基于802.16e的同步技术研究 |
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引用本文: | 袁江楠,谈恩民.基于802.16e的同步技术研究[J].大众科技,2012,14(4):75-77. |
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作者姓名: | 袁江楠 谈恩民 |
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作者单位: | 桂林电子科技大学电子工程与自动化学院,广西桂林,541004 |
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摘 要: | 在802.16e系统中,接收端对同步精度有很高的要求,同步误差会导致系统性能的急剧下降。文章介绍了OFDMA的基本概念和体系结构,分析了同步误差对系统性能的影响,并对系统的同步估计算法进行了分析与研究。
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关 键 词: | OFDMA 循环前缀 同步 最大似然估计 |
SynchronousTechnology Research Based on the 802.16 e |
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Abstract: | In the system of 802.16e,the receiver has high requirements for synchronization accuracy and synchronization error will lead to a sharp decline in system performance.In this paper,the basic concepts and architecture of OFDM are introduced,and the effects of synchronization errors on system performance are also analyzed,at last,the system synchronization estimation algorithm is researched. |
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Keywords: | OFDMA Cyclic prefix Synchronization Maximum likelihood estimation |
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