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首页> 外文期刊>American journal of applied sciences >PEAK TO AVERAGE POWER RATIO REDUCTION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM WITH A SIGNIFICANT LOW COMPLEXITY | Science Publications
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PEAK TO AVERAGE POWER RATIO REDUCTION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM WITH A SIGNIFICANT LOW COMPLEXITY | Science Publications

机译：低复杂度的正交频分多路复用系统平均功率比峰值降低科学出版物

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> The Orthogonal Frequency Division Multiplexing (OFDM) has been widely used in many applications in the last decade. It provides good benefits compared to the single carrier systems. However, it has a bad property represented by the high-output Peak to Average Power Ratio (PAPR) which is considered as its major problem. There are many techniques to reduce the PAPR values such as the best one called Selected Mapping (SLM) method. In this study, a novel technique has been used to reduce the PAPR and it depends on a cascade of Inverse Fast Fourier Transform (IFFT). The analysis proved that the computational complexity has been reduced significantly and the simulation results showed that the PAPR reduced also without affecting the Bit Error Rate (BER).
机译： >在过去的十年中，正交频分复用（OFDM）已广泛用于许多应用中。与单载波系统相比，它具有良好的优势。然而，它具有以高输出峰均功率比（PAPR）表示的不良特性，这被认为是其主要问题。有许多降低PAPR值的技术，例如最好的一种称为“选定映射”（SLM）方法。在这项研究中，一种新颖的技术已被用来降低PAPR，它依赖于快速傅里叶逆变换（IFFT）的级联。分析证明，计算复杂度已大大降低，仿真结果表明，PAPR也降低了，而不会影响误码率（BER）。

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