(19)
(11) EP 1 895 736 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
18.07.2012 Bulletin 2012/29

(45) Mention of the grant of the patent:
10.08.2011 Bulletin 2011/32

(21) Application number: 07115285.4

(22) Date of filing: 30.08.2007
(51) International Patent Classification (IPC): 
H04L 27/36(2006.01)

(54)

A method and a device for the detection and estimation of quadrature defects

Verfahren und Vorrichtung zur Erkennung und Schätzung von Quadraturfehlern

Procédé et dispositif pour la détection et l'estimation de défauts de quadrature

(84) Designated Contracting States:
AT DE GB IT

(30) Priority: 30.08.2006 SE 0601794

(43) Date of publication of application:
05.03.2008 Bulletin 2008/10

(73) Proprietor: Nera Networks AS
5020 Bergen (NO)

(72) Inventors:
  • Lund, Sigurd Andre
    NO-5259, Hjellestad (NO)
  • Vahlin, Anders
    NO-5222, Nesttun (NO)

(74) Representative: Bergquist, Kjell Gunnar 
Albihns.Zacco Torggatan 8 Box 142
401 22 Göteborg
401 22 Göteborg (SE)


(56) References cited: : 
EP-A- 1 120 944
 EP-A- 1 511 264
   
  • LANSCHUTZER C ET AL INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "Integrated adaptive LO leakage cancellation for W-CDMA direct upconversion transmitters" IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, 8 June 2003 (2003-06-08), - 10 June 2003 (2003-06-10) pages 19-22, XP010646586 NEW YORK, US ISBN: 0-7803-7694-3
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).