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1. WO2020091670 - TRIGGER DATA FORWARDING BETWEEN A SOURCE ACCESS NODE AND A TARGET ACCESS NODE

Publication Number WO/2020/091670
Publication Date 07.05.2020
International Application No. PCT/SE2019/051074
International Filing Date 29.10.2019
IPC
H04W 36/02 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
02Buffering or recovering information during reselection
H04W 36/00 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Handoff or reselecting arrangements
CPC
H04W 36/0005
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
0005Control or signalling for completing the hand-off
H04W 36/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
02Buffering or recovering information during reselection ; ; Modification of the traffic flow during hand-off
H04W 36/08
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
36Hand-off or reselection arrangements
08Reselecting an access point
H04W 92/20
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
92Interfaces specially adapted for wireless communication networks
16Interfaces between hierarchically similar devices
20between access points
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
Inventors
  • PERSSON, Claes-Göran
  • SCHLIWA-BERTLING, Paul
  • RUNE, Johan
  • WALLENTIN, Pontus
  • RAMACHANDRA, Pradeepa
Agents
  • AYOUB, Nabil
Priority Data
62/753,98001.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRIGGER DATA FORWARDING BETWEEN A SOURCE ACCESS NODE AND A TARGET ACCESS NODE
(FR) DÉCLENCHEMENT DE TRANSFERT DE DONNÉES ENTRE UN NŒUD D'ACCÈS SOURCE ET UN NŒUD D'ACCÈS CIBLE
Abstract
(EN)
A method performed by a source access node for performing data forwarding at handover of a UE from a source cell to a target cell in a wireless communications network is provided. When a criterion for data forwarding is fulfilled, the source access node obtains (701) a trigger for downlink data forwarding. When receiving the trigger, the source access node initiates (702) downlink data forwarding to the UE via the target access node.
(FR)
L'invention concerne un procédé mis en oeuvre par un nœud d'accès source pour effectuer un transfert de données lors d'un transfert intercellulaire (HO) d'un UE d'une cellule source à une cellule cible dans un réseau de communication sans fil. Lorsqu'un critère de transfert de données est satisfait, le nœud d'accès source obtient (701) un déclencheur pour un transfert de données en liaison descendante. Lors de la réception du déclencheur, le nœud d'accès source lance (702) le transfert de données en liaison descendante vers l'UE par l'intermédiaire du nœud d'accès cible.
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