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Registered MODULATOR USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW DENSITY PARITY CHECK CODEWORD WITH 4/15 CODE RATE, AND METHOD USING THE SAME

부호율이 4/15인 LDPC 부호어를 위한 비균등 16-심볼 신호성상을 이용한 변조기 및 이를 이용한 변조 방법
이미지 확대
Inventors
Kwon Sun Hyoung, Sung Ik Park, Lee Jae-Young, Heung Mook Kim, Namho Hur
Application No.
10-2015-0017770 (2015.02.05) KIPRIS
Publication No.
10-2015-0095571 (2015.08.21)
Registration No.
10-2323764-0000 (2021.11.03)
Country
KOREA
Project Code
13PR3900, Developement of Terrestrial Broadcasting Technology for Next Generation DTV, Heung Mook Kim
Abstract
비균등 16-심볼 신호성상을 이용한 변조기 및 변조 방법이 개시된다. 본 발명의 일실시예에 따른 비균등 16-심볼 신호성상을 이용한 변조기는 부호율이 4/15인 LDPC 부호(LDPC code)에 상응하는 부호어(codeword)를 수신하는 메모리; 및 상기 부호어를 4비트 단위로 비균등 16-심볼 신호성상의 16개 심볼들에 맵핑하는 프로세서를 포함한다.
KSP Keywords
LDPC codes, Low Density Parity Check(LDPC), Non-uniform, code rate, low density, parity check, signal constellation
Family
 
패밀리 특허 목록
Status Patent Country KIPRIS
Registered MODULATOR USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW DENSITY PARITY CHECK CODEWORD WITH 4/15 CODE RATE, AND METHOD USING THE SAME KOREA KIPRIS
Registered MODULATOR AND MODULATION METHOD USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING 4/15 CODE RATE MEXICO
Registered Non-uniform singal constellation for next generation broadcasting system MEXICO
Registered MODULATOR AND MODULATION METHOD USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING 4/15 CODE RATE MEXICO
Registered Non-uniform singal constellation for next generation broadcasting system UNITED STATES
Registered Non-uniform singal constellation for next generation broadcasting system UNITED STATES
Registered Non-uniform singal constellation for next generation broadcasting system UNITED STATES
Registered MODULATOR AND MODULATION METHOD USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING 4/15 CODE RATE UNITED STATES
Registered Non-uniform singal constellation for next generation broadcasting system UNITED STATES
Registered MODULATOR AND MODULATION METHOD USING NON-UNIFORM 16-SYMBOL SIGNAL CONSTELLATION FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING 4/15 CODE RATE CANADA
Registered Non-uniform singal constellation for next generation broadcasting system CANADA
Registered Non-uniform singal constellation for next generation broadcasting system CANADA