Manually beam steered phased array
First Claim
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1. An antenna apparatus comprising:
- an array of antenna elements; and
a single moveable feeding point coupled to the antenna elements, the feeding point movable with respect to the antenna elements in the array and combining radio frequency energy together in RF, wherein movement of the feeding point causes beam steering.
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Abstract
A beam steered phased array antenna and system for including the same are described. In one embodiment, the antenna apparatus comprises an array of a plurality of antenna elements, the array having a single moveable feeding point coupled to the antenna elements, where the moveable feeding point is movable with respect to the antenna elements in the array.
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Citations
19 Claims
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1. An antenna apparatus comprising:
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an array of antenna elements; and a single moveable feeding point coupled to the antenna elements, the feeding point movable with respect to the antenna elements in the array and combining radio frequency energy together in RF, wherein movement of the feeding point causes beam steering. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A sensor node for use in a sensor network, the sensor comprising:
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one or more sensors for sensing and logging data; a transmitter to transmit information wirelessly; an antenna apparatus comprising an array of antenna elements, and a moveable feeding point coupled to the antenna elements to move the feeding point with respect to the antenna elements in the array, the feeding point combining radio frequency energy together for RF; an energy harvesting unit coupled to the antenna apparatus and operable to convert incident energy received by the antenna apparatus to direct current (DC); and a microcontroller coupled to the energy harvesting unit, the one or more sensors and the transmitter, the microcontroller operable to cause the transmitter to communicate sensed data from at least one of the one or more sensors while powered by energy previously harvested by the energy harvesting and storage unit. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A Wi-Fi communication system comprising:
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an access point coupled to provide access to a network; a sensor node comprising one or more sensors for sensing and logging data; a transmitter to transmit information wirelessly; an antenna apparatus comprising an array of antenna elements, and a moveable feeding point coupled to the antenna elements to move the feeding point with respect to the antenna elements in the array, the feeding point combining radio frequency energy together for RF; an energy harvesting unit coupled to the antenna and operable to convert incident energy received by the antenna apparatus to direct current (DC); and a microcontroller coupled to the energy harvesting unit, the one or more sensors and the transmitter, the microcontroller operable to cause the transmitter to communicate sensed data from at least one of the one or more sensors to the access point while powered by energy previously harvested by the energy harvesting and storage unit. - View Dependent Claims (17, 18, 19)
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Specification