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 2725473

In a mobile communication method according to the present invention includes the steps of: transmitting, from a handover source radio base station to a swithcing center, a handover request including an NCC, a PCI and a K eNB*; changing, at the swithcing center, the NCC, changing, at the swithcing center, the K eNB* on the basis of the PCI, and transmitting, from the swithcing 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.

La présente invention concerne un procédé de communication mobile comprenant une étape au cours de laquelle une station de base sans fil à l'origine d'un transfert intercellulaire transmet une demande de transfert intercellulaire qui contient 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 la demande de transfert intercellulaire contenant 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*; 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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