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1. WO2020221099 - METHOD AND APPARATUS FOR RANDOM ACCESS

Publication Number WO/2020/221099
Publication Date 05.11.2020
International Application No. PCT/CN2020/086441
International Filing Date 23.04.2020
IPC
H04L 5/00 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
CPC
H04B 7/0695
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
04using two or more spaced independent antennas
06at the transmitting station
0686Hybrid systems, i.e. switching and simultaneous transmission
0695using beam selection
H04L 5/0023
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
0001Arrangements for dividing the transmission path
0014Three-dimensional division
0023Time-frequency-space
H04L 5/0091
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
0091Signaling for the administration of the divided path
H04W 56/001
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
56Synchronisation arrangements
001Synchronization between nodes
H04W 72/0446
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
044where an allocation plan is defined based on the type of the allocated resource
0446the resource being a slot, sub-slot or frame
H04W 72/1263
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
12Dynamic; Wireless traffic scheduling ; ; Dynamically scheduled allocation on shared channel
1263Schedule usage, i.e. actual mapping of traffic onto schedule; Multiplexing of flows into one or several streams; Mapping aspects; Scheduled allocation
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
  • LIN, Zhipeng [CN]/[CN] (SC)
Inventors
  • LIN, Zhipeng
  • LI, Jingya
  • HARRISON, Robert Mark
Agents
  • ZHONGZI LAW OFFICE
Priority Data
PCT/CN2019/08530330.04.2019CN
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR RANDOM ACCESS
(FR) PROCÉDÉ ET APPAREIL D’ACCÈS ALÉATOIRE
Abstract
(EN) Various embodiments of the present disclosure provide a method for random access. The method which may be performed by a terminal device comprises receiving, from a network node, information indicating an association between a downlink transmission and an uplink transmission (e.g. an association between a synchronization signal and physical broadcast channel block and a shared channel occasion) in a random access procedure. The association is based at least in part on configuration of random access resource (e.g. a random access occasion) and shared channel resource (e.g. the shared channel occasion) for an uplink message (e.g. including a preamble and physical uplink shared channel data) in the random access procedure. According to the embodiments of the present disclosure, an association between a synchronization signal and physical broadcast channel block and a shared channel occasion in a random access procedure can be configured flexibly and efficiently.
(FR) Divers modes de réalisation de la présente invention concernent un procédé d'accès aléatoire. Le procédé qui peut être implémenté par un dispositif terminal consiste à recevoir, en provenance d'un nœud de réseau, des informations indiquant une association entre une transmission de liaison descendante et une transmission de liaison montante (par exemple une association entre un bloc de signal de synchronisation et de canal de diffusion physique et une opportunité de canal partagé) dans une procédure d'accès aléatoire. L'association est basée au moins en partie sur la configuration d'une ressource d'accès aléatoire (par exemple une opportunité d'accès aléatoire) et une ressource de canal partagé (par exemple l'opportunité de canal partagé) pour un message de liaison montante (contenant par exemple un préambule et des données de canal partagé de liaison montante physique) dans la procédure d'accès aléatoire. Selon les modes de réalisation de la présente invention, une association entre un signal de synchronisation et un bloc de signal de synchronisation et de canal de diffusion physique et une opportunité de canal partagé dans une procédure d'accès aléatoire peut être configurée de manière flexible et efficace.
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