System and method for highly directional electronic identification and communication and combat identification system employing the same
First Claim
Patent Images
1. An antenna for directional electronic communication, comprising:
- a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof;
a Luneberg lens located within said conductive shield; and
a feed horn located proximate a portion of said Luneberg lens that is distal from said opening.
1 Assignment
0 Petitions
Accused Products
Abstract
An antenna for directional electronic communication, a directional communication system, a method of conducting directional communication, a combat identification system and a method of identifying friendly forces. In one embodiment, the antenna includes: (1) a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, (2) a Luneberg lens located within the conductive shield and (3) a feed horn located proximate a portion of the Luneberg lens that is distal from the opening.
-
Citations
61 Claims
-
1. An antenna for directional electronic communication, comprising:
-
a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof; a Luneberg lens located within said conductive shield; and a feed horn located proximate a portion of said Luneberg lens that is distal from said opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A directional communication system, comprising:
-
a base station having an antenna including; a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, a Luneberg lens located within said conductive shield, and a feed horn located proximate a portion of said Luneberg lens that is distal from said opening; and a plurality of transceivers configured to receive signals from said antenna based on a direction relative thereto. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A method of conducting directional communication, comprising:
-
transmitting outbound signals with a base station having an antenna including; a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, a Luneberg lens located within said conductive shield, and a feed horn located proximate a portion of said Luneberg lens that is distal from said opening; and receiving inbound signals from at least one of a plurality of transceivers. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
-
-
38. A combat identification system, comprising:
-
a base station configured to transmit a combat identification interrogation signal via an antenna including; a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, a Luneberg lens located within said conductive shield, and a feed horn located proximate a portion of said Luneberg lens that is distal from said opening; and a plurality of omnidirectional transceivers configured to receive said combat identification interrogation signal from said antenna and respond with a secure identification signal based on a direction relative to said antenna. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
-
-
50. A method of combat identification, comprising:
-
transmitting a combat identification interrogation signal from a base station via an antenna including; a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, a Luneberg lens located within said conductive shield, and a feed horn located proximate a portion of said Luneberg lens that is distal from said opening; and receiving a secure identification signal from at least one of a plurality of omnidirectional transceivers configured to receive said combat identification interrogation signal from said antenna and respond with said secure identification signal based on a direction relative to said antenna. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
-
Specification