Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate beyond a 4G communication system such as LTE. A method for controlling relay traffic by a base station in a wireless communication system supporting device to device (D2D) communication according to an embodiment of the present invention comprises checking whether received traffic is relay traffic; if the received traffic is the relay traffic, identifying a port number in each cluster of the relay traffic; determining the priority of the relay traffic according to the port number; and transmitting, to a relay terminal, a packet based on the determined priority.

Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.

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: A method of communicating with a User Equipment (UE) through a multipath transmission control protocol is provided. The method includes receiving information, by a first node, on a packet requested by the UE and information on a buffer state of the UE from the UE, exchanging, by the first node, information on a packet to be transmitted/received to/from each of one or more second nodes, determining, by the first node, a combination of packets which maximizes a coding gain and throughput of the UE and a transmission sequence by using the exchanged information on the packet, and transmitting, by the first node, packets to the UE according to the determined combination of the packets and the transmission sequence.

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: An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station.

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: An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station.

Abstract: A method of determining member Base Stations (BSs) providing cooperative communication to a Mobile Station (MS) in a communication system. The method includes when a candidate list of the member BSs generated using at least one of strengths of signals received from adjacent BSs and cell loading state information of the adjacent BSs is received from the MS, selecting candidate BSs having a service quality larger than or equal to a threshold from candidate BSs included in the candidate list as targets to receive a member negotiation; and performing a capability negotiation with each of the selected targets to receive the member negotiation to select final member BSs and transmitting information on the determined final member BSs to the MS.

Abstract: A method for processing a first node to configure a neighbor network in a wireless communication system including the first node and one or more second nodes neighboring the first node. The method includes generating discovery information; and broadcasting the generated discovery information to one or more of the second nodes. The discovery information includes information of the first node, an indicator indicating whether to receive the discovery information and accept the relay of the received discovery information to other nodes, and a hop limit indicating the number of available relays of the discovery information. A value of the indicator is set through an input of a user.

Abstract: The present disclosure relates to 5th generation (5G) or pre-5G communication systems to support a higher data rate than the long term evolution (LTE) or other 4th generation (4G) communication systems. A method for transmitting data in a communication system is provided. The method includes identifying, by a station (STA) communicating with a first access point (AP), a resource for performing communication with a second AP positioned adjacent to the STA based on information regarding a capability of the STA, performing the communication with the second AP using the resource, and transmitting data obtained by performing the communication with the second AP to the first AP. The information regarding the capability includes one of information regarding multiple antennas available on the STA, information regarding a base-band processing unit including the multiple antennas, or information regarding a modem including the multiple antennas and the base-band processing unit.

Abstract: The objective of the present invention is to provide services by effectively switching, by a terminal, a macro cell and a small cell on the basis of time in a communication system in which the macro cell and the small cell coexist. A method for operating a terminal in a wireless communication system comprises the steps of: transmitting, to a first base station and/or a second base station, information on a switching delay time required for the terminal to perform cell switching; and communicating through a resource of the first base station and a resource of the second base station which are allocated by considering the switching delay time.

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). The purpose of the present disclosure is to discover a small cell in a wireless communication system. An operation of a terminal in the wireless communication system includes receiving a first signal for informing of existence of a small cell according to a first measurement period and attempting to detect the first signal and a second signal for informing of a service coverage of the small cell according to a second measurement period after detecting the first signal. In addition, the present disclosure also includes embodiments other than the embodiment described above.

Abstract: The present invention relates not only to a 4th-generation (4G) communication system such as long term evolution (LTE) but also to a 5th-generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate. According to the present invention, a first user equipment (UE) is configured to transmit, to a base station, a request message comprising information indicating that a discovery message is to be transmitted through a data channel and information on the amount of data related to the discovery message, receive, from the base station, a control message comprising information on a resource allocated to transmit the discovery message and information indicating that the control message comprises information for the transmission of the discovery message, and transmits the discovery message to a second UE through the data channel based on the control message.

Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

Abstract: In a method for sharing driving images of a second vehicle by a first terminal, which communicates with a first vehicle, in a communication system, the present invention comprises the steps of: storing routes by time of the first vehicle; receiving a first message, for notifying an occurrence of an accident or a hazardous situation, from an electronic device of the first vehicle; if the first message is received, selecting a first route of predetermined time from the stored routes; and transmitting a second message for requesting image information related to the first route among the driving images of the second vehicle.

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. Provided in the present disclosure is a relay-based communication method for a communication terminal provided in a vehicle, comprising the steps of: acquiring global positioning system (GPS) coordinates of the vehicle; determining a traveling direction of the vehicle on the basis of map information and the GPS coordinates; sensing a traveling lane of the vehicle; generating a location code including information on the GPS coordinates, the traveling direction, and the traveling lane; and generating a message, which includes the generated location code, and transmitting the message.

Abstract: Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information.