Locator and method for a wireless communication system

Details Locator and method for a wireless communication system Locator and method for a wireless communication system

1995-07-27

1999-02-16

Le, Thanh Cong

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

4552771, 342359, 342372, H04B 702

Patent

active

058730486

ABSTRACT:
A passive locator and method for a wireless communication system. The locator (56) at base station (12) determines the position and trajectory of wireless terminal (22). The passive locator (56) adjusts azimuthal and elevational angles of a directional antenna (58) until a relative maximum power is detected in the signal transmitted from the wireless terminal (22). A processing circuit (60) determines the trajectory of the wireless terminal (22) by generating and analyzing data that represents the Doppler effect on the signal from the wireless terminal (22).

REFERENCES:
patent: 5087917 (1992-02-01), Fujisaka
patent: 5200755 (1993-04-01), Matsuda
patent: 5214390 (1993-05-01), Montreuil
patent: 5303240 (1994-04-01), Borras et al.
patent: 5425057 (1995-06-01), Paff
patent: 5446370 (1995-08-01), Voight
patent: 5557285 (1996-09-01), Bender et al.
patent: 5596329 (1997-01-01), Searle et al.

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