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SBIR/STTR

Efficient Wearable Antennas for Astronaut EVA Communications, Phase I

Completed Technology Project

Project Introduction

Efficient Wearable Antennas for Astronaut EVA Communications, Phase I
In response to NASA SBIR Subtopic O1.02 (Antenna Technology), Pharad proposes to create a new class of highly efficient body wearable antennas suitable for astronaut Extravehicular Activity RF communications. The Phase I versions of the antennas will be developed on low loss, flexible material that can be readily incorporated on the surface of, or integrated within, an astronaut's Extravehicular Mobility Unit (EMU) spacesuit. We will leverage our extensive experience in developing electrically small, flexible, wearable, radiators to create unobtrusive antennas that are compatible with the UHF frequency band for NASA lunar or Mars exploration missions. The key innovations of our proposed research effort are the development of several new technologies: small radiator technology based on slow-wave engineering principles; efficient, small Electromagnetic Bandgap structures; and the integration of these technologies with diversity techniques to create an efficient body wearable antenna platform suitable for EMU integration. Our new technology will provide an unobtrusive, high performance body wearable radiating platform that will facilitate the next generation of astronaut RF communication systems. Throughout this effort rigorous, full-wave electromagnetic simulation tools will be used to predict the performance of the new concepts and the resulting antennas will be fabricated and tested in our measurement facilities. More »

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