ADAPTIVE MATCHING NETWORK
First Claim
1. An apparatus, comprising:
- a matching network adapted to reduce a magnitude of a signal reflection at aport of the matching network,wherein the matching network comprises one or more controllable variable reactive elements, andwherein a controller is adapted to determine reflection coefficient information from incident and reflected waves sampled at the port of the matching network, and follow at least one cycle of a coarse tune process for generating one or more control signals to tune one or more reactances of the one or more controllable variable reactive elements.
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Abstract
A system that incorporates teachings of the present disclosure can include, for example, an apparatus having a matching network adapted to reduce a magnitude of a signal reflection at a port of the matching network. The matching network can have one or more controllable variable reactive elements. A controller can be adapted to determine reflection coefficient information from incident and reflected waves sampled at the port of the matching network, and follow at least one cycle of a coarse tune process for generating one or more control signals to tune one or more reactances of the one or more controllable variable reactive elements. Additional embodiments are disclosed.
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Citations
21 Claims
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1. An apparatus, comprising:
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a matching network adapted to reduce a magnitude of a signal reflection at aport of the matching network, wherein the matching network comprises one or more controllable variable reactive elements, and wherein a controller is adapted to determine reflection coefficient information from incident and reflected waves sampled at the port of the matching network, and follow at least one cycle of a coarse tune process for generating one or more control signals to tune one or more reactances of the one or more controllable variable reactive elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer-readable storage medium, comprising computer instructions to:
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determine an input reflection coefficient from incident and reflected waves detected at a port of a matching network; and coarse tune the one or more controllable variable reactive elements of the matching network with one or more control signals determined according to the input reflection coefficient. - View Dependent Claims (14, 15, 16, 17)
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18. A method, comprising:
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determining a reflection coefficient from a signal sampled at a port; determining at least one control signal from the reflection coefficient; and tuning a matching network with one or more control signals, wherein the matching network comprises one or more controllable variable reactive elements each with an independent control voltage. - View Dependent Claims (19, 20, 21)
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Specification