(19)
(11) EP 1 922 816 A2

(12)

(88) Date of publication A3:
08.11.2007

(43) Date of publication:
21.05.2008 Bulletin 2008/21

(21) Application number: 06790540.6

(22) Date of filing: 14.08.2006
(51) International Patent Classification (IPC): 
H04B 1/10(2006.01)
H04Q 7/32(2006.01)
 H04B 1/16(2006.01)
(86) International application number:
PCT/CA2006/001322
(87) International publication number:
WO 2007/019679 (22.02.2007 Gazette 2007/08)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 15.08.2005 CA 2515932

(71) Applicant: Research In Motion Limited
Waterloo, Ontario N2L 3W8 (CA)

(72) Inventors:
  • WU, Huan
    Kanata, Ontario K2M 2W8 (CA)
  • SIMMONS, Sean
    Waterloo, Ontario N2T 1E7 (CA)
  • KEMENCZY, Zoltan
    Mississauga, Ontario L5L 2L8 (CA)

(74) Representative: Roberts, Gwilym Vaughan et al
Kilburn & Strode 20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) WIRELESS COMMUNICATIONS DEVICE INCLUDING A JOINT SPACE-TIME OPTIMUM FILTER (JSTOF) USING CHOLESKY AND EIGENVALUE DECOMPOSITIONS