Self-adjustable offset min-sum algorithm for ISDB-S2 LDPC decoder

Wen Ji, Makoto Hamaminato, Hiroshi Nakayama, Satoshi Goto

研究成果: Article査読

4 被引用数 (Scopus)

抄録

In this paper, a novel self-adjustable offset min-sum LDPC decoding algorithm is proposed for ISDB-S2 application. We present for the first time a uniform approximation of the check node operation through mathematical induction on Jacobian logarithm and theoretically shows that the offset value is mainly dependent on the difference of the two most unreliable inputs from the bit nodes, which makes the offset value adjustable during the iterative decoding procedure. Simulation results for all 11 code rates of ISDB-S2 demonstrate that the proposed method can achieve an average of 0.15 dB gain compared to the Min-sum based algorithms, and consumes only 1.21% computation complexity compared to BP-based algorithms in the best case.

本文言語English
ページ(範囲)1283-1289
ページ数7
ジャーナルIEICE Electronics Express
7
17
DOI
出版ステータスPublished - 2010 9 10

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

フィンガープリント

「Self-adjustable offset min-sum algorithm for ISDB-S2 LDPC decoder」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル