(19)

(11)

EP 3 788 729 A1

(12)

(43) Date of publication: 10.03.2021 Bulletin 2021/10 (21) Application number: 18726894.1 (22) Date of filing: 04.05.2018

(51) International Patent Classification (IPC):  H04B 7/185(2006.01) (86) International application number: PCT/US2018/031200 (87) International publication number: WO 2019/212571 (07.11.2019 Gazette 2019/45)

(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: KH MA MD TN (71) Applicant: The Boeing Company Chicago, IL 60606-1596 (US)	(72) Inventors: CHEN, Yi-Feng James Chicago, Illinois 60606-1596 (US) KRIKORIAN, Haig F. Chicago, Illinois 60606-1596 (US) WINIG, Robert J. Chicago, Illinois 60606-1596 (US) FISH, Jonathan Chicago, Illinois 60606-1596 (US) BENJAMIN, Craig Chicago, Illinois 60606-1596 (US) (74) Representative: Plasseraud IP  66, rue de la Chaussée d'Antin 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)