(19)
(11) EP 1 224 784 A2

(12)

(88) Date of publication A3:
06.12.2001

(43) Date of publication:
24.07.2002 Bulletin 2002/30

(21) Application number: 00977260.9

(22) Date of filing: 26.09.2000
(51) International Patent Classification (IPC)7H04L 27/26, H04L 1/00
(86) International application number:
PCT/US0040/993
(87) International publication number:
WO 0126/318 (12.04.2001 Gazette 2001/15)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 07.10.1999 GB 9923763

(71) Applicant: Conexant Systems, Inc.
Newport Beach,California 92660-3095 (US)

(72) Inventors:
  • PARKER, Jonathan
    Bath, Avon BA2 3NZ (GB)
  • COLLINS, Matthew, James
    Bath, Avon BA1 4DQ (GB)

(74) Representative: O'Connell, David Christopher 
Haseltine Lake & Co.,Imperial House,15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)

   


(54) DEMODULATOR CIRCUIT FOR DEMAPPING A MULTI-CARRIER SIGNAL USING CHANNEL STATE INFORMATION