Method and apparatus for communication using variable permittivity polyrod antenna
First Claim
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1. A device, comprising:
- an antenna comprising a first region with a first dielectric constant and a second region with a second dielectric constant, wherein the second dielectric constant is different from the first dielectric constant; and
a waveguide coupled to the antenna, wherein the waveguide is configured to confine a portion of an electromagnetic wave within the antenna.
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Abstract
Aspects of the subject disclosure may include, a device with a polyrod antenna having a core, where the core has a first region with a first dielectric constant and a second region with a second dielectric constant, and where the second dielectric constant is higher than the first dielectric constant. The device can include a waveguide coupled with the core, where the waveguide is configured to confine an electromagnetic wave at least in part within the core in the first region. Other embodiments are disclosed.
317 Citations
20 Claims
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1. A device, comprising:
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an antenna comprising a first region with a first dielectric constant and a second region with a second dielectric constant, wherein the second dielectric constant is different from the first dielectric constant; and a waveguide coupled to the antenna, wherein the waveguide is configured to confine a portion of an electromagnetic wave within the antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method, comprising:
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generating, by a communication device, an electromagnetic wave according to an operating frequency; facilitating, by the communication device, propagation of the electromagnetic wave to a feedpoint of an antenna of the communication device; and transmitting, via the antenna, a wireless signal based on the electromagnetic wave, wherein the antenna converts the electromagnetic wave into the wireless signal, wherein the antenna has regions with a varying dielectric constant and a varying outer dimension in a direction towards a distal end of the antenna. - View Dependent Claims (13, 14)
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15. An antenna, comprising:
a first region and a second region, wherein the first region has a first permittivity and a first outer dimension, wherein the second region has a second permittivity and a second outer dimension, wherein the second permittivity is different from the first permittivity, wherein the first outer dimension is larger than the second outer dimension, wherein the antenna is coupled to a waveguide that facilitates launching an electromagnetic wave that propagates along the antenna without requiring an electrical return path. - View Dependent Claims (16, 17, 18, 19, 20)
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