Abstract: A method of switching a radio resource mode allocated to a mobile station in a wireless access system is discussed. The method for switching the radio-resource mode allocated to a mobile station in the wireless access system includes, transmitting a first message comprising Carrier to Interference and Noise Ratio (CINR) information of a second radio-resource mode to a base station for requesting a switching from a first radio-resource mode allocated to the mobile station to the second radio-resource mode; and transmitting a predetermined codeword for indicating that the switching from the first radio-resource mode to the second radio-resource mode has not been normally performed, if a second message approving the switching of the radio-resource mode is not received within a predetermined time.

Abstract: A method of performing a link adaptation procedure for multi-user transmission in a wireless local area network (WLAN) system is provided. The method includes receiving a modulation and coding scheme (MCS) feedback request transmitted by an access point (AP) to a plurality of stations, estimating an MCS by considering a spatial stream corresponding to the MCS feedback request transmitted to the other stations, and transmitting an MCS feedback response comprising the estimated MCS to the AP. The link adaptation procedure can be performed by considering a wireless communication environment on a real time basis.

Abstract: A method of controlling a display device according to one embodiment of the present specification includes the steps of displaying a digital content, displaying a capturing window in a manner of overlapping the digital content, wherein the capturing window captures an inside area of the capturing window, detecting a first control input moving the digital content on an inside of the capturing window, moving the digital content according to the first control input and including the digital content, which moved to the inside of the capturing window, in a capturing object, detecting a second control input moving the digital content on an outside of the capturing window, and moving the digital content according to the second control input and excluding the digital content, which moved to the inside of the capturing window by the second control input, from the capturing object.

Abstract: In one embodiment, the method includes obtaining reference picture information, and determining at least one reference picture of the current image block from the reference picture information. The reference picture information indicates a reference picture type of the reference picture. The reference picture type is based on temporal distance between a current picture including the current image block and the reference picture. At least one motion vector of the current image block is obtained according to the reference picture type. This obtaining step includes obtaining a motion vector of a co-located image block, and generating the motion vector of the current image block based on the motion vector of the co-located image block and the reference picture type. The current image block is decoded by motion-estimating the current image block using the motion vector of current image block.

Abstract: A method for updating system information in a broadband wireless communication system includes: receiving information by means of superframes including a primary superframe header (P-SFH) and a secondary superframe header (S-SFH), wherein the information including control information transmitted via an information element of the P-SFH (P-SFH IE) and system information transmitted via an information element of a subpacket (SP) of the S-SFH (S-SFH SP IE); decoding the P-SFH IE, wherein the P-SFH IE including a scheduling information bitmap indicating transmitted S-SFH SP IEs in the superframe, a change count (CC) of the S-SFH, and a SP change bitmap indicating changing status of the S-SFH SP IEs; comparing the received CC with a previously stored CC; checking the S-SFH SP change bitmap, when a difference exists between the received CC and the stored CC; and decoding and updating corresponding SP IE of the S-SFH based on the checking result.

Abstract: A flat LED lighting device may include a flat LED light source having a plurality of light emitting diodes (LED) devices, a diffuser for scattering a light from the LED devices, a glare preventive member for preventing as a side glare, and an intermediate layer provided between the diffuser and the glare preventive member. The intermediary layer may have a different refractive index than the diffuser. The glare preventive member may include a transparent plate and a plurality of micro-lenses on the transparent plate for changing a distribution of the light.

Abstract: A mobile terminal includes first and second bodies slidably connected in a closed configuration and open configuration, a flexible circuit board electrically connecting the first and second bodies and passing through a gap formed between the first and second bodies, and one or more blocking units disposed in a spatial area formed between an opening face of the gap to the flexible circuit board and formed to be protruded to traverse the gap from the first body toward the second body, wherein the blocking units are disposed in the spatial area to cover at least a portion of the flexible circuit board. When the mobile terminal is changed from an open configuration to a closed configuration, the flexible circuit board can be prevented from being damaged by a structure.

Abstract: A projection display device (100) capable of providing a virtual keyboard function to the user, using a light source of a pico projector, is discussed. According to an embodiment, the projection display device includes a light source unit (110) configured to emit lights; a light combining unit (120) configured to generate a leakage light from the lights emitted by the light source (110) unit and to selectively combine the lights from the light source unit (110); an image projection unit (130) configured to project an image using the combined light from the light combining unit (120); and a virtual input unit (140) configured to project an input unit image (150) using the leakage light from the light combining unit (120).

Abstract: The digital data file management method reads a header of the digital data file stored on an external medium. Based on the read header, the digital data file is selectively uploaded and/or managed.

Abstract: In one embodiment, a method of predicting a motion vector for a current block in a current picture by a moving picture decoding device includes obtaining, by the moving picture decoding device, a direction of a reference picture of the current picture, based on comparison of a display order of the reference picture and a display order of the current picture, obtaining, by the moving picture decoding device, at least three forward motion vectors for at least three other blocks than the current block based on the direction of the reference picture, and predicting, by the moving picture decoding device, a forward motion vector for the current block by using median operation of the at least three forward motion vectors.

Abstract: A method of power saving in a wireless local area network is provided. The method, performed by a wireless device, includes acquiring TXOP (transmission opportunity) from access point (AP), the TXOP indicating an interval of time when the AP has the right to transmit at least one data block for multi user-multiple input multiple output (MU-MIMO) transmission, receiving a power saving indicator from the AP, the power saving indicator indicating whether the AP allows to enter doze state during the TXOP, and entering the doze state until the end of the TXOP if the power saving indicator indicates an allowance of entering the doze state.

Abstract: A digital television (DTV) signal for use in a DTV receiver includes an extended text table (ETT) which includes a header and a message body. The header includes a table identification extension field which serves to establish uniqueness of the ETT, and the message includes an extended text message (ETM). If the ETT is an event ETT, the table ID extension field includes an event identification which specifies an identification number of an event associated with the ETT. On the other hand, if the ETT is a channel ETT, the table identification extension field includes a source identification which specifies a programming source of a virtual channel associated with the ETT. A section-filtering unit included in the DTV receiver is able to use table identification extension fields of a plurality of ETTs for section-filtering a pertinent event or channel ETT from the ETTs.

Abstract: Disclosed is a method for enabling scalable progressive downloading of video signals. In the method, when a server transmits scalably encoded content data to a client, the server transmits some of the content data from a head of the content data to a tail of the content data according to transmission conditions, and transmits some of residual data of the content data having not been transmitted in the prior process. When scalably coded transmission content data is reproduced, the transmission content data are stored in a storage means as a file, the content data is read, decoded and output. Further, the recorded content data are read while an area having no recorded content data is skipped based on a specific code in the file.

Abstract: Disclosed is a method whereby a channel quality indicator is fed back by a terminal in a multiple-antenna wireless communication system. More specifically, the method comprises the steps of: receiving reference signals corresponding to a plurality of data streams from a base station; using the reference signals to calculate a channel quality indicator; and transmitting the calculated channel quality indicator to the base station; and, in the step in which the channel quality indicator is calculated, the channel quality indicator is calculated under the assumption that at least one of the reference signals has been transmitted using wither the spatial-multiplexing technique or the transmit diversity technique, depending on the feedback setting of the terminal.

Abstract: The present invention relates to a broadband wireless access system, and more particularly, to a method for a mobile station to efficiently scan a neighbor base station and apparatus therefor. According to one embodiment of the present invention, in a broadband wireless access system, a method of performing a scan, which is performed by a mobile station to scan a neighbor base station, includes the steps of receiving a scan response (AAI_SCN-RSP) message including a first interval information indicating an interval for the mobile station to receive a preamble of the neighbor base station from a serving base station and receiving the preamble from the neighbor base station in the first interval. Preferably, the first interval is set by a subframe unit.

Abstract: According to an aspect, there is provided a digital television (DTV) data stream including program and system information protocol (PSIP) data associated with content of the DTV data stream, the PSIP data including a virtual channel table (VCT) and an event information table (EIT), the EIT comprising: a source identification field identifying a source of an associated event in a DTV data stream; an event identification field indicating an identification of the event; a start time field indicating a star time of the event; a title field indicating a title of the event; and a descriptor comprising: a descriptor tag identifying the descriptor as a genre descriptor, a descriptor length indicating a total length of the descriptor; and at least one category code for an associated event in a DTV data stream, each category code specifying genre, program type, or category information of the associated event, wherein the at least one category code specifies at least one of a set of basic categories.

Abstract: The present invention is directed to a wireless communication system. In particular, the present invention is directed to a method of processing a control channel at a user equipment in a wireless communication system using multiple carriers, the method comprising: receiving a plurality of search spaces, wherein each search space comprises a plurality of control channel candidates and each search space is corresponding to respective carrier; and monitoring the control channel candidates for the control channel, wherein if the control channel candidates have a common information size over two or more search spaces, the control channel can be received via any one of the two or more the search spaces, and an apparatus therefore.

Abstract: The method includes receiving a multi-view video stream including a random access picture, which includes a random access slice. The random access slice references only a slice corresponding to a same time and a different view of the random access picture. Type information indicating whether the random access slice is predicted from one or two reference pictures is obtained, and a reference picture list is initialized using view number information and view identification information included in obtained initialization information according to the type information. The initialization information is obtained based on a value indicating decoding order between the plurality of views. The initialized reference picture list is modified based on modification information representing how to assign an inter-view reference index in the initialized reference picture list.

Abstract: A method for transmitting downlink data using resource blocks at a base station in a wireless mobile communication system includes transmitting downlink data mapped to physical resource blocks (PRBs) to a user equipment, wherein indexes of virtual resource blocks (VRBs) are mapped to indexes of the PRBs for a first slot and a second slot of a subframe, and the indexes of the PRBs for the second slot are shifted with respect to the indexes of the PRBs for the first slot based on a predetermined gap, and wherein a predetermined offset is applied to an index of a PRB when the index of the PRB is equal to or greater than a predetermined threshold.