Abstract: According to an embodiment, an electronic device may comprise: a memory, at least one communication circuit, and at least one processor, wherein the at least one processor is configured to: receive, via the at least one communication circuit, multiple synchronization signal (SS)/physical broadcast channel (PBCH) blocks (SSBs) from a network; identify multiple time slots corresponding to the multiple SSBs, respectively; in a discontinuous reception (DRX) mode, based on a measurement result of a signal measured in at least one of the multiple time slots in a previous period, select at least one time slot in which monitoring is to be performed in a current period; and wake up in the selected at least one time slot to monitor a physical downlink control channel (PDCCH).

Abstract: An example electronic device may include a plurality of antennas; and at least one communication processor communicating with a first communication network or a second communication network through the plurality of antennas. The at least one communication processor may be configured to set up a call with an external electronic device through the first communication network, identify information related to call quality in a call connected state with the external electronic device, and perform an operation for reducing a number of antennas for reception among the plurality of antennas based on identifying that the information related to the call quality meets a designated condition.

Abstract: An electronic device is provided. The electronic device includes at least one processor, wherein the at least one processor is configured to receive an RRC reconfiguration message including information related to a conditional handover from a serving cell, determine whether to perform the conditional handover, based on the information related to the conditional handover included in the RRC reconfiguration message, determine whether at least one condition for postponing a time point at which the conditional handover is performed is satisfied, based on the determination to perform the conditional handover, and postpone the time point at which the conditional handover is performed, based on satisfaction of at least some of the at least one condition. Other various embodiments are possible.

Abstract: An electronic device and operation method are provided that include a communication circuit, a memory to store mapping data in which identification information of a cellular communication network and information indicating whether the cellular communication network supports a standalone (SA) mode of a first cellular communication supported thereby are mapped, and a communication processor to, while searching for a node through the first cellular communication and/or second cellular communication, receive system information broadcast by the node, determine, based on identification information of a cellular communication network included in the system information and the mapping data, whether a cellular communication network corresponding to the node supports the SA mode of the first cellular communication, and, when it is determined that the cellular communication network does not support the SA mode, stop searching for the node through the first cellular communication and search for the node through the secon

Abstract: In various embodiments, an electronic device comprising a communication circuit, a processor, and a memory is disclosed. The memory may store instructions that, when executed, cause the processor to transmit, to a network, a first session initiation protocol (SIP) invite message including at least one dummy value by using the communication circuit, obtain channel state information by using the communication circuit, determine a codec for performing a packet based call on the basis of channel state information, and transmit, to the network, a second SIP invite message including information of the determined codec by using the communication circuit. Various other embodiments are also possible which are known from the specification.

Abstract: A user equipment (UE) is provided. The UE includes a first subscriber identity module (SIM) configured to correspond to a first cellular network, a second SIM configured to correspond to a second cellular network, a wireless communication circuit, and a processor configured to determine a SIM to be used for Internet data communication among the first SIM and the second SIM as the first SIM, perform a connection process for Internet data communication and internet protocol (IP) multimedia subsystem (IMS) communication for a voice call with the first cellular network using first identification information about the first SIM, perform a connection process for the IMS communication with the second cellular network using second identification information about the second SIM, configure a parameter for the UE to support a narrow bandwidth for the second cellular network in UE capability information and transmit the UE capability information to the second cellular network.

Abstract: An electronic device is provided. The electronic device includes a display, at least one communication circuit, and at least one processor configured to control the display and the at least one communication circuit. The at least one processor is configured to obtain a communication state using the at least one communication circuit during a packet based voice call, and to stop transmitting data associated with at least one of a plurality of background applications which operate in a background of an operating system (OS) of the electronic device when the communication state meets a specified first condition.

Abstract: In various embodiments, an electronic device comprising a communication circuit, a processor, and a memory is disclosed. The memory may store instructions that, when executed, cause the processor to transmit, to a network, a first session initiation protocol (SIP) invite message including at least one dummy value by using the communication circuit, obtain channel state information by using the communication circuit, determine a codec for performing a packet based call on the basis of channel state information, and transmit, to the network, a second SIP invite message including information of the determined codec by using the communication circuit. Various other embodiments are also possible which are known from the specification.

Abstract: An electronic device is provided. The electronic device includes a display, at least one communication circuit, and at least one processor configured to control the display and the at least one communication circuit. The at least one processor is configured to obtain a communication state using the at least one communication circuit during a packet based voice call, and to stop transmitting data associated with at least one of a plurality of background applications which operate in a background of an operating system (OS) of the electronic device when the communication state meets a specified first condition.