Waveform diversity for communication using pulse decoding
First Claim
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1. A method for transmitting comprising:
- providing an encoding alphabet comprising a plurality of information characters;
producing at least a first waveform associated with a first information character;
producing at least a second waveform associated with said first information character;
producing a third waveform by combining said first and second waveforms, thereby defining a symbol; and
transmitting said third waveform.
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Abstract
A communication technique includes mapping an information character to two or more subsymbol waveforms to produce an analog waveform. The two or more subsymbol waveforms define the information character. Alternatively, robustness can be achieved wherein each subsymbol waveform represents the information character, so that the information character is redundant in the analog waveform. The likelihood of success in the subsequent decoding of such a waveform to produce the information character is increased due to the redundancy.
22 Citations
21 Claims
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1. A method for transmitting comprising:
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providing an encoding alphabet comprising a plurality of information characters;
producing at least a first waveform associated with a first information character;
producing at least a second waveform associated with said first information character;
producing a third waveform by combining said first and second waveforms, thereby defining a symbol; and
transmitting said third waveform. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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12. A method for communication between a transmitter and a receiver comprising:
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generating an analog waveform including generating at least a first waveform corresponding to an information character of an encoding alphabet, said first waveform defining a symbol, said first waveform having a first period; and
transmitting, from said transmitter to said receiver, a source signal characterized by said analog waveform, said generating at least a first waveform including;
generating a second waveform having a period less than said first period;
generating a third waveform having a period less than said first period, said second and third waveforms representing said information character; and
combining said second and third waveforms to produce said first waveform.
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Specification