Abstract:
The present disclosure relates to a communication scheme for merging IoT technology with a 5G communication system supporting a data transmission rate higher than that of a 4G system, and to a system for the scheme. The present disclosure can be applied to intelligent services (for instance, smart home, smart building, smart city, smart car or connected car, heath care, digital education, retail business, security- and safety-related service and so forth) on the basis of 5G communication technology and IoT-related technology. The present invention provides a device and method for supporting paging signal processing using multi-connection in a wireless communication system.
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 (e.g., 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 transmission and reception by a communication device in a wireless communication system, and may refer to a PDCP and RLC structure defined in the 3GPP.
Abstract:
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for preventing a loss of data packets of a transmission end is provided. The method includes performing a path switching operation, receiving, from a reception end, a switching status report that includes information related to the data packets that were not received by the reception end, and retransmitting the data packets that were not received by the reception end, where the path switching operation is an operation of switching a data transmission path from a first communication system to a second communication system or from the second communication system to the first communication system, and where the first communication system is a fourth generation (4G) communication system, and the second communication system is a fifth generation (5G) communication system that uses a millimeter-wave (mm-wave) band.
Abstract:
The present invention relates to a device-to-device (D2D) communication method and an apparatus therefor. A device-to-device communication method according to an embodiment of the present invention may comprise the steps of: transmitting, to a base station, a device-to-device communication registration request message including identification information and interest information of a device-to-device communication service; receiving, from the base station, a device-to-device communication registration response message including device-to-device communication resource information which has been allocated according to the identification information of the device-to-device communication service; and transmitting a device-to-device communication signal using the allocated device-to-device communication resource. According to an embodiment of the present invention, it is possible to ensure a QoS differentiated according to the service of an application which is used by various users, perform a device-to-device communication process which is independent of a data communication, and conduct interference management under simultaneous connection with a cellular user.
Abstract:
A Lawful Interception (LI) method performed between a network and a terminal operating in Device-to-Device (D2D) communication mode to intercept D2D communication content are provided. The lawful interception method includes a D2D communication terminal according to the present disclosure includes activating a lawful interception function, storing information exchanged with a peer terminal through D2D communication, and transmitting a lawful interception report including the stored information.
Abstract:
A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a base station, layer 1/layer 2 triggered mobility (LTM) configuration information including a configuration for at least one candidate cell via a radio resource control (RRC) message, wherein the configuration includes information associated with UE-based timing advance (TA) measurement configured for a candidate cell, identifying that the UE-based TA measurement is configured for the candidate cell of the at least one candidate cell, based on the information, receiving, from the base station, a medium access control (MAC) control element (CE) indicating a LTM cell switch, the MAC CE including first information indicating a configuration identity (ID) of the candidate cell for the LTM cell switch and second information on a timing advance command, identifying whether a valid timing advance (TA) value is indicated based on the timing advance command, and in case that the valid TA value is indicated based on the timing advance command, applying the TA value for the LTM cell switch to the candidate cell.
Abstract:
The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. More particularly, the disclosure relates to a method performed by a control plane (CP) of a base station in a wireless communication system. The method comprises transmitting, to a user plane (UP) of the base station, a first message comprising information on a packet data convergence protocol (PDCP) for each data radio bearer (DRB). As a response to the first message, the method further comprises receiving, from the UP of the base station, a second message. The information on the PDCP for each DRB comprises at least one PDCP version.
Abstract:
The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security, and safety services. The disclosure provides a method and an apparatus for operating a PDCP entity during a handover having no transmission/reception interruption.
Abstract:
The disclosure relates to a communication technique and a system for converging a 5G communication system with IoT technology to support a higher data rate after a 4G system. Based on 5G communication technology and IoT-related technologies, the disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety related services, etc.). The disclosure provides a method and apparatus for selecting data to be transmitted when data transmission occurs simultaneously in different cells.
Abstract:
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The method includes identifying whether a medium access control (MAC) entity of the terminal is configured with a logical channel (LCH)-based prioritization, identifying whether a first uplink grant is associated with a random access, determining the first uplink grant to be a prioritized uplink grant, and transmitting an uplink signal based on the prioritized uplink grant.