Chinese Optics Letters, Volume. 10, Issue s1, S10605(2012)
Modif ied LDPC decoding rule for pulse position modulation
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
Paper Information
Category: Fiber Optics and Optical Communications
Received: Nov. 22, 2011
Accepted: Jan. 18, 2012
Published Online: May. 18, 2012
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