Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
First Claim
1. A method of data transmission, said method comprising:
- encoding, using an encoder, a plurality of data values into a symbol;
transmitting a plurality of bursts using a transmitter, each burst occupying one of a plurality of frequency bands;
wherein at least an order of transmission of the plurality of bursts in time and a polarity of at least one of the plurality of bursts defines the symbol, the symbol corresponding to the plurality of data values;
wherein a bandwidth of at least one of the plurality of bursts is at least two percent of a center frequency of the burst;
wherein said plurality of bursts includes a first burst occupying one of the plurality of frequency bands and a second burst occupying a different one of the plurality of frequency bands, andwherein at least one frequency point exists at which the amplitude of the first burst is within twenty decibels of a maximum amplitude of the first burst and at which the amplitude of the second burst is within twenty decibels of a maximum amplitude of the second burst.
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Abstract
A method of data transmission according to one embodiment of the invention includes encoding a set of data values to produce a corresponding series of ordered n-tuples. The method also includes transmitting, according to the series of ordered n-tuples, a plurality of bursts over a plurality n of frequency bands. Specifically, for each of the plurality of bursts, a frequency band occupied by the burst is indicated by the order within its n-tuple of an element corresponding to the burst. A bandwidth of at least one of the plurality of bursts is at least two percent of the center frequency of the burst. Information is encoded into a polarity of at least one of the plurality of bursts.
177 Citations
20 Claims
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1. A method of data transmission, said method comprising:
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encoding, using an encoder, a plurality of data values into a symbol; transmitting a plurality of bursts using a transmitter, each burst occupying one of a plurality of frequency bands; wherein at least an order of transmission of the plurality of bursts in time and a polarity of at least one of the plurality of bursts defines the symbol, the symbol corresponding to the plurality of data values; wherein a bandwidth of at least one of the plurality of bursts is at least two percent of a center frequency of the burst; wherein said plurality of bursts includes a first burst occupying one of the plurality of frequency bands and a second burst occupying a different one of the plurality of frequency bands, and wherein at least one frequency point exists at which the amplitude of the first burst is within twenty decibels of a maximum amplitude of the first burst and at which the amplitude of the second burst is within twenty decibels of a maximum amplitude of the second burst. - View Dependent Claims (2, 3, 4, 5, 6, 7, 15, 16)
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8. A transmitter comprising:
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an encoder configured to receive a plurality of data values and encode the plurality of data values into a symbol; a signal generator configured to transmit a plurality of bursts, each burst occupying at least one of a plurality of frequency bands, wherein at least an order of transmission of the plurality of bursts in time and a polarity of at least one of the plurality of bursts defines the symbol, the symbol corresponding to the plurality of data values; and wherein a bandwidth of at least one of the plurality of bursts is at least two percent of a center frequency of the burst; wherein said signal generator includes a plurality of burst generators, wherein each of the plurality of burst generators is configured to receive a trigger event and to generate at least one of the plurality of bursts according to the trigger event, and wherein at least one of the plurality of burst generators is configured to modulate a polarity of at least one of the plurality of bursts. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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17. A method of data transmission, said method comprising:
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encoding, using an encoder, a plurality of data values into a symbol; transmitting a plurality of bursts using a transmitter, each burst occupying one of a plurality of frequency bands; wherein at least an order of transmission of the plurality of bursts in time and a polarity of at least one of the plurality of bursts defines the symbol, the symbol corresponding to the plurality of data values; and wherein a bandwidth of at least one of the plurality of bursts is at least two percent of a center frequency of the burst; wherein the transmitting step comprises; transmitting each of the plurality of bursts using the transmitter during one of a series of time periods, wherein each of the series of time periods has a different start time, and wherein during at least one time period, more than one of the plurality of bursts is launched. - View Dependent Claims (18, 19, 20)
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Specification