(19)
(11) EP 1 609 282 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:
12.08.2009 Bulletin 2009/33

(45) Mention of the grant of the patent:
13.05.2009 Bulletin 2009/20

(21) Application number: 03724938.0

(22) Date of filing: 28.03.2003
(51) International Patent Classification (IPC): 
H04L 27/26(2006.01)
 H04L 1/00(2006.01)
(86) International application number:
PCT/EP2003/003284
(87) International publication number:
WO 2004/086707 (07.10.2004 Gazette 2004/41)

(54)

FILTERING METHOD FOR TRANSMIT PROCESSING IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEX COMMUNICATION SYSTEMS AND RELATED FILTERING APPARATUS

FILTERVERFAHREN ZUR SENDEVERARBEITUNG IN ORTHOGONALEN FREQUENZTEILUNGS-MULTIPLEXKOMMUNIKATIONSSYSTEMEN UND ENTSPRECHENDE FILTERVORRICHTUNG

PROCEDE DE FILTRAGE POUR LE TRAITEMENT DE TRANSMISSION DANS DES SYSTEMES DE COMMUNICATION DE MULTIPLEXAGE PAR REPARTITION ORTHOGONALE DE LA FREQUENCE ET APPAREIL DE FILTRAGE ASSOCIE

(84) Designated Contracting States:
DE GB

(43) Date of publication of application:
28.12.2005 Bulletin 2005/52

(73) Proprietor: NTT DoCoMo, Inc.
Chiyoda-ku, Tokyo 100-6150 (JP)

(72) Inventor:
  • KUSUME, Katsutoshi
    80687 Munich (DE)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastraße 4
81925 München
81925 München (DE)


(56) References cited: : 
   
  • MERTINS A: "Design of redundant FIR precoders for arbitrary channel lengths based on an MMSE criterion" 2002 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS. CONFERENCE PROCEEDINGS. ICC 2002 (CAT. NO.02CH37333), PROCEEDINGS OF IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, NEW YORK, NY, USA, 28 APRIL-2 MAY 2002, pages 212-216 vol.1, XP002253958 2002, Piscataway, NJ, USA, IEEE, USA ISBN: 0-7803-7400-2
  • SZABO A ET AL: "Linearly prefiltered OFDM based on long-term properties of the channel covariance matrix" 2002 IEEE 56TH VEHICULAR TECHNOLOGY CONFERENCE PROCEEDINGS (CAT. NO.02CH37359), 2002 IEEE 56TH VEHICULAR TECHNOLOGY CONFERENCE PROCEEDINGS, VANCOUVER, BC, CANADA, 24-28 SEPT. 2002, pages 2066-2070 vol.4, XP002253959 2002, Piscataway, NJ, USA, IEEE, USA ISBN: 0-7803-7467-3
   
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).