Method and apparatus for managing interference in a communication device
First Claim
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1. A method comprising:
- determining, by a system including a processor, whether measured parameters are valid or invalid based on a phase threshold analysis, wherein the system is integrated in a communication device;
adjusting, by the system, a tunable reactance circuit of the communication device to a first tuning state according to the measured parameters responsive to a determination that the measured parameters are valid; and
adjusting, by the system, the tunable reactance circuit to a second tuning state responsive to a determination that the measured parameters are invalid, wherein the second tuning state is one of a default tuning state or a last known tuning state for a use case of the communication device that was previously determined valid,wherein the phase threshold analysis is based on detecting an erratic shift between a subset of the measured parameters that is greater than a phase threshold, and wherein the determination that the measured parameters are invalid is based in part on detecting a return loss greater than a return loss threshold.
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Abstract
A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to be coupled to at least one of a transmitter portion and a receiver portion of a communication device, wherein the tunable reactance circuit is adjustable to a plurality of tuning states, and wherein the determination of a tuning state is based on parameters associated with a detected interference. Additional embodiments are disclosed.
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Citations
20 Claims
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1. A method comprising:
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determining, by a system including a processor, whether measured parameters are valid or invalid based on a phase threshold analysis, wherein the system is integrated in a communication device; adjusting, by the system, a tunable reactance circuit of the communication device to a first tuning state according to the measured parameters responsive to a determination that the measured parameters are valid; and adjusting, by the system, the tunable reactance circuit to a second tuning state responsive to a determination that the measured parameters are invalid, wherein the second tuning state is one of a default tuning state or a last known tuning state for a use case of the communication device that was previously determined valid, wherein the phase threshold analysis is based on detecting an erratic shift between a subset of the measured parameters that is greater than a phase threshold, and wherein the determination that the measured parameters are invalid is based in part on detecting a return loss greater than a return loss threshold. - View Dependent Claims (2, 3, 4)
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5. A communication device, comprising:
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a transceiver; a tunable reactance circuit coupled to the transceiver; and a processor coupled to the tunable reactance circuit, wherein the processor, responsive to executing instructions, performs operations comprising; selecting measurement times for parameters to enable measuring the parameters so that a subset of the parameters are measured outside of a transmission burst; measuring the parameters according to the measurement times; determining whether the parameters are valid or invalid based on a threshold analysis; adjusting the tunable reactance circuit to a first tuning state according to the parameters responsive to a determination that the parameters are valid; and adjusting the tunable reactance circuit to a second tuning state responsive to a determination that the parameters are invalid, wherein the threshold analysis utilizes a dynamic threshold that is adjusted during operation of the communication device according to a known transmitted power level and a target return loss associated with a use case determined for the communication device and a communication channel being utilized by the communication device. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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sampling, by a system including a processor, parameters associated with forward and reverse power, wherein the system is integrated in a communication device, wherein the sampling is performed at a rate and in an amount that enables detection of peaks, nulls or a combination thereof; detecting, by the system, an existence of an interferer based on the sampling of the parameters; determining, by the system, a tuning state for a matching network of the communication device based on whether the interferer exists; adjusting, by the system, the matching network based on the tuning state when the interferer does not exist; and adjusting, by the system, the matching network based on a previously determined tuning state when the interferer does exist. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification