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现代互谱估计方法及仿真分析

, PP. 1423-1428

Keywords: 通信技术,变换域通信系统,自回归模型,误码率

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Abstract:

提出了一种现代互谱估计方法——基于互谱自回归(AR)模型参数估计的SVD算法,相比作者之前提出的基于互谱AR模型参数估计的Levinson算法,本文提出的方法有效地克服了互相关函数rxy(m)估计误差带来的影响。仿真结果表明:谱估计精度有了很大提高。搭建了测量噪声背景下的仿真平台,对基于该方法的变换域通信系统(TDCS)抗干扰性能进行了仿真研究。结果表明:该方法下TDCS能够有效地抑制测量噪声,在不同干扰下的误码率大大降低,提高了抗干扰能力。

References

[1]  Hu S, Wu G, Xiao Y,et al. Design of low PAPR fundamental modulation waveform for transform domain communication system[J]. Wireless Personal Communications,2013, 71(3): 2215-2229.
[2]  Hu S, Bi G A , Guan Y L,et al. Spectrally efficient transform domain communication system with quadrature cyclic code shift keying[J]. IET Communications,2013, 7(4): 382-390.
[3]  赵艳,张兴周,缪善林.基于小波包的变换域通信系统窄带干扰抑制技术[J].应用科技,2007,34(2):13-16.Zhao Yan, Zhang Xing-zhou, Miao Shan-lin. The narrowband interference suppression technique of the transform domain communication system based on the wavelet packet[J]. Applied Science and Technology, 2007, 34(2):13-16.
[4]  Han C, Jun W, Shuping G, et al. Detection and performance of the OFDM-based transform domain communication system[C]∥Proceedings of 2006 International Conference on Communications, Circuits and Systems,Beijing, China,2006:1332-1336.
[5]  董浩,迟学芬,曲良东,等.基于互谱自回归模型的Levinson算法的变换域通信系统抗干扰性能[J].吉林大学学报:工学版, 2014,44(3):812-817.Dong Hao,Chi Xue-fen,Qu Liang-dong,et al.Anti-interference performance of TDCS based on Levinson algorithm of cross pectrum AR model parameter estimation[J]. Journal of Jilin University(Engineering and Technology Edition),2014,44(3):812-817.

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