Data processing: vehicles – navigation – and relative location – Relative location
Reexamination Certificate
2004-05-19
2008-08-26
Tran, Dalena (Department: 3664)
Data processing: vehicles, navigation, and relative location
Relative location
C244S07600R
Reexamination Certificate
active
07418343
ABSTRACT:
A follower aircraft is guided to a lead aircraft using a datalink that determines range between the two. The lead aircraft has an antenna array and processing system for determining azimuth/elevation of the follower aircraft. The lead aircraft transmits a ranging message to the follower aircraft and stores a lead aircraft time of transmit (TOT) time. The ranging message is received at the follower aircraft and a follower aircraft time of reception (TOR) time is stored. A second ranging message is transmitted from the follower aircraft to the lead aircraft and a follower aircraft TOT time is stored. The second ranging message is received at the lead aircraft and a lead aircraft TOR is stored. A message is sent from the follower aircraft when follower aircraft TOT and TOR. The range and time offset is determined by the lead aircraft using follower aircraft TOT/TOR and stored lead aircraft TOT/TOR.
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Frank Robert J.
Haendel Richard S.
McGraw Gary A.
Peterson Kenneth M.
Zogg Scott J. F.
Jensen Nathan O.
Rockwell Collins, Inc.
Tran Dalena
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