System and method for position or range estimation, tracking...

Details System and method for position or range estimation, tracking... System and method for position or range estimation, tracking...

2006-01-25

2009-08-25

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S753000, C343S754000, C343S755000, C342S045000

Reexamination Certificate

active

07580004

ABSTRACT:
An antenna mountable on a weapons platform, a communication system and methods of estimating position or range and conducting directional communication. In one embodiment, the antenna includes: (1) a Luneberg lens portion having a substantially planar surface and a convex surface, (2) a radio frequency (RF) reflective layer located proximate the substantially planar surface and (3) a feed horn array located proximate the convex surface and configured to receive RF signals through the Luneberg lens portion and reflected off the RF reflective layer.

REFERENCES:
patent: 5821908 (1998-10-01), Sreenivas
patent: 6424319 (2002-07-01), Ebling et al.
patent: 6426814 (2002-07-01), Berger et al.
patent: 2004/0263418 (2004-12-01), Kuroda et al.
U.S. Appl. No. 10/972,958, filed on Oct. 25, 2005 to Hayles, et al., entitled “System and Method for Highly Directional Electronic Identification and Communication and Combat Identification System Employing the Same”.

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