| OFDM 系统的频率同步技术研究 |
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| 引用本文： | 闫明松.OFDM 系统的频率同步技术研究[J].航空电子技术,2012(2):1-4. |
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| 作者姓名： | 闫明松 |
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| 作者单位： | 海军驻上海地区航空军事代表室,上海市200233 |
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| 摘 要： | 频率偏差会导致 OFDM 系统的子载波间干扰,系统性能的下降.本文建立仿真模型,并对不同频率偏差对系统性能的影响进行了仿真研究.结合仿真分析,针对 LTE 下行 OFDM 系统中的频率同步技术给出了一种合适的同频偏估计和补偿的方案,仿真验证了其有效性和可行性
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| 关 键 词： | 正交频率分布多路传输(OFDM) 频偏估计 频偏补偿 |
Research on Frequency Synchronization for OFDM System |
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| YAN Ming-song.Research on Frequency Synchronization for OFDM System[J].Avionics Technology,2012(2):1-4. |
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| Authors: | YAN Ming-song |
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| Institution: | YAN Ming-song (Aeronautical Military Representative Bureau Resident in Shanghai Region for Naval Force, Shanghai 200233, China) |
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| Abstract: | OFDM system is sensitive to frequency offset, which leads to orthogonality loss between the sub-carriers and thereby degrades the system performance. By building a simulation model, the influence of the different frequency offset on the system performance is investigated. Joint with the result analysis, this paper introduces a joint scheme of pilot-based frequency offset estimation and frequency offset compensation for OFDM system in LTE. The effectiveness is verified with the simulation. |
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| Keywords: | orthogonal frequency division multiplexing （OFDM） frequency offset estimation compensation |
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