Methods for tuning an adaptive impedance matching network with a look-up table
First Claim
1. A method for generating a look-up table relating a plurality of complex reflection coefficients to a plurality of matched states for a tunable impedance matching network, said method comprising the steps of:
- measuring a signal at a port of a tunable impedance matching network to determine a plurality of complex reflection coefficients resulting from a plurality of impedance loads while the tunable impedance matching network is in a predetermined state;
determining a plurality of matched states of the tunable impedance matching network for each of the plurality of impedance loads; and
storing the plurality of determined matched states as a look-up table in a memory device.
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Abstract
Methods for generating a look-up table relating a plurality of complex reflection coefficients to a plurality of matched states for a tunable matching network. Typical steps include measuring a plurality of complex reflection coefficients resulting from a plurality of impedance loads while the tunable matching network is in a predetermined state, determining a plurality of matched states for the plurality of impedance loads, with a matched state determined for each of the plurality of impedance loads and providing the determined matched states as a look-up table. A further step is interpolating the measured complex reflection coefficients and the determined matching states into a set of complex reflection coefficients with predetermined step sizes.
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Citations
12 Claims
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1. A method for generating a look-up table relating a plurality of complex reflection coefficients to a plurality of matched states for a tunable impedance matching network, said method comprising the steps of:
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measuring a signal at a port of a tunable impedance matching network to determine a plurality of complex reflection coefficients resulting from a plurality of impedance loads while the tunable impedance matching network is in a predetermined state; determining a plurality of matched states of the tunable impedance matching network for each of the plurality of impedance loads; and storing the plurality of determined matched states as a look-up table in a memory device. - View Dependent Claims (2, 3, 4, 5, 11)
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6. A method for generating a look-up table relating a set of measured parameters to a set of matched states for a tunable impedance matching network, said method comprising the steps of:
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measuring a signal at a port of the tunable impedance matching network to determine a set of parameters associated with a plurality of impedance loads while the tunable impedance matching network is in a predetermined state; determining a matched state of the tunable impedance matching network for each of the plurality of impedance loads; and storing the plurality of determined matched states as a look-up table in a storage device. - View Dependent Claims (7, 8, 9, 10, 12)
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Specification