1Weinstein S. B., Ebert P. M.. Data transmission by frequency-division multiplexing Using the discrete Fourier transform. IEEE Trans- actions on Communication, 1971, 19(5):628-634.
2Xiaodong Li, Leonard J. Cimini. Effects of Clipping and Filtering on the Performance of OFDM. IEEE Vehicular Technology Confer- ence, 1997,3(4-7): 1634-1638.
3Cooley J. W., Tukey J. W.. An Algorithm for the Machine Calculation of Complex Fourier Series. Mathematics of ComPutation, 1965, 19:297-301.