Electronic device for supporting dual SIM and cellular communication converting method of electronic device
An electronic device and method thereof are provided. The electronic device includes a first subscriber identity module (SIM) for storing a first profile related to a first cellular network, a second SIM for storing a second profile related to a second cellular network, a wireless communication circuit including a radio frequency (RF) resource for performing data transmission or reception through one of the first cellular network or the second cellular network, and a communication processor configured to detect activation of a data transmission operation through the first cellular network, assign the RF resource to the first SIM during a first time, measure a quality of a channel corresponding to the first cellular network during the first time, maintain a state in which the RF resource is assigned to the first SIM during a second time, and reassign the RF resource to the second SIM after the second time expires.
1 . An electronic device comprising:
a first subscriber identity module (SIM) configured to store a first profile related to a first cellular network;
a second SIM configured to store a second profile related to a second cellular network;
communication circuitry including a radio frequency (RF) resource configured to perform data transmission and/or reception through one of the first cellular network and the second cellular network;
memory storing instructions; and
at least one processor,
wherein the instructions, when executed by the at least one processor, cause the electronic device to:
assign the RF resource to the first SIM during a first time and connect to a first base station of the first cellular network, wherein the RF resource is assigned to the second SIM after the first time is expired,
determine whether a condition for transmitting, to the first base station, a measurement report of a quality of signal received from a second base station of the first cellular network is satisfied,
based on determination that the condition is satisfied, refrain from assigning the RF resource to the second SIM after the first time is expired, wherein the assignment of the RF resource to the first SIM is maintained, and
assign the RF resource to the second SIM after a second time expires.
2 . The electronic device of claim 1 , wherein the at least one processor is further configured to perform at least one operation configured to perform connection to the second base station while a state in which the RF resource is assigned to the first SIM is further maintained during the second time.
3 . The electronic device of claim 1 , wherein the at least one processor is further configured to assign the RF resource to the second SIM again in response to reception from the first cellular network of a message indicating completion of connection with the second base station.
4 . The electronic device of claim 1 , wherein the at least one processor is further configured to perform, through the RF resource, a procedure for configuring the RF resource to be assigned to the second SIM again and then a paging message to be received from the second cellular network.
5 . The electronic device of claim 4 , wherein the procedure for configuring the paging message to be received comprises a tracking area update (TAU) procedure.
6 . The electronic device of claim 4 , wherein the at least one processor is further configured to assign the RF resource to the first SIM again in response to completion of the procedure for configuring the paging message to be received.
7 . The electronic device of claim 1 , wherein the at least one processor is further configured to assign the communication circuitry to the second SIM after the first time is expired based on the determination that the condition for performing the handover from the first base station to the second base station is not satisfied.
8 . The electronic device of claim 1 , wherein the at least one processor is further configured to transmit a quality measurement result of a signal transmitted by the second base station of the first cellular network to the first base station of the first cellular network, while maintaining a state in which the RF resource is assigned to the first SIM during the second time.
9 . The electronic device of claim 1 , wherein the second time is included in information transmitted by the first cellular network.
10 . The electronic device of claim 9 , wherein the information transmitted by the first cellular network is included in a radio resource control (RRC) reconfiguration message received through the first cellular network during attempting a connection operation with the first cellular network after assigning the RF resource to the first SIM in response to activation of a data transmission operation through the first cellular network.
11 . The electronic device of claim 1 , wherein the first cellular network corresponds to 4G mobile communication network configured to support evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRA-NR)-Dual-Connectivity (EN-DC) or standalone (SA) and the second cellular network corresponds to 5G mobile communication network configured to support EN-DC or SA.
12 . A method of operating an electronic device configured to support a first cellular network and a second cellular network, the method comprising:
assigning a radio frequency (RF) resource to a first subscriber identity module (SIM) corresponding to the first cellular network during a first time and connecting to a first base station of the first cellular network, wherein the RF resource is assigned to a second SIM corresponding to the second cellular network after the first time is expired;
determining whether a condition for transmitting, to the first base station, a measurement report of a quality of signal received from a second base station of the first cellular network is satisfied;
based on the determination that the condition is satisfied, refraining from assigning the RF resource to the second SIM after the first time is expired, wherein the assignment of the RF resource to the first SIM is maintained; and
assigning the RF resource to a second SIM corresponding to the second cellular network again after second time expires.
13 . The method of claim 12 , wherein the refraining from assigning the RF resource to the second SIM comprises performing at least one operation configured to perform connection with the first cellular network while a state in which the RF resource is assigned to the first SIM is maintained during the second time.
14 . The method of claim 12 , further comprising assigning the RF resource to the second SIM again in response to reception from the first cellular network of a message indicating completion of connection with the second base station.
15 . The method of claim 12 , further comprising performing, through the RF resource, a procedure for configuring the RF resource to be assigned to the second SIM again and then a paging message to be received from the second cellular network.