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FEI Ze-song, YANG Yu, LIU Lin-nan, KUANG Jing-ming. Optimization of Mapping Rule of Bit-Interleaved Turbo Coded Modulation with 16QAM[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(1): 18-21.
Citation: FEI Ze-song, YANG Yu, LIU Lin-nan, KUANG Jing-ming. Optimization of Mapping Rule of Bit-Interleaved Turbo Coded Modulation with 16QAM[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(1): 18-21.

Optimization of Mapping Rule of Bit-Interleaved Turbo Coded Modulation with 16QAM

  • Received Date:2003-08-27
  • Optimization of mapping rule of bit-interleaved Turbo coded modulation with 16 quadrature amplitude modulation(QAM) is investigated based on different impacts of various encoded bits sequence on Turbo decoding performance. Furthermore, bit-interleaved in-phase and quadrature phase(I-Q) Turbo coded modulation scheme are designed similarly with I-Q trellis coded modulation(TCM). Through performance evaluation and analysis, it can be seen that the novel mapping rule outperforms traditional one and the I-Q Turbo coded modulation can not achieve good performance as expected. Therefore, there is not obvious advantage in using I-Q method in bit-interleaved Turbo coded modulation.
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