Non-orthogonal frequency-division multiplexed communication through a non-linear transmission medium
First Claim
1. A method for non-orthogonal frequency division multiplexed communication through a non-linear transmission medium, the method comprising the steps of:
- (a) selecting at least one desired bandwidth;
(b) selecting a non-orthogonal pair of base frequencies within a first bandwidth of said at least one desired bandwidth;
(c) identifying where primary intermodulation products formed as a result of signal transmission on said pair of base frequencies fall within said first bandwidth;
(d) selecting a plurality of non-orthogonal interleaved frequencies adjacent at least one of said pair of base frequencies so as to be interleaved between said primary intermodulation products to form a frequency cluster which includes said at least one of said pair of base frequencies and said interleaved frequencies.
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Abstract
A method for non-orthogonal frequency division multiplexed communication through a non-linear transmission medium includes the steps of selecting at least one desired bandwidth, selecting a non-orthogonal pair of base frequencies within a first bandwidth of the at least one desired bandwidth, identifying where primary intermodulation products formed as a result of signal transmission on the pair of base frequencies fall within the first bandwidth. The method may also include the step of selecting a plurality of non-orthogonal interleaved frequencies adjacent at least one of the pair of base frequencies so as to be interleaved between the primary intermodulation products to form a frequency cluster which includes the at least one of the pair of base frequencies and the interleaved frequencies.
25 Citations
20 Claims
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1. A method for non-orthogonal frequency division multiplexed communication through a non-linear transmission medium, the method comprising the steps of:
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(a) selecting at least one desired bandwidth; (b) selecting a non-orthogonal pair of base frequencies within a first bandwidth of said at least one desired bandwidth; (c) identifying where primary intermodulation products formed as a result of signal transmission on said pair of base frequencies fall within said first bandwidth; (d) selecting a plurality of non-orthogonal interleaved frequencies adjacent at least one of said pair of base frequencies so as to be interleaved between said primary intermodulation products to form a frequency cluster which includes said at least one of said pair of base frequencies and said interleaved frequencies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for non-orthogonal frequency division multiplexed communication through a non-linear transmission medium, the method comprising the steps of:
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(a) selecting at least one desired bandwidth; (b) selecting a non-orthogonal pair of base frequencies within a first bandwidth of said at least one desired bandwidth; (c) identifying where primary intermodulation products formed as a result of signal transmission on said pair of base frequencies fall within said first bandwidth so as to enable the selection of additional frequencies which avoid said primary intermodulation products. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification