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(11)

EP 2 850 451 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13737377.5 (22) Date of filing: 15.05.2013

(51) International Patent Classification (IPC):  G01S 5/18(2006.01) H04W 4/04(2009.01) H04W 4/02(2009.01) (86) International application number: PCT/IB2013/053954 (87) International publication number: WO 2013/171679 (21.11.2013 Gazette 2013/47)

(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 (30) Priority: 15.05.2012 US 201261647107 P (71) Applicant: Albert-Ludwigs-Universität Freiburg 79098 Freiburg (DE)	(72) Inventors: HÖFLINGER, Fabian 78667 Villingendorf (DE) WENDEBERG, Johannes 79104 Freiburg (DE) REINDL, Leonhard 79199 Kirchzarten (DE) SCHINDELHAUER, Christian 79183 Waldkirch (DE) (74) Representative: Tahhan, Nader Isam Mark  Isipat Am Birkenacker 13 79199 Kirchzarten 79199 Kirchzarten (DE)