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1. WO2003003668 - TRANSMISSION OF COMPRESSION IDENTIFIER OF HEADERS ON DATA PACKET CONNECTION

Publication Number WO/2003/003668
Publication Date 09.01.2003
International Application No. PCT/FI2002/000563
International Filing Date 26.06.2002
Chapter 2 Demand Filed 15.01.2003
IPC
H04L 29/06 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
H04L 29/08 2006.1
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
08Transmission control procedure, e.g. data link level control procedure
CPC
H04L 69/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
04Protocols for data compression
H04L 69/16
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
16Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
H04L 69/161
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
16Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
161Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
H04L 69/32
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
30Definitions, standards or architectural aspects of layered protocol stacks
32High level architectural aspects of 7-layer open systems interconnection [OSI] type protocol stacks
Applicants
  • NOKIA CORPORATION [FI]/[FI] (AllExceptUS)
  • TOURUNEN, Ari [FI]/[FI] (UsOnly)
  • KALLIOKULJU, Juha [FI]/[FI] (UsOnly)
Inventors
  • TOURUNEN, Ari
  • KALLIOKULJU, Juha
Agents
  • KOLSTER OY AB
Priority Data
2001138027.06.2001FI
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TRANSMISSION OF COMPRESSION IDENTIFIER OF HEADERS ON DATA PACKET CONNECTION
(FR) TRANSMISSION D'UN IDENTIFICATEUR DE COMPRESSION D'EN-TETES SUR UNE CONNEXION DE PAQUETS DE DONNEES
Abstract
(EN) A method of transmitting a context identifier of header compression on a data packet connection in a telecommunications system, in which the context identifier can be transmitted either as part of a compressed data packet or in the header of a data packet to be transmitted at the convergence protocol layer of the telecommunications system. The transmission method of the context identifier is selected by comparing the space available in the header of the convergence protocol layer data packets with the number of context identifiers defined for the compression method, and attaching the context identifiers to the headers of the convergence protocol layer data packets or to a compressed data packet, depending on whether the space available in the header of the convergence protocol layer data packets is larger or smaller than the number of context identifiers defined for the compression method.
(FR) La présente invention concerne un procédé pour transmettre un identificateur de contexte de compression d'en-tête sur une connexion de paquets de données dans un système de télécommunication. Ledit identificateur de contexte peut être transmis soit sous forme de partie d'un paquet de données comprimé, soit dans l'en-tête d'un paquet de données à transmettre à la couche de protocole de convergence du système de télécommunication. Le procédé pour transmettre l'identificateur de contexte est choisi par comparaison de l'espace disponible dans l'en-tête des paquets de données de la couche de protocole de convergence avec le nombre d'identificateurs de contexte définis pour le procédé de compression, puis par liaison des identificateurs de contexte aux en-têtes des paquets de données de la couche de protocole de convergence ou à un paquet de données comprimé, selon que l'espace disponible dans l'en-tête des paquets de données de la couche de protocole de convergence est supérieur ou inférieur au nombre d'identificateurs de contexte définis pour le procédé de compression.
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