Method and apparatus for end node assisted neighbor discovery

H - Electricity – 04 – L

Patent

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H04L 12/56 (2006.01)

Patent

CA 2630585

Methods and apparatus for using end nodes, e.g., wireless terminals, to discover base stations and communicate information about discovered access nodes, e.g., base stations, to other access nodes in a system are described. As the wireless terminal roams in the system and new access nodes are encountered, one or more physically adjacent access nodes will be informed of the presence of the new access node as a result of communications with the wireless terminal. A message indicating an access node's inability to route a message to another access node which is known to a wireless terminal may trigger the wireless terminal to begin the process of updating access node routing and neighbor information.

Cette invention concerne des procédés et un appareil permettant d'utiliser des noeuds d'extrémité, par exemple des terminaux sans fil, pour découvrir des stations de base et communiquer des informations relatives à des noeuds d'accès découverts, par exemple des stations de base, à d'autres noeuds d'accès dans un système. Tandis que le terminal sans fil se déplace dans le système et que de nouveaux noeuds d'accès sont rencontrés, un ou plusieurs noeuds d'accès physiquement adjacents sont informés de la présence du nouveau noeud d'accès suite à des communications avec le terminal sans fil. Un message indiquant l'incapacité d'un noeud d'accès à acheminer un message vers un autre noeud d'accès connu d'un terminal sans fil peut inciter le terminal sans fil à démarrer le processus de mise à jour d'informations de routage de noeud d'accès et de voisinage.

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