Directional coupling device and methods for use therewith
First Claim
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1. An antenna system comprising:
- a first antenna that radiates a first radio frequency (RF) signal conveying data; and
a second antenna that radiates a second RF signal conveying the data;
wherein the first antenna and the second antenna are configured such that a combined RF signal, that comprises the first RF signal and second RF signal, is guided by a conductorless transmission medium to propagate as a guided electromagnetic wave in substantially a single longitudinal direction along the conductorless transmission medium; and
wherein the first RF signal and the second RF signal add constructively in the single longitudinal direction and cancel, at least in part, in a direction opposite to the single longitudinal direction.
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Abstract
Aspects of the subject disclosure may include, for example, a coupling device including a first antenna that radiates a first RF signal conveying first data; and a second antenna that radiates a second RF signal conveying the first data from the at least one transmitting device. The first RF signal and second RF signal form a combined RF signal that is bound by an outer surface of a transmission medium to propagate as a guided electromagnetic wave substantially in a single longitudinal direction along the transmission medium. Other embodiments are disclosed.
2612 Citations
20 Claims
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1. An antenna system comprising:
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a first antenna that radiates a first radio frequency (RF) signal conveying data; and a second antenna that radiates a second RF signal conveying the data; wherein the first antenna and the second antenna are configured such that a combined RF signal, that comprises the first RF signal and second RF signal, is guided by a conductorless transmission medium to propagate as a guided electromagnetic wave in substantially a single longitudinal direction along the conductorless transmission medium; and wherein the first RF signal and the second RF signal add constructively in the single longitudinal direction and cancel, at least in part, in a direction opposite to the single longitudinal direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A transmission device comprising:
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a first antenna that radiates a first radio frequency (RF) signal conveying data; and a second antenna that radiates a second RF signal conveying the data; wherein a combined RF signal, comprising the first RF signal and the second RF signal, is bound to a transmission medium to propagate as a guided electromagnetic wave substantially in a first selected one of a plurality of longitudinal directions along the transmission medium; and wherein the first antenna and the second antenna are spaced a distance apart and wherein the first RF signal and the second RF signal have a common wavelength and a first phase difference. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method comprising:
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generating a first radio frequency (RF) signal; generating a second RF signal; and radiating, via an antenna array, the first RF signal and the second RF signal as a combined RF signal, wherein the combined RF signal is bound to a dielectric transmission medium to propagate as a guided electromagnetic wave in substantially a single longitudinal direction and wherein the first RF signal and the second RF signal add constructively in the single longitudinal direction and cancel, at least in part, in a direction opposite to the single longitudinal direction. - View Dependent Claims (18, 19, 20)
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Specification