Miniature GPS Antenna Arrays Using Novel Materials

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$749,882.00
Award Year:
2009
Program:
SBIR
Phase:
Phase II
Contract:
FA8650-09-C-1608
Award Id:
86652
Agency Tracking Number:
F073-072-1108
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
APPLIED EM, INC. (Currently Applied EM Inc.)
144 Research Drive, Hampton, VA, 23666
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
782587406
Principal Investigator:
C.J.Reddy
Presdient
(757) 224-2035
cjreddy@appliedem.com
Business Contact:
C.J.Reddy
President
(757) 224-2035
cjreddy@appliedem.com
Research Institution:
n/a
Abstract
Ubiquitous needs for Global Positioning System (GPS) systems implies a requirement for smaller GPS antennas and arrays that can be adapted in all sorts of military and commercial platforms from missiles to small UAVs and even for hand-held applications. Current anti-Jam GPS antennas are approximately 14" in diameter making them too large for several platforms of interest such as unmanned aerial vehicles, missiles and fighter aircrafts. Recent designs are based on 7" apertures, but smaller arrays are still needed. Applied EM is proposing a miniature controlled radiation pattern antenna array (CRPA) occupying an aperture of only 3.5" in diameter. A 4.5" aperture will be also considered. The feasibility of the 3.5" and 4.5" apertures using smaller elements was already evaluated under the Phase I effort. During the proposed Phase II effort, Applied EM will take advantage of the novel GPS antenna (1" in diameter) developed under Phase I to realize a small CRPA (S-CRPA). A new feeding structure is proposed designed to minimize inter-element coupling as well as carrier phase and code phase biases. Further, a new reference mode is proposed delivering much greater gain and survivability. BENEFIT: Applied EM will capitalize on the military demand for small anti-jamming antennas for helicopters, UAVs, etc. GPS is becoming increasingly popular in automobiles and for other personal uses. A miniature GPS antenna system with anti-jamming capability would be of immense commercial use for integrating into personal vehicles, hand-hand held devices, wireless systems, etc.

* information listed above is at the time of submission.

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