Synthetic doppler system and method for locating cooperative...

Details Synthetic doppler system and method for locating cooperative... Synthetic doppler system and method for locating cooperative...

G - Physics

01

S

G01S 11/10 (2006.01) H04B 17/00 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2446842

A system and a method of locating a co-operative transceiver in an indoor location by setting up multiple transmitting beacons outside of a building in which the transceiver is located. Information at the transceiver, such as time-of arrival (TOA) or time-difference-of arrival (TDOA) of the first-to-arrive signals originating from the external beacons, is relayed back to a processing centre. The angle-of- transmission (AOT) is then determined for the first-to-arrive signals, the only ones with a potential for line-of-sight signals, as well as any arriving reflected signals. Synthetic Doppler, by revolving the transmitting antenna, is used to distinguish between a line-of- sight received signal in order to accurately determine the location of the transceiver.

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