RF Solution to Narrow In-Band Interference in UHF SATCOM Channels

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00039-04-C-2125
Agency Tracking Number: N041-148-1633
Amount: $97,017.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: N04-148
Solicitation Number: 2004.1
Small Business Information
310 Terrace Ave., Cincinnati, OH, 45220
DUNS: 132595716
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Ben Maxson
 Project Manager
 (513) 281-2900
Business Contact
 Howard Fan
Title: President
Phone: (513) 281-2900
Email: hfan@girdsystems.com
Research Institution
UHF MILSATCOM channel availability is limited by sporadic narrowband interference. When frequency separation between the interferer and signal-of-interest is insufficient, use of conventional fixed-frequency filtering will result in unacceptable distortion to the signal-of-interest. In this Phase I project, GIRD Systems proposes novel algorithms and approaches for detection and excision of interference from an in-channel desired signal. The proposed algorithms will be analyzed and evaluated with respect to customer-identified typical channel conditions. The algorithms demonstrating the greatest interference mitigation potential will be identified and extended to the multi-interferer, multi-channel case. Finally, preliminary hardware design will be performed. In Phase II, GIRD Systems will develop and deliver to the Navy prototype interference excision hardware.

* Information listed above is at the time of submission. *

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