Transparent Dielectric-Core Antenna
Computing & Wireless : Hardware
Available for licensing
- Andrea Alu, Ph.D. , Electrical and Computer Engineering
- Jason Soric , Electrical and Computer Engineering
- Scott Michaelis , CommScope, Inc.
- Igor Timofeev , CommScope, Inc.
- Nikolay Chistyakov , CommScope, Inc.
Conventional cylindrical dipole antennas are made from conductive rods of moderate thickness to meet bandwidth and radiation pattern requirements; however, these conductive cylindrical rods are also well-known to be significant scatterers. Such strong scattering characteristics are known nuisances that may strongly affect nearby antenna systems operating in the same or adjacent frequency bands in terms of matching and radiation characteristics.
Researchers at The University of Texas at Austin have suggested the use of dielectric-core antennas surrounded by patterned metallic meta-surfaces to realize radio-transparent antennas. The proposed mantle cover acts as a conductive medium for surface current to flow and efficiently radiate fields driven by a power source. It has been also been shown that the cloaking cover can strongly reduce the electrical presence of a dielectric-core dipole antenna to nearby systems, in principle, at any desired frequency band.
- Enables high-density communication platforms with low coupling and interference
- Radiation and frequency matching properties are not affected.
- Radio-transparent transmitting antennas reduce their electromagnetic presence.
- Realistic designs that are simple and easy to build
- Reduction in electrical presence of antennas may be applied to various antenna geometries.
- Elimination of interference of nearby antennas operating in similar frequency bands
Wireless communications have made antennas almost indispensable to sectors such as computing applications and residential/industrial/commercial premises and user devices. BCC Research reports that the global antenna market is anticipated to grow to $19.9 billion in 2019, with a compound annual growth rate (CAGR) of 5.7% from 2014 to 2019.
Proof of concept