Patent application number | Description | Published |
20130028160 | COMMUNICATION METHOD AND DEVICE FOR ENHANCING ENERGY EFFICIENCY - Provided is a method and device for increasing energy efficiency by adaptively performing clipping with respect to an input signal. The method may adaptively determine a clipping ratio (CR) based on a modulation method of the communication device and perform clipping based on the determined CR. | 01-31-2013 |
20130244716 | METHOD FOR DETERMINING TRANSMISSION POWER IN MIMO SYSTEM BASED ON COOPERATIVE TRANSMISSION - A method for determining a transmission power in a multi-input multi-output (MIMO) system based on a cooperative transmission is provided. The method includes setting a power constraint condition of a transmitter and target quality information of a receiver. The method further includes determining the transmission power to be allocated to the transmitter to transmit the data to the receiver based on the power constraint condition and the target quality information. | 09-19-2013 |
20130286911 | METHOD AND APPARATUS FOR USER SCHEDULING IN MULTI-USER MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) COMMUNICATION SYSTEM - A method and apparatus for user scheduling in a multi-user multiple input multiple output (MIMO) communication system are provided. The method includes identifying a user group comprising user terminals. The method further includes comparing power consumptions based on the user group. The method further includes scheduling the user terminals based on the comparing. | 10-31-2013 |
20140011508 | METHOD AND APPARATUS FOR DETERMINING NUMBER OF ANTENNAS IN MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) COMMUNICATION SYSTEM - A method of determining a number of antennas, includes calculating a power used by a transmitting device. The method further includes calculating a channel capacity of the transmitting device. The method further includes determining a number of antennas of the transmitting device to be used based on the power and the channel capacity. | 01-09-2014 |
20140184456 | ANTENNA AND COMMUNICATION SYSTEM INCLUDING THE ANTENNA - An antenna and a communication system with the antenna are provided. The antenna may include a first layer including a plurality of folded stubs, a second layer including a pattern of the folded stubs, and a third layer connected to ground is disposed between the first layer and the second layer. | 07-03-2014 |
20140335804 | TRANSMITTER FOR SUPPORTING MULTIMODE AND MULTIBAND USING MULTIPLE RADIO FREQUENCY (RF) DIGITAL-TO-ANALOG CONVERTERS (DAC) AND CONTROL METHOD OF THE TRANSMITTER - A transmitter configured to support a multimode and a multiband, using radio frequency (RF) digital-to-analog converters (DACs), includes a first RF DAC configured to transmit a first signal in a first frequency band, and a second RF DAC configured to transmit a second signal in a second frequency band different from the first frequency band. The transmitter further includes an impedance controller configured to adjust impedance of one of the first RF DAC and the second RF DAC operating in an impedance matching mode to adjust a frequency range of another one of the first RF DAC and the second RF DAC operating in a data transmission mode. | 11-13-2014 |
20140348254 | METHOD AND APPARATUS FOR REDUCING PEAK-TO-AVERAGE POWER RATIO (PAPR) OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SIGNAL AND TRANSMITTER - Methods and apparatus for reducing a peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal in an MIMO-OFDM communication system is provided, in which the method for reducing the PAPR of the OFDM signal may identify interference generated in an MIMO communication system, and adjust a clipping ratio (CR) for an effect of a clipping distortion to be less than an effect of interference. | 11-27-2014 |
Patent application number | Description | Published |
20090091412 | Coil Integrated Inductor - Disclosed is a coil integrated inductor. The coil integrated inductor includes a coil wound a predetermined number of times, electrodes joined to respective ends of the coil, and a magnetic body integrated with the coil and internal electrodes of the electrodes, in which the magnetic body includes magnetic powder, an organic binder and epoxy silane. When the magnetic body is formed, the mixed magnetic material including epoxy silane is used, so that the surface resistance and mechanical strength of the inductor according to the present invention can be remarkably increased. | 04-09-2009 |
20100148902 | SURFACE MOUNT TYPE POWER INDUCTOR - Disclosed herein is a surface mount type power inductor which has an outer magnetic capsule integrated with a coil-wound inner core, and which thus has no air gap between the outer magnetic capsule and the inner core, and can maintain a large inductance L in a high current condition. In the inductor, a coil is wound a predetermined number of turns around the inner core formed from ferrite or magnetic metal. An outer magnetic capsule, molded from a magnetic powder, an insulation filler, a binder, and a lubricant, is provided to cover the inner core and the coil. | 06-17-2010 |