| 引用本文: | 高峰,孙玲芬,陈显治.离散多音调制中一种改进的动态能量分配方法.[J].国防科技大学学报,1998,20(3):57-60.[点击复制] |
| Gao Feng,Sun Lingfeng,Chen xianzhi.An Improved Method of Dynamical Energy Allocation in Discrete Multitone Modulation Systems[J].Journal of National University of Defense Technology,1998,20(3):57-60[点击复制] |
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| 离散多音调制中一种改进的动态能量分配方法 |
| 高峰, 孙玲芬, 陈显治 |
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(国防科技大学 电子工程学院 湖南 长沙 410073)
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| 摘要: |
| 本文探讨了离散多音调制(DMT)中的动态能量分配的特点和应用范围, 并分析了几种典型的动态能量分配方法。在此基础上, 本文提出了一种改进的分配方法。计算机模拟结果表明, 该方法不仅降低了运算复杂度, 而且性能近于最优。文章最后还探讨了动态能量分配中尚待进一步解决的问题。 |
| 关键词: 离散多音调制, 动态能量分配, 子信道(子带) |
| DOI： |
| 投稿日期：1997-09-12 |
| 基金项目: |
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| An Improved Method of Dynamical Energy Allocation in Discrete Multitone Modulation Systems |
| Gao Feng, Sun Lingfeng, Chen xianzhi |
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(Institute of Electronic Engineering, NUDT, Changsha, 410073)
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| Abstract: |
| This paper presents briefly the features and the application range of dynamical energy allocation (DEA) at first. Then it proposes an improved DEA scheme based on the analysis of some typical DEA schemes and gives computer simulation results. Finally, some problems which remain to be further studied are discussed. |
| Keywords: discrete multitone modulation, dynamical energy allocation, sub-channel |
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