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Theses/Dissertations

Air Force Institute of Technology

Systems and Communications

1997

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Full-Text Articles in Engineering

User Location Determination Strategy In A Low Earth Orbit Satellite Network, Jaehee Lee Dec 1997

User Location Determination Strategy In A Low Earth Orbit Satellite Network, Jaehee Lee

Theses and Dissertations

Recently, many Low Earth Orbit (LEO) satellite systems have been proposed for the purpose of global communication and one of those systems is planned to start the commercial service in 1998. These LEO satellite systems are providing most of current communication services (voice, fax, data, paging, and even real time video service) without any limitation on place and time. However, little is published about their detail system methodology on user tracking and managing schemes. This thesis presents two user location tracking algorithms in a LEO environment. One (Gateway Approach) is the most likely approach under present system proposals, while the …