(19)
(11) EP 1 058 855 A1

(12)

(43) Date of publication:
13.12.2000 Bulletin 2000/50

(21) Application number: 99956612.8

(22) Date of filing: 19.10.1999
(51) International Patent Classification (IPC)7G01S 3/02
(86) International application number:
PCT/US9924/493
(87) International publication number:
WO 0034/799 (15.06.2000 Gazette 2000/24)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 04.12.1998 US 205557
15.01.1999 US 231256
24.03.1999 US 275655

(71) Applicant: U.S. Wireless Corporation
San Ramon, CA 95483 (US)

(72) Inventors:
  • HILSENRATH, Oliver
    Alamo, CA 94507 (US)
  • WAX, Mati
    San Ramon, CA 94583 (US)
  • JAYARAMAN, Sriram
    San Bruno, CA 94066 (US)
  • BAR, Abraham
    Palo Alto, CA 94303 (US)
  • MALKIN, Mathan
    San Ramon, CA 94583 (US)
  • RAJAPAKSE, Ravi
    San Francisco, CA 94109 (US)
  • RADIONOV, Vladimir
    San Ramon, CA 94583 (US)
  • MENG, Yan
    San Ramon, CA 94583 (US)

(74) Representative: Freeman, Jacqueline Carol 
W.P. THOMPSON & CO.Celcon House289-293 High Holborn
London WC1V 7HU
London WC1V 7HU (GB)

   


(54) WIRELESS LOCATION DETERMINATION USING SPATIAL SIGNATURE INFORMATION