| OFDM通信系统技术分析及其展望 |
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| 引用本文： | 张云剑. OFDM通信系统技术分析及其展望[J]. 山西电子技术, 2005, 0(6): 10-11,19 |
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| 作者姓名： | 张云剑 |
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| 作者单位： | 南京解放军理工大学通信工程学院,江苏南京210007 |
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| 摘 要： | 正交频分复用（OFDM）技术是当今高速无线通信领域中的研究与应用热点，它具有抗多径衰落、频谱利用率高、采用自适应调制等优点，被普遍认为是宽带无线接入和第四代移动通信系统中的关键技术之一。首先对OFDM的基本原理进行了介绍，接着重点对此技术的优点和缺点进行了分析，随后对其技术发展现状进行了分析，并对其发展作出了展望。
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| 关 键 词： | 正交频分复用 频率选择性衰落 |
| 收稿时间： | 2005-06-07 |
| 修稿时间： | 2005-06-07 |
Technique Analyses and Expectation for OFDM System |
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| Zhang Yunjian. Technique Analyses and Expectation for OFDM System[J]. Shanxi Electronic Technology, 2005, 0(6): 10-11,19 |
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| Authors: | Zhang Yunjian |
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| Affiliation: | Institute of Communication and Engineering, PLAUST, Nanjing Jiangsu 210007, China |
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| Abstract: | OFDM(Orthogonal Frenquency Division Multiplexing) is a popular topic of research and application in high speed wireless communication field,and generally regarded as one of the core technologies in the 4th mobile communication system due to its good performance of antimulti-path fading,high frequency efficiency and self-adaptation modulation.In this article,it introduces first the basic principles of OFDM,then gives the analysis of its advantages and disadvantages,analyses the actualities of development on OFDM,and finally brings forward the prospect of this technology. |
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| Keywords: | OFDM the selected decline of frequency |
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