Abstract: Provided is a method and a device for precoding in a wireless communication system. The method for precoding comprises the following steps: generating a first precoding matrix, W1, for deciding the transmission power of one transmission antenna from a plurality of transmission antennas as the maximum power per antenna; generating a zero forcing (ZF) precoding matrix, Ti, which does not influence the transmission antenna having the power which is decided as the maximum power per antenna, based on the (i?1)th precoding matrix Wi?1 (i=2,3, . . .

Abstract: Provided is a method and a device for generating a precoding matrix in a wireless communication system. The method for generating the precoding matrix comprises a step of receiving from a terminal feedback including information on the error angle ? of channel direction information (CDI), which indicates the direction of a channel direction vector, and a step of generating the precoding matrix based on the information on the error angle ? of the CDI, wherein the error angle ? of the CDI indicates the angle between the channel direction vector and a quantized channel direction vector, and includes at least one of a channel quantization error component, a channel feedback delay error component, and a channel estimation error component.

Abstract: A mobile terminal and its unit conversion method are disclosed. When a unit conversion function is selected through a menu manipulation by a user, the selected unit conversion function is executed, and then, when a unit conversion factor for a unit conversion is selected, a reference unit related to the selected unit conversion factor is converted into two or more different units and the converted information is displayed in the form of a unit scale. The unit conversion factor includes volume, area, distance, speed, currency, mass, weight, dimension, and the like.

Abstract: A non-volatile memory device according to an aspect of the present disclosure includes a substrate, a plurality of word lines stacked over the substrate and having a stepwise pattern, wherein the plurality of word lines each have a pad region, and a plurality of contact plugs coupled to the respective pad regions of the word lines, wherein a width of a pad region of a first one of the plurality of word lines is greater than a width of a pad region of a second word line lower than the first word line.

Abstract: A feedback method for interference alignment in wireless network having K transmitters and K receivers is provides. The method comprising: transmitting, performed by transmitter n?1, a precoding vector of transmitter n?1 (n is a integer between 2 and K?1) to receiver n+1; calculating, performed by the receiver n+1, a precoding vector of transmitter n using the precoding vector of transmitter n?1; and transmitting, performed by the receiver n+1, the precoding vector of transmitter n to transmitter n.

Abstract: A power control method for interference alignment in wireless network having K transmitters and K receivers is provided. The method comprising: receiving, performed by receiver n (n is an integer, 1?n?K?1), a power indication signal of transmitter n+1 from the transmitter n+1; determining, performed by the receiver n, power of transmitter n; and transmitting, performed by the receiver n, a power indication signal of transmitter n to the transmitter n, wherein the power of transmitter n is determined based on a residual interference of the receiver n, and the power indication signal of transmitter n indicates a minimum transmission power or a maximum transmission power of transmitter n.

Abstract: A method for interference alignment in wireless network having 3 transmitters and 3 receivers which are equipped with M antennas is provided. The method comprising: transmitting, performed by each of the 3 transmitters, a pilot signal known to the 3 receivers; estimating, performed by each of the 3 receivers, each channel from transmitter; transmitting, performed by each of the 3 receivers, feedback information to target transmitter; and determining, performed by transmitter 2 and transmitter 3, a precoding vector; wherein a degree of freedom(DoF) of a transmitter 1 is (M/2??), a DoF of the transmitter 2 or the transmitter 3 is M/2.

Abstract: A method of controlling a mobile terminal, the method including displaying, via a display on the mobile terminal, a list of contacts included on the mobile terminal, selecting, via an input unit on the mobile terminal, a first contact included in the list of contacts, accessing, via a wireless communication unit, a web site corresponding to the first contact, displaying, on the display, a list of contacts of the first contact included on the web site corresponding to the first contact without displaying personal contact information for the list of contacts of the first contact, selecting, via the input unit, a second contact from the list of contacts of the first contact, displaying, via the display, a plurality of options for communicating with the second contact without displaying personal contact information of the second contact that is used for communicating with the second contact, selecting, via the input unit, one of the plurality of options for communicating with the second contact, and communicating

Abstract: A method for forming fine patterns in a semiconductor device includes forming a first hard mask layer over an etch target layer, forming first etch mask patterns having negative slopes over the first hard mask layer, thereby forming a resultant structure, forming a first material layer for a second etch mask over the resultant structure, performing a planarization process until the first etch mask patterns are exposed to form second etch mask patterns filled in spaces between the spacers, removing the spacers, and etching the first hard mask layer and the etch target layer using the first etch mask patterns and the second etch mask patterns.

Abstract: A method for fabricating a flash memory device includes forming a control gate having a hollow donut shape over an insulation layer formed over a substrate. The method also includes forming an inter-poly dielectric of a spacer shape on an inner wall of the control gate, filling a conductive layer for a floating gate between the spacer shaped inter-poly dielectrics, and forming an interlayer insulation layer over a resulting product formed with the conductive layer for a floating gate. The method further includes removing a center portion of the conductive layer for a floating gate to form an opening, forming a tunnel insulation layer on an inner face of the opening, and filling with a semiconductor layer the opening formed with the tunnel insulation layer to form an active region.

Abstract: A method for forming fine patterns in a semiconductor device includes forming a first hard mask layer and a second hard mask layer over an etch target layer, forming second hard mask patterns by etching the second hard mask layer, wherein an etching profile of the second hard mask layer has a positive slope, and etching the first hard mask layer and the etch target layer using the second hard mask patterns as an etch mask.

Abstract: A mobile terminal and method of controlling applications of the same are disclosed, by which each operation of all applications currently executed in a multitasking mode can be effectively controlled within one picture. The present invention includes executing a plurality of applications, displaying an execution picture of a first application among a plurality of the executed applications on a screen, and displaying a 3D polyhedron displaying a control window of at least one of a plurality of the applications except the first application on a corresponding facet of the 3D polyhedron on a screen in the course of displaying the execution picture of the first application.

Abstract: A mobile terminal and its tag editing method are provided.

Abstract: A mobile terminal includes a wireless communication unit communicating with a server providing a social network service, a memory storing a contact list and account information related to the social network service, a user input unit receiving a search query, a controller searching for a contact person in the contact list based on the search query, the controller also connecting and transmitting information of the contact person found in the contact list to the server, and receiving a search result from the server, and a display unit displaying the search result.

Abstract: A mobile terminal including a wireless communication unit configured to transmit and receive signals to and from a network or Internet site; and a controller operatively connected to the wireless communication unit and configured to set an automatic login region or time period within the mobile terminal for automatically logging into the network or Internet site, to determine whether or not the mobile terminal has entered or exited the automatic login region or time period and generate a corresponding determination result, and to automatically log into the network or Internet site if the determination result indicates that the mobile terminal has entered the automatic login region or time period.

Abstract: A mobile terminal and display controlling method thereof are disclosed. The present invention includes storing user registration information registered at each of one or more websites, receiving an input of a command signal for providing the user registration information, and displaying a registration information indicator corresponding to each of the one or more websites. Displaying the registration information indicator includes displaying the stored user registration information registered at the corresponding website within the registration information indicator.

Abstract: A method of controlling a mobile terminal, the method including displaying, via a display on the mobile terminal, a list of contacts included on the mobile terminal, selecting, via an input unit on the mobile terminal, a first contact included in the list of contacts, accessing, via a wireless communication unit, a web site corresponding to the first contact, displaying, on the display, a list of contacts of the first contact included on the web site corresponding to the first contact without displaying personal contact information for the list of contacts of the first contact, selecting, via the input unit, a second contact from the list of contacts of the first contact, displaying, via the display, a plurality of options for communicating with the second contact without displaying personal contact information of the second contact that is used for communicating with the second contact, selecting, via the input unit, one of the plurality of options for communicating with the second contact, and communicating

Abstract: A method for controlling a menu in a mobile terminal is disclosed and the mobile terminal includes a display unit configured to display a menu configured to control the mobile terminal, the menu comprising first data, a memory configured to store the first data, an input unit configured to receive an input for accessing a preset website, a wireless communication module configured to access the preset website responsive to the input, and a controller configured to obtain second data related to the menu from the preset website and to display the menu comprising both the first data and the second data on the display unit.

Abstract: A mobile terminal and as associated method are provided. The method may include displaying one or more menu items on a first touch unit including a touchscreen and recognizing a rotary touch & drag input at a second touch unit as a particular command based on whether one of the one or more menu items has been touched. Accordingly, even if a minimum number of menu icons for executing diverse functions are displayed on a touchscreen, a prescribed one of the diverse functions may be easily selected and executed.

Abstract: A method for forming a capacitor in a semiconductor device comprises forming an inter-layer layer on a semi-finished substrate; etching the inter-layer insulation layer to form a plurality of first contact holes; forming a first insulation layer on sidewalls of the first contact holes; forming a plurality of storage-node contact plugs filled into the first contact holes; forming a second insulation layer with a different etch rate from the first insulation layer over the storage-node contact plugs; forming a third insulation layer on the second insulation layer; sequentially etching the third insulation layer and the second insulation layer to form a plurality of second contact holes exposing the storage-node contact plugs; and forming the storage node on each of the second contact holes.