Modified LDPC decoding rule for pulse position modulation

• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2012,（z1）
• 页码范围: 32-34
• 页数: 3页
• 语种: 英文
• DOI: 10.3788/COL201210.S10605

摘要

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.