Abstract: Provided is a power-saving local area network communication link connection system and method that may automatically switch a communication link between a computer terminal and an Ethernet switch using an Ethernet communication and thus, an Ethernet switch may be prevented from being unnecessarily used. The power-saving local area network communication link connection system may include a monitoring unit to obtain utilization information from each of the plurality of Ethernet switches, a command generating unit to generate a control command based on the utilization information, and a mode switching unit to control, based on the control command, a patch switch to be connected to each of the plurality of Ethernet switches, and to switch a mode of each of the plurality of Ethernet switches.

Abstract: A device for allocating a channel by using wireless access in a vehicular environment in which an onboard unit is provided in a vehicle and at least one roadside unit is provided, receives a service announcement message from at least one roadside unit, uses the service announcement message to generate an available service table, determines whether the available service table has roadside unit entries for transmitting the service announcement message, and if so, compares average RSSI provided by the roadside units to select a roadside unit to access, selects a channel that corresponds to the service provider ID with the highest priority from among the service provided by the selected roadside unit, and assigns the selected channel as a service channel to exchange information with the roadside unit.

Abstract: A hybrid balun apparatus are disclosed. The hybrid balun apparatus can support both the reception mode and the transmission mode and be advantageous for a high level of integration, by replacing two transformers disposed at a reception path and a transmission path with a single transformer and integrating a T/R switch and a balun into a one chip. Therefore, an IC according to integration extends to a front stage of an antenna to facilitate interfacing between elements, and a burden for designing at a rear stage (i.e., LNA in the reception mode, and PA in the transmission mode) can be reduced.

Abstract: Provided is a method for searching for an optimal coder suitable to a dual stream transmission method of a DTV transceiving apparatus, and an encoder and a decoder employing the optimal coder searching method. The optimal coder searching method includes the steps of: a) determining a mixed pattern of normal stream and robust stream; b) determining a trellis structure of the robust stream which is applied to the mixed pattern based on how coders are connected; c) forming a dual stream trellis by mixing a trellis of the normal stream, which is a normal stream trellis, and a trellis of the robust stream, which is a robust stream trellis; d) computing a free distance at departing points of the dual stream trellis structure based on a dual stream free distance computation termination condition; and e) determining the optimal coder based on the free distance.

Abstract: Provided is a gain-clamped (GC) optical amplifier using a fiber Raman amplifier (FRA) having a Raman cavity. The FRA having a Raman cavity comprises a Raman fiber module (RFM) amplifying and outputting an input optical signal and a resonant cavity generating a Raman laser and a gain clamping laser (GC laser), wherein the resonant cavity is formed as a feedback loop between an input terminal and an output terminal of the RFM. Accordingly, a gain of an optical signal propagating along a core of RFM keeps a constant value regardless of input signal intensity by generating the GC laser for gain clamping between a wavelength band of the Raman laser and a gain band of input signals.

Abstract: In a method for allocating transmission power in a communication system including multiple antennas, a plurality of subcarriers are grouped by a plurality of groups, and each group includes at least one subcarrier. A transmission power weight and an antenna transmission vector are calculated for each group by using channel information, a transmission power for each group of each antenna is calculated by using the transmission power weight and the antenna transmission vector for each group, and transmission signals are transmitted through the multiple antennas after determining which signals need to be transmitted from the multiple antennas by using the transmission power.

Abstract: A system and method for supporting augmented reality in an ocean scene is provided. According to the system and method, camera rotation information is extracted from horizontal line information of a sea extracted from an original image including a focal length and at least two first natural feature point tracking data existing on a sea plane and a plane parallel to the sea plane, using long-distance background features; camera movement is sequentially calculated from the camera rotation information and at least two natural feature point tracking data existing on the sea plane of the original image; and a computer graphics object is placed on a ground plane by importing camera position data, and a rendering is performed as moving the camera.

Abstract: Provided is an apparatus for computing a T-function based Stream Cipher (TSC)-4 stream cipher. The apparatus includes: two T-function units; and a nonlinear filter for receiving bits output from the two T-function units and generating an 8-bit output sequence per clock. Each of the T-function units includes: a first register for storing an internal state value of the lower N bits; an N-bit internal state updater for updating the internal state value of the lower N-bits stored in the first register; an intermediate result register for storing an intermediate result value output from the N-bit internal state updater; a second register for storing an internal state value of the upper M bits; and an M-bit internal state updater for updating the internal state value of the upper M bits stored in the second register using the value stored in the intermediate result register.

Abstract: A method for interpreting a dialogue between two terminals includes establishing a communication channel between interpretation terminals of two parties in response to an interpretation request; specifying a language of an initiating party and a language of the other party in each of the interpretation terminals of the two parties by exchanging information about the language of the initiating party used in the interpretation terminal of the initiating party and the language of the other party used in the interpretation terminal of the other party via the communication channel; recognizing speech uttered from the interpretation terminal of the initiating party; translating the speech recognized by the interpretation terminal of the initiating party into the language of the other party; and transmitting a sentence translated into the language of the other party to the interpretation terminal of the other party.

Abstract: Provided is a method of transmitting channel rank information (RI) when the number of bits for transmitting the channel RI to be transmitted through a physical uplink shared channel (PUSCH) is three or more. The method includes mapping channel RI to be transmitted to a channel RI bit string of 3 bits or more, Reed-Muller coding and rate-matching the channel RI bit string using a basis sequence having a 32-bit code length, and generating modulation symbols by applying the bit sequence that has been Reed-Muller coded and rate-matched to a modulation mapper. Accordingly, the method of transmitting downlink channel RI can be employed when five or more antennas are used for downlink transmission or several carrier bands are used by carrier aggregation as specified in Third Generation Partnership Project (3GPP) long term evolution (LTE)-advanced following 3GPP LTE release 10.

Abstract: A method of tracking a position of a transmitting apparatus in a sensor network is provided. The transmitting apparatus may receive Global Positioning System (GPS) information from each of satellites, may extract satellite time information and satellite identification information from the GPS information, may generate a transmission frame together with receiving time information and apparatus identification information, and may transmit the transmission frame to a receiving apparatus.

Abstract: Provided is an intelligent video information retrieval apparatus capable of multi-dimensional video indexing and retrieval. The intelligent video information retrieval apparatus includes an event detector configured to detect pieces of event information from footage collected by a plurality of video capture devices, a data mart builder configured to generate a data cube using the detected pieces of event information, and capture time and capture location information related to the pieces of event information, and store and manage the generated data cube, and a video retriever configured to receive an event retrieval condition from a user to retrieve event information corresponding to the received event retrieval condition using the data cube, and output the retrieval result to the user.

Abstract: In a decoding apparatus in a portable Internet terminal, a channel encoded symbol received from a transmitter is decoded by one of a chase-combining scheme and a code-combining scheme selected based on an ID value of the subpacket indicating a start position of the symbol. In this case, the chase-combining scheme is partly used for the encoded symbol of the information bit. With such a mode, decoding can be performed at a low code rate.

Abstract: Provided is a method of fabricating a thin film transistor including source and drain electrodes, a novel channel layer, a gate insulating layer, and a gate electrode, which are formed on a substrate. The method includes the steps of forming the channel layer using an oxide semiconductor doped with boron; and patterning the channel layer. The channel layer formed is an oxide semiconductor thin film doped with boron. The electrical characteristics and high temperature stability of the thin film transistor are improved remarkably.

Abstract: An embedded memory required for a high performance, multifunction SOC, and a method of fabricating the same are provided. The memory includes a bipolar transistor, a phase-change memory device and a MOS transistor, adjacent and electrically connected, on a substrate. The bipolar transistor includes a base composed of SiGe disposed on a collector. The phase-change memory device has a phase-change material layer which is changed from an amorphous state to a crystalline state by a current, and a heating layer composed of SiGe that contacts the lower surface of the phase-change material layer.

Abstract: Provided are an uplink receiving device of a long term evolution (LTE)-based orthogonal frequency division multiplexing access (OFDMA) system, and a method of synchronizing a frequency thereof. The uplink receiving device includes a fast Fourier transform (FFT) processing unit eliminating a cyclic prefix (CP) from an OFDM uplink signal to perform a fast Fourier transform (FFT); a subcarrier extraction unit performing a subcarrier extraction operation with regard to an output of the FFT processing unit to thus only extract a signal of a specific terminal unit; and an inverse discrete Fourier transform (DFT) processing unit performing an inverse DFT on an output of the subcarrier extraction unit to generate a time domain signal.

Abstract: A cartridge for measuring a biological sample component and an apparatus for measuring a biological sample component are provided. The cartridge for measuring a biological sample component includes: an upper cartridge having a first chamber storing a biological sample, a first channel connected to the first chamber and delivering air pressure to the first chamber, and a third channel transferring the biological sample; and a lower cartridge having a third chamber storing a first reagent, a fifth chamber storing a second reagent, a fifth channel connecting the third and fifth chambers and transferring the second reagent to the third chamber, an eleventh channel delivering the biological sample delivered through the third channel to the third chamber, and a thirteenth channel delivering air pressure to the fifth chamber, wherein when the upper and lower cartridges are bounded by an external force, the third channel and the eleventh channel are connected.

Abstract: Provided are technologies that may perform intra coding of a super macro block that is an enlarged macro block. In this case, the super macro block is handled as a single entity or may be divided into a plurality of macro blocks. The present invention may perform intra coding both when the super macro block is handled as the single entity and when the super macro block is divided into the plurality of macro blocks.

Abstract: When supporting the handover from first road side equipment of a plurality of sets of road side equipment and second road side equipment that is adjacent to the first road side equipment to a vehicle, the first road side equipment generates a first channel seizing signal that is longer than that of the second road side equipment in a control channel of an N-th sync interval. The second road side equipment generates a second channel seizing signal that is longer than that of the first road side equipment in a control channel of an (N+1)-th sync interval.

Abstract: A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor converts an analog signal to a digital signal, and converts a digital signal to an analog signal. The digital signal processor demodulates the digital signal, detects the start and end of data, and generates a first control signal for determining whether data is transmitted to the external apparatus and a second control signal for perceiving the end of data, blocking the reception of data, modulating data, and determining whether modulated data is transmitted to the external apparatus. The central processing unit & logic module processes data received from and transmitted to the external apparatus. Accordingly, an efficiency of processing a RF signal can be improved.