(19)

(11)

EP 2 522 088 A1

(12)

(43) Date of publication: 14.11.2012 Bulletin 2012/46 (21) Application number: 10795670.8 (22) Date of filing: 16.12.2010

(51) International Patent Classification (IPC):  H04B 10/13(2006.01) G02B 6/14(2006.01) (86) International application number: PCT/EP2010/069945 (87) International publication number: WO 2011/083018 (14.07.2011 Gazette 2011/28)

(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 (30) Priority: 07.01.2010 FR 1050080 (71) Applicant: Alcatel Lucent 75007 Paris (FR)	(72) Inventors: ANTONA, Jean-Christophe F-91620 Nozay (FR) BIGO, Sébastien F-91620 Nozay (FR) (74) Representative: Mouney, Jérôme  Alcatel-Lucent International Bâtiment Bourgognes 32 avenue Kléber 92707 Colombes Cedex 92707 Colombes Cedex (FR)