Modulation Recognition of Double Satellite Signals in Alpha-Stable Distribution Noise
Received date: 2016-09-28
Revised date: 2016-12-11
Online published: 2017-05-30
Modulation recognition algorithms of single signal based on second-order cyclic spectrum does not work in an Alpha-stable distribution noise environment. To deal with the problem, a recognition algorithm based on general second-order cyclic spectrum for double signals is proposed. Insensitivity of general second-order cyclic spectrum to Alphastable distribution noise is analyzed, and spectral properties of the double signals are then studied. Pulse spectral lines in the cyclic frequency domain of spectrum are extracted to be used as characteristic parameters for recognition. Modulation recognition of the double satellite signals is achieved by detecting the number of pulse lines. Simulation results show that the proposed algorithm has good performance in the two kinds of noise.
YANG Wei-chao, YANG Xin-quan . Modulation Recognition of Double Satellite Signals in Alpha-Stable Distribution Noise[J]. Journal of Applied Sciences, 2017 , 35(3) : 309 -316 . DOI: 10.3969/j.issn.0255-8297.2017.03.004
[1] 朱雷,程汉文,吴乐南. 利用循环谱和参数统计的数字调制信号识别[J]. 应用科学学报,2009, 27(2):137-143. Zhu L, Chen H W, Wu L N. Identifcation of digital modulation signals based on cyclic spectral density and statistical parameters[J]. Journal of Applied Sciences, 2009, 27(2):137-143. (in Chinese)
[2] 余志斌,于宁宇. 基于循环谱包络的多信号调制识别[J]. 计算机应用,2012, 32(8):2119-2122. Yu Z B, Yu N Y. Modulation recognition for multi-component PSK signals based on cyclic spectrum amplitude[J]. Journal of Computer Applications, 2012, 32(8):2119-2122. (in Chinese)
[3] Yu N Y, Ma H G, Shi R. Modulation recognition of co-channel OQPSK and MSK based on cyclostationarity[C]//The 2nd IEEE International Conference on Information Management and Engineering, 2010:284-287.
[4] 王兰勋,孟祥雅,佟婧丽. 基于循环谱和稀疏表示的多信号调制识别[J]. 电视技术,2015, 39(1):92-95. Wang L X, Meng X Y, Tong J L. Multi-signals modulation recognition based on cyclic spectrum and sparse representation[J]. Video Engineering, 2015, 39(1):92-95. (in Chinese)
[5] 赵雄文,郭春霞,李景春. 基于高阶累积量和循环谱的信号调制方式混合识别算法[J]. 电子与信息学报,2016, 38(3):674-680. Zhao X W, Guo C X, Li J C. Mixed recognition algorithm for signal modulation schemes by high-order cumulants and cyclic spectrum[J]. Journal of Electronics & Information Technology, 2016, 38(3):674-680. (in Chinese)
[6] 赵春晖,杨伟超,杜宇. 采用分数低阶循环谱相干系数的调制识别[J]. 应用科学学报,2011, 29(6):565-570. Zhao C H, Yang W C, Du Y. Modulation recognition using fractional low-order cyclic spectrum coherence coefcient[J]. Journal of Applied Sciences, 2011, 29(6):565-570. (in Chinese)
[7] Mahmood A, Chitre M, Armand M A. PSK communication with pass-band additive symmetric Alpha-stable noise[J]. IEEE Transactions on Communications, 2012, 60(10):2990-3000.
[8] 刘明骞,李兵兵,石亚云. Alpha稳定分布噪声下数字调制识别新方法[J]. 西安电子科技大学学报(自然科学版),2015, 42(6):1-5. Liu M Q, Li B B, Shi Y Y. Novel recognition method for digital modulation signals with Alphastable noise[J]. Journal of Xidian University (Natural Science), 2015, 42(6):1-5. (in Chinese)
[9] Zhangj F, Qiu T F, Aimin S, Tang H. A novel correntropy based DOA estimation algorithm in impulsive noise environments[J]. Signal Processing, 2014, 104(11):346-357.
[10] Jin Y, Ji H B. Robust symbol rate estimation of PSK signals under the cyclostationary framework[J]. Circuits, Systems, and Signal Processing, 2014, 33(2):599-612.
[11] 赵春晖,杨伟超,马爽. 基于广义二阶循环统计量的通信信号调制识别研究[J]. 通信学报,2011, 32(1):144-150. Zhap C H, Yang W C, Ma S. Research on communication signal modulation recognition haled an the generalized second-order cyclic statistics[J]. Journal on Communications, 2011, 32(1):144-150. (in Chinese)
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