(19)
(11) EP 4 740 314 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24746119.7

(22) Date of filing: 28.06.2024
(51) International Patent Classification (IPC): 
H04B 7/0456(2017.01)
H04B 7/06(2006.01)
(52) Cooperative Patent Classification (CPC):
H04B 7/0456; H04B 7/0663; H04B 7/0639; H04B 7/0634; H04B 7/0658
(86) International application number:
PCT/US2024/036102
(87) International publication number:
WO 2025/010199 (09.01.2025 Gazette 2025/02)
(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:
GE KH MA MD TN

(30) Priority: 05.07.2023 US 202363525009 P
07.09.2023 US 202363536988 P

(71) Applicant: InterDigital Patent Holdings, Inc.
Wilmington, DE 19809 (US)

(72) Inventors:
  • TAN, Ahmet Serdar
    London Greater London EC3A 3DH (GB)
  • TOOHER, Patrick
    Montreal, Québec H3A 3G4 (CA)
  • LUTCHOOMUN, Tejaswinee
    Montreal, Québec H3A 3G4 (CA)
  • BELURI, Mihaela
    New York 11747 (US)

(74) Representative: Interdigital 
Immeuble ZEN 2 845 A, avenue des Champs Blancs
35510 Cesson-Sévigné
35510 Cesson-Sévigné (FR)

   


(54) METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR DIFFERENTIAL CHANNEL STATE INFORMATION COMPRESSION AND FEEDBACK ON MISMATCH DETECTION