Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting higher data transmission rate beyond a 4G communication systems such as LTE. A method by a terminal in a wireless communication system according to an embodiment of the present invention comprises the steps of: deciding the release of the connection to a secondary node; generating a connection release request message for requesting the connection release; and transmitting the connection release request message.

Abstract: An electronic device includes a communication processor including a first communication circuitry, a second communication circuitry, and a temperature measurement sensor. The electronic device further includes an application processor that receives information via the second communication circuitry and determines whether to request the communication processor change modes. The communication processor receives a signal to change modes, release an RRC connection, and control the second communication circuitry to enter a sleep state.

Abstract: Provided is an operating method of a user equipment (UE) in a wireless communication system, the operating method including: receiving, from a base station, a radio resource control (RRC) message including packet data convergence protocol (PDCP) layer configuration information for each data radio bearer (DRB); and when a PDCP entity is configured to be reestablished for each DRB and the PDCP layer configuration information includes an indicator indicating to continuously use header compression protocol configuration information, indicating to a lower layer entity that the header compression protocol configuration information is configured to be continuously used.

Abstract: Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present invention relates to a method and device for managing transmission beams of a terminal in a 5G system.

Abstract: Base station verification method and apparatus for use in a mobile communication system are provided. The method includes receiving by UE multiple sets of verification information from network, selecting a set of verification information, determining verification result by comparing digital signatures broadcasted by the network and digital signature generated by UE based on the verification information, storing, if verification fails, verification failure information and reporting verification failure information when verification succeed.

Abstract: The present disclosure relates to a communication technique for convergence of IoT technology and a 5G communication system for supporting a higher data transfer rate beyond a 4G system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. The present disclosure relates to a method and an apparatus for detecting downlink transmission in an unlicensed band.

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to an embodiment of the present invention, a method for a terminal in a wireless communication system comprises: receiving system information and radio resource control (RRC) configuration information; identifying decoding-related information including an aggregation level based on the system information and/or the RRC configuration information; and decoding control information on the basis of the aggregation level.

Abstract: Base station verification method and apparatus for use in a mobile communication system are provided. The method includes receiving by UE multiple sets of verification information from network, selecting a set of verification information, determining verification result by comparing digital signatures broadcasted by the network and digital signature generated by UE based on the verification information, storing, if verification fails, verification failure information and reporting verification failure information when verification succeed.

Abstract: An electronic device and method for efficiently processing overheat in an electronic device are provided. The electronic device includes a transceiver and at least one processor configured to identify overheat inside the electronic device and transmit, to a base station, a first message containing overheat assistance information generated in response to identifying the overheat inside the electronic device.

Abstract: An electronic device includes a communication processor including a first communication circuitry, a second communication circuitry, and a temperature measurement sensor. The electronic device further includes an application processor that receives information via the second communication circuitry and determines whether to request the communication processor change modes. The communication processor receives a signal to change modes, release an RRC connection, and control the second communication circuitry to enter a sleep state.

Abstract: The disclosure relates to a communication technique for a 5G communication system for supporting a higher data transfer rate after a 4G system, and a system therefor. The disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, and a service relating to security and safety), based on a 5G communication technology and an IoT-related technology. The disclosure relates to a method and device for performing beam searching in a mobile communication system using beamforming.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting higher data transfer rates than that of a beyond 4G communication system such as LTE. A control method of a terminal in a wireless communication system, according to an embodiment of the present invention, may comprise the steps of: receiving radio resource control signaling (RRC signaling) for a signal measured by a terminal; identifying a transmission interval of a signal measured by the terminal, on the basis of the received RRC signaling; identifying first information for forming a predetermined beam; and determining whether to change the first information for forming a beam to second information for forming a beam, on the basis of the identified transmission interval.

Abstract: A communication scheme and a system therefor, which combines an IoT technology and a 5th generation (5G) communication system for supporting a higher data transmission rate than a 4th generation (4G) system is provided. The disclosure may be applied to a smart service (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The disclosure provides a method of supporting an uplink transmission method for a user equipment (UE) when different systems coexist in a next generation mobile communication system.

Abstract: An electronic device comprises a first transceiver configured to transmit/receive data via a first communication network, a second transceiver configured to transmit/receive data via a second communication network, and at least one communication processor electrically connected with at least one of the first transceiver and the second transceiver, wherein the at least one communication processor is configured to identify transmission of transmission data via the first communication network, upon transmission of the transmission data via the first communication network, identify whether there is transmission data to be transmitted via the second communication network from a PDCP buffer, and when it is identified that there is no transmission data to be transmitted via the second communication network, perform control to transmit the transmission data to be transmitted via the first communication network, via the first transceiver, based on second maximum transmission power larger than preset first maximum tran

Abstract: The disclosure relates to a method and apparatus for performing cell measurement for mobility of a user equipment (UE) in a wireless communication system, and a communication method of the UE according to an embodiment of the disclosure may include: receiving, from a base station (BS), a system information block (SIB) including first signal/physical broadcast channel (SS/PBCH) block measurement time configuration (SMTC) information and second SMTC information; determining a measurement start time based on timing offset and duration included in the first SMTC information; determining a measurement occasion based on first periodicity included in the first SMTC information and second periodicity included in the second SMTC information; and performing measurement according to the measurement start time and the measurement occasion, based on the second SMTC information.

Abstract: The present disclosure relates to a method and device by which a terminal performs communication in a wireless communication system. The terminal according to an embodiment of the present disclosure may receive risk area information from a base station, when it is determined, based on the risk area information, that the terminal is located in a risk area, obtain pedestrian-to-vehicle (P2V) data, and transmit the P2V data, on a resource allocated to the terminal by the base station.

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to an embodiment of the present invention, a method for a terminal in a wireless communication system comprises: receiving system information and radio resource control (RRC) configuration information; identifying decoding-related information including an aggregation level by based on the system information and/or the RRC configuration information; and decoding control information on the basis of the aggregation level.

Abstract: An electronic device according to various embodiments may include: at least one communication processor configured to support at least one network communication, wherein the at least one communication processor is configured to: enter an inactive state based on detecting an RRC release message after establishing an RRC connection with a first cell and entering a connected state, identify that a service cannot be provided in the inactive state, perform a search until a timer started based on a reception of the RRC release message expires, and maintain the inactive state based on camping-on a selected cell based on a result of the search.

Abstract: An electronic device according to various embodiments includes: a first communication processor configured to support first network communication with a first network; and a second communication processor configured to support second network communication with a second network different from the first network, wherein, when the first network communication and the second network communication are configured to be in a state of enabling data transmission, the second communication processor is configured to transmit transmission data based on the second network communication while the first communication processor is in a CDRX state and to transmit information indicating transmission of the transmission data to the first communication processor, and the first communication processor is configured to switch from the CDRX state to an active state based on acquisition of the information indicating transmission of the transmission data from the second communication processor and to transmit data different from the t

Abstract: According to certain embodiments, a method of operating an electronic device comprises determining whether the electronic device is folded or unfolded; setting a value of a parameter based on whether the electronic device is folder or unfolded; and transmitting a first message comprising the parameter to a base station.