面向5G F-OFDM的量子混沌扩展序列算法

doi:10.13190/j.jbupt.2018-058

北京邮电大学学报 ›› 2019, Vol. 42 ›› Issue (2): 90-94.doi: 10.13190/j.jbupt.2018-058

面向5G F-OFDM的量子混沌扩展序列算法

马英杰, 赵耿, 范晓红, 张昕然, 高原

北京电子科技学院电子通信工程系, 北京 100070

收稿日期:2018-04-04 出版日期:2019-04-28 发布日期:2019-04-09
作者简介:马英杰(1979-),女,副教授,E-mail:dmzm12@163.com.
基金资助:
国家自然科学基金面上项目（61772047）

Quantum Chaotic Extended Sequence Algorithm for 5G F-OFDM

MA Ying-jie, ZHAO Geng, FAN Xiao-hong, ZHANG Xin-ran, GAO Yuan

Department of Electronic Communication Engineering, Beijing Electronic Science and Technology Institute, Beijing 100070, China

Received:2018-04-04 Online:2019-04-28 Published:2019-04-09

摘要/Abstract

摘要： 第5代移动通信系统（5G）子带滤波正交频分复用技术（F-OFDM）存在较高峰均功率比（PAPR）问题，传统选择性映射算法候选序列数量少，对此，提出量子混沌扩展序列算法，以解决5G F-OFDM系统PAPR较高的问题.采用分割方法将原始信号分割为实部信号和虚部信号，用量子Logistic混沌映射分别与实部信号和虚部信号进行点乘，实部候选序列与虚部候选序列线性组合后再计算PAPR，选择最小PAPR进行传输.仿真结果表明，提出的算法降低了系统的PAPR，扩展了候选序列数量，降低了计算复杂度.

关键词: 第5代移动通信系统, 子带滤波正交频分复用技术, 量子混沌扩展序列算法, 峰均功率比, 计算复杂度

Abstract: High peak to average power ratio (PAPR) is a main problem of the fifth generation of mobile communications system(5G) filtered-orthogonal frequency division multiplexing (F-OFDM) systems. Aiming at the shortcomings of traditional selective mapping algorithm, such as limited number of candidate sequences, the quantum chaotic extended sequence algorithm was proposed to solve the high PAPR problem of 5G F-OFDM systems. The original signal was divided into real part signal and imaginary part signal by segmentation method, which were respectively multiplied the quantum logistic chaotic map. The PAPR was calculated by linear superposition of real sequences and the imaginary part candidate, and the minimum PAPR was selected for transmission. The simulation results show that the proposed algorithm reduces the PAPR of 5G F-OFDM system, increases the number of candidate signals and reduces the computational complexity. The proposed scheme has a broad application prospect in 5G multicarrier modulation technology.

Key words: the fifth generation of mobile communications system, filtered-orthogonal frequency division multiplexing, quantum chaotic extended sequence algorithm, peak to average power ratio, computational complexity

中图分类号:

TN918

马英杰, 赵耿, 范晓红, 张昕然, 高原. 面向5G F-OFDM的量子混沌扩展序列算法[J]. 北京邮电大学学报, 2019, 42(2): 90-94.

MA Ying-jie, ZHAO Geng, FAN Xiao-hong, ZHANG Xin-ran, GAO Yuan. Quantum Chaotic Extended Sequence Algorithm for 5G F-OFDM[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2019, 42(2): 90-94.

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面向5G F-OFDM的量子混沌扩展序列算法

Quantum Chaotic Extended Sequence Algorithm for 5G F-OFDM

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