GUIDED-WAVE TRANSMISSION DEVICE WITH DIVERSITY AND METHODS FOR USE THEREWITH
First Claim
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1. A transmission device comprising:
- a first coupler oriented at an azimuthal angle to a transmission medium, wherein the first coupler is configured to form a first electromagnetic wave that is guided along an outer surface of the transmission medium via at least one guided-wave mode, wherein the first electromagnetic wave has an envelope that varies as a function of angular deviation from the first azimuthal angle, wherein the function of angular deviation has a local minimum at a first angular deviation from the first azimuthal angle, and wherein a second electromagnetic wave propagates along the outer surface of the transmission medium in a direction opposite to the first electromagnetic wave; and
a second coupler that receives the second electromagnetic wave from the transmission medium for transmission to a receiver, wherein the second coupler is oriented at the first angular deviation from the first azimuthal angle.
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Abstract
Aspects of the subject disclosure may include, for example, a transmission device that includes a first coupler that guides a first electromagnetic wave to a first junction to form a second electromagnetic wave that is guided to propagate along the outer surface of the transmission medium via one or more guided-wave modes. These mode(s) have an envelope that varies as a function of angular deviation and/or longitudinal displacement. Other embodiments are disclosed.
56 Citations
20 Claims
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1. A transmission device comprising:
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a first coupler oriented at an azimuthal angle to a transmission medium, wherein the first coupler is configured to form a first electromagnetic wave that is guided along an outer surface of the transmission medium via at least one guided-wave mode, wherein the first electromagnetic wave has an envelope that varies as a function of angular deviation from the first azimuthal angle, wherein the function of angular deviation has a local minimum at a first angular deviation from the first azimuthal angle, and wherein a second electromagnetic wave propagates along the outer surface of the transmission medium in a direction opposite to the first electromagnetic wave; and a second coupler that receives the second electromagnetic wave from the transmission medium for transmission to a receiver, wherein the second coupler is oriented at the first angular deviation from the first azimuthal angle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A transmission device comprising:
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means for generating a first electromagnetic wave conveying first data; and first means for guiding the first electromagnetic wave to a first junction for coupling the first electromagnetic wave to a transmission medium to form a second electromagnetic wave that propagates along an outer surface of the transmission medium via at least one guided-wave mode, wherein the second electromagnetic wave has an envelope that varies as a function of longitudinal displacement from the first junction, wherein the function of longitudinal displacement has a local minimum at a first longitudinal displacement from the first junction, and wherein a third electromagnetic wave propagates along the outer surface of the transmission medium in a direction opposite to the first electromagnetic wave; and second means for guiding the third electromagnetic wave from a second junction coupling the third electromagnetic wave from the transmission medium at the first longitudinal displacement from the first junction to form a fourth electromagnetic wave that is guided to a first receiver. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method comprising:
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generating a first electromagnetic wave on a transmission medium that is guided to propagate along an outer surface of the transmission medium via at least one guided-wave mode, wherein the first electromagnetic wave has an envelope that varies as a first function of angular deviation from an azimuthal angle and wherein the first function of angular deviation has a local minimum at an angular deviation from the azimuthal angle; and receiving a second electromagnetic wave that propagates along the outer surface of the transmission medium in a direction opposite to the first electromagnetic wave, wherein the second electromagnetic wave has an envelope that varies as a second function of angular deviation from the azimuthal angle and wherein the second function of angular deviation has a local maximum at the angular deviation from the azimuthal angle. - View Dependent Claims (19, 20)
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Specification