| OFDM中降低PAPR(峰值功率比)算法改进浅析 |
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| 引用本文： | 张永馨,沈卓君.OFDM中降低PAPR(峰值功率比)算法改进浅析[J].科学技术与工程,2009,9(2). |
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| 作者姓名： | 张永馨 沈卓君 |
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| 作者单位： | 桂林工学院,电子与计算机系,桂林,541004 |
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| 摘 要： | OFDM(正交频分复用调制技术)技术以其抗干扰性能强、频谱利用率相对很高,在无线通信应用中有很好的发展前景.同时OFDM中的高峰值功率比(PAPR)已成为影响OFDM技术应用的重要障碍.对目前降低OFDM系统PAPR的常规算法及其改进方案进行了分析;并对传统算法在性能方面进行深入分析,以供在实际应用作为参考.
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| 关 键 词： | 正交频分复用 峰均比 选择性映射 部分传输序列 |
Analysis of the Algorithm to Reduce the PAPR in OFDM System |
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| ZHANG Yong-xin,SHEN Zhuo-jun.Analysis of the Algorithm to Reduce the PAPR in OFDM System[J].Science Technology and Engineering,2009,9(2). |
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| Authors: | ZHANG Yong-xin SHEN Zhuo-jun |
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| Institution: | Department of Electronic and Computer Science;Guilin University of Technology;Guilin 541004;P.R.China |
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| Abstract: | OFDM(orthogonal frequency division multiplexing modulation)technology for its strong anti-interference performance,spectrum utilization is relatively high in the wireless communications applications.There are good prospects for development.At the same time,the high Peak-to-Average Power Ratio(PAPR)in OFDM system has become an important OFDM technology barriers.The current OFDM system to reduce the PAPR of conventional algorithms to improve the program and analyzed.And the traditional method is an in-depth a... |
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| Keywords: | OFDM PAPR SLM PTS |
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