Hybrid guided surface wave communication
First Claim
Patent Images
1. A hybrid guided surface waveguide probe node, comprising:
- a guided surface waveguide probe including a charge terminal elevated over a terrestrial medium configured to generate at least one resultant field that synthesizes a guided surface wave having a wave front incident at a complex Brewster angle of incidence (θ
i,B) of the terrestrial medium;
a modulator coupled to the guided surface waveguide probe to modulate, according to a first message, the guided surface wave so as to embed a first message in the guided surface wave; and
a communications receiver configured to receive a second message from a guided surface wave receive node that receives the first message, the second message communicated via a different messaging mechanism from the first message.
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Abstract
Disclosed is hybrid communication in which a first message from a guided surface wave probe node is embedded in a guided surface wave, and a second message from a guided surface wave receive node uses a different messaging mechanism.
204 Citations
26 Claims
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1. A hybrid guided surface waveguide probe node, comprising:
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a guided surface waveguide probe including a charge terminal elevated over a terrestrial medium configured to generate at least one resultant field that synthesizes a guided surface wave having a wave front incident at a complex Brewster angle of incidence (θ
i,B) of the terrestrial medium;a modulator coupled to the guided surface waveguide probe to modulate, according to a first message, the guided surface wave so as to embed a first message in the guided surface wave; and a communications receiver configured to receive a second message from a guided surface wave receive node that receives the first message, the second message communicated via a different messaging mechanism from the first message. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A hybrid guided surface wave receive node, comprising:
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a guided surface wave receive structure configured to obtain electrical energy from a guided surface wave traveling along a terrestrial medium, a first message embedded in the guided surface wave by a guided surface waveguide probe node that generates the guided surface wave; an electrical load coupled to the guided surface wave receive structure, the electrical load being experienced as a load at an excitation source coupled to the guided surface waveguide probe; a demodulator coupled to the guided surface wave receive structure configured to extract the first message from the guided surface wave; and a communications transmitter configured to send a second message to the guided surface waveguide probe node via a different messaging mechanism from the first message. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for hybrid two-way communication using a guided surface wave, comprising:
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receiving, using a guided surface receive structure at a guided surface wave receive node, electrical energy in the form of the guided surface wave launched from a guided surface waveguide probe at a probe node, the electrical energy modulated according to a message embedded in the guided surface wave by the guided surface waveguide probe; supplying the electrical energy to an electrical load coupled to the guided surface wave receive structure; extracting the embedded message from the modulated electrical energy; and transmitting a second message from the receive node to the probe node using a different messaging mechanism from the embedded message. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A method for hybrid two-way communication using a guided surface wave, comprising:
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launching, from a guided surface waveguide probe at a probe node, a guided surface wave including an embedded message, the guided surface wave received using a guided surface receive structure at a receive node spaced apart from the probe node, wherein electrical energy is obtained at the receive node from the guided surface wave and supplied to an electrical load at the receive node, the electrical energy modulated according to the embedded message; experiencing, as an electrical load at an excitation source coupled to the guided surface waveguide probe at the probe node, the electrical energy obtained at the receive node; and receiving, at the probe node, a second message transmitted from the receive node using a different messaging mechanism from the embedded message. - View Dependent Claims (24, 25, 26)
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Specification