Call control method and arrangement
AssigneeNokia Corporation
InventorsEsko Oikarinen, Juha T. Timonen
Life of this patent
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Abstract
An object of the invention is a call control method for user equipment which can be in connection with more than one radio system. The user equipment is under a first radio system. In the method, a first system detects that there is a need to transfer data to the user equipment. A paging message is transmitted from the first radio system to the user equipment, the message containing a command to move over to the cell of a second radio system. Reselection of the cell is started in the user equipment on the basis of the message.
Claims13
A call control method for user equipment arranged to be in connection with more than one radio system, which user equipment is under a first radio system the method comprising
- detecting by the first system that there is a need to transfer data to the user equipment,
- transmitting a paging message from the first radio system to the user equipment, the message containing a command to move over to the cell of a second radio system;
- starting reselection of the cell in the user equipment on the basis of the message.
An arrangement for performing call control between a first and a second radio system for a user equipment, the user equipment comprising
- means for being in connection with the first and the second radio system;
- means in the radio system for detecting a need to transfer data to the user equipment;
- and the arrangement comprising
- means in the first system for transmitting a paging message to the user equipment having logical connection to the system, the paging message comprising a command for the user equipment to move over to the cell of the second radio system;
- means in the user equipment for starting the cell reselection process on the basis of the message.
Dependencies are inferred from the claim text.