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1. (WO2018203809) METHODS AND APPARATUS FOR RANDOM-ACCESS TRANSMISSIONS IN A WIRELESS COMMUNICATION NETWORK

Pub. No.:    WO/2018/203809    International Application No.:    PCT/SE2018/050447
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Thu May 03 01:59:59 CEST 2018
IPC: H04W 74/08
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: CHRISTOFFERSSON, Jan
LIU, Jinhua
WANG, Min
Title: METHODS AND APPARATUS FOR RANDOM-ACCESS TRANSMISSIONS IN A WIRELESS COMMUNICATION NETWORK
Abstract:
Numerous methods and apparatuses are disclosed. One method, in a terminal device for a wireless communication network, comprises: obtaining a resource configuration for a random-access transmission window comprising a plurality of random-access preamble transmission opportunities; obtaining a resource configuration for a random access response window associated with the random-access transmission window; responsive to a determination of a need to perform a random-access procedure, transmitting, to a network node of the wireless communication network, a plurality of random-access preamble messages in the plurality of random-access preamble transmission opportunities; and listening for one or more random-access response messages in the random access response window.