METHOD AND CELL FOR DETERMINING HANDOVER OF PDU SESSION
First Claim
1. A method for a source cell determining a handover of a Packet Data Unit (PDU) session, the method comprising:
- determining a target cell or a target Next Generation Radio Access Network (NG-RAN) based on a measurement report of a UE,wherein a handover region list is additionally considered in determining the target cell or the target NG-RAN; and
transmitting a handover request message that does not include context with respect to the PDU session to the target cell or the target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN is unable to service the PDU session.
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Abstract
A disclosed feature of the present specification provides a method for a source cell determining a handover of a packet data unit (PDU) session. The method may include a step of determining a target cell or target next generation radio access network (NG-RAN) based on a measurement report by a terminal. A handover region list can additionally be considered in the target cell or target NG-RAN determination step. The method may include a step of transmitting a handover request message that does not include context with respect to the PDU session to the target cell or target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN cannot serve for the PDU session.
13 Citations
11 Claims
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1. A method for a source cell determining a handover of a Packet Data Unit (PDU) session, the method comprising:
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determining a target cell or a target Next Generation Radio Access Network (NG-RAN) based on a measurement report of a UE, wherein a handover region list is additionally considered in determining the target cell or the target NG-RAN; and transmitting a handover request message that does not include context with respect to the PDU session to the target cell or the target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN is unable to service the PDU session. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A cell that determines handover of a Packet Data Unit (PDU) session, the cell comprising:
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a transceiver; and a processor determining a target cell or a target NG-RAN based on a measurement report of a UE, wherein a handover region list is additionally considered in determining the target cell or the target NG-RAN; and wherein the processor transmits a handover request message that does not include context with respect to the PDU session to the target cell or the target NG-RAN, based on the handover region list, if it is confirmed that the determined target cell or target NG-RAN is unable to service the PDU session.
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Specification