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1篇 您的检索式:作者名="Keqian Yan"
    题名 作者 年代 出处 被引量
1Non-Uniform APSK Optimization for BICM Systems显示文摘Traditional Amplitude Phase Shift Keying(APSK) consists of rings with points uniformly spaced. By giving up this uniform-spacing feature, we propose an APSK optimization method based on the uniform APSK with Gray labeling(Gray-APSK). The aim of the optimization is to maximize the Generalized Mutual Information(GMI)of Bit-Interleaved Coded Modulation(BICM) for the targeted code rate and channel. We show that our optimized non-uniform APSK could offer further performance gain compared with the conventional uniform Gray-APSK and considerably outperforms the traditional quadrature amplitude modulation at the targeted SNR and channel.Keqian Yan Kewu Peng Fang Yang Jian Song 2015Tsinghua Science and Technology2015,20,2:0
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