Multiplatform system and method for ranging correction using spread spectrum ranging waveforms over a netted data link
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United States of America Patent
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Oct 16, 2012
Grant Date -
Sep 15, 2011
app pub date -
Nov 3, 2008
filing date -
Nov 3, 2008
priority date (Note) -
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Abstract
Embodiments of a multiplatform system and method for ranging correction use spread-spectrum ranging waveforms over a netted data link. Each node may have a trajectory toward a target and may have a navigational error with respect to the trajectory. The nodes may transmit coded waveforms at one or more scheduled times for receipt by one or more of the other nodes during unused time slots on the netted data link. The nodes may correlate coded waveforms received from the other nodes to estimate a range to at least some of the other nodes. Each node may reset its navigational error and revise its trajectory based on the range estimates to the other nodes to avoid a possible collision with one or more of the other nodes.
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