Communication system employing chaotic sequence based frequency shift keying spreading signals

A transmitter, comprising:

• an encoder for generating encoded data symbols based upon input data provided by a data source;
• a communications signal generator including:
• a pseudorandom random number generator for providing a sequence of pseudorandom phase words;
• a mapping module including a color mapping table containing phase value information, the mapping module being configured to provide an output phase word sequence by phase mapping the sequence of pseudorandom phase words in accordance with the phase value information;
• a modulator operative to generate a spreading sequence using the output phase word sequence wherein a frequency domain spectra of the spreading sequence is determined in accordance with the phase value information;
• and
• a transmit signal generator for generating a transmit signal by spreading the encoded data symbols using the spreading sequence.

A transceiver apparatus, comprising:

• a receiver including a channel state information module configured to provide channel state information based upon a received signal;
• a color mapping table storing phase value information wherein the phase value information is determined based at least in part upon the channel state information;
• and
• a communications signal generator configured to generate a communications waveform, the communications signal generator including a mapping module operative to introduce a selected frequency domain spectra into the communications waveform in accordance with the phase value information.

A method for generating a communications signal, the method comprising:

• providing a sequence of pseudorandom phase words;
• generating a color mapping table containing phase value information;
• providing an output phase word sequence by phase mapping the sequence of pseudorandom phase words in accordance with the phase value information;
• and
• generating the communications signal using the output phase word sequence wherein a frequency domain spectra of the communications signal is determined in accordance with the phase value information.

A method, comprising:

• generating encoded data symbols based upon input data provided by a data source;
• providing a sequence of pseudorandom phase words;
• generating a color mapping table containing phase value information;
• providing an output phase word sequence by phase mapping the sequence of pseudorandom phase words in accordance with the phase value information;
• generate a spreading sequence using the output phase word sequence wherein a frequency domain spectra of the spreading sequence is determined in accordance with the phase value information;
• and
• generating a transmit signal by spreading the encoded data symbols using the spreading sequence.

A method, comprising:

• providing channel state information based upon a received signal;
• storing phase value information wherein the phase value information is determined based at least in part upon the channel state information;
• and
• generating, in accordance with the phase value information, a communications waveform having a selected frequency domain spectra determined by the phase value information.