(19)
(11) EP 0 909 520 A2

(12)

(43) Date of publication:
21.04.1999 Bulletin 1999/16

(21) Application number: 97932429.0

(22) Date of filing: 30.06.1997
(51) International Patent Classification (IPC): 
H04J 3/ 00( . )
H04L 29/ 06( . )
H04W 84/ 16( . )
H04W 52/ 02( . )
H04B 7/ 26( . )
H04W 72/ 12( . )
H04W 48/ 12( . )
(86) International application number:
PCT/US1997/011485
(87) International publication number:
WO 1998/000992 (08.01.1998 Gazette 1998/01)
(84) Designated Contracting States:
DE FR GB NL SE

(30) Priority: 28.06.1996 US 19960671724
28.06.1996 US 19960671733
28.06.1996 US 19960672269

(71) Applicants:
  • HARRIS CORPORATION
    Melbourne Florida 32919 (US)
  • Jackson, Allen
    Melbourne, FL 32919 (US)
  • Hochman David
    Melbourne, FL 32919 (US)
  • Sikand, Parminder
    Melbourne, FL 32919 (US)
  • Hadar, Rani
    Melbourne, FL 32919 (US)
  • Klein, Jay
    Melbourne, FL 32919 (US)
  • Arditi, Shmuel
    Melbourne, FL 32919 (US)
  • Bachinski, Shmuel
    Melbourne, FL 32919 (US)
  • Knobel, Yaron
    Melbourne, FL 32919 (US)
  • Shor, Gadi
    Melbourne, FL 32919 (US)

(72) Inventors:
  • JACKSON, Allen
    Melbourne, FL 32919 (US)
  • HOCHMAN, David
    Melbourne, FL 32919 (US)
  • SIKAND, Parminder
    Melbourne, FL 32919 (US)
  • HADAR, Rami
    Melbourne, FL 32919 (US)
  • KLEIN, Jay
    Melbourne, FL 32919 (US)
  • ARDITI, Shmuel
    Melbourne, FL 32919 (US)
  • BACHINSKI, Shmuel
    Melbourne, FL 32919 (US)
  • KNOBEL, Yaron
    Melbourne, FL 32919 (US)
  • SHOR, Gadi
    Melbourne, FL 32919 (US)

(74) Representative: Meddle, Alan Leonard, et al 
FORRESTER & BOEHMERT Franz-Joseph-Strasse 38
80801 München
80801 München (DE)

   


(54) IMPROVEMENTS IN OR RELATING TO A METHOD AND APPARATUS FOR DETERMINING SYMBOL TIMING IN A WIRELESS COMMUNICATIONS SYSTEM, ALSO USING A REUSABLE CONTROL CHANNEL, AND REDUCING POWER