(19)
(11) EP 2 093 888 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:
09.03.2016 Bulletin 2016/10

(45) Mention of the grant of the patent:
27.01.2016 Bulletin 2016/04

(21) Application number: 09162284.5

(22) Date of filing: 14.11.2005
(51) International Patent Classification (IPC): 
H03M 13/39(2006.01)
 H03M 13/41(2006.01)

(54)

Soft-Output Viterbi Detection Using a Radix-n Trellis

Viterbi Detektion mit weichen Entscheidungen unter Verwendung eines Radix-n Trellis

Détection de Viterbi à sortie ponderée utilisant un treillis à base n

(84) Designated Contracting States:
DE GB

(30) Priority: 28.01.2005 US 45585

(43) Date of publication of application:
26.08.2009 Bulletin 2009/35

(62) Application number of the earlier application in accordance with Art. 76 EPC:
05257030.6 / 1686693

(73) Proprietor: Avago Technologies General IP (Singapore) Pte. Ltd.
Singapore 768923 (SG)

(72) Inventors:
  • Ashley, Jonathan James
    Los Gatos, CA 95031 (US)
  • Fitzpatrick, Kelly Knudson
    Sudbury, MA 01776 (US)
  • Haratsch, Erich Franz
    Bethlehem, PA 18017 (US)

(74) Representative: Dilg, Haeusler, Schindelmann Patentanwaltsgesellschaft mbH 
Leonrodstrasse 58
80636 München
80636 München (DE)


(56) References cited: : 
   
  • LUTHI E ET AL: "High rate soft output Viterbi decoder", PROC. EUROPEAN DESIGN AND TEST CONFERENCE 1996, 11 March 1996 (1996-03-11), pages 315-319, XP010159548, Paris, France ISBN: 0-8186-7423-7
  • YEO E ET AL: "A 500-MB/S SOFT-OUTPUT VITERBI DECODER", IEEE JOURNAL OF SOLID-STATE CIRCUITS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 38, no. 7, July 2003 (2003-07), pages 1234-1241, XP001169609, ISSN: 0018-9200
  • JOERESSEN O J ET AL: "HIGH-SPEED VLSI ARCHITECTURES FOR SOFT-OUTPUT VITERBI DECODING", JOURNAL OF VLSI SIGNAL PROCESSING SYSTEMS FOR SIGNAL, IMAGE, AND VIDEO TECHNOLOGY, SPRINGER, NEW YORK, NY, US, vol. 8, no. 2, 1 October 1994 (1994-10-01) , pages 169-181, XP000483302, ISSN: 0922-5773
  • FANG LI ET AL: "Multi-order soft output viterbi algorithm (SOVA) decoder fix point performance simulation", PROC. OF INFO-TECH AND INFO-NET 2001, vol. 2, 29 October 2001 (2001-10-29), pages 151-155, XP010577130, Beijing, China ISBN: 0-7803-7010-4
   
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).