(19)

(11)

EP 3 132 623 A1

(12)

(43) Date of publication: 22.02.2017 Bulletin 2017/08 (21) Application number: 15800084.4 (22) Date of filing: 29.05.2015

(51) International Patent Classification (IPC):  H04W 8/02(2009.01) H04W 80/04(2009.01) H04W 76/02(2009.01) H04W 88/06(2009.01) (86) International application number: PCT/US2015/033422 (87) International publication number: WO 2015/184418 (03.12.2015 Gazette 2015/48)

(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: 29.05.2014 US 201462004861 P (71) Applicant: T-Mobile USA, Inc. Bellevue, WA 98006-1350 (US)	(72) Inventors: KWOK, Ming Shan Bellevue, Washington 98006-1350 (US) RAHAT, Adnan Bellevue, Washington 98006-1350 (US) NIMBAVIKAR, Gunjan Bellevue, Washington 98006-1350 (US) HAMADE, Nayla Bellevue, Washington 98006-1350 (US) (74) Representative: Sales, Robert Reginald  Swindell & Pearson Limited 48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)