Abstract: The present invention relates not only to a fourth-generation (4G) communication system, such as long-term evolution (LTE), but also to a fifth-generation (5G) or pre-5G communication system to be provided to support a higher data transfer rate. The present invention provides a method for a first device in a communication system supporting a device-to-device (D2D) scheme, the method comprising the steps of: when existence of a second D2D device, of which the location information needs to be detected, has been detected, transmitting a discovery request message which requests activation of at least one of an urgent discovery operation and a location measurement operation; receiving a discovery response message to the discovery request message from at least one device including the second device; and transmitting, to the second device, information related to execution of the location measurement operation.

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 a long term evolution (LTE). A method and apparatus for performing a relay communication are provided. A remote user equipment (UE) according to the present disclosure is configured to acquire a first parameter related to relay load from each of a plurality of relay candidate UEs, to select a relay UE which will perform a relay communication with the remote UE from among the plurality of relay candidate UEs based on the first parameter acquired from each of the plurality of relay candidate UEs, and to perform the relay communication with the selected relay UE. The first parameter is generated based on cellular communication load between a base station (BS) connected to a corresponding relay candidate UE and the corresponding relay candidate UE.

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. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.

Abstract: A method and an apparatus for transmitting a packet in a system performing a Device to Device (D2D) direct communication are provided. In the method, whether to transmit a small packet is determined. When small packet transmission is determined, at least one peripheral reception device is informed of whether the small packet is transmitted at a scheduling point.

Abstract: A method and an apparatus for direct communication between User Equipments (UEs) in a wireless communication system are provided. A method for communicating with a second UE by a first UE in the wireless communication system includes generating a discovery code used for communicating with the second UE, and transmitting the generated discovery code to one middle layer among a plurality of layers.

Abstract: The present disclosure relates to a communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of Things (IoT). The present disclosure applies to intelligent services based on 5G communications technology and IoT related technology, such as a smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, and security and safety services. A method for managing resources for Device to Device (D2D) communication includes: establishing a radio connection with an evolved NodeB (eNB); receiving allocated resources for D2D communication from the eNB through the radio connection; performing the D2D communication by using the allocated resources in an idle state after the radio connection is released; and responsive to receiving a message from the eNB indicating a release of the allocated resources, releasing the allocated resources.

Abstract: A method and apparatus for traffic safety are provided using vehicle driving-related information obtained on the basis of a transmission/reception beam pair of a road side unit (RSU) and a vehicle on-board unit (OBU), thereby reducing a probability that vehicle collisions occur where visual fields may be obscured. The method includes setting a path from a current location of the electronic device to a destination, and transmitting a message indicating an emergency situation to other devices located on the path while moving to the destination. The method further includes determining a transmission/reception beam pair of the electronic device and a road apparatus, using a reference signal received from the road apparatus, transmitting a signal including information for the transmission/reception beam pair to the road apparatus, and receiving, from the road apparatus, a message warning that the electronic device and another neighboring electronic device are approaching each other.

Abstract: A method and apparatus for transmitting and receiving data in a communication system are disclosed and relate to 5th generation (5G) or pre-5G communication system that will be provided to support a higher data transmission rate after the 4G communication system, such as long term evolution (LTE). A method for transmitting data by a transmitting device in a wireless communication system that supports device-to-device (D2D) communication, may include separating, from a piece of video container data, video data and video-related data that is output together with the video data, outputting the video data, and transmitting the video-related data to a receiving device.

Abstract: A method and apparatus for performing a state transition for Device to Device (D2D) communication are provided. The method includes determining whether D2D initiation is required, while a terminal is operating in a first or a second state defined by EPS (Enhanced Packet System) Mobility Management (EMM)-Deregistered and EPS Connection Management (ECM)-IDLE at a Non-Access Stratum (NAS) layer and Radio Resource Control (RRC)-IDLE. If the D2D initiation is required, the method includes transitioning to a third state defined by EMM-Registered and ECM/RRC-Connected and performing the D2D initiation through a mobile communication network. If a deactivation condition is satisfied or a D2D state update is completed in the third state, the method includes transitioning to a fourth state defined by EMM-Registered and ECM/RRC-IDLE, and if a state update or scheduling for D2D communication is required in the fourth state, the method includes transitioning to the third state.

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. Disclosed is a method for receiving data in a wireless communication system, comprising the steps of: receiving, by a terminal, transmission point change information from a first base station connected to a gateway; receiving, by the terminal, the data transmitted from the gateway to the first base station through a second base station serving the terminal; and re-receiving, by the terminal, data, of which the transmission has failed, through a third base station according to a change of a transmission point from the second base station to the third base station on the basis of the transmission point change information, when data transmission from the second base station to the terminal has failed.

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. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.

Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.

Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. The present disclosure provides a communication method by a terminal in a wireless communication system, comprising the operations of: transmitting to a network provider's server information indicating a permission for outputting a banner on a screen of the terminal; receiving from the provider's server a key that is used for filtering a discovery code; receiving the discovery code from one or more access points (AP), and filtering the received discovery code using the key; requesting from the provider's server banner information with respect to the filtered discovery code, and receiving the banner information in response to the request; and outputting a banner on the screen using the received banner information, and transmitting an output report of the banner to the provider's server.

Abstract: A method and apparatus for performing a state transition for Device to Device (D2D) communication are provided. The method includes determining whether D2D initiation is required, while a terminal is operating in a first or a second state defined by EPS (Enhanced Packet System) Mobility Management (EMM)-Deregistered and EPS Connection Management (ECM)-IDLE at a Non-Access Stratum (NAS) layer and Radio Resource Control (RRC)-IDLE. If the D2D initiation is required, the method includes transitioning to a third state defined by EMM-Registered and ECM/RRC-Connected and performing the D2D initiation through a mobile communication network. If a deactivation condition is satisfied or a D2D state update is completed in the third state, the method includes transitioning to a fourth state defined by EMM-Registered and ECM/RRC-IDLE, and if a state update or scheduling for D2D communication is required in the fourth state, the method includes transitioning to the third state.

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 a long term evolution (LTE). A method for providing a service in a first device in a vehicle to everything (V2X) communication system is provided. The method includes transmitting a first message related to the service; receiving, from a second device, a second message notifying that the second device enters a zone related to the service; and transmitting, to the second device, a third message indicating that the first device confirms that the second device enters the zone.

Abstract: Different resources are selected based on QoS, emergency class, location, and SA count. A method for avoiding resource collision by a first User Equipment (UE) in a mobile communication system is provided. The method includes listening to Scheduling Assign (SA) information of a second UE; and selecting different resources between UEs based on the SA information.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE, and subsequent systems. According to one embodiment of the present disclosure, a method by which a transmission device transmits data in a wireless communication system for supporting device-to-device communication comprises the steps of: separating, from one video container data, video data and video-related data simultaneously outputted together with the video data; outputting the video data; and generating a message including the information related to the time at which the video-related data and the video data are outputted, so as to transmit the generated message to a reception device.

Abstract: The present disclosure relates to a device-to-device (D2D) communication for direct communication between nodes in a wireless communication system, wherein an operation method of a terminal includes the steps of: generating sequences, which belong to an orthogonal sequence set, according to a sequence pattern corresponding to a priority of a link; and transmitting the sequences, as signals for measurement of a reception electric power of a counterpart terminal, through sub-blocks within a channel, wherein one sequence is transmitted through each of the sub-blocks.

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 a long term evolution (LTE). A method and apparatus for performing a relay communication are provided. A remote user equipment (UE) according to the present disclosure is configured to acquire a first parameter related to relay load from each of a plurality of relay candidate UEs, to select a relay UE which will perform a relay communication with the remote UE from among the plurality of relay candidate UEs based on the first parameter acquired from each of the plurality of relay candidate UEs, and to perform the relay communication with the selected relay UE. The first parameter is generated based on cellular communication load between a base station (BS) connected to a corresponding relay candidate UE and the corresponding relay candidate UE.

Abstract: A method for allocating resources for Device-to-Device (D2D) communication in a transmitting terminal is provided. The method includes receiving broadcast resource allocation information for the D2D communication from a Base Station (BS), and measuring a channel quality of a downlink signal received from the BS and, if the measured channel quality is smaller than a predetermined threshold, conducting the D2D communication using the resource allocation information.