METHOD AND SYSTEM FOR MEASURING ONE-WAY DELAY VARIATION - Patent 1282956

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EP 1 282 956 A2

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(88)	Date of publication A3:
	25.07.2002

(43)	Date of publication:
	12.02.2003 Bulletin 2003/07

(21)	Application number: 01937419.8

(22)	Date of filing: 15.05.2001

(51)	International Patent Classification (IPC)⁷: H04L 12/26, H04L 12/24

(86)	International application number:
	PCT/US0115/741

(87)	International publication number:
	WO 0109/1375 (29.11.2001 Gazette 2001/48)

(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

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Priority:

19.05.2000 US 574307

(71)	Applicant: Williams Communications LLC
	Tulsa, OK 74103 (US)

(72)	Inventor:
	BROWN, Michael University City, MO 63130-4330 (US)

(74)	Representative: Price, Nigel John King
	J.A. KEMP & CO.14 South SquareGray's Inn London WC1R 5JJ London WC1R 5JJ (GB)

(54)	METHOD AND SYSTEM FOR MEASURING ONE-WAY DELAY VARIATION