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Volume 33 Issue 5
Jun.  2011
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Li Jian-Qiang, Cui Wei-Liang, Jiang Hua, Wang Ning. Second-order Cyclostationarity Analysis of OQAM/OFDM Signals[J]. Journal of Electronics & Information Technology, 2011, 33(5): 1076-1081. doi: 10.3724/SP.J.1146.2010.01052
Citation: Li Jian-Qiang, Cui Wei-Liang, Jiang Hua, Wang Ning. Second-order Cyclostationarity Analysis of OQAM/OFDM Signals[J]. Journal of Electronics & Information Technology, 2011, 33(5): 1076-1081. doi: 10.3724/SP.J.1146.2010.01052

Second-order Cyclostationarity Analysis of OQAM/OFDM Signals

doi: 10.3724/SP.J.1146.2010.01052
  • Received Date: 2010-09-29
  • Rev Recd Date: 2011-02-09
  • Publish Date: 2011-05-19
  • OQAM/OFDM is a sort of multicarrier signal based on the orthogonal filter bank, and its special generation procedure determines the complexity of cyclic spectral structure. According to the continuous-time baseband model of OQAM/OFDM system, the second-order cyclostationarity of OQAM signals is proved, and the explicit expression of spectral correlation function is derived, meanwhile, the features of Spectral Correlation Function (SCF) for OQAM and the influence of multipath fading channel are investigated. Simulation results sustain the theoretical analysis.
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  • Siohan P, Siclet C, and Lacaille N. Analysis and design of OFDM/OQAM systems based on filterbank theory[J]. IEEE Transaction on Signal Processing, 2002, 50(5): 1170-1172.[2] 胡苏, 武刚, 肖悦, 李少谦. OFDM/OQAM系统中联合迭代信道估计和信号检测[J]. 电子与信息学报, 2009, 31(10): 2332-2337.Hu Su, Wu Gang, Xiao Yue, and Li Shao-qian, et al.Joint iterative channel estimation and detection for OFDM/OQAM system [J]. Journal of Electronics Information Technology, 2009, 31(10): 2332-2337.[3] Dobre A, Abdi A, Bar-Ness Y, and Su W. Survey of automatic modulation classification techniques: classical approaches and new trends [J]. IET Communication, 2007, 1(2): 137-156.[4] Gardner W A. The spectral correlation theory of cyclostationary time-series [J]. Signal Processing, 1986, 11(1): 13-36.[5] Punchihewa A, Dobre O A, and Rajan S, et al.Cyclostationarity-based algorithm for blind recognition of OFDM and single carrier linear digital modulations [C]. 18th Annual IEEE Internatioal symposium on PIMRC, 2007, Athens, 2007: 1-5.[6] Bouzegzi A, Ciblat P, and Jallon P. New algorithm for blind recognition of OFDM based systems [J]. Signal Processing, 2010, 90(3): 900-913.[7] Zhang Hai jian, Ruyet D L, and Terre M. Spectral correlation of multicarrier modulated signals and its application for signal detection [J]. EURASIP Journal on Advances in Signal Processing, Vol. 2010, Article ID. 794246, 14 pages.[8] 黄奇珊, 彭启琮, 路友荣, 韩猛. OFDM信号循环谱结构分析[J]. 电子与信息学报, 2008, 30(1): 134-138.Huang Qi-shan, Peng Qi-cong, Lu You-rong, and Han Meng, et al.Cyclic spectrum analysis of OFDM signals [J]. Journal of Electronics Information Technology, 2008, 30(1): 134-138.[9] Gardner W A, Brown W A, and Chen C K. Spectral correlation of modulated signals: part II- digital modulation [J]. IEEE Transactions on Communications, 1987, 35(6): 595-601.[10] Vu?i? D Z, Obradovi? M M, and Obradovi? D M. Spectral correlation of OFDM signals related to their PLC applications [C]. 6th International Symposium on Power-Line Communications and Its Applications, ISMPLC, New Jersey, 2002: 27-29.[11] Sutton P D, Nolan K E, and Doyle L E. Cyclostationary signatures in practical cognitive radio applications [J]. IEEE Journal on Selected Areas Communications, 2008, 26(2): 13-24.[12] 蒋清平, 杨士中, 张天骐. 低信噪比OFDM信号符号周期盲估计[J]. 计算机应用, 2010, 30(6): 1463-1465.Jiang Qing-ping, Yang Shi-zhong, and Zhang Tian-qi. Symbol duration blind estimation of OFDM signals with low SNR [J]. Journal of Computer Application, 2010, 30(6): 1463-1465.[13] Gardner W A. Cyclostationarity in Communications and Signal Processing [M]. New Jersey: IEEE Press, 1993: 468-478.
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