| 一种低复杂度降低FBMC-OQAM峰均值比的PTS双层搜索算法 |
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| 引用本文： | 吴垒,谢显中,张苗,雷维嘉.一种低复杂度降低FBMC-OQAM峰均值比的PTS双层搜索算法[J].科学技术与工程,2016,16(17). |
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| 作者姓名： | 吴垒 谢显中 张苗 雷维嘉 |
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| 作者单位： | 重庆邮电大学个人通信研究所 重庆 400065,重庆邮电大学个人通信研究所 重庆 400065,重庆邮电大学个人通信研究所 重庆 400065,重庆邮电大学个人通信研究所 重庆 400065 |
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| 基金项目： | 国家自然科学基金(61271259,61471076),重庆市教委科学技术研究项目(KJ120501, KJ130536) 资助课题,长江学者和创新团队发展计划(IRT1299)和重庆市科委重点实验室专项经费(CSTC)资助课题。 |
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| 摘 要： | 最近采用偏移正交幅度调制的滤波器组多载波系统(FBMC-OQAM)吸引广泛的关注。由于FBMC-OQAM信号的叠加性,导致峰均值比(PAPR)较大,而大部分传统OFDM的降低PAPR技术不适用。为了不引入新的误码率,采用PTS算法降低FBMC-OQAM峰均值比是较好的选择,但现有基于PTS降低FBMC-OQAM峰均值比方案的复杂度都较高。通过对PTS算法进行改进,提出了一种新的在FBMC-OQAM系统中采用双层搜索的PTS算法(D-PTS)。该算法能以较小的复杂度降低FBMC-OQAM信号的PAPR,且不会引起信号畸变,理论分析和数值仿真证实了新算法的性能。
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| 关 键 词： | 滤波器组多载波 峰均值比 偏移正交幅度调制 双层搜索的PTS算法 低复杂度 |
| 收稿时间： | 2016/1/29 0:00:00 |
| 修稿时间： | 2016/1/29 0:00:00 |
A Low Complexity PTS Algorithm with Dual Layered Phase Sequencing to Reduce PAPR of the FBMC-OQAM signal |
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| Wu Lei,XIE XianZhong,Zhang Miao and Lei WeiJia.A Low Complexity PTS Algorithm with Dual Layered Phase Sequencing to Reduce PAPR of the FBMC-OQAM signal[J].Science Technology and Engineering,2016,16(17). |
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| Authors: | Wu Lei XIE XianZhong Zhang Miao and Lei WeiJia |
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| Institution: | Institute of Personal Communications, Chongqing University of Posts and Telecommunications, Chonqing 400065, China,Institute of Personal Communications, Chongqing University of Posts and Telecommunications, Chonqing 400065, China,Institute of Personal Communications, Chongqing University of Posts and Telecommunications, Chonqing 400065, China |
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| Abstract: | Recently, the filter bank multicarrier with offset quadrature amplitude modulation (FBMC-OQAM) has attracted increasing attention. Because of the overlapping structure of FBMC-OQAM signal, resulting in a large peak-to-average (PAPR), and the most of traditional peak-to-average reduction methods for OFDM are not effective for FBMC-OQAM signals. In order not to introduce a new bit error rate, Using the PTS Algorithm is a better choose. But the existing algorithms based on the PTS for FBMC-OQAM signal are all with a high complexity. In this paper, we introduce a new PTS algorithm with dual layered phase sequencing(D-PTS). This method can reduce PAPR of the FBMC-OQAM signal with a low complexity and non-signal distortion. Theoretical analysis and numerical simulations confirm the performance of this algorithm. |
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| Keywords: | FBMC PAPR OQAM PTS with Dual Layered Phase Sequencing low complexity |
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