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1. WO2008020996 - BROADCAST ANCHOR AVAILABILITY INDICATION

Publication Number WO/2008/020996
Publication Date 21.02.2008
International Application No. PCT/US2007/017104
International Filing Date 31.07.2007
Chapter 2 Demand Filed 16.06.2008
IPC
H04L 12/18 2006.01
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
CPC
H04L 12/1877
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
1863comprising mechanisms for improved reliability, e.g. status reports
1877Measures taken prior to transmission
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
Applicants
  • LUCENT TECHNOLOGIES INC. [US]/[US] (AllExceptUS)
  • CASATI, Alessio [GB]/[GB] (UsOnly)
  • PALAT, Sundeep, Kumar [GB]/[GB] (UsOnly)
  • TATESH, Said [GB]/[GB] (UsOnly)
Inventors
  • CASATI, Alessio
  • PALAT, Sundeep, Kumar
  • TATESH, Said
Agents
  • GASKEY, David, J.
Priority Data
11/503,66114.08.2006US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BROADCAST ANCHOR AVAILABILITY INDICATION
(FR) INDICATION DE DISPONIBILITÉ D'ANCRE DE DIFFUSION
Abstract
(EN)
A multicast status availability indication from an anchor (24) is provided to a plurality of base nodes (22) that are part of a multicast group serviced by the anchor (24). The availability status indication in one example is sent autonomously by the anchor (24) independent of any inquiry or attempted setup of a new session with that anchor by a base mode (22). The base modes (22) maintain a candidate anchor set that includes information regarding currently available anchors for establishing new sessions, for example.
(FR)
L'invention concerne une indication de disponibilité d'état de multidiffusion à partir d'une ancre (24) fournie à plusieurs nœuds de base (22) faisant partie d'un groupe de multidiffusion desservi par l'ancre (24). L'indication d'état de disponibilité dans un exemple est envoyée d'une manière autonome par l'ancre (24) de manière indépendante de toute requête ou de toute tentative d'installation d'une nouvelle session avec cette ancre par un nœud de base (22). Les nœuds de base (22) maintiennent un ensemble d'ancres candidates comprenant des informations concernant les ancres actuellement disponibles pour établir de nouvelles sessions, par exemple.
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