(19)
(11)
EP 1 092 304 A1
(12)
(43)
Date of publication:
18.04.2001
Bulletin 2001/16
(21)
Application number:
98951328.8
(22)
Date of filing:
21.08.1998
(51)
International Patent Classification (IPC)
7
:
H04L
25/03
,
H04B
7/005
(86)
International application number:
PCT/EP9805/481
(87)
International publication number:
WO 0001/125
(
06.01.2000
Gazette 2000/01)
(84)
Designated Contracting States:
AT BE CH DE FI FR GB IT LI NL SE
(30)
Priority:
29.06.1998
WO PCT/EP98/04040
(71)
Applicant:
Nokia Networks Oy
02150 Espoo (FI)
(72)
Inventors:
ZHENGDI, Qin
FIN-90580 Oulu (FI)
JARVELA, Mikko
FIN-90240 Oulu (FI)
(74)
Representative:
Driver, Virginia Rozanne et al
Page White & Farrer54 Doughty Street
London WC1N 2LS
London WC1N 2LS (GB)
(54)
SYMBOL ESTIMATION USING SOFT-OUTPUT ALGORITHM AND FEEDBACK