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US 12,597,842 B2Granted
Selective voltage boosting for a radio system
AssigneeOutdoor Wireless Networks LLC
InventorJohn T. Hanley
Life of this patent
Estimating the term…
Abstract
Techniques for enhancing a power efficiency of a direct current (DC) power delivery system is provided. The power delivery system may be configured to provide DC power to a radio. The power delivery system bypasses or does not bypass a DC voltage converter based upon whether DC power efficiency will be increased.
Claims24
A selective boost converter configured to provide direct current (DC) power through power conductors to a radio, the selective boost converter comprising:
- input electrical conductors configured to be electrically coupled to at least one DC power source providing an unboosted DC voltage;
- output electrical conductors configured to be electrically coupled to the radio through the power conductors;
- switch circuitry electrically coupled to the output electrical conductors and the input electrical conductors;
- a DC voltage boost converter comprising a DC power input and a DC power output, wherein the DC power input of the DC voltage boost converter is electrically coupled to the input electrical conductors, wherein the DC power output of the DC voltage boost converter is electrically coupled to the switch circuitry;
- a current sensor coupled to the output electrical conductors and configured to measure a direct current level drawn through the output electrical conductors and output by a DC power delivery system;
- input circuitry configured to obtain at least one electrical parameter related to a resistance of the power conductors;
- and
- processing circuitry electrically coupled to the input circuitry and the switch circuitry, and configured to:
- based upon the measured direct current level, determine if a DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than a DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, wherein the DC power delivery system comprises the selective boost converter and the power conductors, and wherein the DC power efficiency of the DC power delivery system means a DC power output level by the DC power delivery system divided by a DC power level received by the DC power delivery system;
- upon determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then provide a boosted DC voltage, generated by the DC voltage boost converter and from the unboosted DC voltage, through the switch circuitry to the output electrical conductors, wherein the boosted DC voltage greater than the unboosted DC voltage;
- and
- upon determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is not larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then provide the unboosted DC voltage through the switch circuitry to the output electrical conductors.
9 more elements
A method for enhancing direct current (DC) power efficiency of a DC power delivery system configured to provide DC power, through power conductors, to a DC power input of a radio, the method comprising:
- receiving or measuring a direct current level drawn through the power conductors and output by the DC power delivery system, wherein the DC power delivery system comprises a selective boost converter and the power conductors, wherein the selective boost converter comprises a DC voltage boost converter, and wherein the DC voltage boost converter can be selectively bypassed or not bypassed;
- based upon the received or the measured direct current level, determining if a DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than a DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, wherein the DC power efficiency of the DC power delivery system means a DC power output level by the DC power delivery system divided by a DC power level received by the DC power delivery system;
- determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then generating, with the DC voltage boost converter and from an unboosted DC voltage, a boosted DC voltage and providing the boosted DC voltage at an output of the selective boost converter, wherein the boosted DC voltage greater than the unboosted DC voltage;
- and
- determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is not larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then providing the unboosted DC voltage at the output of the selective boost converter.
2 more elements
A program product for enhancing direct current (DC) power efficiency of a DC power delivery system configured to provide DC power, through power conductors, to a DC power input of a radio, and comprising a non-transitory processor readable medium on which program instructions are embodied, wherein the program instructions are configured, when executed by at least one processor, to cause the at least one processor to:
- receive or measure a direct current level drawn through the power conductors and output by the DC power delivery system, wherein the DC power delivery system comprises a selective boost converter and the power conductors, wherein the selective boost converter comprises a DC voltage boost converter, and wherein the DC voltage boost converter can be selectively bypassed or not bypassed;
- based upon the received or the measured direct current level, determine if a DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than a DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, wherein the DC power efficiency of the DC power delivery system means a DC power output level by the DC power delivery system divided by a DC power level received by the DC power delivery system;
- upon determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then generate, with the DC voltage boost converter and from an unboosted DC voltage, a boosted DC voltage and providing the boosted DC voltage at an output of the selective boost converter, wherein the boosted DC voltage greater than the unboosted DC voltage;
- and
- upon determining that the DC power efficiency of the DC power delivery system when the DC voltage boost converter is not bypassed is not larger than the DC power efficiency of the DC power delivery system when the DC voltage boost converter is bypassed, then provide the unboosted DC voltage at the output of the selective boost converter.
2 more elements
Dependencies are inferred from the claim text.