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(11)

EP 1 490 990 A1

(12)

(43) Date of publication: 29.12.2004 Bulletin 2004/53 (21) Application number: 03723777.3 (22) Date of filing: 19.03.2003

(51) International Patent Classification (IPC)7: H04B 10/18, H04B 10/155 (86) International application number: PCT/US2003/008488 (87) International publication number: WO 2003/084101 (09.10.2003 Gazette 2003/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 22.03.2002 US 104682 (71) Applicant: Qtera Corporation Nashville, TN 37228 (US)	(72) Inventors: ZHENG, Xueyan Delray Beach, FL 33445 (US) VAZIRI, Masoud Boca Raton, FL 33498 (US) (74) Representative: Anderson, Angela et al Nortel Networks LimitedIP Law GroupLondon Road Harlow,Essex CM17 9NA Harlow,Essex CM17 9NA (GB)