Power-aware wireless transmissions
First Claim
Patent Images
1. A system comprising:
- a Power over Ethernet-(PoE-) compliant port;
a data port;
a first physical (PHY) layer coupled to the PoE-compliant port;
a second PHY layer coupled to the data port;
a processor coupled to the first PHY layer and the second PHY layer;
a primary radio coupled to the processor;
an auxiliary radio coupled to the processor;
wherein, in operation, the PoE-compliant port is coupled to an Ethernet network and receives power and first data;
at least some of the power is provided to the primary radio;
the first data is provided to the primary radio through the first PHY layer and the processor and output by the primary radio as first wireless data;
the data port is coupled to a network and is capable of receiving second data;
when the power is sufficient to power the auxiliary radio, the second data is provided from the data port to the auxiliary radio through the second PHY layer and the processor and output by the auxiliary radio as second wireless data;
when the power is insufficient to power the auxiliary radio, the second data is provided from the data port to the primary radio through the second PHY layer and the processor and output by the primary radio as second wireless data.
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Abstract
A technique for operating a device at multiple different power levels dependent upon the amount of power received involves sensing the amount of power received and turning on circuit components if power is adequate. A device constructed according to the technique should have the ability to detect at least two different, non-zero, power levels and turn on circuits to the extent that sufficient power is detected.
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Citations
20 Claims
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1. A system comprising:
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a Power over Ethernet-(PoE-) compliant port; a data port; a first physical (PHY) layer coupled to the PoE-compliant port; a second PHY layer coupled to the data port; a processor coupled to the first PHY layer and the second PHY layer; a primary radio coupled to the processor; an auxiliary radio coupled to the processor; wherein, in operation, the PoE-compliant port is coupled to an Ethernet network and receives power and first data;
at least some of the power is provided to the primary radio;
the first data is provided to the primary radio through the first PHY layer and the processor and output by the primary radio as first wireless data;
the data port is coupled to a network and is capable of receiving second data;
when the power is sufficient to power the auxiliary radio, the second data is provided from the data port to the auxiliary radio through the second PHY layer and the processor and output by the auxiliary radio as second wireless data;
when the power is insufficient to power the auxiliary radio, the second data is provided from the data port to the primary radio through the second PHY layer and the processor and output by the primary radio as second wireless data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a first Power over Ethernet-(PoE-) compliant port; a second PoE-compliant port; a first physical (PHY) layer coupled to the first PoE-compliant port; a second PHY layer coupled to the second PoE-compliant port; a processor coupled to the first PHY layer and the second PHY layer; a primary radio coupled to the processor; an auxiliary radio coupled to the processor; wherein, in operation, the first PoE-compliant port is coupled to an Ethernet network and receives first power and first data;
at least some of the first power is provided to the primary radio;
the first data is provided to the primary radio through the first PHY layer and the processor and output by the primary radio as first wireless data;
the second PoE-compliant port is coupled to an Ethernet network and receives second power and second data;
at least some of the second power is provided to the auxiliary radio;
the second data is provided to the auxiliary radio through the second PHY layer and the processor and output by the auxiliary radio as second wireless data. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method comprising:
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receiving power on a PoE-compliant port; determining whether the power is sufficient to power an auxiliary radio as well as the primary radio; providing at least some of the power to a primary radio; receiving first data on the PoE-compliant port; providing the first data to the primary radio; transmitting from the primary radio the first data as first wireless data; receiving second data on a data port; when the power is sufficient to power the auxiliary radio as well as the primary radio; providing at least some of the power to the auxiliary radio; providing the second data to the auxiliary radio; transmitting from the auxiliary radio the second data as second wireless data; when the power is insufficient to power the auxiliary radio as well as the primary radio; providing the second data to the primary radio; transmitting from the primary radio the second data as second wireless data.
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Specification