Patent ID: 11917580
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A user equipment (UE) receiving a paging signal from a plurality of networks in a wireless communication system, the UE supporting a multi-universal subscriber identity module (USIM) comprising:
a radio frequency (RF) module configured to transmit and receive a radio signal;
at least one processor functionally connected to the RF module; and
at least one computer memory operationally connected to the at least one processor,
wherein the at least one computer memory is configured to store, upon execution, instructions that allow the at least one processor to:
register with the plurality of networks;
obtain a plurality of paging occasions;
check whether a paging message is received from each of the plurality of networks;
determine that a first paging occasion and a second paging occasion of the plurality of paging occasions overlap;
transmit, to a first network, tracking area update (TAU) request message including information related to an original international mobile subscriber identity (IMSI) of the first paging occasion;
receive, from the first network, a TAU accept message including an alternative IMSI for changing the first paging occasion; and
update the first paging occasion based on the alternative IMSI.