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1. WO2007140056 - METHOD AND SYSTEM FOR COMMUNICATION

Publication Number WO/2007/140056
Publication Date 06.12.2007
International Application No. PCT/US2007/066745
International Filing Date 17.04.2007
IPC
H04L 12/56 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
H04J 3/26 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
3Time-division multiplex systems
24in which the allocation is indicated by an address
26in which the information and the address are simultaneously transmitted
H04W 4/06 2009.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service ; Services to user groups; One-way selective calling services
CPC
H04B 7/022
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
022Site diversity; Macro-diversity
H04B 7/026
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
022Site diversity; Macro-diversity
026Co-operative diversity, e.g. using fixed or mobile stations as relays
H04L 12/185
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
16Arrangements for providing special services to substations
18for broadcast or conference ; , e.g. multicast
185with management of multicast group membership
H04L 12/189
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
02Details
16Arrangements for providing special services to substations
18for broadcast or conference ; , e.g. multicast
189in combination with wireless systems
H04W 4/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
4Services specially adapted for wireless communication networks; Facilities therefor
06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Applicants
  • MOTOROLA, INC. [US]/[US] (AllExceptUS)
  • JAKOBSEN, Jens [DK]/[DK] (UsOnly)
Inventors
  • JAKOBSEN, Jens
Agents
  • DOUTRE, Barbara, R.
Priority Data
0610405.326.05.2006GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND SYSTEM FOR COMMUNICATION
(FR) PROCÉDÉ ET SYSTÈME DE COMMUNICATION
Abstract
(EN)
A method (200) of operation in a communication system (100) including a plurality of hosts (105, 115, 125) a controller (133) operable to allocate resources for communications to be sent between hosts in the system, and a network of routers (102, 112, 122) operable to route communications between the hosts by multicast transmission, the method including the controller sending (213) to target routers associated with target hosts which are to receive a communication from a sending host a prompt message prompting the target routers to form a multicast tree via which the communication is to be deliverable.
(FR)
La présente invention concerne un procédé d'exploitation (200) dans un système de communication (100) comportant plusieurs hôtes (105, 115, 125), une unité de commande (133) conçue pour attribuer des ressources destinées à des communications à établir entre des hôtes dans le système, ainsi qu'un réseau de routeurs (102, 112, 122) conçus pour transmettre des communications entre les hôtes par une transmission de multidiffusion. Selon le procédé, l'unité de commande envoie (213) à des routeurs cibles, associés à des hôtes cibles devant recevoir une communication d'un hôte émetteur, un message d'invitation invitant les routeurs cibles à former un arbre de multidiffusion par lequel la communication doit pouvoir être transmise.
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