Patent ID: 7133355

Claim:
A method for operating an Interference Suppression Orthogonal Frequency Division Multiplexed (IS-OFDM) system for point-to-point wireless communications comprising: converting an input data stream to produce a plurality of parallel data streams; spreading each of said plurality of parallel data streams by an orthogonal binary code sequence resulting in a set of parallel spread data streams separated from each other by orthogonal codes; and processing said set of parallel spread data streams to produce an IS-OFDM transmit signal, wherein said processing comprises: encoding each of said set of parallel data streams to produce a plurality of parallel sub-streams; operating on each of said plurality of parallel sub-streams to produce a plurality of inverse discrete Fourier Transform (IDFT) outputs; converting said plurality of IDFT outputs to produce a plurality of IS-OFDM data signals, each of said plurality of IS-OFDM data signals comprises a plurality of frames; adding a cyclic prefix to each of said plurality of frames; accumulating said plurality of IS-OFDM data signals to produce an IS-OFDM signal; and converting said IS-OFDM signal to produce said IS-OFDM transmit signal.