(19)
(11) EP 1 635 525 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:
03.10.2007 Bulletin 2007/40

(45) Mention of the grant of the patent:
01.08.2007 Bulletin 2007/31

(21) Application number: 05111738.0

(22) Date of filing: 05.01.2001
(51) International Patent Classification (IPC): 
H04L 25/02(2006.01)

(54)

Channel estimation for time division duplex communication systems

Kanalschätzung für ein Zeitduplexkommunikationssystem

Estimation de canal pour un système de communication duplex à répartition dans le temps

(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 07.01.2000 US 175167 P

(43) Date of publication of application:
15.03.2006 Bulletin 2006/11

(60) Divisional application:
07110145.5 / 1830530

(62) Application number of the earlier application in accordance with Art. 76 EPC:
04006212.7 / 1437869
01901796.1 / 1245100

(73) Proprietor: INTERDIGITAL TECHNOLOGY CORPORATION
Wilmington, DE 19810 (US)

(72) Inventor:
  • Zeira, Ariela
    Huntington, NY New York 11743 (US)

(74) Representative: Engdahl, Stefan 
AWAPATENT AB P.O. Box 45086
104 30 Stockholm
104 30 Stockholm (SE)


(56) References cited: : 
   
  • STEINER B ET AL: "OPTIMUM AND SUBOPTIMUM CHANNEL ESTIMATION FOR THE UPLINK OF CDMA MOBILE RADIO SYSTEMS WITH JOINT DETECTION" EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES, AEI, MILANO, IT, vol. 5, no. 1, 1994, pages 39-50, XP000445714 ISSN: 1120-3862
   
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).