Method and arrangement for optimising the operational times...

H - Electricity – 04 – W

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H04W 36/36 (2009.01)

Patent

CA 2615730

The invention relates to a method and to an arrangement for optimising the operational times and cell change performance of mobile terminals in a mobile communication network having adjacent radio cells. The mobile terminal temporarily stores network specific characteristics for adjacent shaft cells which are not suitable for cell exchange when the mobile communication network is in operation and it uses said characteristics as decision criterion for cell exchange, and said information is used, in particular, to exclude said adjacent cells from additional radio-technical measurements and identification procedures. By implementing the terminal behaviour according to the inventive method, it is possible to significantly increase the operational times and the cell exchange performance of a mobile terminal in specific situations and to improve the service to a mobile radio user. The inventive device can also be used for mobile terminals according to GSM- or UMTS-Standard, and also for other radio network technology (for example, wireless LAN (W-LAN), cdma2000, WiMAX, WiBro, enhanced UTRAN, etc.).

L'invention concerne un procédé et un système pour optimiser les temps d'ordre de marche et les performances de changement de cellule de terminaux mobiles dans un réseau de communication mobile comprenant des cellules radio voisines. Lors de son fonctionnement dans le réseau de communication mobile, le terminal mobile stocke de façon intermédiaire des identifications spécifiques du réseau pour des cellules voisines qui ne sont pas adaptées à un changement de cellule et il utilise ces identifications dans le cadre des critères de décision pour un changement de cellule, ces informations étant utilisées en particulier pour exclure ces cellules voisines d'autres mesures techniques et procédures d'identification. La mise en oeuvre de caractéristiques de terminal mobile conformément au procédé selon l'invention permet d'accroître de façon significative le temps d'ordre de marche et les performances de changement de cellule d'un terminal mobile dans des situations déterminées et d'améliorer ainsi le service fourni à un client de téléphonie mobile. L'invention peut être appliquée aussi bien pour des terminaux mobiles utilisant la norme GSM ou UMTS que pour d'autres technologies de téléphonie mobile (par exemple LAN sans fil (W-LAN), cdma2000, WiMAX, WiBro, UTRAN amélioré, etc.).

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