Abstract: A link scheduling method in a system for performing Device-to-Device (D2D) communication includes periodically collecting information indicating whether to perform a medium access from at least one neighboring link determining at least one link expected to perform a medium access in a corresponding traffic slot among links with a higher priority than the terminal based on the collected information, and determining whether to perform the medium access of the terminal by considering only the at least one link expected to perform the medium access.

Abstract: A fifth generation (5G) or pre-5G communication system for supporting higher data transmission rate after a fourth generation (4G) communication system, such as long term evolution (LTE) is provided. A method of transmitting data by a transmitting device in a wireless communication system using a shared band includes determining a first length of a next time period for determining a next data transmission in the shared band based on at least one of link information configured with at least two receiving devices, and a measurement value of the transmitting device, determining whether a channel of the shared band is occupied in the next time period, and transmitting next data according to a result of the determinations.

Abstract: A method capable of searching for a surrounding device based on a desired service is provided. The method includes transmitting a service search request including information regarding a target service to nearby devices; receiving a service search response from the nearby device supporting the target service; analyzing service information of the nearby device supporting the target service, which is included in the service search response; selecting the nearby device supporting the target service based on a result of the analyzed service information; and performing the target service by establishing a session with the selected device.

Abstract: The present disclosure relates to a 5th Generation (5G) or pre-5G communication system supporting a higher data transfer rate after a 4th Generation (4G) communication system such as Long Term Evolution (LTE). In particular, a method and an apparatus for controlling communication of a terminal in a wireless communication system are provided. The method includes receiving information regarding an operation of a second system by using a first communication module configured to support a first system and controlling an activation state of a second communication module configured to support the second system, based on the information regarding the operation of the second system.

Abstract: Methods and apparatuses are provided for operating multi-type beacons by a first terminal connected with a second terminal through wireless communication. The first terminal receives, from the second terminal, information required for allocating a beacon type. The first terminal selects a beacon type for the second terminal from predetermined beacon types based on at least one variable in the information. The at least one variable includes at least one of a channel condition of a communication link between the first terminal and the second terminal, a traffic period of the communication link, and a security level of transmission and reception data. Each variable includes a priority. The first terminal allocates a beacon to the second terminal based on the priority of each variable. The beacon has the beacon type. The beacon allocated to the second terminal is transmitted from the first terminal to the second terminal.

Abstract: A wireless charging method and apparatus wirelessly charges power between separate electronic appliances. The wireless charging method includes searching for at least one chargeable electronic device, receiving status information from the searched at least one electronic device, determining whether the electronic device is a power supply electronic device or a power demand electronic device, receiving a supply of power from the searched at least one electronic device if the electronic device is determined to be the power demand electronic device, and supplying the power to the at least one electronic device if the electronic device is determined to be the power supply electronic device.

Abstract: The present invention relates to a two-step search procedure for D2D communication. A method for D2D communication includes: obtaining a discovery code and a multicast identifier to be used for transmitting additional information on an application program through a D2D multicast subframe, based on an identifier of an application program of a device; and broadcasting the discovery code and the multicast identifier in a discovery subframe.

Abstract: A method for performing discovery at a terminal in a communication system is provided. The method includes generating a discovery request message including discovery target information, transmitting the discovery request message to a Proximity Service (ProSe) server that is located in a core network of the communication system and that manages communication of the terminal, and receiving a result of a discovery operation from another entity that performs the discovery operation of the terminal using discovery identification information about the terminal. The other entity is selected based on the discovery target information by the ProSe server.

Abstract: A method and an apparatus for synchronization for Device-to-Device (D2D) communication in unlicensed frequency bands are provided. The method includes determining whether a signal is detected during a preset time period within a synchronization period, after transmitting a synchronization signal during the synchronization period for the D2D communication, when it is determined that the D2D communication is to be performed, and starting the time period for the D2D communication and performing the D2D communication during the time period for the D2D communication, when it is determined that the signal is not detected.

Abstract: A method of manufacturing a semiconductor device is disclosed. In the method, a substrate having a first surface and a second surface is provided. The second surface is opposed to the first surface. A via hole is formed to penetrate the substrate from the first surface toward the second surface. The via hole includes a first portion and a second portion. The first portion has a first sidewall which is substantially perpendicular to the first surface. The second portion has a second sidewall which gradually decreases from the first surface toward the second surface, and has a bottom surface that substantially flat. A seed pattern is formed on the first sidewall of the first portion, the second sidewall of the second portion and the bottom surface of the second portion of the via hole. A first thickness (Vt) of the seed pattern on the first sidewall of the first portion is less than a second thickness (VIt) of the seed pattern on the second sidewall of the second portion.

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 device-to-device (D2D) communication-based service for an isolated user equipment (IUE) by a relay user equipment (RUE) in a mobile communication system is provided. The method includes establishing a D2D link with an IUE; and supporting establishment of a relay cellular link for the IUE based on the established D2D link, wherein the RUE is within a service coverage of an enhanced node B (eNB).

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). The present invention relates to a method for selecting, by a device, a peer discovery resource (PDR) in a device-to-device (D2D) communication system, the method comprising the steps of: determining a PDR selection range which can be selected by the device; and selecting a PDR in the determined PDR selection range.

Abstract: In order to generate multiple-access signals, each transmitter transmits information by using all or a part of channel resources. The signal of each transmitter is mapped to an OFDM time-frequency resource space as a trellis modulation path. A mobile communication system maps trellis modulation paths of a plurality of transmitters to the same resource space. In order to effectively detect and distinguish signals of a plurality of transmitters transmitted through the same channel resource space, a receiver uses a message passing method between symbols and a path connection method. The receiver uses a state space expansion method, a backward pre-decoding method, and a successive interference cancellation method to more efficiently reconstruct a discovery signal.

Abstract: An apparatus is configured to perform a method for performing distributed scheduling by a reception device configuring a target link corresponding to one of a plurality of links in a network in which the plurality of links for device to device communication exist. The method includes adding up resource allocation demand amounts included in resource information broadcasted by a counterpart device configuring the target link and one or more adjacent transmission devices by a preset Resource Unit (RU), and adjusting self resource information in consideration of resource position information included in the broadcasted resource information and the added resource allocation demand amount and transmitting the adjusted self resource information to the counterpart transmission device.

Abstract: Disclosed is a method of controlling a communication system including one or more sensors attached to a user, a wireless communication apparatus, and a coordinator.

Abstract: A device and a method for performing Device to Device (D2D) communication in a wireless communication system are provided. The method includes transmitting information on a self-frequency band selected from all frequency bands for the D2D communication, to the second mobile station, receiving information on a counterpart-frequency band selected for the D2D communication, from the second mobile station, determining transmission and reception frequency bands to be used for the D2D communication, based on the information on the self-frequency band and the information on the counterpart-frequency band, transmitting data to the second mobile station in the determined transmission frequency band, and receiving data from the second mobile station in the determined reception frequency band.

Abstract: Disclosed is a control method of a communication system including at least one sensor that a user wears, a wireless communication apparatus and a coordinator.

Abstract: An electronic device and method are disclosed, the electronic device including an output module, a communication module configured to allow communication with at least one of a first electronic device and an external electronic device, and at least one processor, which implements the method, including receiving exercise portion information from a first electronic device, receiving exercise amount information from a second electronic device, and determining exercise information including a respective amount of exercise for each exercise portion based on at least the received exercise portion information and the received exercise amount information, and controlling the output module to output the exercise information.

Abstract: Short range wireless communication is provided. A first node included in a Wireless Body Area Network (WBAN) communicates with at least one neighboring second node. The first node transmits or receives data to or from at least one device node connected to the first node during a time division communication period, using a super-frame in which the time division communication period, a time division schedule advertisement message transmission period, and a Contention Access Period (CAP) are sequentially arranged. The first node broadcasts a time division schedule advertisement message of the first node to the at least one second node during the time division schedule advertisement message transmission period within the super-frame.

Abstract: The present disclosure relates to a pre-5G or 5G communication system to be provided for supporting higher data rates beyond a 4G communication system, such as Long Term Evolution (LTE). Disclosed are a method and an apparatus for performing interleaving by using an identical interleaving bit generation method in multiple interleavers included in a communication system. The present disclosure provides a method for interleaving an input bit sequence by an interleaver of a multiple access communication system. The method includes setting a common parameter used by multiple interleavers; setting a unique parameter for the interleaver in view of a correlation between bit sequences which are input to the multiple interleavers; and interleaving the input bit sequence by using prime-power depending on the common parameter and the unique parameter.