METHOD USING DIFFERENTIALLY ENCODED FEEDBACK INFORMATION IN PRECODED MIMO-OFDM SYSTEMS

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EP 2 232 803 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	27.09.2017 Bulletin 2017/39

(45)	Mention of the grant of the patent:
	16.08.2017 Bulletin 2017/33

(21)	Application number: 09700917.9

(22)	Date of filing: 08.01.2009

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International Patent Classification (IPC):

H04L 25/03^(2006.01)

H04L 5/06^(2006.01)

(86)	International application number:
	PCT/EP2009/050184

(87)	International publication number:
	WO 2009/087198 (16.07.2009 Gazette 2009/29)

(54)	METHOD USING DIFFERENTIALLY ENCODED FEEDBACK INFORMATION IN PRECODED MIMO-OFDM SYSTEMS VERFAHREN DIFFERENTIELL KODIERTER RÜCKMELDEINFORMATIONEN IN VORKODIERTEN MIMO-OFDM-SYSTEMEN PROCÉDÉ UTILISANT DES INFORMATIONS DE CODAGE DIFFÉRENTIEL ANS DES SYSTÈMES MIMO-MROF PRÉCODÉS

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

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Priority:

09.01.2008 GB 0800366
01.02.2008 GB 0802029
31.03.2008 GB 0805813

(43)	Date of publication of application:
	29.09.2010 Bulletin 2010/39

(60)	Divisional application:
	12184323.9 / 2547055
	12184325.4 / 2547056

(73)	Proprietor: NVIDIA Technology UK Limited
	London EC4A 3AE (GB)

(72)	Inventors:
	LUSCHI, Carlo Oxford Oxfordshire OX2 0QT (GB) TABET, Tarik Ashtead Surrey KT21 2BQ (GB) ALLPRESS, Steve Bristol BS8 3LB (GB)

(74)	Representative: Driver, Virginia Rozanne
	Page White & Farrer Bedford House John Street London WC1N 2BF London WC1N 2BF (GB)

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References cited: :

EP-A- 1 919 098
WO-A-2007/121568

WO-A-2007/106980
WO-A-2008/021396

NORTEL: "Further discussion on the differential feedback of PMI for LTE Downlink Closed-Loop MIMO" 3GPP DRAFT; R1-073292(NORTEL-DIFF FEEDBACK), 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Athens, Greece; 20070820, 12 August 2007 (2007-08-12), XP050106925 cited in the application
JUNG-LIN PAN ET AL: "Efficient Feedback Design for MIMO SC-FDMA Systems" VEHICULAR TECHNOLOGY CONFERENCE, 2007. VTC2007-SPRING. IEEE 65TH, IEEE, PI, 1 April 2007 (2007-04-01), pages 2399-2403, XP031093061 ISBN: 978-1-4244-0266-3

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).