METHODS AND DEVICES, WHICH ENABLE TO DETERMINE IF A HANDOVER OF A COMMUNICATION IN WHICH A MOBILE TERMINAL IS INVOLVED HAS TO BE EXECUTED FROM A FIRST BASE STATION TO A SECOND BASE STATION
First Claim
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1. Method for determining if a handover of a communication in which a first mobile terminal is involved has to be executed from a first base station to a second base station of a wireless cellular telecommunication network, characterised in that the method comprises the steps executed by the second base station of:
- receiving a first message requesting to hand over the communication in which the first mobile terminal is involved from the first base station to the second base station, the message comprising a temporary identifier allocated to the first mobile terminal,checking if the temporary identifier comprised in the first message is comprised in a list of temporary identifiers of mobile terminals for which the handover of communications in which they are involved is authorised,transferring a second message to the first base station, the second message being representative of an agreement for executing the handover of the communication if the temporary identifier comprised in the first message is comprised in the list of temporary identifiers or the second message being representative of a refusal for executing the handover of the communication if the temporary identifier comprised in the first message is not comprised in a list of temporary identifiers.
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Abstract
The present invention concerns methods and devices for enabling the determination, if a handover of a communication in which a first mobile terminal is involved has to be executed between base stations in an area managed by an entity of a wireless cellular telecommunication network. The entity:
- allocates a temporary identifier to the first mobile terminal,
- obtains a list of base stations through which a communication of the first mobile terminal has been authorized to go through,
- transfers, to each base station identified in the list of base stations, a first message comprising at least the temporary identifier of the first mobile terminal.
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Citations
15 Claims
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1. Method for determining if a handover of a communication in which a first mobile terminal is involved has to be executed from a first base station to a second base station of a wireless cellular telecommunication network, characterised in that the method comprises the steps executed by the second base station of:
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receiving a first message requesting to hand over the communication in which the first mobile terminal is involved from the first base station to the second base station, the message comprising a temporary identifier allocated to the first mobile terminal, checking if the temporary identifier comprised in the first message is comprised in a list of temporary identifiers of mobile terminals for which the handover of communications in which they are involved is authorised, transferring a second message to the first base station, the second message being representative of an agreement for executing the handover of the communication if the temporary identifier comprised in the first message is comprised in the list of temporary identifiers or the second message being representative of a refusal for executing the handover of the communication if the temporary identifier comprised in the first message is not comprised in a list of temporary identifiers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14)
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8. Method for enabling the determination, if a handover of a communication in which a first mobile terminal is involved has to be executed between base stations in an area managed by an entity of a wireless cellular telecommunication network, characterised in that the method comprises the steps executed by the entity of:
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allocating a temporary identifier to the first mobile terminal, obtaining a list of base stations through which a communication of the first mobile terminal has been authorized to go through, transferring, to each base station identified in the list of base stations a first message comprising at least the temporary identifier of the first mobile terminal. - View Dependent Claims (9, 10, 11, 15)
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12. Device for determining if a handover of a communication in which a first mobile terminal is involved has to be executed from a first base station to a second base station of a wireless cellular telecommunication network, characterised in that the device is included in the second base station and the device comprises:
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means for receiving a first message requesting to hand over the communication in which the first mobile terminal is involved from the first base station to the second base station, the message comprising a temporary identifier allocated to the first mobile terminal, means for checking if the temporary identifier comprised in the first message is comprised in a list of temporary identifiers of mobile terminals for which the handover of communications in which they are involved is authorised, means for transferring a second message to the first base station, the second message being representative of an agreement for executing the handover of the communication if the temporary identifier comprised in the first message is comprised in the list of temporary identifiers or the second message being representative of a refusal for executing the handover of the communication if the temporary identifier comprised in the first message is not comprised in a list of temporary identifiers.
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13. Device for enabling the determination, if a handover of a communication in which a first mobile terminal is involved has to be executed between base stations in an area managed by an entity of a wireless cellular telecommunication network, characterised in that the device is included in the entity and comprises:
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means for allocating a temporary identifier to the first mobile terminal, means for obtaining a list of base stations through which a communication of the first mobile terminal has been authorized to go through, means for transferring, to each base station identified in the list of base stations, a first message comprising at least the temporary identifier of the first mobile terminal.
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Specification