Monitoring health of a predistortion system
First Claim
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1. A method, comprising:
- determining at a current time a current intermodulation content of a predistortion system;
determining an intermodulation ratio using the current intermodulation content and a previous intermodulation content for the predistortion system, the previous intermodulation content determined at a time previous to the current time;
comparing the determined intermodulation ratio with stored intermodulation ratios; and
communicating a warning in response to the comparing indicating the predistortion system is unhealthy.
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Abstract
At a current time, a current intermodulation content of a predistortion system is determined. An intermodulation ratio is determined using the current intermodulation content and a previous intermodulation content for the predistortion system. The previous intermodulation content is determined at a time previous to the current time. The determined intermodulation ratio is compared with stored intermodulation ratios. A warning is communicated in response to the comparing indicating the predistortion system is unhealthy. Apparatus and computer program products are also disclosed.
21 Citations
22 Claims
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1. A method, comprising:
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determining at a current time a current intermodulation content of a predistortion system; determining an intermodulation ratio using the current intermodulation content and a previous intermodulation content for the predistortion system, the previous intermodulation content determined at a time previous to the current time; comparing the determined intermodulation ratio with stored intermodulation ratios; and communicating a warning in response to the comparing indicating the predistortion system is unhealthy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus, comprising:
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one or more processors; and one or more memories including computer program code, the one or more memories and the computer program code configured, with the one or more processors, to cause the apparatus to perform at least the following; determining at a current time a current intermodulation content of a predistortion system; determining an intermodulation ratio using the current intermodulation content and a previous intermodulation content for the predistortion system, the previous intermodulation content determined at a time previous to the current time; comparing the determined intermodulation ratio with stored intermodulation ratios; and communicating a warning in response to the comparing indicating the predistortion system is unhealthy. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A computer program product comprising a computer-readable storage medium bearing computer program code embodied therein for use with a computer, the computer program code comprising:
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code for determining at a current time a current intermodulation content of a predistortion system; code for determining an intermodulation ratio using the current intermodulation content and a previous intermodulation content for the predistortion system, the previous intermodulation content determined at a time previous to the current time; code for comparing the determined intermodulation ratio with stored intermodulation ratios; and code for communicating a warning in response to the comparing indicating the predistortion system is unhealthy.
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Specification