Bi-directional magnetic permeability enhanced metamaterial (MPEM) substrate for antenna miniaturization
First Claim
1. A bi-directional antenna comprising a plurality of unit cells stacked in two perpendicular planes to form a cube shaped unit cell, each unit cell comprising a magnetic permeability enhanced metamaterial formed into an inductive loop in a substrate and each unit cell forming a face of the cube shaped unit cell whereby inductive loops of respective unit cells are situated on four perpendicular faces of said cube shaped unit cell formed by said two perpendicular planes.
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Abstract
A bi-directional antenna includes a plurality of unit cells stacked in two perpendicular planes (Y-X and Z-X planes) to form cube shaped unit cells whereby inductive loops are placed on four faces corresponding to the Y-X and Z-X planes. Each unit cell includes a magnetic permeability enhanced metamaterial. The resulting antenna has the ability to couple magnetic fields oriented in both the X and Y directions with increased permeabilities and can be used to realize a variety of different antenna architectures that do not have their magnetic field confined in a single direction.
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6 Claims
- 1. A bi-directional antenna comprising a plurality of unit cells stacked in two perpendicular planes to form a cube shaped unit cell, each unit cell comprising a magnetic permeability enhanced metamaterial formed into an inductive loop in a substrate and each unit cell forming a face of the cube shaped unit cell whereby inductive loops of respective unit cells are situated on four perpendicular faces of said cube shaped unit cell formed by said two perpendicular planes.
Specification