Electrically small ultra-wideband antenna for mobile handsets and computer networks
AssigneeThe Secretary of State for Defence
InventorsNathan Clow, Ivor Leslie Morrow
Life of this patent
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Abstract
An antenna arrangement (1020) for use in instantaneous ultra-wideband applications, the arrangement using a coaxial to coaxial aperture connection which increases matching bandwidth with reduced lossy effect. Beneficially the antenna arrangement uses a top loaded disk (27) to increase its capacitive effect. The arrangement is physically small making it useful for use within mobile handsets and computer networks.
Claims15
An antenna arrangement for use in an UWB network, the antenna arrangement comprising a ground plane, a coaxial feed and an antenna element, wherein the antenna element comprises:
- a cylindrical conductive case isolated from the ground plane by a first dielectric material;
- a second dielectric material contained within the cylindrical conductive case;
- a conductive core extending from the coaxial feed through the first dielectric material and into the second dielectric material;
- and
- a top loaded structure electrically connected to the cylindrical conductive case and electrically insulated from the conductive core,
- the antenna element being configured as a shorted coaxial section.
(canceled)
Dependencies are inferred from the claim text.