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Tactical Communications

The tactical or battlefield communications market requires transportable systems that can be set up quickly in the field, under difficult conditions, to establish communication links. Existing antenna technologies have issues:

  • Omni-directional antennas provide low gain, are easy to intercept and offer no spatial diversity.
  • High-gain antennas that use mechanical positioners/gimbals are typically large, heavy and slow to steer.
  • Passive arrays (PESA) are expensive and have high losses and low efficiency.
  • Active arrays (AESA) are power-hungry and expensive.

Compared to omni-directional antennas, Holographic Beam Forming (HBF) antennas provide narrow beam patterns to avoid interception while supporting spatial diversity.  They offer the beamsteering and beam forming performance of phased array antennas – PESA and AESA – without the high C-SWaP (cost, size, weight and power consumption).  Better still, HBF antennas can conform to curved surfaces like the underside of a unmanned aerial vehicle (UAV).  Low size, weight, and power — and aerodynamic conformance — allow UAVs to fly farther and faster, devoting less payload to typical communications gear and enabling wholly new mission profiles.

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