Power efficient communications
First Claim
Patent Images
1. A power-efficient communication device, comprising:
- a power efficient transmitter having a data transmission rate determined, at least in part, by output power from an electrical power source that is currently available to the transmitter for operation, the output power from the electrical power source having a defined peak power characteristic and the transmitter configured in operation to enable a ratio of peak-to-average power consumption of the output power available from the electrical power source to be minimized and to enable energy consumption of the output power available from the electrical power source to be maximized per unit time,wherein the ratio of peak-to-average power consumption of the output power available from the electrical power source by the transmitter to transmit the data is minimized in order to maximize a portion of the available output power used by the transmitter to transmit.
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Accused Products
Abstract
A method, system, and device provide power-efficient communications within the context of available power. Transmission and receipt data rates are scalable in accordance with output power available from a power source. Data is transmitted at a data rate determined, at least in part, by the available output power.
259 Citations
39 Claims
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1. A power-efficient communication device, comprising:
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a power efficient transmitter having a data transmission rate determined, at least in part, by output power from an electrical power source that is currently available to the transmitter for operation, the output power from the electrical power source having a defined peak power characteristic and the transmitter configured in operation to enable a ratio of peak-to-average power consumption of the output power available from the electrical power source to be minimized and to enable energy consumption of the output power available from the electrical power source to be maximized per unit time, wherein the ratio of peak-to-average power consumption of the output power available from the electrical power source by the transmitter to transmit the data is minimized in order to maximize a portion of the available output power used by the transmitter to transmit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A power-efficient communication device, comprising:
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a power efficient transmitter having a data transmission rate determined, at least in part, by output power from an electrical power source that is currently available to the transmitter for operation, the output power from the electrical power source having a defined peak power characteristic and the transmitter configured in operation to enable a ratio of peak-to-average power consumption of the output power available from the electrical power source to be minimized and to enable energy consumption of the output power available from the electrical power source to be maximized per unit time, wherein the transmitter is operable to predict a future value of the available output power and in accordance with the predicted change in available output power to change one or more of the transmit power of the transmitter and the data transmission rate of the transmitter. - View Dependent Claims (12, 13, 14, 15)
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16. A power-efficient communication device, comprising:
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a transmitter configured to transmit a data transmission rate determined, at least in part, by output power available to the transmitter from an electrical power source, wherein the transmitter is operable to predict a future value of the available output power and in accordance with the predicted change in available output power to change one or more of the transmit power of the transmitter and the data transmission rate of the transmitter, wherein the transmitter predicts a future value of the available output power of the electrical power source using a predictive algorithm comprising one or more of a curve-fitting technique, a linear extrapolation, a non-linear extrapolation, and a heuristic, and wherein in accordance with the predictive algorithm, the transmitter is operable to collect at a plurality of times T-n the available output power P-n of the electrical power source, determine a linear rate of change m of the available output power in accordance with
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17. A power-efficient communication device, comprising:
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a power efficient transmitter having a data transmission rate determined, at least in part, by output power from an electrical power source that is currently available to the transmitter for operation, the output power from the electrical power source having a defined peak power characteristic and the transmitter configured in operation to enable a ratio of peak-to-average power consumption of the output power available from the electrical power source to be minimized and to enable energy consumption of the output power available from the electrical power source to be maximized per unit time, wherein to optimize the data transmission rate over a communication link the transmitter is operable to transmit a plurality of consecutive data packets over the communication link at a test data transmission rate and determine whether each data packet of the plurality of consecutive data packets was successfully transmitted at the test data transmission rate, wherein if each data packet of the plurality of consecutive data packets was successfully transmitted at the test data transmission rate, the transmitter is operable to increase the test data transmission rate by a predetermined multiplier to an increased test data transmission rate if the test data transmission rate is not a maximum data transmission rate of the communication link and wherein if one or more of the data packets of the plurality of consecutive data packets was not successfully transmitted at the test data transmission rate, then upon determination that a first data packet of the one or more of the data packets of the plurality of consecutive data packets was not successfully transmitted the transmitter is operable to reduce the test data transmission rate by a predetermined divider to a reduced test data transmission rate and transmit the first data packet of the one or more data packets of the plurality of consecutive data packets at the reduced test data transmission rate. - View Dependent Claims (18, 19)
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20. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source that is currently available for operation, the available output power from the electrical power source having a defined peak power characteristic; transmitting data at a data transmission rate determined, at least in part, by the available output power; and minimizing a ratio of peak-to-average power consumed in transmitting the data in order to maximize a portion of the available output power usable to transmit data, wherein minimizing the ratio of peak-to-average power consumed in transmitting the data enables peak power consumption of the available output power from the electrical power source to be minimized and energy consumption of the available output power from the electrical power source to be maximized per unit time. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source that is currently available for operation, the available output power from the electrical power source having a defined peak power characteristic; transmitting data at a data transmission rate determined, at least in part, by the available output power, the transmitting configured to enable a ratio of peak-to-average power consumption of the available output power of the electrical power source to be minimized and energy consumption of the available output power of the electrical power source to be maximized per unit time; determining a data reception rate of data transmitted by a first network device and received by a second network device; and estimating a range between said first and second network devices from the data reception rate. - View Dependent Claims (29, 30)
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31. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source that is currently available for operation, the available output power from the electrical power source having a defined peak power characteristic; and transmitting data at a data transmission rate determined, at least in part, by the available output power, the transmitting configured to enable a ratio of peak-to-average power consumption of the available output power of the electrical power source to be minimized and energy consumption of the available output power of the electrical power source to be maximized per unit time, wherein determining the available output power of the electrical power source comprises predicting a future value of the available output power of the electrical power source. - View Dependent Claims (32, 33, 34, 35)
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36. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source; and transmitting data at a data transmission rate determined, at least in part, by the available output power, wherein determining available output power of the electrical power source comprises predicting a future value of the available output power of the electrical power source, wherein predicting a future value of the available output power of the electrical power source further comprises the use of a predictive algorithm having one or more of a curve-fitting technique, a linear extrapolation, a non-linear extrapolation, and a heuristic, and wherein in accordance with the predictive algorithm, further comprising; a transmitter collecting at a plurality of times T-n the available output power P-n of the electrical power source; determining a linear rate of change m of the available output power in accordance with
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37. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source that is currently available for operation, the available output power from the electrical power source having a defined peak power characteristic; transmitting data at a data transmission rate determined, at least in part, by the available output power; and optimizing the data transmission rate over a communication link by; transmitting a plurality of consecutive data packets over the communication link at a test data transmission rate, the transmitting configured to enable a ratio of peak-to-average power consumption of the available output power of the electrical power source to be minimized and energy consumption of the available output power of the electrical power source to be maximized per unit time; determining whether each data packet of the plurality of consecutive data packets was successfully transmitted at the test data transmission rate; if each data packet of the plurality of consecutive data packets was successfully transmitted at the test data transmission rate, increasing the test data transmission rate by a predetermined multiplier to an increased test data transmission rate if the test data transmission rate is not a maximum data transmission rate of the communication link; and if one or more of the data packets of the plurality of consecutive data packets was not successfully transmitted at the test data transmission rate, then upon determination that a first data packet of the one or more of the data packets of the plurality of consecutive data packets was not successfully transmitted reducing the test data transmission rate by a predetermined divider to a reduced test data transmission rate and transmitting the first data packet of the one or more data packets of the plurality of consecutive data packets at the reduced test data transmission rate. - View Dependent Claims (38, 39)
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Specification