1. Ahmed Saeed, M. Elbably, G. Abdelfadeel and M. I. Eladawy, “FPGA implementation of Radix-22 Pipelined FFT Processor,” Proceedings WAV’09 Proceedings of the 3rd WSEAS international symposium on Wavelets theory and applications in applied mathematics, signal processing & modern science, 2009, pp. 109–114.
2. Jiang Wang and Leif Arne Ronningen, “An Implementation of Pipelined Radix-4 FFT Architecture on FPGAs,” Journal of Clean Energy Technologies, Vol. 2, No. 1, January 2014, pp. 101–103.
3. Wei-Hsin Chang and Truong Nguyen, “An OFDM-specified lossless FFT architecture,” IEEE Transactions on Circuits and Systems I, 2006, pp. 1235–1243.
4. Chih-Peng Fan1, Mau-Shih Lee and Guo-An Su, “Efficient low multiplier cost 256-point FFT design with Radix-24 SDF architecture,” Journal of Engineering, National Chung Hsing university, Vol. 19, No.2, 2008, pp. 61–74.