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1. WO2009005419 - A NETWORK UNIT, A CENTRAL DISTRIBUTION CONTROL UNIT AND A COMPUTER PROGRAM PRODUCT

Publication Number WO/2009/005419
Publication Date 08.01.2009
International Application No. PCT/SE2007/050475
International Filing Date 29.06.2007
Chapter 2 Demand Filed 26.03.2009
IPC
G06F 15/16 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
15Digital computers in general; Data processing equipment in general
16Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
H04N 7/173 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
16Analogue secrecy systems; Analogue subscription systems
173with two-way working, e.g. subscriber sending a programme selection signal
CPC
H04L 29/06455
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 H04L1/00 - H04L27/00
02Communication control
06characterised by a protocol
06176Arrangements for real-time multimedia communications
06387Services or applications
06448Services related to one way streaming
06455Multicast or broadcast
H04L 29/06496
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 H04L1/00 - H04L27/00
02Communication control
06characterised by a protocol
06176Arrangements for real-time multimedia communications
06476Media handling, encoding, streaming or conversion
06482Media manipulation, adaptation or conversion
06496at the destination
H04L 29/06503
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 H04L1/00 - H04L27/00
02Communication control
06characterised by a protocol
06176Arrangements for real-time multimedia communications
06476Media handling, encoding, streaming or conversion
06482Media manipulation, adaptation or conversion
06503intermediate
H04L 29/06523
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 H04L1/00 - H04L27/00
02Communication control
06characterised by a protocol
06176Arrangements for real-time multimedia communications
06523Quality of Service (QoS) aspects
H04L 65/4076
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
65Network arrangements or protocols for real-time communications
40Services or applications
4069Services related to one way streaming
4076Multicast or broadcast
H04L 65/604
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
65Network arrangements or protocols for real-time communications
60Media handling, encoding, streaming or conversion
601Media manipulation, adaptation or conversion
604at the destination
Applicants
  • TELEFONAKTIEBOLAGET L M ERICSSON (publ) [SE]/[SE] (AllExceptUS)
  • LIND, Mikael [SE]/[SE] (UsOnly)
  • SKOG, Robert [SE]/[SE] (UsOnly)
  • LJUNGGREN, Andreas [SE]/[SE] (UsOnly)
Inventors
  • LIND, Mikael
  • SKOG, Robert
  • LJUNGGREN, Andreas
Agents
  • ALBIHNS AB
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A NETWORK UNIT, A CENTRAL DISTRIBUTION CONTROL UNIT AND A COMPUTER PROGRAM PRODUCT
(FR) UNITÉ RÉSEAU, UNITÉ CENTRALE DE COMMANDE DE DISTRIBUTION ET PRODUIT DE PROGRAMME INFORMATIQUE
Abstract
(EN)
A network unit (3, 4, 5, 7, 8, 9; 31) for use in a real-time communications network in which streams of data frames are transmitted to a plurality of receivers, said network unit being arranged to receive at least a first part of at least a first stream of data frames transmitted from at least a first content source (1) is described, said unit being characterized in that it comprises At least one buffer (Bl, B2; 33) arranged to store each data frame of a stream of data frames; A transmitting unit (35) arranged to communicate with at least one other network unit to transmit at least one data frame to another network unit; A receiving unit (37) arranged to receive from said other network unit at least one data frame belonging to the stream of data and store said data frame in the at least one buffer.
(FR)
La présente invention décrit une unité réseau (3, 4, 5, 7, 8, 9 ; 31) pouvant être utilisée dans un réseau de communications en temps réel dans lequel des flux de trames de données sont transmis à une pluralité de récepteurs, ladite unité réseau étant conçue pour recevoir au moins une première partie d'au moins un premier flux de trames de données émis depuis au moins une première source de contenu (1), ladite unité étant caractérisée en ce qu'elle comprend au moins un tampon (Bl, B2 ; 33) conçu pour stocker chaque trame de données d'un flux de trames de données ; une unité émettrice (35) conçue pour communiquer avec au moins une autre unité réseau pour transmettre au moins une trame de données à une autre unité réseau ; une unité réceptrice (37) conçue pour recevoir de la part de ladite autre unité réseau au moins une trame de données appartenant au flux de données et stocker ladite trame de données dans le ou les tampons.
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