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(11)

EP 3 117 657 A1

(12)

(43) Date of publication: 18.01.2017 Bulletin 2017/03 (21) Application number: 15761235.9 (22) Date of filing: 07.03.2015

(51) International Patent Classification (IPC):  H04W 28/02(2009.01) H04W 88/16(2009.01) H04W 88/08(2009.01) (86) International application number: PCT/US2015/019338 (87) International publication number: WO 2015/138265 (17.09.2015 Gazette 2015/37)

(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: 14.03.2014 US 201461953662 P 23.12.2014 US 201414581216 (71) Applicant: Intel IP Corporation Santa Clara, CA 95054 (US)	(72) Inventors: YIU, Candy Beaverton, OR 97007 (US) PINHEIRO, Ana Lucia A. Beaverton OR 97006-6156 (US) MARTINEZ TARRADELL, Marta Hillsboro, OR 97124 (US) (74) Representative: Rummler, Felix et al Maucher Jenkins 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)