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노드 모니터링에 의한 효율적인 LDPC 디코딩 알고리듬

서희종
Suh, Hee-Jong

  • 투고 : 2015.10.02
  • 심사 : 2015.11.23
  • 발행 : 2015.11.30

초록

본 논문에서는 노드 모니터링(NM)과 Piecewise Linear Function Approximation(: NP)을 사용하여 LDPC 디코딩 알고리듬의 계산복잡도를 감소시키는 알고리듬을 제안한다. 이 알고리듬은 기존의 알고리듬보다도 더 효율적이다. 제안된 알고리즘이 기존의 방법보다도 개선되었다는 것을 확인하기 위해서 모의실험을 하였다. 실험결과, 제안된 알고리즘의 계산은 기존의 방법에 비해 약 20 % 향상되었음을 확인하였다.

키워드

LDPC 코드;노드 모니터링;노드-임계치;구분적 선형함수 근사

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