Configuration of handovers in communication systems
First Claim
Patent Images
1. An apparatus, comprising:
- at least one processor; and
at least one memory including computer program code,the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;
obtain information on cell evacuation or massive handover to be performed regarding more than one user equipment connected to the apparatus;
in response to the obtaining information, request the more than one user equipment to form one or more device-to-device clusters; and
control the cell evacuation or massive handover to be performed utilising information on the formed one or more device-to-device clusters, wherein the control comprises determining whether a device-to-device cluster based handover process or a traditional handover process is to be performed.
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Abstract
Apparatus and method for communication are provided. The solution includes obtaining information of handovers to be performed regarding more than one user equipment connected to the apparatus; requesting the user equipment to form one or more device-to-device clusters; and controlling handovers to be performed utilizing information on the formed device-to-device clusters.
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Citations
22 Claims
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1. An apparatus, comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to; obtain information on cell evacuation or massive handover to be performed regarding more than one user equipment connected to the apparatus; in response to the obtaining information, request the more than one user equipment to form one or more device-to-device clusters; and control the cell evacuation or massive handover to be performed utilising information on the formed one or more device-to-device clusters, wherein the control comprises determining whether a device-to-device cluster based handover process or a traditional handover process is to be performed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus, comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to; be in device-to-device communication with a set of user equipment forming a device-to-device cluster to be handed over in a cell evacuation or massive handover to a target cell of a communication system; access the target cell of the communication system by using a random access channel procedure and obtain uplink timing advance information while other user equipment forming the device-to-device cluster are under the cell evacuation or massive handover process; receive from at least one of the set of the user equipment forming the device-to-device cluster downlink synchronization status information; and transmit the downlink synchronization status information to the base station of the target cell in the cell evacuation or massive handover process. - View Dependent Claims (10, 11)
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12. A method, comprising:
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obtaining information on cell evacuation or massive handover to be performed regarding more than one user equipment connected to an apparatus; in response to the obtaining information, requesting the more than one user equipment to form one or more device-to-device clusters; and controlling the cell evacuation or massive handover to be performed utilising information on the formed one or more device-to-device clusters, wherein the control comprises determining whether a device-to-device cluster based handover process or a traditional handover process is to be performed. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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being in device-to-device communication with a set of user equipment forming a device-to-device cluster to be handed over in a cell evacuation or massive handover to a target cell of a communication system; accessing the target cell of the communication system by using a random access channel procedure and obtain uplink timing advance information while other user equipment forming the device-to-device cluster are under the cell evacuation or massive handover process; receiving from at least one of the set of the user equipment forming the device-to-device cluster downlink synchronization status information; and transmitting the downlink synchronization status information to the base station of the target cell in the cell evacuation or massive handover process. - View Dependent Claims (21, 22)
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Specification