New Approach to Wave Oriented Radio Propagation Modeling

Award Information
Agency:
Department of Defense
Branch
Defense Advanced Research Projects Agency
Amount:
$98,991.00
Award Year:
2001
Program:
SBIR
Phase:
Phase I
Contract:
DAAH0102CR055
Award Id:
53275
Agency Tracking Number:
01SB2-0019
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
3055 Plymouth Road, Suite 205, Ann Arbor, MI, 48105
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
836493759
Principal Investigator:
George Liang
Senior Research Engineer
(734) 747-6646
george@emagtechnologies.com
Business Contact:
Kazem Sabet
President
(734) 747-6646
ksabet@emagtechnologies.com
Research Institution:
n/a
Abstract
Wireless communication systems are normally designed and optimized for line-of-sight propagation. In reality, however, the propagation scenario may be very complex involving a multitude of terrain features and obstacles, which generate multipathreflection, diffraction and scattering. An accurate evaluation of the communication channel performance would not be possible without a detailed knowledge of the physical features of the propagation medium. This Small Business Innovation Research projectproposes a physics-based approach to channel propagation modeling. The input to the model is a database that includes topographical information, terrain features, natural and man-made scatterers, etc. A user friendly software environment will be developedto interface the physical database with an advanced ray tracing code enhanced with a comprehensive library of full-wave scattering and diffraction models. Special emphasis will be placed on polarization characteristics, fading statistics and spectral andtemporal decorrelation of the channel. The proposed software package will be used for evaluation of channel performance and reliability in military mobile distributed networks as well as palnning of commercial communciation system.

* information listed above is at the time of submission.

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