Reconfigurable data parallel constant geometry fast Fourier transform architectures on Network-on-Chip

                Abstract This paper reports the design and development of reconfigurable (up to 8192-point), data parallel, constant geometry fast Fourier transform (CG-FFT) architectures based on Network-on-Chip (NoC) paradigm. Twiddle factor multiplications have been realized using pipelined CORDIC rotators in the proposed architecture in order to ensure its high throughput. Mapping of FFT functions to cores has been done by considering the proposed sign ...