Mobile communication method and switching center

Details Mobile communication method and switching center Mobile communication method and switching center

H - Electricity

04

W

H04W 12/08 (2009.01) H04W 36/14 (2009.01) H04W 88/06 (2009.01)

Patent

CA 2725474

In a procedure for a mobile station (UE) to perform handover from a cell under the control of a radio base station (NB) of an UTRAN scheme to a cell under the control of a radio base station (eNB) of an E-UTRA scheme, a switching center (MME) of the E-UTRA scheme receives, from and the radio base station (eNB) of the E-UTRA scheme, a handover request acknowledge message including a transparent container including a security algorithm of an AS used in a communication between the mobile station (UE) and the radio base station (eNB) of the E-UTRA scheme; and the switching center (MME) of the E-UTRA scheme transmits, to a switching center (SGSN) of the UTRA scheme, a NAS PDU including the transparent container, a security algorithm of a NAS and a security processing parameter of the NAS.

L'invention concerne une procédure pour effectuer un transfert d'une station mobile (UE) d'une cellule sous contrôle d'une station de base radio (NB) de système UTRA à une cellule sous contrôle d'une station de base radio (eNB) de système E-UTRA. La procédure comprend une étape dans laquelle un autocommutateur (MME) de système E-UTRA reçoit, de la station de base radio (eNB) de système E-UTRA, un message de réponse à une demande de transfert comprenant un conteneur transparent contenant un algorithme de traitement de sécurité d'AS utilisé dans la communication entre la station de base radio (eNB) de système E-UTRA et la station mobile (UE), et transmet, à un autocommutateur (SGSN) de système UTRA, une NAS PDU comprenant le conteneur transparent, un algorithme de traitement de sécurité de NAS et un paramètre de traitement de sécurité de NAS.

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