(19)
(11) EP 3 289 720 A2

(12)

(88) Date of publication A3:
15.12.2016

(43) Date of publication:
07.03.2018 Bulletin 2018/10

(21) Application number: 16730540.8

(22) Date of filing: 02.05.2016
(51) International Patent Classification (IPC): 
H04L 5/00(2006.01)
H04L 27/26(2006.01)
 H04W 84/12(2009.01)
(86) International application number:
PCT/US2016/030426
(87) International publication number:
WO 2016/179100 (10.11.2016 Gazette 2016/45)
(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:
MA MD

(30) Priority: 01.05.2015 US 201562156069 P
12.08.2015 US 201562204164 P
21.10.2015 US 201562244283 P
16.11.2015 US 201562255822 P
07.12.2015 US 201514961380

(71) Applicants:
  • Chu, Liwen
    San Ramon, CA 94582 (US)
  • Zhang, Hongyuan
    Fremont, CA 94555 (US)
  • Wang, Lei
    San Diego, CA 92130 (US)
  • Sun, Yakun
    Sunnyvale, CA 94087 (US)
  • Jiang, Jinjing
    San Jose, CA 95132 (US)
  • Lou, Hui-Ling
    Sunnyvale, CA 94087 (US)

(72) Inventors:
  • Chu, Liwen
    San Ramon, CA 94582 (US)
  • Zhang, Hongyuan
    Fremont, CA 94555 (US)
  • Wang, Lei
    San Diego, CA 92130 (US)
  • Sun, Yakun
    Sunnyvale, CA 94087 (US)
  • Jiang, Jinjing
    San Jose, CA 95132 (US)
  • Lou, Hui-Ling
    Sunnyvale, CA 94087 (US)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) BEAMFORMING TRAINING IN ORTHOGONAL RFEQUENCY DIVISION MULTIPLE ACCESS (OFDMA) COMMUNICATION SYSTEMS