Patent Number: 7,133,458

Title: Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method

Abstract: A communication apparatus, a signal component demultiplexing apparatus, and a filter apparatus for reducing a load of FFT processing in a receiver in multi-carrier communication, wherein the receiving apparatus provides a signal component demultiplexing apparatus before an FFT circuit and extracts only the required symbol series and the signal component demultiplexing apparatus has hierarchically arranged branching circuits each including a symbol delay circuit, a phase offset adjustment circuit, an adder circuit, and a subtractor circuit, one symbol string being output from the adder circuit and another symbol string being output from the subtractor circuit.

Inventors: Sakoda; Kazuyuki (Tokyo, JP)

Assignee: Sony Corporation

International Classification: H04K 1/10 (20060101); H04L 27/28 (20060101)

Expiration Date: 2019-11-07 0:00:00