Systems and methods of RF power transmission, modulation, and amplification, including embodiments for controlling a transimpedance node
First Claim
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1. A method for at least power amplification, comprising:
- receiving in-phase (I) and quadrature-phase (Q) information, the received I and Q information corresponding to a signal constellation;
generating a plurality of control signals from the received I and Q information; and
controlling a transimpedance node according to the plurality of control signals to generate a desired waveform of desired power and frequency at an output of the transimpedance node.
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Abstract
Multiple-Input-Single-Output (MISO) amplification and associated VPA control algorithms are provided herein. According to embodiments of the present invention, MISO amplifiers driven by VPA control algorithms outperform conventional outphasing amplifiers, including cascades of separate branch amplifiers using conventional power combiner technologies. MISO amplifiers can be operated at enhanced efficiencies over the entire output power dynamic range by blending the control of the power source, source impedances, bias levels, outphasing, and branch amplitudes. These blending constituents are combined to provide an optimized transfer characteristic function.
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Citations
64 Claims
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1. A method for at least power amplification, comprising:
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receiving in-phase (I) and quadrature-phase (Q) information, the received I and Q information corresponding to a signal constellation; generating a plurality of control signals from the received I and Q information; and controlling a transimpedance node according to the plurality of control signals to generate a desired waveform of desired power and frequency at an output of the transimpedance node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. An apparatus for at least power amplification, comprising:
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input circuitry that receives in-phase (I) and quadrature-phase (Q) information and generates a plurality of control signals from the received I and Q information, the received I and Q signals corresponding to a signal constellation; and a transimpedance node, controlled by the plurality of control signals, that generates a desired waveform of desired power and frequency at an output of the transimpedance node. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64)
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Specification