Communications: directive radio wave systems and devices (e.g. – Directive – Utilizing correlation techniques
Reexamination Certificate
2007-08-07
2007-08-07
Phan, Dao L. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Utilizing correlation techniques
C342S442000
Reexamination Certificate
active
10494420
ABSTRACT:
Method for the elimination in a receiver of an incident signal resulting from multipaths, characterized in that an array of 2n auxiliary sensors (2, 3, Ca to Cf), with n≧3, is constructed around an antenna main sensor (1), these auxiliary sensors all being equidistant from the main sensor and regularly spaced apart, and, by successively taking the pairs of auxiliary sensors symmetric with respect to the main sensor to determine the direction of arrival of the signal resulting from the multipaths, the weighted combination of the signals arising from the n sensors is performed, the direction of the transmitter being known (ejφi).
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Zoltowski M D et al: “Advanced adaptive null steering concepts for GPS” Military Communications Conference , 1995. Nov. 5, 1995 pp. 1214-1218.
Lowe Hauptman & Berner LLP
Phan Dao L.
Thales
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