Traffic driven channel reservation system for handovers in...

Details Traffic driven channel reservation system for handovers in... Traffic driven channel reservation system for handovers in...

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2150155

A method is disclosed for reducing handover failure probability in cellular networks which includes the steps of determining whether a mobile subscriber is traversing a pre- handover zone defined in each cell of the network, reserving a free channel in an adjacent cell for the mobile subscriber traversing the pre-handover zone, and granting the free channel to the mobile subscriber upon entering a handover region extending across the boundary of the adjacent cells provided that a free channel is available at such a time, and in the alternative, if a free channel is not available at such a time, the handover request is queued until a free channel becomes available.

L'invention est une méthode servant à réduire la probabilité d'échec de transfert dans les réseaux cellulaires qui comprend les opérations suivantes : examen pour déterminer si un abonné mobile est en train de traverser une zone de prétransfert, ces zones étant établies dans chacune des cellules du réseau; réservation d'un canal libre dans une cellule adjacente pour l'abonné mobile qui traverse la zone de prétransfert en cause; et affectation de ce canal libre à l'abonné mobile quand il pénètre dans la région de transfert qui chevauche la frontière des cellules adjacentes pourvu qu'un canal libre soit disponible à ce moment, et autrement, s'il n'y a pas de canal libre à ce moment, mise en file d'attente de la demande de transfert jusqu'à ce qu'un canal libre devienne disponible.

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