Global Patent Index - EP 1319291 A1

EP 1319291 A1 2003-06-18 - METHOD AND APPARATUS FOR IMPLEMENTING A SELF COMPENSATING BAND STOP FILTER ON A DIGITAL DATA COMMUNICATIONS LINK

Title (en)

METHOD AND APPARATUS FOR IMPLEMENTING A SELF COMPENSATING BAND STOP FILTER ON A DIGITAL DATA COMMUNICATIONS LINK

Title (de)

VERFAHREN UND VORRICHTUNG ZUR IMPLEMENTIERUNG EINES SELBSTKOMPENSIERENDEN BANDSTOPPFILTERS AUF EINER DIGITALEN DATENKOMMUNIKATIONSSTRECKE

Title (fr)

PROC D ET DISPOSITIF POUR LA MISE EN OEUVRE D'UN FILTRE COUPE-BANDE AUTO-COMPENS DANS UNE LIAISON DE COMMUNICATIONS DE DONN ES NUM RIQUES

Publication

EP 1319291 A1 (EN)

Application

EP 01958132 A

Priority

  • FI 0100709 W
  • FI 20001793 A

Abstract (en)

[origin: WO0215506A1] The present patent publication discloses a method and apparatus for realizing a self-compensating bandstop filter on a digital communications channel. According to the method, the signal is subjected in the transmitter to bandstop filtering (H(z<-1>)) and precoding (K(z<-1>)) using the Tomlinson principle so that a common computing engine is used for both the bandstop filtering and the precoding operations.

IPC 1-7 (main, further and additional classification)

H04L 27/01

IPC 8 full level (invention and additional information)

H04L 25/03 (2006.01); H04L 25/497 (2006.01)

CPC (invention and additional information)

H04L 25/4975 (2013.01); H04L 25/03343 (2013.01); H04L 25/497 (2013.01)

Citation (search report)

See references of WO 0215506A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0215506 A1 20020221; AU 7987001 A 20020225; EP 1319291 A1 20030618; FI 108323 B 20011231; FI 20001793 A0 20000814

INPADOC legal status


2014-08-06 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20140301

2009-03-04 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20090128

2003-06-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030205

2003-06-18 [AK] DESIGNATED CONTRACTING STATES:

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

2003-06-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI