Overhead reduction in frequency division duplexing (FDD) multiple-input multiple-output (MIMO)

Fodor, Gabor; Maschietti, Flavio; Gesbert, David
US patent N°12341591, 24 June 2025

A method, system and apparatus are disclosed. A first wireless device is provided. The first wireless device includes processing circuitry configured to: determine first beam information based at least in part on second beam information received from a second wireless device via device-to-device communications where the first beam information indicates a first beam selected by the first wireless device for downlink wireless communications, and where the second beam information indicates a second beam selected by the second wireless device for downlink wireless communications; and cause transmission of the first beam information for grid of beams precoder determination.


Type:
Brevet
Date:
2025-06-24
Department:
Systèmes de Communication
Eurecom Ref:
8423
Copyright:
© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in US patent N°12341591, 24 June 2025 and is available at :

PERMALINK : https://www.eurecom.fr/publication/8423