Method and apparatus for identifying, locating, tracking, or com

Details Method and apparatus for identifying, locating, tracking, or com Method and apparatus for identifying, locating, tracking, or com

1997-05-28

1999-07-06

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Aircraft landing system

342 36, 342 40, 342 57, 342140, 342357, 342463, 375356, G01S 1387, G01S 1372, G01S 1306

Patent

active

059202785

ABSTRACT:
A broadband transmitter element, located at a remote object, transmits a broadband signal at a prescribed transmission time. A broadband receiver element, located at a base platform spaced from the remote object, receives electromagnetic radiation during a reception search window. The broadband receiver element stores information characterizing the broadband signal. A synchronizer synchronizes the broadband transmitter element with the broadband receiver element for timing the transmission and reception. A processing device derives an estimated time of flight for the broadband signal to travel from the remote object to the base platform, and a correlation detector, located at the base platform, identifies the remote object and the arrival time of the broadband signal by correlating the stored information with signals received during the reception search window.

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