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142results about How to "Satisfactory quality" patented technology

Apparatus and method for dynamically allocating resources in a communication system using an orthogonal frequency division multiple access scheme

An orthogonal frequency division multiple access (OFDMA) communication system. The system has a plurality of cells, divides an entire frequency band into a plurality of subcarrier bands in each cell, and has subchannels that are a set of a preset number of subcarrier bands, respectively. Interference from neighbor cells of the plurality of cells is predicted. A time interval in which interference is absent and a time interval in which the interference is present are classified according to the interference predicted from the neighbor cells. Transmit power is equally distributed and allocated to subchannels capable of being allocated in the time interval in which the interference is absent. Transmit power is adjusted and allocated for the subchannels capable of being allocated such that inference to the neighbor cells does not occur in the time interval in which the interference is present.
Owner:SAMSUNG ELECTRONICS CO LTD +1

Display device and operating method thereof

A display device includes a first substrate having light transmitting portions, a plurality of pixels positioned on the first substrate and including light emitting devices, a light sensor layer overlapping the first substrate and including light receiving devices respectively corresponding to the light transmitting portions, and a light guide layer positioned between the display panel and the light sensor layer and including light guide paths respectively corresponding to the light transmitting portions.
Owner:SAMSUNG DISPLAY CO LTD

Method of and base station for controlling beam forming in a mobile cellular network

The invention concerns a method and a base station (21) for controlling beam forming in a mobile cellular network: Antenna units (212) of base stations (21) of a cluster of neighbored base stations (21) apply a respective beam pattern sequence on each sector of a cell served by the respective base station (21). The beam pattern sequence is selected from a respective predefined set of beam pattern sequences and each beam pattern sequence defines a sequence of beam subsets used for communication with mobile units (41, 42, 43, 44). One of the base stations (21) of the cluster which acts as trigger base station informs all neighbored base stations of the cluster of neighbored base stations (21, 22, 23, 24, 25, 26, 27) not to change their beam pattern sequences. The trigger base station (21) controls the antenna unit (212) of the trigger base station (21) to change the beam pattern sequence applied on the sectors of the cell and sequently apply two or more different beam pattern sequences of the predefined set of beam pattern sequences on the respective sector. The trigger base station (21) triggers one or more mobile units (41, 42, 43, 44) located in the cluster of neighbored base stations to calculate one or more signal quality parameters for currently applied beam pattern sequences of the trigger base station (21). The trigger base station (21) selects an optimal beam pattern sequence from the set of the predefined beam pattern sequences based on the one or more calculated signal quality parameters and the antenna unit (212) of the trigger base station (21) applies the optimal beam pattern sequence as a new beam pattern sequence on the respective sector.
Owner:WSOU INVESTMENTS LLC

Display apparatus and tiled display apparatus

A display apparatus includes a display panel, a display panel driver and a first connection wire. The display panel includes a substrate and a display layer disposed on a first surface of the substrate. The display panel driver applies a driving signal to the display panel. The display panel driver is disposed on a second surface opposite to the first surface of the substrate. The first connection wire is disposed at a first side surface connecting the first and second surfaces of the substrate. The first connection wire connects electrically the display panel with the display panel driver.
Owner:SAMSUNG DISPLAY CO LTD

Apparatus and method for high-speed data communication in a mobile communication system with a plurality of transmitting and receiving antennas

An apparatus and method are provided for transmitting and receiving high-speed packet data without path loss in a mobile communication system with a plurality of transmitting and receiving antennas. To support high-speed data for a mobile station (MS), a base station (BS) identifies a correlation between the number of transmitting antennas and the number of receiving antennas using feedback information and determines whether to establish a relay transmission scheme. The BS determines if quality of service for the MS is satisfied when the number of transmitting antennas is grater than the number of receiving antennas according to the established relay transmission scheme. When the quality of service for the MS is not satisfied, the BS transmits the high-speed data through a specific node group adjacent to the MS.
Owner:SAMSUNG ELECTRONICS CO LTD

Foldable display device, related electronic device, and related method

A display device may include a foldable display member. The foldable display member may include a first portion, a second portion, and a bendable portion. The first portion may be connected through the bendable portion to the second portion. The display device may further include a first controllable member that may overlap the bendable portion. The display device may further include a control unit connected to the first controllable member and configured to provide a first signal to control a size of the first controllable member according to a magnitude of an angle between the first portion and the second portion.
Owner:SAMSUNG DISPLAY CO LTD

Substrate for use in manufacturing display device and method for forming element on substrate

A substrate is for use in manufacturing a display device. The substrate includes a first area that corresponds to pixel positions. The substrate further includes a second area adjacent to the first area. The substrate further includes a first mark disposed in the second area, wherein a first virtual line corresponds to the first mark. The substrate further includes a second mark disposed in the second area and spaced from the first mark, wherein a second virtual line corresponds to the second mark and intersects the first virtual line at a virtual reference point. The substrate further includes an indicator disposed in the second area, spaced from the first mark and the second mark, and corresponding to an opening of a mask, wherein a positional relation between the virtual reference point and a point of the indicator represents a positional relation between the substrate and the mask.
Owner:SAMSUNG DISPLAY CO LTD

Organic light-emitting display device and method for manufacturing the organic light-emitting display device

A display device includes a power line configured to transmit an electric current. The display device further includes a plurality of pixel electrode units associated with a single pixel of the display device and configured to share the electric current. The display device further includes a common electrode overlapping the plurality of pixel electrode units. The display device further includes a plurality of light-emitting units associated with the single pixel of the display device and disposed between the common electrode and the plurality of pixel electrode units, wherein each light-emitting unit of the plurality of light-emitting units overlaps a pixel electrode unit of the plurality of pixel electrode units.
Owner:SAMSUNG DISPLAY CO LTD
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