Generation of Multiple-Input Multiple-Output Radar Waveforms

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-08-M-1358
Agency Tracking Number: F073-063-0825
Amount: $99,953.00
Phase: Phase I
Program: SBIR
Awards Year: 2008
Solicitation Year: 2007
Solicitation Topic Code: AF073-063
Solicitation Number: 2007.3
Small Business Information
101 Bleecker Street, Utica, NY, 13501
DUNS: 806603515
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Walter Szczepanski
 (315) 732-0101
Business Contact
 Walter Szczepanski
Title: President
Phone: (315) 732-0101
Research Institution
Helios Remote Sensing Systems, Inc. proposes to identify and develop techniques to produce a high number of orthogonal waveforms with optimal rejection for use in waveform diverse MIMO Over-The-Horizon radar applications. We will investigate issues pertaining to simultaneously generating and coherently processing a large number of transmitted and received waveforms each of 25 kHz bandwidth and all at a carrier frequency of 5 MHz. Issues to be considered include ambiguity function and cross ambiguity function performance including autocorrelation sidelobe levels and waveform cross correlation, matched filters’ signal rejection properties, mutual coherent interference, atmospheric and phenomenological degradation impact, and output signal-to-interference-plus-noise ratio. Advanced orthogonal waveforms and adaptive mutual coherent interference rejection, compatible with CW and pulsed MIMO OTH radar architectures, will be researched, designed and validated using computer simulations. Of particular interest are telecommunications waveforms, nested Costas codes and noise-like waveforms which possess spatial, temporal, and frequency diversity. Also, we believe that severe mutual coherent interference and phenomenological degradation effects (atmospheric, multipath, etc.) could significantly degrade performance of “fragile” orthogonal waveforms. Therefore, an integral part of the proposed waveform architecture design is adaptive mutual coherent interference rejection processing to mitigate these degrading effects.

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

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