Abstract: A method and apparatus for performing communication in a wireless communication system are provided. The method includes receiving Measurement Gap (MG) configuration information related to the measurement gap, determining a subframe number specifying a starting point of the measurement gap based on the measurement gap configuration information, starting the measurement gap at an end of a subframe immediately before a subframe of the determined subframe number, performing a predetermined measurement operation during the measurement gap, and performing a predetermined operation in a subframe immediately after the measurement gap based on a duplexing mode of a User Equipment (UE) and a type of the subframe immediately before the measurement gap.

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 disclosed communication technique and system therefor 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 disclosure relates to a method and a device for receiving, by a terminal, broadcast information in a communication system.

Abstract: According to one embodiment of the present specification, a method for reporting performance of a terminal in a mobile communication system includes the steps of: receiving a request for performance reporting from a base station; determining an indicator of whether a delay time related operation that the terminal supports is in correspondence with the request which corresponds to a pre-set condition; and transmitting a message including the determined indicator to the base station. According to one aspect of the present specification, the size of the performance reporting message is minimized in reporting the performance of the terminal.

Abstract: A method is provided for communicating with a User Equipment (UE) supporting a High Power Saving Reception Mode (HPSRM) mode by an evolved Node B (eNB) in a wireless communication system. The method includes receiving. Discontinuous Reception (DRX) cycle information from a network entity performing mobility management for the UE by the eNB communicating with the UE over a wireless link; and broadcasting system information including the DRX cycle information. The DRX cycle information is set longer than DRX cycle information of a UE non-supporting the HPSRM mode. By doing so, an efficient paging method for an UE operating in the HPSRM mode may be provided.

Abstract: An image sensor includes phase difference detection pixels including first group pixels each having a first shield region deviated at one side and second group pixels each having a second shield region deviated at the other side, and image detection pixels arranged in a lattice pattern together with the phase difference detection pixels. The phase difference detection pixels include a first pixel group configured such that an area of the first shield region is equal to that of the second shield region, a second pixel group configured such that the area of the first shield region is equal to or greater than that of the second shield region, and a third pixel group configured such that the area of the first shield region is equal to or less than that of the second shield region.

Abstract: A method and base station in a wireless communication system are provided. The method includes transmitting, to a terminal, system information including information associated with a sub-frame configuration of multimedia broadcast multicast service single frequency network (MBSFN) sub-frames, identifying whether the transmission mode of the terminal is a first transmission mode or a second transmission mode, transmitting, to the terminal, dedicated message including configuration information of the identified transmission mode of the terminal, transmitting, to the terminal, control information in a physical downlink control channel (PDCCH) and data in a physical downlink shared channel (PDSCH) in a first sub-frame of the MBSFN sub-frames, if the terminal is configured in the first transmission mode, and transmitting, to the terminal, the control information in the PDCCH and the data in the PDSCH in a second sub-frame of a non-MBSFN sub-frames, if the terminal is configured in the second transmission mode.

Abstract: A method and apparatus for avoiding in-device interference in a terminal equipped with multiple heterogeneous communication modules (e.g. Long Term Evolution (LTE), Wireless Local Area Network (WLAN), Bluetooth, and Global Positioning System (GPS) modules) are provided. The method includes one of detecting and predicting interference caused by the second communication module to communication of the first communication module, transmitting an interference occurrence information message to a base station for controlling to avoid the interference, and controlling to avoid the interference by executing one of a handover and discontinuous reception according to a control command included in an interference occurrence information response message transmitted by the base station.

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 base station in a wireless communication system are provided. The method includes transmitting, to a terminal, system information including information associated with a sub-frame configuration of multimedia broadcast multicast service single frequency network (MBSFN) sub-frames, identifying whether the transmission mode of the terminal is a first transmission mode or a second transmission mode, transmitting, to the terminal, dedicated message including configuration information of the identified transmission mode of the terminal, transmitting, to the terminal, control information in a physical downlink control channel (PDCCH) and data in a physical downlink shared channel (PDSCH) in a first sub-frame of the MBSFN sub-frames, if the terminal is configured in the first transmission mode, and transmitting, to the terminal, the control information in the PDCCH and the data in the PDSCH in a second sub-frame of a non-MBSFN sub-frames, if the terminal is configured in the second transmission mode.

Abstract: method is provided for communicating with a User Equipment (UE) supporting a High Power Saving Reception Mode (HPSRM) mode by an evolved Node B (eNB) in a wireless communication system. The method includes receiving Discontinuous Reception (DRX) cycle information from a network entity performing mobility management for the UE by the eNB communicating with the UE over a wireless link; and broadcasting system information including the DRX cycle information. The DRX cycle information is set longer than DRX cycle information of a UE non-supporting the HPSRM mode. By doing so, an efficient paging method for an UE operating in the HPSRM mode may be provided.

Abstract: Methods and apparatuses are provided for communication between a user equipment (UE) and a node B in a communication system. The UE generates a media access control protocol data unit (MAC PDU) including at least one field related to an amount of data, if the data becomes available for transmission. The MAC-PDU including the at least one field related to the amount of data is transmitted to the node B. Grant information is received from the node B. The data is transmitted to the Node B based on the grant information. Each of the at least one field related to the amount of data corresponds to a respective identifier.

Abstract: A method and apparatus for configuring Power Headroom Report (PHR) of a User Equipment (UE) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a LCID for identifying extended PHR and L indicating a length of the extended PHR, and inserting Power Headrooms (PHs) of multiple activated carriers into the extended PHR of one of the carriers.

Abstract: The present disclosure relates to 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), and may be applied to intelligent services, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method according to disclosed aspects includes receiving a first control message including a first random access response window for a first cell group, receiving a second control message for adding a second cell group, including information on a second random access response window size for the second cell group, transmitting, on a cell of the second cell group, a random access preamble, and monitoring, on the cell of the second cell group, a random access response based on the second random access response window size for the second cell group.

Abstract: A method and an apparatus for performing random access and uplink transmission of a User Equipment (UE) supporting Carrier Aggregation (CA) are provided. The method includes determining whether a Scheduling Request (SR) is pending, determining, when the SR is pending, whether an uplink transmission resource is available in a current Transmission Time Interval (TTI), determining, when the uplink transmission resource is not available, whether a Physical Uplink Control Channel (PUCCH) resource is configured for transmission of the SR, and initiating, when the PUCCH resource is not configured, a random access process in a primary cell. The random access method and apparatus of the present invention is advantageous to reduce the waste of transmission resources.

Abstract: A method and an apparatus for performing random access and uplink transmission of a User Equipment (UE) supporting Carrier Aggregation (CA) are provided. The method includes determining whether a Scheduling Request (SR) is pending, determining, when the SR is pending, whether an uplink transmission resource is available in a current Transmission Time Interval (TTI), determining, when the uplink transmission resource is not available, whether a Physical Uplink Control Channel (PUCCH) resource is configured for transmission of the SR, and initiating, when the PUCCH resource is not configured, a random access process in a primary cell. The random access method and apparatus of the present invention is advantageous to reduce the waste of transmission resources.

Abstract: A method and an apparatus for generating a sequence including a demodulation reference signal (DM RS) and a preamble in device-to-device (D2D) communications are provided. The method includes obtaining, by a controller of an apparatus, a synchronization identify of a synchronization signal used for the D2D communication, obtaining a group identify of a communication group where a terminal belongs, generating a DM RS sequence for the D2D communication based on at least one of the synchronization identity and the group identity, mapping the DM RS sequence to predetermined symbol positions in a subframe, and transmitting the DM RS sequence from the terminal through the subframe.

Abstract: According to one embodiment of the present specification, a method for reporting performance of a terminal in a mobile communication system includes the steps of: receiving a request for performance reporting from a base station; determining an indicator of whether a delay time related operation that the terminal supports is in correspondence with the request which corresponds to a pre-set condition; and transmitting a message including the determined indicator to the base station. According to one aspect of the present specification, the size of the performance reporting message is minimized in reporting the performance of the terminal.

Abstract: The present invention proposes a method for activating secondary carriers in addition to the primary carrier in a wireless communication system supporting carrier aggregation technology. Through the present invention, the UE sorts the operations for activating an SCell into two groups that are executed at different timings, thereby facilitating communication without malfunctioning.

Abstract: Disclosed is a method for performing a random access in a wireless communication, including identifying a channel condition and a size of a message that a user equipment will transmit after a transmission of a preamble, selecting a first preamble set from at least two preamble sets if the channel condition is greater than a first threshold and the size of the message is greater than a second threshold, selecting a preamble from the selected first preamble set if the first preamble set is selected, transmitting, to a base station, the selected preamble, receiving, from the base station, a random access response message including resource allocation information in response to the transmission of the selected preamble, and transmitting, to the base station, the message based on the resource allocation information.

Abstract: The present disclosure provides a method for cell reselection in a wireless communication system in which various radio access technologies (RATs) coexist with each other. In a wireless communication system in which heterogeneous networks coexist with each other, the method of cell reselection between heterogeneous networks for a user equipment may include: receiving a system information block (SIB) containing cell reselection parameters from a corresponding base station; checking whether cell reselection parameters based on a cell selection quality value (Squal) are configured in the received SIB; and performing, when cell reselection parameter based on Squal are not configured, cell reselection based on a cell selection receive level value (Srxlev). The present disclosure may prevent the user equipment from performing unnecessary cell reselection.