1. [1] J.W. Cooley and J. Turkey, “An algorithm for the machine calculation of complex Fourier series,” Math. Comput., vol.19, pp.297-301, April 1965.
2. [2] A.V. Oppenheim, R.W. Schafer, and J.R. Buck, Discrete-Time Signal Processing, 2nd ed. Prentice Hall, Englewood Cliffs, NJ, 1998.
3. [3] H. Sorensen, M. Heideman, and C. Burrus, “On computing the split-radix FFT,” IEEE Trans. Acoust. Speech Signal Process., vol.ASSP-34, no.1, pp.152-156, Jan. 1986.
4. [4] S. He and M. Torkelson, “A new approach to pipeline FFT processor,” Proc. IPPS 1996, pp.766-770, 1996.
5. [5] S. He and M. Torkelson, “Designing pipeline FFT processor for OFDM (de)Modulatioin,” Proc. IEEE URSI Int. Symp. Signals, Syst., Electron., pp.257-262, 1998.