基于量子混沌映射降低OFDM系统PAPR的算法研究

doi:10.11959/j.issn.1000-436x.2019008

通信学报 ›› 2019, Vol. 40 ›› Issue (1): 195-200.doi: 10.11959/j.issn.1000-436x.2019008

基于量子混沌映射降低OFDM系统PAPR的算法研究

马英杰,赵耿,魏占祯,李兆斌,鞠磊

北京电子科技学院，北京 100070

修回日期:2018-08-01 出版日期:2019-01-01 发布日期:2019-02-03
作者简介:马英杰（1979-），女，吉林通化人，博士，北京电子科技学院讲师，主要研究方向为混沌保密通信。|赵耿（1964-），男，四川长溪人，博士，北京电子科技学院教授，主要研究方向为新型态密码理论与应用。|魏占祯（1971-），男，青海西宁人，北京电子科技学院研究员级高级工程师，主要研究方向为网络安全。|李兆斌（1977-），男，内蒙古锡林浩特人，博士，北京电子科技学院副教授，主要研究方向为网络安全。|鞠磊（1971-），男，山东潍坊人，博士，北京电子科技学院副教授，主要研究方向为网络空间安全。
基金资助:
国家自然科学基金资助项目(61772047)

Research on the algorithm for reducing the PAPR of OFDM system based on quantum chaotic mapping

Yingjie MA,Geng ZHAO,Zhanzhen WEI,Zhaobin LI,Lei JU

Beijing Electronic Science and Technology Institute,Beijing 100070,China

Revised:2018-08-01 Online:2019-01-01 Published:2019-02-03
Supported by:
The National Natural Science Foundation of China(61772047)

摘要/Abstract

摘要：

针对OFDM系统存在较高峰均功率比的问题，提出基于量子loigstic混沌映射的改进选择性映射算法，采用量子loigstic混沌映射作为随机相位序列矢量，解决了传统loigstic混沌映射的不动点和稳定窗问题，提供数目众多，具有良好相关特性和随机特性，易于产生和再生的信号。仿真结果表明所提算法有效降低了系统的峰均比，扩展了候选序列数量，减少了冗余信息传输量，降低了系统的边带功率，并在 OFDM 技术中具有广阔的应用前景。

关键词: 正交频分复用, 混沌映射, 量子loigstic改进选择性映射算法, 峰均功率比, 边带功率

Abstract:

Aiming at the high peak to average power ratio (PAPR) problem of OFDM system,a modified selective mapping algorithm based on quantum loigstic chaotic map was proposed.To solve the problem of fixed point and stable window,the quantum loigstic chaotic maps were used as random phase sequence vectors,which provided a large number signals with fine correlation and random characteristics,easy to produce and regenerate.Matlab simulation results show that the proposed algorithm effectively reduces the PAPR,increases the numbers of candidate signals,cuts down the amount of redundant information transmission,bring down the side band power.The proposed scheme has a broad application prospect in OFDM system.

Key words: OFDM, chaotic map, quantum loigstic modified selective mapping algorithm, peak to average power ratio, sideband power

中图分类号:

TN918

马英杰,赵耿,魏占祯,李兆斌,鞠磊. 基于量子混沌映射降低OFDM系统PAPR的算法研究[J]. 通信学报, 2019, 40(1): 195-200.

Yingjie MA,Geng ZHAO,Zhanzhen WEI,Zhaobin LI,Lei JU. Research on the algorithm for reducing the PAPR of OFDM system based on quantum chaotic mapping[J]. Journal on Communications, 2019, 40(1): 195-200.

图/表 4

参考文献 13

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基于量子混沌映射降低OFDM系统PAPR的算法研究

Research on the algorithm for reducing the PAPR of OFDM system based on quantum chaotic mapping

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