Modif ied LDPC decoding rule for pulse position modulation

Yongsheng Wu; Aiying Yang; Yunan Sun; Qiuling Zhao

doi:10.3788/col201210.s10605

Journals >Chinese Optics Letters >Volume 10 >Issue s1 >Page S10605 > Article

Chinese Optics Letters
Vol. 10, Issue s1, S10605 (2012)

Modif ied LDPC decoding rule for pulse position modulation

Yongsheng Wu, Aiying Yang, Yunan Sun, and Qiuling Zhao

DOI: 10.3788/col201210.s10605 Cite this Article Set citation alerts

Yongsheng Wu, Aiying Yang, Yunan Sun, Qiuling Zhao. Modif ied LDPC decoding rule for pulse position modulation[J]. Chinese Optics Letters, 2012, 10(s1): S10605 Copy Citation Text

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Abstract

In this letter, a modified grouped bit-flipping decoding algorithm for low-density parity-check (LDPC) coded pulse position modulation (PPM) signals is proposed. The improvement in performance is observed by Monte Carlo simulations. The coding gain is more than 1 and 2 dB for the order numbers of PPM of 4 and 16 respectively.

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Yongsheng Wu, Aiying Yang, Yunan Sun, Qiuling Zhao. Modif ied LDPC decoding rule for pulse position modulation[J]. Chinese Optics Letters, 2012, 10(s1): S10605

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