System and Method for Providing Power Management in a Sensor Network
First Claim
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1. A sensor network, comprising:
- a plurality of sensors connected in a network configuration; and
at least one power management device connected between a powered node of at least one network other than the sensor network and at least one of the sensors, the at least one power management device being operable to couple power according to a respective power management policy from the powered node of the at least one network other than the sensor network to the at least one of the sensors.
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Abstract
Providing power management to sensing nodes in a sensor network may include a plurality of sensing nodes, each sensing node connected through a power management device to an external power source, such as a powered node of another network, for managing power from the external power source to the sensing node. Multiple power management devices allow for a sensor network of fixed or mobile wireless sensing nodes or sensor gateways to make use of power from an external source such as an another network. An intelligent power management device connected to at least one of the sensing nodes may provide for power policy management.
20 Citations
24 Claims
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1. A sensor network, comprising:
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a plurality of sensors connected in a network configuration; and at least one power management device connected between a powered node of at least one network other than the sensor network and at least one of the sensors, the at least one power management device being operable to couple power according to a respective power management policy from the powered node of the at least one network other than the sensor network to the at least one of the sensors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of operating a sensor network, the sensor network comprising a plurality of sensors connected in a network configuration, the method comprising:
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providing at least one power management device connected between a powered node of at least one network other than the sensor network and at least one of the sensors; and operating the at least one power management device to couple power according to a respective power management policy from the powered node of the at least one network other than the sensor network to the at least one of the sensors. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A power management device for use in a sensor network, the power management device comprising:
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a power input interface for connection to a powered node of at least one network other than the sensor network; at least one sensor interface for connection to at least one sensor of the sensor network; and a controller operable to couple power according to a respective power management policy from the powered node of the at least one network other than the sensor network to the at least one sensor. - View Dependent Claims (18, 19, 20)
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21. A method of operating a power management device in a sensor network, the method comprising:
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connecting a power input interface of the power management device to a powered node of at least one network other than the sensor network; connecting at least one sensor interface of the power management device to at least one sensor of the sensor network; and coupling power according to a respective power management policy from the powered node of the at least one network other than the sensor network to the at least one sensor. - View Dependent Claims (22, 23, 24)
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Specification