate a first coded block; encoding second signaling information to generate a second coded block; and transmitting a frame including the first coded block, the second coded block, and at least one physical layer pipe (PLP) data. The first signaling information has a fixed number of bits, and the second signaling information has a variable number of bits. The first signaling information includes information indicating a forward error correction (FEC) type of the second signaling information for receiving the second information, and the second signaling information includes information indicating a modulation scheme used for a related PLP data.

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.

Method and apparatus for transmitting/receiving signal in communication system

A 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE) is disclosed. The present disclosure relates to a rate compatible low-density parity-check (RC-LDPC) encoding method and device therefor. The encoding method includes using LDPC in a communication system, including the operations of LDPC encoding information bits by a first encoding rate, and performing a concatenated single parity check (SPC) encoding for the encoded bits by at least one second encoding rate lower than the first encoding rate.

Encoding method and device using rate-compatible, low-density parity-check code in communication system

Growing community of inventors

Suwon-si, South Korea

Jae-Yoel Kim