Radio Frequency Communications for Unattended Ground Sensor and Munitions Systems
Small Business Information
315 S. Allen St., Suite 222, State College, PA, 16801
AbstractA comprehensive electromagnetic software suite is proposed for designing small, low-altitude VHF/UHF antennas for use in a network of unattended ground sensors. The software suite will use physics-based propagation models, including full wave FDTD, UTD, and Parabolic Equation methods to evaluate of the communication channel between the sensors and intelligent munitions. The proposed software tools will be the first of their kind that allow engineers to properly couple antenna designs to the local surrounding environment and propagation path. The propagation models will take into account hills, surface roughness, ground dielectric constants, foliage and building interactions. The software will be used to design small antennas for use on the sensor. At least one design will incorporate the use metamaterials to reduce the phyhsical size. All designs will optimize the launching of the surface wave along the ground-air interface. At least one design will also include a circularly polarized space wave for communication with airborne antennas.
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