GEMS: a mobile wireless network for atmospheric sampling

Mark L. Adams; John Manobianco; James Bickford

doi:10.1117/12.602722

2 June 2005 GEMS: a mobile wireless network for atmospheric sampling

Mark L. Adams, John Manobianco, James Bickford

Proceedings Volume 5819, Digital Wireless Communications VII and Space Communication Technologies; (2005) https://doi.org/10.1117/12.602722
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

Large scale, mobile ad-hoc networks (MANET) are of great interest for a number of applications including battlesphere dominance and homeland security. ENSCO, Inc. is designing a system for profiling large regions of the atmosphere. The concept, known as Global Environmental Micro Sensors (GEMS), features an integrated system of airborne probes that will remain suspended in the atmosphere and take measurements of pressure, temperature, humidity, and wind velocity as they are carried by atmospheric currents. In addition to gathering meteorological data, the probes could be used for monitoring and predicting the dispersion of particulate emissions, organic and inorganic pollutants, ozone, carbon dioxide, and chemical, biological, or nuclear contaminants. Several functionality requirements are called into question when investigating a scalable mobile network protocol. For instance, periodic reporting may not always be required and can be abandoned in favor of event-driven reports. Similarly, network connectivity may not be required at all times. Instead of constant global connectivity, paths can be formed only when data packets are ready for transmission. For a successful GEMS system, the most important network function is to relay timely data to one or more receiving stations. We will present both the GEMS system and probe design as well as discuss the trade-offs associated with optimizing a three-dimensional, mobile, airborne network comprised of low-cost, low-power probes. We will also analyze and present measured data to determine the performance of a representative MANET under actual environmental conditions and various aspects of mobility.

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Mark L. Adams, John Manobianco, and James Bickford "GEMS: a mobile wireless network for atmospheric sampling", Proc. SPIE 5819, Digital Wireless Communications VII and Space Communication Technologies, (2 June 2005); https://doi.org/10.1117/12.602722

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KEYWORDS

Sensors

Satellites

Atmospheric sensing

Electronics

Environmental sensing

Global Positioning System

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