METHOD OF IMPROVING AIR INTERFACE PERFORMANCE IN RADIO TELEPHONE SYSTEM - Patent 1021877

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EP 1 021 877 A2

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(88)	Date of publication A3:
	10.06.1999

(43)	Date of publication:
	26.07.2000 Bulletin 2000/30

(21)	Application number: 98939671.8

(22)	Date of filing: 19.08.1998

(51)	International Patent Classification (IPC)⁷: H04B 17/00, H04B 7/005

(86)	International application number:
	PCT/FI9800/638

(87)	International publication number:
	WO 9913/651 (18.03.1999 Gazette 1999/11)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

21.08.1997 FI 973439

(71)	Applicant: Nokia Networks Oy
	02150 Espoo (FI)

(72)	Inventor:
	PIIRAINEN, Olli FIN-90100 Oulu (FI)

(74)	Representative: Antila, Harri Jukka Tapani et al
	Kolster Oy Ab,P.O. Box 148,Iso Roobertinkatu 23 00121 Helsinki 00121 Helsinki (FI)

(54)	METHOD OF IMPROVING AIR INTERFACE PERFORMANCE IN RADIO TELEPHONE SYSTEM