Patent ID: 6449244
Filing Date: 2002-09-10
Classification: H04L

Abstract:
A configurable orthogonal channelizer which operates in different modes of channelization to separate an input signal of an input sampling rate and an input channel group bandwidth into individual channel(s) at a different data rate, said orthogonal channelizer comprising:a blanking filter and cyclic shift block comprising memory devices, control logic, and serial-to-parallel registers, arranged in parallel to receive successive sets of data samples of said input signal, which performs blanking operations in which a predetermined number of data samples on either side of a modulator transition are blanked for guard time to produce blanked sample outputs, and phase shifting operations in accordance with a number of shifts to produce phase adjusted outputs; and a plurality of discrete Fourier transform (DFT) modules, arranged in parallel to receive respective ones of said phase adjusted outputs, which perform discrete Fourier transform (DFT) computations to produce said individual channels at a different data rate.