MOBILE NETWORK SWITCHING METHOD AND COMMUNICATION DEVICE
FIG3 is a schematic flowchart of a method for handing over another terminal device according to an embodiment of the present invention
FIG3 is a schematic flowchart of a method 300 for handing over another terminal device according to an embodiment of the present invention. The method 300 is applicable to a scenario in which a target RAN node to which a terminal device is handed over skips supporting at least one network slice used for communication between the terminal device and a source RAN node or skips determining whether to support at least one network slice used for communication between the terminal device and a source RAN node, for example, a scenario in which the target RAN node to which the terminal device is handed over skips supporting at least one dedicated network function of the at least one network slice used for communication between the terminal device and the source RAN node or skips determining whether to support at least one dedicated network function of the at least one network slice used for communication between the terminal device and the source RAN node. The procedure includes the following steps.
schematic flowchart
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communications apparatus
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memory
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transceiver
300
method
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processor
['1. A handover method in a mobile network, wherein the method comprises: sending, by a source access network node, a handover request to a target access network node, wherein the handover request comprises at least one of the following parameters: a context of at least one flow/session, a context of at least one radio bearer, network slice indication information of at least one network slice, and network slice remapping policy information; and receiving, by the source access network node, a handover request reply sent by the target access network node, wherein the handover request reply comprises at least one of the following parameters: a configuration of at least one radio bearer accepted, modified, or newly established by the target access network node, a mapping relationship between the at least one flow/session and the at least one radio bearer, and network slice indication information of at least one new network slice.', '16. A communications apparatus, comprising: a sending module, configured to send a handover request to a target access network node, wherein the handover request comprises at least one of the following parameters: a context of at least one flow/session, a context of at least one radio bearer, network slice indication information of at least one network slice, and network slice remapping policy information; a processing module, configured to configure content of the handover request; and a receiving module, configured to receive a handover request reply sent by the target access network node, wherein the handover request reply comprises at least one of the following parameters: a  configuration of at least one radio bearer accepted, modified, or newly established by the target access network node, a mapping relationship between the at least one flow/session and the at least one radio bearer, and network slice indication information of at least one new network slice.']