Aircraft derived spread spectrum landing system
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United States of America Patent
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Sep 22, 2020
Grant Date -
Aug 1, 2019
app pub date -
Jan 29, 2018
filing date -
Jan 29, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a spread spectrum landing system with a low probability of intercept altimeter that is in communication with a plurality of asymmetrically placed antennas or transponders near a landing area. The low probability of intercept altimeter acts as a secondary system in the event that a primary landing system for the mobile platform is denied or otherwise inoperable. The low probability of intercept altimeter cycles through unique pseudo noise (PN) codes to determine a line of sight relative to each antenna or transponder. A single algorithm or process determines and ranges the platform relative to the transponders to effectuate the landing of the platform.
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