(19)
(11) EP 0 985 304 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:
02.08.2006 Bulletin 2006/31

(45) Mention of the grant of the patent:
18.01.2006 Bulletin 2006/03

(21) Application number: 98919561.5

(22) Date of filing: 12.05.1998
(51) International Patent Classification (IPC): 
H04L 27/26(2006.01)
(86) International application number:
PCT/JP1998/002087
(87) International publication number:
WO 1998/054875 (03.12.1998 Gazette 1998/48)

(54)

CARRIER RECOVERY IN DAB RECIEVERS

TRÄGERRÜCKGEWINNUNG IN EMPFÄNGERN FÜR DIGITALEN TONRUNDFUNKSIGNALE

RECONSTITUTION DE LA PORTEUSE DANS DES RECEPTEURS DAB

(84) Designated Contracting States:
DE FR GB

(30) Priority: 28.05.1997 JP 15313697

(43) Date of publication of application:
15.03.2000 Bulletin 2000/11

(73) Proprietor: Kabushiki Kaisha Kenwood
Shibuya-ku, Tokyo 150-0043 (JP)

(72) Inventor:
  • KATSUMOTO, Hiroshi
    Tokyo 192-0045 (JP)

(74) Representative: Leinweber & Zimmermann 
Rosental 7
80331 München
80331 München (DE)


(56) References cited: : 
EP-A- 0 606 941
 GB-A- 2 313 527
   
  • LUISE, REGGIANNINI: "Carrier frequency acquisition and tracking for OFDM systems" IEEE TRANSACTIONS ON COMMUNICATIONS., vol. 44, no. 11, November 1996, pages 1590-1598, XP002081217 NEW YORK, US
  • KELLER, HANZO: "Orthogonal frequency division multiplex synchronisation techniques for wireless local area networks" IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 15 October 1996, pages 963-967, XP002063294 New York, US
  • LI ZHENHONG, MÄMMELÄ: "An all-digital frequency synchronization scheme for OFDM systems" 8TH IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 1 - 4 September 1997, pages 327-331, XP002081216 New York, US
   
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).