Method and apparatus for calibrating a communication device
First Claim
1. A communication device, comprising:
- an antenna;
a transceiver;
a tunable matching network coupled with the antenna and the transceiver, the tunable matching network including at least one variable reactance element;
a memory to store instructions; and
a processor coupled to the memory, wherein execution of the instructions by the processor causes the processor to perform operations comprising;
selecting a subset of tuning states for the tunable matching network;
performing actual measurements of a plurality of performance parameters of the communication device according to the subset of tuning states;
determining estimated measurements of the plurality of performance parameters for at least a portion of the tuning states not included in the subset of tuning states based on the actual measurements of the plurality of performance parameters;
identifying data sets for the plurality of performance parameters from the subset of tuning states and the actual and estimated measurements; and
determining from the data sets one or more tuning states of the tunable matching network that achieves a performance characteristic of the communication device.
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Abstract
A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or more performance parameters of a communication device according to a subset of tuning states of a tunable matching network operable in a communication device, determine estimated measurements of the one or more performance parameters of the communication device for a portion of the tuning states not included in the subset of tuning states according to the actual measurements, identify a data set for each of the one or more performance parameters from at least portions of the tuning states and the actual and estimated measurements, and determine from at least a portion of the date sets one or more tuning states that achieve at least one desirable performance characteristic of the communication device. Additional embodiments are disclosed.
419 Citations
20 Claims
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1. A communication device, comprising:
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an antenna; a transceiver; a tunable matching network coupled with the antenna and the transceiver, the tunable matching network including at least one variable reactance element; a memory to store instructions; and a processor coupled to the memory, wherein execution of the instructions by the processor causes the processor to perform operations comprising; selecting a subset of tuning states for the tunable matching network; performing actual measurements of a plurality of performance parameters of the communication device according to the subset of tuning states; determining estimated measurements of the plurality of performance parameters for at least a portion of the tuning states not included in the subset of tuning states based on the actual measurements of the plurality of performance parameters; identifying data sets for the plurality of performance parameters from the subset of tuning states and the actual and estimated measurements; and determining from the data sets one or more tuning states of the tunable matching network that achieves a performance characteristic of the communication device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method, comprising:
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obtaining, by a system including a processor, a measurement of a performance parameter of a communication device according to a subset of tuning states of a tunable reactive element of the communication device, wherein the performance parameter is associated with a receive mode and a transmit mode of the communication device; estimating, by the system, a measurement for the performance parameter for at least a portion of the subset of tuning states not included in the subset of tuning states according to regression analysis applied to at least portions of the obtained measurement; determining, by the system, a multi-dimensional data set for the performance parameter from at least portions of the tuning states, the obtained measurement and the estimated measurement; and enabling a user selection of at least a subset of the tuning states for storage in a look-up table which can be used by the communication device for tuning the tunable reactive element while the communication device is in operation. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A communication device, comprising:
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an antenna; a transceiver; a tunable matching network coupled with the antenna and the transceiver, wherein the tunable matching network comprises at least one of a first tunable reactance circuit having at least one tunable reactive element, or a second tunable reactance circuit having at least one switchable element that enables or disables at least one fixed reactance element; a memory to store instructions; and a processor coupled to the memory, wherein execution of the instructions by the processor causes the processor to perform operations comprising; retrieving actual measurements of a performance parameter of the communication device according to a subset of tuning states of the tunable matching network; determining estimated measurements of the performance parameter for at least a portion of the tuning states not included in the subset of tuning states based on the actual measurements; identifying data sets for the performance parameter from at least portions of the tuning states and the actual and estimated measurements; and determining from at least a portion of the data sets tuning states that achieve a performance characteristic of the communication device. - View Dependent Claims (20)
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Specification