(19)

(11)

EP 1 579 594 A1

(12)

(43) Date of publication: 28.09.2005 Bulletin 2005/39 (21) Application number: 03780473.9 (22) Date of filing: 23.12.2003

(51) International Patent Classification (IPC)7: H04B 7/005, H04Q 7/32 (86) International application number: PCT/IB2003/006174 (87) International publication number: WO 2004/059873 (15.07.2004 Gazette 2004/29)

(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: 27.12.2002 CN 02158992 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: LIU, Jigang,c/o Philips Electronics China 200070 Shanghai (CN) SU, Qingxin,c/o Philips Electronics China 200070 Shanghai (CN) QIAN, Xuecheng,c/o Philips Electronics China 200070 Shanghai (CN) (74) Representative: Eleveld, Koop Jan  Philips Intellectual Property & Standards, P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)