Samsung Electronics Co., Ltd.

Kyoungho Lee

Sungsick Kim

Janggun Bae

Kipyo Nam

Euichang Jung

Keonyoung Lee

Chinkyu Kang

Jaeseung Yoon

Sangbong Lee

Sukkyung Yoon

Jinmo Lee

Suksoon Kim

Jaepil Chung

Jongseob Kwak

An electronic device and method of operating an electronic device are provided. The electronic device includes a memory storing a forbidden public land mobile network (FPLMN) list including a node to which access of the electronic device is blocked, a communication circuit, and a communication processor configured to receive, through a first node, a handover command signal, search for a second node to which handover is to be performed, based on information included in the handover command signal, identify whether the second node is in the FPLMN list, based on system information broadcast by the second node and including information of multiple public land mobile networks (PLMNs), in case the second node is included in the FPLMN list, transmit a tracking area update (TAU) request signal to the second node, and connect to the second node according to reception of an accept message corresponding to the TAU request signal.

Electronic device for performing handover and operation method thereof

According to various embodiments, an electronic device may include: at least one processor, and the at least one processor may be configured to identify occurrence of an event associated with an internet protocol multimedia subsystem (IMS) voice service, in a state of being registered in a first core network based on a first radio access technology (RAT), identify at least one measurement report event corresponding to the occurred event among at least one first measurement report event associated with the first RAT and at least one second measurement report event associated with a second RAT different from the first RAT in the state of being registered in the first core network based on the first RAT, the first RAT and the second RAT being configured in the electronic device, and refrain from a measurement report corresponding to the identified measurement report event.

Electronic device performing measurement report and method for operating thereof

According to various embodiments, an electronic device may include at least one processor and a sensor module, wherein the at least one processor is configured to, while a first connection to a first network is established based on a first RAT, identify that the electronic device is in over-temperature state based on sensing data from the sensor module, based on identifying that the electronic device is in the over-temperature state, identify whether a specified application is executed or not, based on identifying that the specified application is executed, release the first connection without receiving a connection release message from the first network, after the first connection is released, perform a scan associated with a second RAT different from the first RAT, based on a result of the scan, establish a second connection with a second network different from the first network based on the second RAT. An electronic device comprising at least one processor, wherein the at least one processor is configured to, identify an over-temperature state in a state of being connected to a first RAT, based on the identification of the over-temperature state, identify whether a connection for the first RAT is maintainable, based on identifying that the connection for the first RAT is maintainable, perform at least one first operation corresponding to the over-temperature state while maintaining the connection for the first RAT, and based on identifying that the connection for the first RAT is not maintainable, perform at least one second operation for establishing. Various other embodiments are possible.

Electronic device performing operation corresponding to over-temperature state and method for operating thereof

An electronic device is provided. The electronic device includes at least one processor connected with a first subscriber identity module (SIM) and a second SIM and at least one radio frequency (RF) circuit. The at least one processor is configured to receive an RRC connection release message after radio resource control (RRC) connection with the first communication network to transmit/receive data in the state where the use of the at least one RF circuit is allocated to the first SIM, and retransmit a registration request message for the second communication network to the base station of the second communication network in the state where the use of the at least one RF circuit is allocated to the second SIM in response to the reception of the RRC connection release message.

Electronic device and method for registering in communication network by electronic device supporting multiple SIMS

In an electronic device and a method for operating an electronic device according to various embodiments of the disclosure, the electronic device may include: a first communication circuit configured to support first cellular communication; a second communication circuit configured to support second cellular communication; and a processor, and the processor may be configured to: control the second communication circuit such that the first cellular communication connection is released and the second cellular communication connection is performed or the second cellular communication connection is maintained in response to reception and/or transmission of a call connection request message while being connected to a network, determine, in response to termination of the call connection, whether to release the second cellular communication based on whether at least one condition including a condition related to whether a system information block receivable via the second cellular communication is received is satisfied, and perform the first cellular communication connection based on information for the first cellular communication connection included in the system information block.

Electronic device for performing connection to node based on status of network and method for the same

Various embodiments provide an electronic device and an operation method thereof, the electronic device comprising: a first communication circuit configured to support first cellular communication; a second communication circuit configured to support second cellular communication; and a processor, wherein the processor is configured to: control the electronic device to receive a radio resource control (RRC) reconfiguration message including information related to a measurement object, in a state in which quality measurement of the second cellular communication is restricted, identify whether the information related to the measurement object comprises information related to a standalone mode of the second cellular communication, determine whether to perform quality measurement using a frequency band corresponding to the standalone mode, based on a result of the identification, and determine whether to transmit a result of the quality measurement, based on a result of the quality measurement.

Electronic device for measuring quality of communication and operation method thereof

An electronic device is provided. The electronic device includes a plurality of antennas and at least one processor configured to support long-term evolution (LTE) communication and new radio (NR) communication. The at least one processor may be configured to identify at least one time of transmission of a sounding reference signal (SRS) set in the NR communication, transmitted through each of the plurality of antennas, identify at least one time of the LTE communication corresponding to the at least one time of transmission of the SRS, identify a block error rate (BLER) of the LTE communication in at least one frequency band associated with the LTE communication simultaneously in use with the NR communication, at the at least one time of the LTE communication, and based on the BLER satisfying a designated condition, perform an SRS restriction operation.

Electronic device transmitting reference signal and method for operating the same

A system and a method for dynamically unlocking a mobile device are provided. The method includes displaying various lock images, where at least one of the parts is altered, when an attempt is made to unlock the mobile device, determining whether a lock image, detected according to a user input, matches a preset image, and unlocking the mobile device according to the result of matching between the detected lock image and the preset image. The system and method increases the level of security when an unlock attempt is made in a public place.

System and method for dynamically unlocking mobile device

A method for controlling a discontinuous reception (DRX) in a mobile communication device is provided. According to the method, when a specific application is selected, the device activates a DRX setting timer having a long DRX period for a direct long DRX mode, and enters into the DRX mode. When the setting timer expires in the DRX mode, the device activates the setting timer again and receives control information from a base station in an on-duration zone. The device enters into the DRX mode in response to no reception of valid control information in the on-duration zone, or enters into a continuous mode for executing the specific application in response to reception of valid control information.

Growing community of inventors

Hwaseong-si, South Korea

Kyoungho Lee