Apparatus for multilateration and method

Details Apparatus for multilateration and method Apparatus for multilateration and method

2007-05-23

2010-11-09

Tarcza, Thomas H (Department: 3662)

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

Directive

Position indicating

C342S450000

Reexamination Certificate

active

07830308

ABSTRACT:
To cater for the positioning of an aircraft in a boundary zone between two adjacent multilateration systems, the controller (14) in one system receives Time Difference of Arrival data provided by the controller (15) in the second system. The controller (15) derives the TDoA data from time of arrival data provided by its receiver stations (9-13). By furnishing TDoA data the timings of the two systems do not need to be synchronised. The controller (14) uses the TDoA data and also time of arrival data from its local receiver stations (4-8) to perform a multilateration to determine the location of the aircraft (16).

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European Search Report dated Oct. 23, 2007 (Six (6) pages).

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