This article presents an efficient hardware implementation approach to a variable-size fast
Fourier transform (FFT) processor for spectral analysis. Due to its capability to handle …

A new radix-3 partitioning method of natural numbers, derived by the weight partition theory,
is employed to build a multiplierless circuit that is well suited for multimedia filtering …

The paper presents the original structure of a processing unit for multiplying quaternions.
The idea of organizing the device is based on the use of fast Hadamard transform blocks …

Analog-to-digital converters based on sigma-delta modulation have shown promising
performance, with steadily increasing bandwidth. However, associated with the increasing …

To fully utilize the available spectrum for a wireless communication system it is feasible to
adapt to different situations on the channel. In this paper a flexible OFDM transmitter is …

This paper considers partial-column radix-2 and radix-2/4 FFT processors and realizations
of butterfly operations. The proposed processor organization allows the area of the FFT …

This paper considers partial-column radix-2 FFT processors and realizations of butterfly
operations. The area and power-efficiency of butterfly units to be used in the proposed …

In this paper we have designed a Split-radix type FFT unit without using multipliers. All the
complex multiplications required for this type of FFT are implemented using Distributed …

BACKGROUND The present invention relates to automated multiplication, and more
particularly to efficient automated multiplication that is especially well suited for multiplication …

To fully utilize the available spectrum for a wireless communication system it is feasible to
adapt to different situations on the channel as well as different systems with various quality …