Abstract: The present disclosure relates to a 5G or pre-5G communication system to be provided in order to support higher data rates after a 4G communication system, such as an LTE system. A method for receiving buffer status information by an access point in a wireless communication system is provided. In the method, a contention sub-slot and a dedicated sub-slot are determined for each station connected to the access point, a data trigger action frame is generated based on a first element including allocation information on the dedicated sub-slot to be used by a related station in a buffer status report (BSR) phase where each of the stations transmits buffer status information to the access point, the generated data trigger action frame is broadcasted to the stations, and a BSR frame transmitted based on the data trigger action frame is received from each of the stations.

Abstract: The present invention relates to a method for reducing power consumption of a wireless terminal, comprising the operations of: when receiving a triggering packet from the wireless terminal, estimating parameters related to reduction of the power consumption of the wireless terminal; when receiving a condition including a required reduction amount for the power consumption, determined on the basis of the parameters, and time delay related information, setting a clustering cycle corresponding to the condition; and performing a wireless communication with the wireless terminal on the basis of the clustering cycle.

Abstract: According to one embodiment of the present disclosure, a communication method of an AP using multiple antennas can be provided, comprising the steps of: setting two or more transmission descriptors including unit transmission information in which antenna combination information and transmission rate information are defined; transmitting a packet using one of the set transmission descriptors; receiving information indicating whether the transmitted packet is a success or not; and collecting the information indicating whether the transmitted packet is a success or not for a predetermined period to reset the transmission descriptors. In addition, an apparatus using the method can be provided.

Abstract: Disclosed are a method for controlling power and an apparatus therefor in a wireless communication system supporting device-to-device (D2D) communication. Specifically, a method for a terminal for controlling the transmission power of a physical sidelink discovery channel (PSDCH) in a wireless communication system supporting D2D communication comprises the steps of: calculating the sum of reception strengths of the total number of PSDCHs received from a set PSDCH reception period; and transmitting the PSDCH, wherein if the sum of reception strengths of the total number of PSDCHs is greater than a previously set threshold value, then the PSDCH to be transmitted is transmitted under the transmission power controlled by the terminal, and if the sum of reception strengths of the total number of PSDCHs is less than a previously set threshold value, then the PSDCH to be transmitted can be transmitted under the maximum transmission power.

Abstract: Disclosed herein are a method and apparatus for sending a discovery message in a wireless communication system. Specifically, a method for transmitting a discovery message in a wireless communication system supporting communication between user equipments (UEs) may include receiving, by a UE, discovery resource area configuration information from an evolved NodeB (eNB), determining, by the UE, the discovery resource area of the UE based on the discovery resource area configuration information and a value measured using a Reference Signal (RS) received from the eNB, selecting, by the UE, a discovery resource for transmitting a discovery message within the determined discovery resource area, and transmitting, by the UE, the discovery message in the selected discovery resource, wherein the discovery resource area configuration information comprises mapping information between the discovery resource area and the value measured by the UE using the RS.

Abstract: A method for performing positioning for estimating position in a wireless communication system according to the present invention comprises transmitting, by a first UE, a positioning request message for performing the positioning to an eNB; transmitting, by the eNB, an anchor request message to neighboring UEs within a cell to find UEs which may become a second UE; receiving, the eNB, an anchor response message corresponding to a response to the anchor request message from at least one UE from among neighboring UEs within the cell; and determining, by the eNB, the second UE based on the received anchor response message.

Abstract: The present invention discloses a method for reducing interference in a wireless communication system supporting D2D communication and an apparatus for the method. More specifically, in a wireless communication system supporting Device-to-Device (D2D) communication, a method for reducing interference in D2D communication comprises receiving, by a user equipment (UE), a D2D signal; determining, by the UE, whether interference is generated from resources in which the D2D signal has been transmitted; and in case it is determined that interference is generated from the resources in which the D2D signal has been transmitted, transmitting, by the UE, interference resource information for indicating that interference has been generated from the resources in which the D2D signal has been transmitted.

Abstract: The present invention discloses a method for transmitting a discovery message in a wireless communication system and an apparatus for the method. More specifically, a method for transmitting a discovery message in a wireless communication system supporting communication between user equipments (UEs) comprises estimating, by a UE, an energy level over an energy detection interval configured within a discovery resource pool; determining, by the UE, a discovery resource region of the UE on the basis of the estimated energy level; selecting, by the UE, a discovery resource for transmitting a discovery message within the determined discovery resource region; and transmitting, by the UE, the discovery message from the selected discovery resource.

Abstract: The present invention provides a method and an apparatus performing device-to-device (D2D) communication in a wireless communication system. More particularly, D2D terminals supporting D2D communication are identified, discovery groups are formed for the D2D terminals using the same application, and discovery timing is established depending on the discovery group such that D2D terminals belonging to the same discovery group are shifted to an active state during the discovery timing in order to transceive signals by using time and frequency resources designated for D2D discovery with the discovery timing having a variable value depending on the discovery group.

Abstract: A method for controlling an electronic apparatus and a method therefor are disclosed. The electronic device may be configured as a master device configured to control a piconet in a wireless communication network including a plurality of piconets. The controlling method includes periodically receiving, from an external coordinator device, radio frequency channel state information, virtual address information, and clock information corresponding to the piconet allocated by the coordinator device, and performing wireless data communication based on the radio frequency channel state information, the virtual address information, and the clock information.

Abstract: A method for terminal clustering in a wireless communication system supporting D2D (Device-to-Device) communication and an apparatus supporting the method are disclosed. More specifically, a method for a user equipment (UE) to perform UE clustering in a wireless communication system supporting D2D communication comprises determining an initial preference value, determining an initial preference triplet by performing an AP (Affinity Propagation) method by increasing or decreasing the preference value, updating a preference triplet through a GSS (Golden Section Search) method based on the initial preference triplet, determining a final preference value for minimizing energy consumption of the entire UEs from the updated preference triplet; and determining a head UE and member UEs belonging to the head UE by performing the AP method by using the final preference value.

Abstract: A secondary battery includes an electrode assembly, and a laminate exterior case accommodating the electrode assembly, the laminate exterior case including a pair of long side curve portions spaced apart from each other, a pair of short side curve portions spaced apart from each other, curvature radii of the long side curve portions being larger than those of the short side curve portions, and corner curve portions between respective long side curve portions and short side curve portions.

Abstract: This specification provides a method for performing a discovery procedure in a wireless communication system supporting device to device (D2D) communication. The method is performed by first user equipment and includes monitoring a discovery resource region, selecting a discovery resource for sending a discovery message in the discovery resource region, and transmitting the discovery message to second user equipment through the selected discovery resource. The discovery resource region includes a first discovery resource region and a second discovery resource region.

Abstract: The present invention relates to an apparatus and method for power saving of a terminal in a wireless communication system and, particularly, to an apparatus and method for power saving of a terminal in a wireless LAN system.

Abstract: A method of manufacturing a semiconductor device includes forming a preliminary fin-type active pattern extending in a first direction, forming a device isolation pattern covering a lower portion of the preliminary fin-type active pattern, forming a gate structure extending in a second direction and crossing over the preliminary fin-type active pattern, forming a fin-type active pattern having a first region and a second region, forming a preliminary impurity-doped pattern on the second region by using a selective epitaxial-growth process, and forming an impurity-doped pattern by injecting impurities using a plasma doping process, wherein the upper surface of the first region is at a first level and the upper surface of the second region is at a second level lower than the first level.

Abstract: A method for terminal clustering in a wireless communication system supporting D2D (Device-to-Device) communication and an apparatus supporting the method are disclosed. More specifically, a method for a user equipment (UE) to perform UE clustering in a wireless communication system supporting D2D communication comprises determining an initial preference value, determining an initial preference triplet by performing an AP (Affinity Propagation) method by increasing or decreasing the preference value, updating a preference triplet through a GSS (Golden Section Search) method based on the initial preference triplet, determining a final preference value for minimizing energy consumption of the entire UEs from the updated preference triplet; and determining a head UE and member UEs belonging to the head UE by performing the AP method by using the final preference value.

Abstract: A method for performing positioning for estimating position in a wireless communication system according to the present invention comprises transmitting, by a first UE, a positioning request message for performing the positioning to an eNB; transmitting, by the eNB, an anchor request message to neighboring UEs within a cell to find UEs which may become a second UE; receiving, the eNB, an anchor response message corresponding to a response to the anchor request message from at least one UE from among neighboring UEs within the cell; and determining, by the eNB, the second UE based on the received anchor response message.

Abstract: Disclosed are a method for controlling power and an apparatus therefor in a wireless communication system supporting device-to-device (D2D) communication. Specifically, a method for a terminal for controlling the transmission power of a physical sidelink discovery channel (PSDCH) in a wireless communication system supporting D2D communication comprises the steps of: calculating the sum of reception strengths of the total number of PSDCHs received from a set PSDCH reception period; and transmitting the PSDCH, wherein if the sum of reception strengths of the total number of PSDCHs is greater than a previously set threshold value, then the PSDCH to be transmitted is transmitted under the transmission power controlled by the terminal, and if the sum of reception strengths of the total number of PSDCHs is less than a previously set threshold value, then the PSDCH to be transmitted can be transmitted under the maximum transmission power.

Abstract: A method for estimating a battery consumption state of a mobile communication terminal is provided. The method includes building a database with battery characteristic information changing according to at least one of a temperature and an aging characteristic of a battery supplying power to the mobile communication terminal, and estimating a power consumption of the mobile communication terminal and a battery drain rate based on the battery characteristic information and displaying estimated information.

Abstract: A random access method may include receiving a random access preamble that is uniquely allocated to a User Equipment (UE) from the UE on an extended-Physical Random Access Channel (e-PRACH) and identifying the UE based on the random access preamble.