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1. WO2020067960 - TRANSMISSION OF PROTOCOL DATA UNITS

Publication Number WO/2020/067960
Publication Date 02.04.2020
International Application No. PCT/SE2019/050876
International Filing Date 17.09.2019
IPC
H04L 1/08 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
08by repeating transmission, e.g. Verdan system
H04L 1/18 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
18Automatic repetition systems, e.g. van Duuren system
H04W 80/02 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
80Wireless network protocols or protocol adaptations to wireless operation
02Data link layer protocols
H04L 1/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
CPC
H04L 1/08
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
08by repeating transmission, e.g. Verdan system
H04L 1/189
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
12by using return channel
16in which the return channel carries supervisory signals, e.g. repetition request signals
18Automatic repetition systems, e.g. van Duuren system ; ; ARQ protocols
1867Arrangements specific to the transmitter end
189Transmission or retransmission of more than one copy of a message
H04L 2001/0092
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
0092Error control systems characterised by the topology of the transmission link
H04L 2001/0096
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1Arrangements for detecting or preventing errors in the information received
0092Error control systems characterised by the topology of the transmission link
0096Channel splitting in point-to-point links
H04W 80/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
80Wireless network protocols or protocol adaptations to wireless operation
02Data link layer protocols
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
Inventors
  • DUDDA, Torsten
  • PRADAS, Jose Luis
  • ENBUSKE, Henrik
  • SHI, Nianshan
Agents
  • ERICSSON
Priority Data
62/737,20127.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRANSMISSION OF PROTOCOL DATA UNITS
(FR) TRANSMISSION D'UNITÉS DE DONNÉES DE PROTOCOLE
Abstract
(EN)
There is provided mechanisms for transmission of protocol data units (PDUs). A method is performed by a packet data convergence protocol (PDCP) transmission entity. The PDCP transmission entity has P>2 available transmission paths configured for PDCP PDU transmission. The method comprises transmitting, in a first transmission, duplicates of a PDCP PDU. The first transmission is conditionally limited to only on a proper subset consisting of M

(FR)

L'invention concerne des mécanismes de transmission d'unités de données de protocole (PDU). Un procédé est mis en œuvre par une entité de transmission de protocole de convergence de données par paquets (PDCP). L'entité de transmission PDCP comporte P>2 voies de transmission disponibles configurées pour une transmission de PDU de PDCP. Le procédé consiste à transmettre, dans une première transmission, des copies d'une PDU de PDCP. La première transmission est limitée de manière conditionnelle uniquement à un sous-ensemble approprié constitué de M<P de toutes les voies de transmission disponibles. La première transmission est lancée pour P copies de la PDU de PDCP sauf lorsque la première transmission est limitée de manière conditionnelle pour ne transmettre que les premières M<P copies de la PDU de PDCP, de telle sorte que les dernières P-M copies de la PDU de PDCP sont supprimées de la première transmission. La première transmission est lancée pour P copies de la PDU de PDCP, mais la première transmission est limitée de manière conditionnelle pour ne transmettre que les premières M<P copies de la PDU de PDCP, de telle sorte que les dernières P-M copies de la PDU de PDCP sont supprimées de la première transmission.
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