(19)
(11) EP 4 771 896 A1

(12)

(43) Date of publication:
08.07.2026 Bulletin 2026/28

(21) Application number: 23950026.7

(22) Date of filing: 28.08.2023
(51) International Patent Classification (IPC): 
H04W 24/02(2009.01)
(52) Cooperative Patent Classification (CPC):
H04W 4/70; H04B 7/22
(86) International application number:
PCT/CN2023/115195
(87) International publication number:
WO 2025/043432 (06.03.2025 Gazette 2025/10)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: QUALCOMM Incorporated
San Diego, CA 92121-1714 (US)

(72) Inventors:
  • WEI, Chao
    San Diego California 92121-1714 (US)
  • YIN, Mingxi
    San Diego California 92121-1714 (US)
  • XU, Hao
    San Diego California 92121-1714 (US)
  • LIU, Kangqi
    San Diego California 92121-1714 (US)

(74) Representative: Bardehle Pagenberg Partnerschaft mbB Patentanwälte Rechtsanwälte 
Prinzregentenplatz 7
81675 München
81675 München (DE)

   


(54) MULTIPLE CARRIER WAVE RADIO FREQUENCY SOURCE CONFIGURATION FOR BACKSCATTER COMMUNICATIONS BY AN AMBIENT INTERNET-OF-THINGS DEVICE