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OFDM系统中基于符号变换的ICI自消除改进方法 被引量：9

Improved ICI Self-Cancellation Scheme for OFDM System Based on Symbol Transform
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摘要 为了有效消除ICI的影响,该文在ICI自消除方法的基础上提出基于符号变换的改进方法。该方法是对原有的ICI自消除方法的拓展,以符号变换矩阵为平台,增加了设计的灵活性。可通过对最优变换矩阵的设计,达到在相同频谱利用率下比传统ICI自消除方法更好的ICI抑制效果和更宽的抑制频偏范围。仿真结果验证了该方法的有效性。 Based on the existing intercarrier interference （ICI） self-cancellation scheme, we propose an improved scheme using symbol transform for canceling the ICI effectively. This scheme builds a symbol transform matrix as platform to extend the existing scheme and increase flexibility of design. Through the optimal design of transform matrix, compared with the existing scheme, the improved scheme can reduce ICI more effectively and broaden the applicable frequency offset scope. Simulations show the validity of the scheme.
作者 秦文 彭启琮
机构地区 电子科技大学通信与信息工程学院
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2008年第5期641-644,共4页 Journal of University of Electronic Science and Technology of China
基金 国家自然科学基金(60496313)
关键词 子载波间干扰 正交频分复用 自消除方法 符号变换 ICI OFDM self-cancellation scheme symbol transform
分类号 TN929 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献10

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共引文献5

同被引文献79

  • 1赵玉萍.OFDM系统中子载频之间的干扰及抗干扰方法的分析[J].无线电工程,2000,30(12):32-34. 被引量：2
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  • 6MULLER S H. Optimum nyquist windowing in OFDM receivers[J]. IEEE Transactions on Communications, 2001, 49( 1 ) : 417-420.
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引证文献9

二级引证文献14

电子科技大学学报
2008年 第5期

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