摘要
针对正交频分复用技术峰值平均功率比过高的问题,提出了一种低复杂度的次优化算法。首先研究了降低正交频分复用技术系统峰值平均功率比的部分传输序列算法及其峰值平均功率比的抑制性能,分析了次优化算法性能受限的原因,通过增加一次搜索的相位系数的个数,使得新算法性能接近最优算法,并且具有低的复杂度。最后进行了Matlab仿真实验,通过仿真结果可以发现新算法具有高的抑制峰值平均功率比的性能,且具有低的复杂度。
A suboptimization algorithm with low complexity is proposed to solve the problem that the peak-to-average power ratio （PAPR） of orthogonal frequency division multiplexing （OFDM） technology is too high. The partial transmit se-quence （PTS） algorithm for reducing PAPR of OFDM technical system and suppression performance of PAPR are studied. The reasons of limiting the suboptimization algorithm performance is analyzed. To add the number of phase coefficients in one ／ search made the new algorithm performance closed to the optimal algorithm, and made it to have low complexity. The Matlab simulation experiment was executed. The simulation results show that the new algorithm has a high inhibition performance to PAPR, and a low complexity.
出处
《现代电子技术》
2012年第24期76-78,共3页
Modern Electronics Technique
