(19)

(11)

EP 2 446 280 A1

(12)

(43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 10792592.7 (22) Date of filing: 23.06.2010

(51) International Patent Classification (IPC):  G01R 11/00(2006.01) (86) International application number: PCT/US2010/039615 (87) International publication number: WO 2010/151570 (29.12.2010 Gazette 2010/52)

(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 SE SI SK SM TR (30) Priority: 23.06.2009 US 219661 P (71) Applicant: Qualcomm Atheros, Inc. San Jose, CA 95110 (US)	(72) Inventor: ZYREN, James Melbourne Beach, FL 32951 (US) (74) Representative: Wegner, Hans  Bardehle Pagenberg Prinzregentenplatz 7 81675 München 81675 München (DE)