(19)
(11) EP 1 325 564 A2

(12)

(88) Date of publication A3:
03.10.2002

(43) Date of publication:
09.07.2003 Bulletin 2003/28

(21) Application number: 01966908.4

(22) Date of filing: 07.09.2001
(51) International Patent Classification (IPC)7: H04B 1/707
(86) International application number:
PCT/CA0101/247
(87) International publication number:
WO 0202/7956 (04.04.2002 Gazette 2002/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.09.2000 US 671254

(71) Applicant: Nortel Networks Limited
St. Laurent,Quebec H4S 2A9 (CA)

(72) Inventors:
  • CHEN, Xixian
    Nepean, Ontario K2H 8Y8 (CA)
  • JIN, Xin
    Nepean, Ontario K2E 6J6 (CA)
  • EL-TARHUNI, Mohamed
    Nepean, Ontario K2G 5L1 (CA)
  • FU, Runbo
    Kanata, Ontario K2M 2X3 (CA)
  • STANIER, Jeffrey
    Ottawa, Ontario K1Y 0M6 (CA)
  • MCGOWAN, Neil
    Stittsville, Ontario K2S 1G8 (CA)
  • ZHAO, Wen
    Kanata, Ontario K2M 2S8 (CA)

(74) Representative: Coyle, Philip Aidan et al
F. R. KELLY & CO.27 Clyde RoadBallsbridge
Dublin 4
Dublin 4 (IE)

   


(54) METHOD AND SYSTEM FOR ESTIMATING FREQUENCY OFFSET AND PHASE ROTATION CORRECTION IN CDMA SYSTEMS