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基于多参数加权分数阶傅里叶变换的星座预编码系统研究与实现

梁源 达新宇

梁源, 达新宇. 基于多参数加权分数阶傅里叶变换的星座预编码系统研究与实现[J]. 电子与信息学报, 2018, 40(4): 825-831. doi: 10.11999/JEIT170673
引用本文: 梁源, 达新宇. 基于多参数加权分数阶傅里叶变换的星座预编码系统研究与实现[J]. 电子与信息学报, 2018, 40(4): 825-831. doi: 10.11999/JEIT170673
LIANG Yuan, DA Xinyu. Analysis and Implementation of Constellation Precoding System Based on Multiple Parameters Weighted-type Fractional Fourier Transform[J]. Journal of Electronics & Information Technology, 2018, 40(4): 825-831. doi: 10.11999/JEIT170673
Citation: LIANG Yuan, DA Xinyu. Analysis and Implementation of Constellation Precoding System Based on Multiple Parameters Weighted-type Fractional Fourier Transform[J]. Journal of Electronics & Information Technology, 2018, 40(4): 825-831. doi: 10.11999/JEIT170673

基于多参数加权分数阶傅里叶变换的星座预编码系统研究与实现

doi: 10.11999/JEIT170673
基金项目: 

国家自然科学基金(61271250, 61571460)

Analysis and Implementation of Constellation Precoding System Based on Multiple Parameters Weighted-type Fractional Fourier Transform

Funds: 

The National Natural Sience Foundation of China (61271250, 61571460)

  • 摘要: 针对当前多参数加权分数阶傅里叶变换(Multiple Parameters Weighted-type FRactional Fourier Transform, MP-WFRFT)星座特征缺乏定量研究的缺限,该文提出一种新型的星座叠加数学模型。通过分别研究信号的时域及频域分量,给出了星座模糊及裂变的定性及定量分析结论,并搭建了基于MP-WFRFT的星座预编码系统。通过构建相关混合整数优化模型,并利用遗传算法进行模型优化,进而设计出符合预期通信需求的预编码系统。经仿真分析,验证了所提出的星座叠加数学模型及优化方案的正确性;同时通过USRP硬件平台测试表明了所搭建的基于MP-WFRFT星座预编码系统的可行性。
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出版历程
  • 收稿日期:  2017-07-07
  • 修回日期:  2017-11-29
  • 刊出日期:  2018-04-19

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