Power efficient communications
First Claim
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1. A power-efficient communication device, comprising:
- a power efficient receiver configured in operation to enable a ratio of peak-to-average power consumption of the available output power of an energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time, the receiver capable of a data reception rate determined, at least in part, by output power available to the receiver from the energy harvesting electrical power source,wherein the ratio of peak-to-average power consumption of the output power available from the electrical power source by the receiver to receive the data is minimized in order to maximize a portion of the available output power usable to receive the data.
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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.
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Citations
31 Claims
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1. A power-efficient communication device, comprising:
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a power efficient receiver configured in operation to enable a ratio of peak-to-average power consumption of the available output power of an energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time, the receiver capable of a data reception rate determined, at least in part, by output power available to the receiver from the energy harvesting electrical power source, wherein the ratio of peak-to-average power consumption of the output power available from the electrical power source by the receiver to receive the data is minimized in order to maximize a portion of the available output power usable to receive the data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A power-efficient communication device, comprising:
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a receiver capable of a data reception rate determined, at least in part, by output power available to the receiver from an electrical power source, wherein a ratio of peak-to-average power consumption of the output power available from the electrical power source by the receiver to receive the data is minimized in order to maximize a portion of the available output power usable to receive the data and wherein minimization of the ratio of peak-to-average power consumed by the receiver occurs by reducing power used by the receiver to receive the data and wherein the receiver further comprises; a synthesizer; a controlled oscillator; and a sequencer operable to generate a plurality of enable signals that control operation of the synthesizer, the controlled oscillator, and a receiver signal path of the receiver, wherein the sequencer is operable to selectively control operation of the receiver to prevent simultaneous operation of the synthesizer and the receiver signal path during a receive period of the receiver. - View Dependent Claims (10)
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11. A power-efficient communication device, comprising:
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a receiver capable of a data reception rate determined, at least in part, by output power available to the receiver from an electrical power source, wherein a ratio of peak-to-average power consumption of the output power available from the electrical power source by the receiver to receive the data is minimized in order to maximize a portion of the available output power usable to receive the data and wherein minimization of the ratio of peak-to-average power consumed by the receiver occurs by reducing power used by the receiver to receive the data and wherein the receiver is operable to reduce the current used by the receiver to receive the data by selective control of the operation of a microcomputer and the receiver to prevent simultaneous operation of the microcomputer and the receiver during a receive period of the receiver. - View Dependent Claims (12)
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13. A power-efficient communication device, comprising:
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a power efficient receiver configured in operation to enable a ratio of peak-to-average power consumption of the available output power of an energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time, the receiver capable of a data reception rate determined, at least in part, by output power available to the receiver from the energy harvesting electrical power source, wherein the sensitivity of the receiver is determined by the available output power and wherein the sensitivity of the receiver is adjustable by adjustment of the power consumption of the receiver. - View Dependent Claims (14)
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15. A method of power-efficient communications, comprising:
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determining an available output power of an energy harvesting electrical power source capable of producing an available output power for an indefinite period of time and having a defined peak power characteristic; receiving data at a data reception rate determined, at least in part, by the available output power, the receiving data configured to enable a ratio of peak-to-average power consumption of the available output power of the energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time; and minimizing the ratio of peak-to-average power consumption of the output power available from the electrical power source in receiving the data in order to maximize a portion of the available output power usable to receive data. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method of power-efficient communications, comprising:
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determining an available output power of an electrical power source; receiving data at a data reception rate determined, at least in part, by the available output power; minimizing a ratio of peak-to-average power consumption of the output power available from the electrical power source in receiving the data in order to maximize a portion of the available output power usable to receive data, wherein minimizing the ratio of peak-to-average power comprises reducing power used by a receiver to receive the data by selectively controlling operation of a microcomputer and the receiver to minimize the ratio of peak-to-average power used by the microcomputer and the receiver; the receiver waking up from a receiver sleep mode and receiving a data packet while the microcomputer is in a microcomputer sleep mode; the receiver placing the received data packet in a receive buffer of the receiver; the receiver going into a receiver sleep mode; the microcomputer waking up and processing the received data packet; and the microcomputer going into the microcomputer sleep mode.
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26. A method of power-efficient communications, comprising:
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determining an available output power of an energy harvesting electrical power source capable of producing an available output power for an indefinite period of time and having a defined peak power characteristic; receiving data at a data reception rate determined, at least in part, by the available output power, the receiving data configured to enable a ratio of peak-to-average power consumption of the available output power of the energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time, further comprising; 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 (27, 28)
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29. A method of power-efficient communications, comprising:
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determining an available output power of an energy harvesting electrical power source capable of producing an available output power for an indefinite period of time and having a defined peak power characteristic; and adjusting the sensitivity of a power-efficient receiver in accordance with the determined available output power, the power efficient receiver configured in operation to enable a ratio of peak-to-average power consumption of the available output power of an energy harvesting electrical power source to be minimized and to enable energy consumption of the available output power of the energy harvesting electrical power source to be maximized per unit time. - View Dependent Claims (30, 31)
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Specification