Millimeter-wave system with beam direction by switching sources
First Claim
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1. A method for controlling a direction of a millimeter-wave beam in a point-to-point millimeter-wave communication system, comprising:
- using a first millimeter-wave radiating source, located at a first location on a focal surface of a millimeter-wave focusing element, to transmit a millimeter-wave beam via said millimeter-wave focusing element, wherein said millimeter-wave beam having a first direction consequent upon the first location;
determining a desired direction for the millimeter-wave beam, wherein said desired direction is expected to improve performance of a point-to-point millimeter-wave communication system employing the millimeter-wave beam;
identifying, out of a plurality of millimeter-wave radiating sources, a second millimeter-wave radiating source located at a second location on the focal surface of the millimeter-wave focusing element, which when in use will result in a second direction for the millimeter-wave beam that is closest to the desired direction for the millimeter-wave beam; and
using the second millimeter-wave radiating source to transmit the millimeter-wave beam having the second direction consequent upon the second location, thereby improving performance of the point-to-point millimeter-wave communication system;
wherein each of said first and second millimeter-wave radiating sources comprises a radio-frequency-integrated-circuit which is mounted on a printed-circuit-board that is located substantially on said focal surface of said millimeter-wave focusing element or slightly behind said focal surface of said millimeter-wave focusing element.
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Abstract
Various embodiments of a millimeter-wave wireless point-to-point or point-to-multipoint communication system which enables determining preferred directions of transmissions, and transmitting in such preferred directions without routing radio-frequency signals. The system comprises a millimeter-wave focusing element, multiple millimeter-wave antennas, and multiple radio-frequency-integrated circuits (“RFICs”). In various embodiments, preferred directions are determined, and millimeter-wave beams are transmitted in the preferred directions.
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Citations
19 Claims
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1. A method for controlling a direction of a millimeter-wave beam in a point-to-point millimeter-wave communication system, comprising:
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using a first millimeter-wave radiating source, located at a first location on a focal surface of a millimeter-wave focusing element, to transmit a millimeter-wave beam via said millimeter-wave focusing element, wherein said millimeter-wave beam having a first direction consequent upon the first location; determining a desired direction for the millimeter-wave beam, wherein said desired direction is expected to improve performance of a point-to-point millimeter-wave communication system employing the millimeter-wave beam; identifying, out of a plurality of millimeter-wave radiating sources, a second millimeter-wave radiating source located at a second location on the focal surface of the millimeter-wave focusing element, which when in use will result in a second direction for the millimeter-wave beam that is closest to the desired direction for the millimeter-wave beam; and using the second millimeter-wave radiating source to transmit the millimeter-wave beam having the second direction consequent upon the second location, thereby improving performance of the point-to-point millimeter-wave communication system; wherein each of said first and second millimeter-wave radiating sources comprises a radio-frequency-integrated-circuit which is mounted on a printed-circuit-board that is located substantially on said focal surface of said millimeter-wave focusing element or slightly behind said focal surface of said millimeter-wave focusing element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 15, 16, 17, 18, 19)
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9. A method for controlling a direction of a millimeter-wave beam in a point-to-point millimeter-wave communication system, comprising:
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using a first millimeter-wave radiating source, located at a first location on a focal surface of a millimeter-wave focusing element, to transmit a millimeter-wave beam via said millimeter-wave focusing element, wherein said millimeter-wave beam having a first direction consequent upon the first location; determining a desired direction for the millimeter-wave beam, wherein said desired direction is expected to improve performance of a point-to-point millimeter-wave communication system employing the millimeter-wave beam; identifying, out of a plurality of millimeter-wave radiating sources, a second millimeter-wave radiating source located at a second location on the focal surface of the millimeter-wave focusing element, which when in use will result in a second direction for the millimeter-wave beam that is closest to the desired direction for the millimeter-wave beam; and using the second millimeter-wave radiating source to transmit the millimeter-wave beam having the second direction consequent upon the second location, thereby improving performance of the point-to-point millimeter-wave communication system; wherein each of said first and second millimeter-wave radiating sources comprises a radio-frequency-integrated-circuit operative to convert a base-band signal or an intermediate-frequency signal into a millimeter-wave signal operative to generate said millimeter-wave beam. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification