公开(公告)号：US20230217394A1

公开(公告)日：2023-07-06

申请号：US17998232

申请日：2020-05-25

Applicant: Nokia Technologies Oy

Inventor： Frank FREDERIKSEN ,  Daniela LASELVA ,  Nuno Manuel KIILERICH PARTAS

IPC: H04W56/00

CPC classification number: H04W56/0045

Abstract: There is described a method to operate an apparatus of a radio communications network, the method comprising at least: receiving at least one validity period indicator, which indicates at least one validity period for a timing advance configuration of the apparatus, and at least one preamble indicator, which indicates a preamble configuration; transmitting, prior to an end of the validity period, at least one preamble in dependence on the preamble configuration; receiving a timing advance command in response to the transmitted preamble; and updating the timing advance configuration of the apparatus in dependence on the received timing advance command.