Mobile communication method

Details Mobile communication method Mobile communication method

H - Electricity

04

W

H04W 12/04 (2009.01) H04W 36/08 (2009.01) H04W 36/26 (2009.01)

Patent

CA 2725471

In a mobile communication method according to the present invention includes the steps of: transmitting, from a handover source radio base station to a switching center, a handover request including an NCC, a PCI and a K eNB*; changing, at the switching center, the NCC, changing, at the switching center, the K eNB* on the basis of the PCI, and transmitting, from the switching center to the handover target radio base station, the handover request including the changed NCC and the changed K eNB* ; generating, at the handover target radio base station, a first key on the basis of the K eNB*; and generating, at the mobile station, the first key on the basis of the NCC and the PCI included in a handover command.

L'invention concerne un procédé de communication mobile comprenant une étape au cours de laquelle une station de base sans fil produisant un transfert intercellulaire transmet une demande de transfert intercellulaire comprenant NCC, PCI, et KeNB* à une station de commutation; une étape au cours de laquelle la station de commutation modifie NCC et modifie KeNB* sur la base de PCI puis transmet une demande de transfert intercellulaire comprenant le NCC modifié et le KeNB* modifié à une station de base sans fil destinataire du transfert intercellulaire; une étape au cours de laquelle la station de base sans fil destinataire du transfert intercellulaire génère une première clé sur la base de KeNB*; et une étape au cours de laquelle une station mobile génère la première clé sur la base de NCC et PCI contenus dans la commande de transfert intercellulaire.

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