Modulation and equalization in an orthonormal time-frequency shifting communications system
First Claim
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1. A method of providing a modulated signal useable in a signal transmission system, the method comprising:
- transforming a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements and wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; and
generating the modulated signal in accordance with the transformed data elements of the transformed data matrix.
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Abstract
A system and method of providing a modulated signal useable in a signal transmission system. The method includes transforming, perhaps with respect to both time and frequency, a data frame including a plurality of data elements into a transformed data matrix. The transformed data matrix includes a plurality of transformed data elements where each of the plurality of transformed data elements is based upon each of the plurality of data elements. The method further includes generating the modulated signal in accordance with the transformed data elements of the transformed data matrix.
129 Citations
28 Claims
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1. A method of providing a modulated signal useable in a signal transmission system, the method comprising:
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transforming a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements and wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; and generating the modulated signal in accordance with the transformed data elements of the transformed data matrix. - View Dependent Claims (2, 3)
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4. A method of providing a modulated signal useable in a signal transmission system, the method comprising:
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transforming a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements; and generating the modulated signal in accordance with the transformed data elements of the transformed data matrix wherein the generating includes selecting the transformed data elements of the transformed data matrix on a column-by-column basis.
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5. A method of providing a modulated signal useable in a signal transmission system, the method comprising:
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transforming a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein each of the plurality of transformed data elements is based upon each of the plurality of data elements wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; and generating the modulated signal in accordance with the transformed data elements of the transformed data matrix. - View Dependent Claims (6, 7, 8)
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9. A method of providing a modulated signal useable in a signal transmission system, the method comprising:
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transforming a data frame including a plurality of data elements into a transformed data matrix having a plurality of transformed data elements wherein each of the plurality of transformed data elements is based upon each of the plurality of data elements; and generating the modulated signal in accordance with the transformed data elements of the transformed data matrix wherein the generating includes selecting the transformed data elements of the transformed data matrix on a column-by-column basis.
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10. A signal transmitter for use in a communication system, the signal transmitter comprising:
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an input port; an output port; a processor; a memory including program code executable by the processor, the program code including; code for receiving, at the input port, a data frame including a plurality of data elements; code for transforming the data frame into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; and code for generating a modulated signal in accordance with the transformed data elements of the transformed data matrix and for providing the modulated signal to the output port. - View Dependent Claims (11, 12)
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13. A signal transmitter for use in a communication system, the signal transmitter comprising:
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an input port; an output port; a processor; a memory including program code executable by the processor, the program code including; code for receiving, at the input port, a data frame including a plurality of data elements; code for transforming the data frame into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements; and code for generating a modulated signal in accordance with the transformed data elements of the transformed data matrix and for providing the modulated signal to the output port wherein the program code further includes code for selecting the transformed data elements of the transformed data matrix on a column-by-column basis.
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14. A signal transmitter for use in a communication system, the signal transmitter comprising:
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an input port; an output port; a processor; a memory including program code executable by the processor, the program code including; code for receiving, at the input port, a data frame including a plurality of data elements; code for transforming the data frame into a transformed data matrix having a plurality of transformed data elements wherein each of the plurality of transformed data elements is based upon each of the plurality of data elements wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; code for generating a modulated signal in accordance with the transformed data elements of the transformed data matrix. - View Dependent Claims (15, 16, 17)
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18. A signal transmitter for use in a communication system, the signal transmitter comprising:
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an input port; an output port; a processor; a memory including program code executable by the processor, the program code including; code for receiving, at the input port, a data frame including a plurality of data elements; code for transforming the data frame into a transformed data matrix having a plurality of transformed data elements wherein each of the plurality of transformed data elements is based upon each of the plurality of data elements; code for generating a modulated signal in accordance with the transformed data elements of the transformed data matrix wherein the program code includes code for selecting the transformed data elements of the transformed data matrix on a column-by-column basis.
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19. A non-transitory computer readable medium including program instructions for execution by a processor in a signal transmitter, the program instructions comprising instructions for causing the processor to:
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receive, at an input port of the signal transmitter, a data frame including a plurality of data elements wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; transform the data frame into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements; and generate a modulated signal in accordance with the transformed data elements of the transformed data matrix. - View Dependent Claims (20, 21)
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22. A non-transitory computer readable medium including program instructions for execution by a processor in a signal transmitter, the program instructions comprising instructions for causing the processor to:
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receive, at an input port of the signal transmitter, a data frame including a plurality of data elements; transform the data frame into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements; and generate a modulated signal in accordance with the transformed data elements of the transformed data matrix wherein the program instructions further include instructions for causing the processor to transform data elements of the transformed data matrix on a column-by-column basis.
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23. A non-transitory computer readable medium including program instructions for execution by a processor in a signal transmitter, the program instructions comprising instructions for causing the processor to:
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receive, at an input port of the signal transmitter, a data frame including a plurality of data elements; transform the data frame into a transformed data matrix having a plurality of transformed data elements wherein each of the plurality of transformed data elements is based upon each of the plurality of data elements and wherein the data frame has a first dimension of N data elements and a second dimension of N data elements, wherein N is greater than one; and generate a modulated signal in accordance with the transformed data elements of the transformed data matrix. - View Dependent Claims (24, 25, 26, 27)
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28. A signal transmitter for use in a communication system, the signal transmitter comprising:
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an input port; an output port; a processor; a memory including program code executable by the processor, the program code including; code for receiving, at the input port, a data frame including a plurality of data elements; code for transforming the data frame into a transformed data matrix having a plurality of transformed data elements wherein ones of the plurality of transformed data elements are based upon multiple ones of the plurality of data elements; code for generating a modulated signal in accordance with the transformed data elements of the transformed data matrix and for providing the modulated signal to the output port; and transmitter circuitry for modulating a carrier signal in accordance with the modulated signal.
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Specification