(19)
(11) EP 0 962 083 A2

(12)

(43) Date of publication:
08.12.1999 Bulletin 1999/49

(21) Application number: 98905119.0

(22) Date of filing: 20.02.1998
(51) International Patent Classification (IPC): 
H04L 27/ 26( . )
(86) International application number:
PCT/GB1998/000547
(87) International publication number:
WO 1998/037649 (27.08.1998 Gazette 1998/34)
(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 21.02.1997 GB 19970003634

(71) Applicant: NDS LIMITED
West Drayton, Middlesex UB7 ODQ (GB)

(72) Inventors:
  • TURNER, Adrian, Charles
    Eastleigh, Hampshire SO53 3DW (GB)
  • DEALTRY, Roger, Paul
    Hampshire SO23 8UY (GB)

(74) Representative: Anderson, Angela Mary 
NDS Limited, Gamma House, Enterprise Road
Chilworth, Hampshire SO16 7NS
Chilworth, Hampshire SO16 7NS (GB)

   


(54) METHOD AND APPARATUS FOR DETECTING CORRUPT PILOTS IN THE RECEPTION OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEX (OFDM) SIGNALS