The invention provides a new approach which is better suited to FFT design as applied to
multicarrier modulation systems such as OFDM. The signals are scaled so that overflow …

A vector operation core and a vector processor are provided. The vector operation core use
two three-input adders and four data negators, so that the data input into the input adders …

A configurable fast Fourier transforms (FFT) apparatus to compute radix-2 and non-radix-2
calculations. The configurable FFT apparatus includes a data input, a data output, an …

(51) Int. Cl hich includ ry and ber of p ing el G06F 7/4(2006.01) ments are disclosed. Based
on the GNSS signal tracking, the (52) US Cl........................................................ 708/404 variable …

A modular pipeline algorithm and architecture for computing discrete Fourier transforms is
described. For an N point transform, two pipeline√{square root over (N)} point fast Fourier …

US20070239815A1 - Pipeline fft architecture and method - Google Patents
US20070239815A1 - Pipeline fft architecture and method - Google Patents Pipeline fft …

A memory-based Fast Fourier Transform device is provided, which adopts single-port
random access memory (RAM), rather than dual-port RAM, as a storage, and the circuit area …

Abstract An N-point Fast Fourier Transform (FFT) using mixed radix stages with in-place data
sample storage may be performed by decomposing N into a product of R sequential mixed …

A data reordering system for determining addresses associated with a vector of transformed
data and corresponding method of reordering transformed data, where the data reordering …

This invention constitutes a method and apparatus for enabling parallel computations of
intermediate operations which are generic in many algorithms in given applications and also …