Strahlformung mit Geringer Komplexität unter Verwendung von Kovarianzkompression

Details

Veröffentlichungs-Nr.

EP4716110

Anmeldetag

16. September 2025

Veröffentlichung

25. März 2026

Rechtsraum

EP

IPC

H04B7/06, H04L25/02

Abstract

According to an aspect, there is provided an apparatus configured to perform the following. The apparatus obtains a plurality of channel matrices corresponding to a plurality of frequencies. The apparatus selects a compression matrix according to a compression matrix selection scheme. The apparatus calculates, based on the plurality of channel matrices and the compression matrix, a plurality of compressed channel matrices and, based on the plurality of channel matrices and the plurality of compressed channel matrices, a semi-compressed short-term channel covariance matrix. The apparatus calculates one or more approximate short-term eigenvectors and/or eigenvalues of a short-term channel covariance matrix based on an approximation of the short-term channel covariance matrix and transmits the one or more approximate short-term eigenvectors and/or eigenvalues to a distributed unit. The approximation of the short-term channel covariance matrix is based on the semi-compressed short-term channel covariance matrix and the compression matrix.

Anmelder

Firma

Nokia Solutions and Networks Oy

Land

🇫🇮 Finnland