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: The present invention provides a method and apparatus for performing device-to-device communication in a wireless communication system. The method includes generating identification information of a D2D user equipment that supports the D2D communication as identification information for D2D discovery using a hash function, the identification information for discovery includes information of a first length for indicating a division region of the beacon signals and information of a second length included in the beacon. The information of a first length and the information of a second length are smaller than identification information of the D2D user equipment. Accordingly, by performing discovery for the D2D user equipment through the identification information having shorter length than prior art, and performing discovery in a range where the discovery is available through the region in which the beacon signals are allocated, advantages of performing the D2D discovery effectively are provided.

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: A 5th generation (5G) or a pre-5G communication system to support a higher data transmission rate than a system after a 4th generation (4G) communication system such as long-term evolution (LTE) is provided. A method of determining a carrier sense threshold by one source terminal in a wireless communication system is provided. The method includes identifying whether one or more interferer terminals and one or more destination terminals exist for one source terminal, and if the terminals exist, determining a carrier sense threshold of each of the one or more interferer terminals and the one or more destination terminals based on an interference intensity received from the one or more destination terminals and a feedback link margin.

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: 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: Disclosed herein are a method and apparatus for transmitting and receiving discovery messages in a wireless communication system. Specifically, a method for transmitting and receiving discovery messages in a wireless communication system supporting communication between user equipments (UEs) includes receiving, by a UE in a Radio Resource Control_IDLE (RRC_IDLE) state, information about an allocated resource for transmitting a discovery message from a network and transmitting, by the UE, the discovery message in the resource for transmitting the discovery message. The resource for transmitting the discovery message may be allocated based on a tracking area in which the device is located.

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 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: 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: 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 transmitting a discovery message in the discovery resource region, and transmitting the discovery message to second user equipment through the selected discovery resource. The selected discovery resource includes a discovery resource having a received energy level corresponding to a threshold value or less or a threshold value or higher.

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: A method of communication based on a receive chain control, performed by a receiver, in a wireless local area network is provided. The method includes: receiving a frame from a transmitter, the frame indicating a multi receive chain operation, activating at least one receive chain, each receive chain processing a received signal transmitted through each spatial stream, and receiving at least one data field from the transmitter through the at least one activated receive chain.

Abstract: The present invention relates to a method and device for channel measurement in a wireless LAN system. A station (STA) receives a plurality of sounding frames from an access point (AP), estimates the plurality of sounding frames in order to generate long-term channel state information (LCSI), provides the generated LCSI to the AP as feedback, and receives from the AP a group identifier (ID) management frame comprising information on a group ID determined on the basis of the LCSI.

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: The present invention provides a method and apparatus for performing device-to-device communication in a wireless communication system. The method includes generating identification information of a D2D user equipment that supports the D2D communication as identification information for D2D discovery using a hash function, the identification information for discovery includes information of a first length for indicating a division region of the beacon signals and information of a second length included in the beacon. The information of a first length and the information of a second length are smaller than identification information of the D2D user equipment. Accordingly, by performing discovery for the D2D user equipment through the identification information having shorter length than prior art, and performing discovery in a range where the discovery is available through the region in which the beacon signals are allocated, advantages of performing the D2D discovery effectively are provided.

Abstract: The present invention provides a method and an apparatus for performing a device-to-device (D2D) communication service 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 a discovery timing is established depending on the discovery group, wherein the D2D terminals belonging to the same discovery group are shifted to an active state during the discovery timing so as to transreceive signals by using time and frequency resources designated for D2D discovery, wherein the discovery timing is set so as to have a variable value depending on the discovery group.

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: Disclosed are a base station and mobile station to adaptively control a bandwidth of a channel. The base station includes a state information recognition unit to recognize neighboring-state information related with a traffic load of at least one neighboring network adjacent to a target network, a control state information transmitting unit to transmit control state information related with the controlled bandwidth of the target channel to mobile stations of the target network, and a bandwidth control unit to control a bandwidth of a target channel used in the target network according to a bandwidth of a channel used in the neighboring network based on the neighboring-state information.

Abstract: In the data transmission method, a MAC layer receives data from an upper layer, classifies the data according to destination addresses and traffic identifiers, aggregates the data by destination address and traffic identifier as a first transmission unit, aggregates the first transmission units having the identical destination address as a second transmission unit, and transmits the second transmission units having different destination addresses in a single frame. The data transmission method allows packets transferred from the upper layer to be hierarchically aggregated by DAs and TIDs and then packaged into a data unit for each destination such that it is possible to transmit the data at an optimal data rate for each destination terminal.