| CPC H04W 76/16 (2018.02) [H04L 5/0053 (2013.01); H04W 92/20 (2013.01)] | 20 Claims |
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1. A method, comprising:
determining, by a first access network node, to deactivate a secondary cell group (SCG) or activate the SCG; and
triggering a terminal, a first base station, a second base station, or another network device to store at least a recoverable portion of configuration information associated with reactivating the SCG or recover the recoverable portion of configuration information associated with reactivating the SCG, the triggering performed by at least sending, by the first access network node, first indication information to the second base station, wherein:
the first indication information indicates, in response to the first access network node determining to deactivate the SCG, to the second base station to send an SCG deactivation command to the terminal or indicates, in response to the first access network node determining to activate the SCG, to the second base station to send an SCG activation command to the terminal;
the first access network node belongs to the first base station, the first base station being a master node or a secondary node (SN) of the terminal during dual connectivity communication; and
when the first base station is the master node, the second base station is the secondary node, or when the first base station is the secondary node, the second base station is the master node, the SCG comprising one or more cells managed by the secondary node.
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