Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Reexamination Certificate
2011-03-01
2011-03-01
Issing, Gregory C (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
C342S442000
Reexamination Certificate
active
07898479
ABSTRACT:
A method of integrating a detected signal along a given angle of arrival to improve detection. The method includes receiving the signal at a first antenna, receiving the signal at a second antenna, generating a phase difference trajectory based on the signal from the first antenna and the signal from the second antenna, and extracting a signal by integrating the phase difference trajectory over frequency for a plurality of angles of arrival.
REFERENCES:
patent: 3935574 (1976-01-01), Pentheroudakis
patent: 4794395 (1988-12-01), Cindrich et al.
patent: 5477230 (1995-12-01), Tsui
patent: 6313795 (2001-11-01), Herrmann et al.
patent: 7545325 (2009-06-01), Nelson et al.
Stevens James A.
VanLaningham Steven
Williamson Dana K.
Barbieri Daniel M.
Evans Matthew J.
Issing Gregory c
Rockwell Collins, Inc.
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