SIGNAL COMPONENT DEMULTIPLEXING APPARATUS, FILTER APPARATUS, RECEIVING APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION METHOD

摘要

A filter apparatus extracts a specific signal from a group of multi-carrier modulated signals. A complex sine wave signal is outputted in accordance with a channel to be selected. The complex sine wave signal and an input group of signals are multiplied. A specific group of signals is selected from a result of the multiplication and is rearranged along a frequency axis.