Patent ID: 6239636
Filing Date: 2001-05-29
Classification: H04L

Abstract:
A waveform generator for generating a waveform in a dual mode wireless device, comprising:a first waveform generator portion having a first register connected in series with a second register and a first feedback selector; anda second waveform generator portion having a third register connected in series with a fourth register and a second feedback selector, wherein the first register and the third register, and the second register and the fourth register are set up as accumulators, and a new output data value of the first and third register is obtained by adding a corresponding previous data value of the first register and the third register, respectively, and a corresponding previous data value of the second register and the fourth register, respectively, and a new data output value of the second and fourth register is obtained by adding a corresponding previous data value of the second register and the fourth register, respectively, and a scaled previous output data value of the first and third registers.