Patent ID: 7224997
Filing Date: 2007-05-29
Classification: H04B

Abstract:
1. A radio signal parallel processing apparatus which receives and processes in parallel a first carrier signal of a frequency ω1 and a second carrier signal of a frequency ω2 (ω2>ω1), the apparatus comprising: a first local oscillator which outputs a signal of a frequency ω as an output signal of the first local oscillator; a first frequency mixer which receives the first carrier signal and the signal of the frequency ω, and frequency converts the first carrier signal into a first signal of a first intermediate frequency (ω−ω1) and a first signal of another first intermediate frequency (ω+ω1), and outputs the first signals of the first intermediate frequencies (ω−ω1) and (ω+ω1) as output signals of the first frequency mixer; and a second frequency mixer which receives the second carrier signal and the signal of the frequency ω, and frequency converts the second carrier signal into a second signal of a first intermediate frequency (ω2−ω) and a second signal of another first intermediate frequency (ω2+ω) and outputs the second signals of the first intermediate frequencies (ω2−ω) and (ω2+ω) as output signals of the second frequency mixer, wherein the first frequency mixer is operable to convert the first carrier signal in parallel with the second frequency mixer converting the second carrier signal.