(19)
(11)
EP 1 057 259 A1
(12)
(43)
Date of publication:
06.12.2000
Bulletin 2000/49
(21)
Application number:
99973514.5
(22)
Date of filing:
10.11.1999
(51)
International Patent Classification (IPC)
7
:
H03H
21/00
(86)
International application number:
PCT/CA9901/068
(87)
International publication number:
WO 0038/319
(
29.06.2000
Gazette 2000/26)
(84)
Designated Contracting States:
DE FR GB
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
22.12.1998
US 218428
16.07.1999
US 356041
(71)
Applicant:
Nortel Networks Limited
Montreal,Quebec H2Y 3Y4 (CA)
(72)
Inventor:
DING, Heping
Kanata, Ontario K2L 1N6 (CA)
(74)
Representative:
Coyle, Philip Aidan et al
F. R. KELLY & CO.27 Clyde RoadBallsbridge
Dublin 4
Dublin 4 (IE)
(54)
STABLE ADAPTIVE FILTER AND METHOD