Methods for managing power consumption in a sensor network
First Claim
1. A method for managing power consumption in a sensor network, the method comprising:
- at a primary node, in the sensor network, having a primary node sensor profile;
locating a secondary node, in the sensor network, having a secondary node sensor profile;
comparing the secondary node sensor profile to the primary node sensor profile to construct a virtual sensor profile that reduces redundant sensor data gathering between the primary and secondary sensor nodes;
determining a power consumption optimization hardware configuration for the secondary node to provide sensor data for the virtual sensor profile; and
assigning the determined hardware configuration to the secondary node;
wherein the primary node includes a first plurality of sensors and the secondary node includes a second plurality of sensors, the method further comprising;
identifying a first sensor of the first plurality of sensors and a second sensor of the second plurality of sensors, where the first and second sensors are collocated and coupled to each other by the sensor network; and
performing a sensor sharing negotiation function to reduce redundant sensor data gathering between the first sensor and the second sensor.
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Abstract
Methods for reducing sensor support power in a sensor network include a primary node locating a secondary node. The primary node has a primary node sensor profile, and the secondary node has a secondary node sensor profile. The secondary node sensor profile is compared to the primary node sensor profile. A virtual sensor profile is constructed based on the comparison between the primary and secondary sensor profiles. The virtual sensor profile reduces redundant sensor data gathering between the primary and secondary sensor nodes. A power consumption optimization hardware configuration for the secondary node is determined to provide sensor data for the virtual sensor profile, and the determined hardware configuration is assigned to the secondary node.
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Citations
16 Claims
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1. A method for managing power consumption in a sensor network, the method comprising:
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at a primary node, in the sensor network, having a primary node sensor profile; locating a secondary node, in the sensor network, having a secondary node sensor profile; comparing the secondary node sensor profile to the primary node sensor profile to construct a virtual sensor profile that reduces redundant sensor data gathering between the primary and secondary sensor nodes; determining a power consumption optimization hardware configuration for the secondary node to provide sensor data for the virtual sensor profile; and assigning the determined hardware configuration to the secondary node; wherein the primary node includes a first plurality of sensors and the secondary node includes a second plurality of sensors, the method further comprising; identifying a first sensor of the first plurality of sensors and a second sensor of the second plurality of sensors, where the first and second sensors are collocated and coupled to each other by the sensor network; and performing a sensor sharing negotiation function to reduce redundant sensor data gathering between the first sensor and the second sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for collaborative operation of a plurality of sensor units in a sensor network to manage power consumption in the sensor network, the method comprising:
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at a first sensor unit of the plurality of sensor units; determining an environment and power profile of the first sensor unit; communicating with a second sensor unit of the plurality of sensor units to determine an environment and power profile of the second sensor unit; comparing the environment and power profiles of the first and second sensor units to determine a power consumption optimization hardware configuration for each of the first and second sensor units; and changing a hardware configuration of at least one of the first sensor unit or the second sensor unit in accordance with the determined power consumption optimization hardware configurations to disable a sensor function in at least one of the first or second sensor units. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method for managing power consumption in a sensor network, the method comprising:
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at a primary node, in the sensor network, having a primary node sensor profile; locating a secondary node, in the sensor network, having a secondary node sensor profile; comparing the secondary node sensor profile to the primary node sensor profile to construct a virtual sensor profile that reduces redundant sensor data gathering between the primary and secondary sensor nodes; determining a power consumption optimization hardware configuration for the secondary node to provide sensor data for the virtual sensor profile; and assigning the determined hardware configuration to the secondary node; wherein determining the power consumption optimization hardware configuration further comprises; determining a baseline power drain profile for each of the primary and secondary nodes; determining a remaining battery life for each of the primary and secondary nodes based on the baseline power drain profile; and performing a numerical analysis function to prioritize a distribution of sensor work loads for each of the primary and secondary nodes based on both the remaining battery life and the baseline power drain profile for each of the primary and secondary nodes.
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Specification