Method and apparatus for radio antenna frequency tuning

1. A method comprising:

obtaining, by a system of a wireless communication device, a usage condition associated with operation of the wireless communication device, the usage condition being obtained by a processor of the wireless communication device;

selecting, by the system, a first subset of use cases from a group of use cases based on the usage condition;

determining, by the system, a first operational parameter associated with a transceiver of the wireless communication device, the first operational parameter being determined from first parametric measurements collected during the operation of the wireless communication device, wherein the first operational parameter is not an operational mode of the wireless communication device and is not a wireless protocol;

selecting, by the system, a target use case from among the first subset of use cases based on the first operational parameter;

tuning, by the system, an impedance matching network of the wireless communication device based on the target use case;

determining, by the system, a second operational parameter associated with the transceiver, the second operational parameter being determined from second parametric measurements collected during the operation of the wireless communication device, wherein the second operational parameter is not the operational mode of the wireless communication device and is not the wireless protocol;

comparing, by the system, the second operational parameter to a threshold; and

selecting, by the system, a second subset of use cases from the group of use cases responsive to a determination that the second operational parameter does not satisfy the threshold,

wherein the first and second operational parameters are different.

2. The method of claim 1 , wherein the first operational parameter comprises a received signal strength indicator, wherein the first parametric measurements are collected for each tuning stats corresponding to each of the first subset of use cases during the operation of the wireless communication device, and wherein the selecting of the target use case from among the first subset of use cases is based on an averaging of select ones of the first parametric measurements.

3. The method of claim 1 , wherein the first operational parameter is associated with a receive portion of the transceiver and is obtained during a receive mode of the wireless communication device.

4. The method of claim 1 , wherein the first operational parameter comprises at least one of a received signal strength indicator, a received signal code power, a transmit power control level, a received signal quality, current drain, or a received bit error rate, and wherein the selecting of the first subset of use cases from the group of use cases is based on instructions received from a base station.

5. The method of claim 1 , wherein the usage condition comprises at least one of a mechanical configuration of the wireless communication device or a user interface mode of the wireless communication device.

6. The method of claim 1 , comprising performing additional tuning of the impedance matching network based on a second target use case selected from among the second subset of use cases.

7. The method of claim 6 , comprising obtaining an other usage condition associated with the operation of the wireless communication device, wherein the second subset of use cases is selected based on the other usage condition.

8. The method of claim 1 , comprising:

storing the group of use cases in a table in a memory of the wireless communication device; and

utilizing the table when selecting the first subset of use cases and the target use case.

9. The method of claim 1 , comprising:

obtaining band information associated with the operation of the wireless communication device;

storing the group of use cases in a table in a memory of the wireless communication device; and

selecting the first subset of use cases from the group of use cases stored in the table based on the usage condition and the band information.

10. The method of claim 1 , wherein the tuning comprises adjusting a variable reactance of the impedance matching network using one of a micro-electro-mechanical systems (MEMS) switch, a mechanical switch, or a semiconductor switch.

11. The method of claim 1 , wherein the tuning comprises adjusting a variable capacitance element of the impedance matching network.

12. A non-transitory computer-readable storage medium, comprising computer instructions which, when executed by a processor of a communication device, cause the processor to perform operations comprising:

identifying a subset of use cases from a group of use cases stored in a memory of the communication device, the subset of use cases being identified based on a usage condition of the communication device;

adjusting a matching network of the communication device based on tuning states corresponding to each of the subset of use cases;

obtaining a group of operational parameters via parametric measurements for each tuning state change between the tuning states corresponding to each of the subset of use cases, wherein the group of operational parameters include multiple operational parameters obtained at each of the tuning states at different times during an ordered sequence of sampling;

averaging the multiple operational parameters corresponding to each of the tuning states to identify an average operational parameter for each tuning state; and

determining a target use case from among the subset of use cases based on a determination as to which of the average operational parameters correlates with a desired performance goal.

13. The non-transitory computer-readable storage medium of claim 12 , wherein the group of operational parameters comprise a received signal strength indicator, and wherein the usage condition comprises a radio bearer type.

14. The non-transitory computer-readable storage medium of claim 12 , comprising tuning an impedance matching network of the communication device based on the target use case.

15. The non-transitory computer-readable storage medium of claim 12 , comprising computer instructions to receive instructions from a base station, wherein the received instructions are utilized in identifying the subset of use cases.

16. The non-transitory computer-readable storage medium of claim 12 , wherein the operational parameter is associated with a receive portion of a transceiver and is obtained during a receive mode of the communication device.

17. The non-transitory computer-readable storage medium of claim 16 , wherein the operational parameter comprises at least one of a received signal strength indicator, a received signal code power, a received signal quality, current drain, or a received bit error rate.

18. The non-transitory computer-readable storage medium of claim 12 , comprising computer instructions to:

monitor for a change in the operational parameter; and

determine an other subset of use cases from the group of use cases when the change in the operation parameter no longer satisfies a threshold.

19. A matching network for a communication device, the matching network comprising:

an impedance matching circuit connectable with an antenna of the communication device, the impedance matching circuit comprising one or more variable components; and

a controller connectable with the impedance matching circuit, wherein the controller performs operations comprising:

selecting a subset of use cases from a group of use cases based on a usage condition of the communication device and based on instructions received from a base station;

determining an operational parameter associated with a transceiver of the communication device, the operational parameter being determined by collecting multiple parametric measurements for each tuning state corresponding to each of the subset of use cases during the operation of the communication device;

selecting a target use case from among the subset of use cases based on an averaging of select ones of the multiple parametric measurements; and

adjusting the one or more variable components based on the target use case to tune the impedance matching circuit.

20. The matching network of claim 19 , wherein the operational parameter is obtained from a directional coupler operably coupled with the antenna.