Low complexity partial selected mapping for PAPR reduction of OFDM system

Hyunseuk Yoo, F. Guilloud, R. Pyndiah
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引用次数: 5

Abstract

We present partial blind selected mapping method (P-BSLM) as a probabilistic OFDM-PAPR reduction method. The P-BSLM method generates more candidates than the classical SLM (C-SLM) method while using the same number of IFFT computations. Moreover, common stage computation in an IFFT process can reduce the computational complexity. More candidates increase the PAPR reduction capability, and give a better error performance in the presence of non-linear amplifier. This method has the maximum spectral efficiency without side information, and the phase sequence can be correctly detected using partial blind phase sequence detection.
降低OFDM系统PAPR的低复杂度部分选择映射
本文提出了部分盲选择映射方法(P-BSLM)作为OFDM-PAPR的概率约简方法。在使用相同的IFFT计算次数的情况下,P-BSLM方法比经典的SLM (C-SLM)方法产生更多的候选对象。此外,在IFFT过程中采用公共阶段计算可以降低计算复杂度。在非线性放大器存在的情况下,更多的候选滤波器提高了减小PAPR的能力,并提供了更好的误差性能。该方法在无侧信息的情况下具有最大的频谱效率,并且采用部分盲相序检测可以正确检测相序。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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