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EP 3 141 072 A1

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(43) Date of publication: 15.03.2017 Bulletin 2017/11 (21) Application number: 15766239.6 (22) Date of filing: 04.05.2015

(51) International Patent Classification (IPC):  H04W 76/02(2009.01) H04W 84/04(2009.01) H04W 76/04(2009.01) H04W 88/08(2009.01) (86) International application number: PCT/IB2015/001123 (87) International publication number: WO 2015/173645 (19.11.2015 Gazette 2015/46)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 08.05.2014 CN 201410192960 (71) Applicant: Alcatel Lucent 92100 Boulogne-Billancourt (FR)	(72) Inventors: WEN, Pingping Shanghai 201206 (CN) WORRALL, Chandrika Newbury Berkshire RG14 6SN (GB) (74) Representative: 2SPL Patentanwälte PartG mbB  Postfach 15 17 23 80050 München 80050 München (DE)