Size compatible (SC)-array LDPC codes

Daisuke Abematsu, Tomoaki Ohtsuki, Sigit P.W. Jarot, Tsuyoshi Kashima

研究成果: Conference contribution

10 被引用数 (Scopus)

抄録

Array low density parity check (LDPC) codes are high-rate codes that can achieve good error rate performance in additive white Gaussian noise (AWGIS) channels. However, array LDPC codes do not support arbitrary code lengths, because the code length of an array LDPC code with good error rate performance is limited to a multiple of a prime number. This paper proposes Size Compatible (SC)-array LDPC codes; they achieve good error rate performance while supporting arbitrary code lengths. We conduct computer simulations to evaluate the block error rate (BLER) performance of SC-array LDPC codes in AwGN channels. We also evaluate the corresponding performance of SC-array LDPC coded multiband OFDM systems for data transmission rates over 1 Gbps in the UWB multipath channel model CM 3. We show that if the submatrix size is a nonprime number, SC-array LDPC codes achieve better error rate performance than the conventional array LDPC codes in AWGN channels. We also show that the SC-array LDPC codes achieve better error rate performance than the punctured array LDPC codes in AWGN channels. We also show that if the submatrix size is a prime number, SC-array LDPC codes achieve the same error rate performance as conventional array LDPC codes in AWGN channels. Moreover, we show that for multiband OFDM systems with data transmission rates of over 1 Gbps, SC-array LDPC codes achieve better error rate performance than conventional array LDPC codes.

本文言語English
ホスト出版物のタイトル2007 IEEE 66th Vehicular Technology Conference, VTC 2007-Fall
ページ1147-1151
ページ数5
DOI
出版ステータスPublished - 2007 12月 1
イベント2007 IEEE 66th Vehicular Technology Conference, VTC 2007-Fall - Baltimore, MD, United States
継続期間: 2007 9月 302007 10月 3

出版物シリーズ

名前IEEE Vehicular Technology Conference
ISSN(印刷版)1550-2252

Other

Other2007 IEEE 66th Vehicular Technology Conference, VTC 2007-Fall
国/地域United States
CityBaltimore, MD
Period07/9/3007/10/3

ASJC Scopus subject areas

  • コンピュータ サイエンスの応用
  • 電子工学および電気工学
  • 応用数学

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