(19)
(11) EP 1 179 268 A1

(12)

(43) Date of publication:
13.02.2002 Bulletin 2002/07

(21) Application number: 01916255.1

(22) Date of filing: 27.02.2001
(51) International Patent Classification (IPC)7H04Q 7/20
(86) International application number:
PCT/US0106/220
(87) International publication number:
WO 0169/948 (20.09.2001 Gazette 2001/38)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.03.2000 US 523562

(71) Applicant: MOTOROLA, INC.
Schaumburg, IL 60196 (US)

(72) Inventors:
  • WANG, Zhonghe
    Algonquin, IL 60102 (US)
  • TANG, Dah-Lain, Almon
    Naperville, IL 60540 (US)

(74) Representative: Potts, Susan Patricia et al
Motorola European Intellectual Property Operations Midpoint Alencon Link
Basingstoke, Hampshire RG21 7PL
Basingstoke, Hampshire RG21 7PL (GB)

   


(54) MULTIPLE TREE HIERARCHICAL COMMUNICATION SYSTEM AND METHOD