Abstract:
A semiconductor chip includes a first circuit block configured to receive a first power supply voltage through a first power supply terminal of the semiconductor chip, a second circuit block configured to receive a second power supply voltage through a second power supply terminal of the semiconductor chip, and an alternative supply unit that is connected between the first power supply terminal and the first circuit block and receives the first power supply voltage through the first power supply terminal. The alternative supply circuit is configured to apply an alternative power supply voltage generated using the second power supply voltage to the first circuit block in response to a supply of the first power supply voltage being stopped.
Abstract:
Embodiments of the invention are generally directed to transmission and detection of multi-channel signals in reduced channel format. An embodiment of a method for transmitting data includes determining whether a first type or a second type of content data is to be transmitted, where the first type of content data is to be transmitted at a first multiple of a base frequency and the second type of data is to be transmitted at a second multiple of the base frequency. The method further includes selecting one or more channels from a plurality of channels based on the type of content data, clocking a frequency on the first or second multiple of the base frequency according to the type of content data in the selected channels, modifying the content data to fit within a single output channel, and transmitting the modified data via a single output channel at the chosen multiple of the base frequency.
Abstract:
A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance.
Abstract:
A Radio Frequency (RF) duplexer including Bulk Acoustic Wave Resonators (BAWRs) and an RF filter including BAWRs are provided. The RF duplexer may convert the received signal into a balance signal and output the balance signal via a dual-output port. The RF duplexer may also include a BAWR receiving filter unit including an input end to receive the balance signal from the dual-output port, and an output end used for dual output. The RF duplexer may also include a BAWR transmitting filter unit to transmit a transmitted signal to the antenna via a single-output port.
Abstract:
A mechanism for memory reduction in picture-in-picture video generation is disclosed. A method of embodiments of the invention includes receiving, from a transmitting device, a plurality of video streams at a receiving device coupled to the transmitting device, wherein a first video stream of the plurality of video streams is designated to be displayed as a main video and one or more other video streams of the plurality of video streams are designated to be displayed as one or more sub videos to the main video. The method further includes transforming the one or more other video streams into the one or more sub videos, temporarily holding the one or more sub videos in a compressed frame buffer, and merging, via pixel replacement, the main video and the one or more sub videos into a final video image capable of being displayed on a single screen utilizing a display device, wherein pixel replacement is performed such that the one or more sub videos occupy one or more sections of pixels of screen space pixels occupied by the main video.
Abstract:
A method for wireless positioning is provided. The method for wireless positioning includes: acquiring synchronization with base stations; collecting a plurality of propagation delay taps for the base stations; determining a final propagation delay tap among the plurality of propagation delay taps; calculating a time difference of arrival (TDOA) value using the final propagation delay value; and deriving locations of the terminals using the calculated TDOA value. By this configuration, the positioning accuracy can be improved.
Abstract:
Provided are an apparatus and method for transmitting multi-carriers to provide a high-quality service to multicast-based service subscriber terminals. The method includes: mapping first data for providing the multicast service, and second data different from the first data, to s different antennas; converting the first mapped data into a first Intermediate Frequency (IF) signal and the second mapped data into a second IF signal; converting the first IF signal into a first RF signal having a carrier frequency, and deciding a power intensity of the first RF signal so that the first RF signal is transmitted over the entire coverage region of the base station; and converting the second IF signal into a second RF signal having the other carrier frequency, and to deciding a power intensity of the second RF signal so that the second RF signal is transmitted over a predetermined region around the base station.
Abstract:
A technology of setting up a MBS zone for providing a mobile IPTV service is provided in which the MBS zone is effectively managed, so that QoS is prevented from being degraded due to the handover delay that is caused by a MBS handover occurring when a user moves between MBS zones.
Abstract:
A real-sense communication terminal may include: a sense communication sensor to sense information for a real-sense communication; a sense communication signal converting device to convert the sense information to a sense communication signal; a metadata processor to convert the sense communication signal to a metadata form of a transport stream; an image data processor to receive image data and to encode the received image data to be suitable for the transport stream; and a multiplexer processor to multiplex the encoded image data and the sense communication signal of the metadata form, and to thereby transmit the image data and the sense communication signal to a base station.
Abstract:
A display panel includes a gate line dividing a pixel region into a first region and a second region and including a gate electrode, a data line crossing the gate line and including a source electrode, a thin film transistor connected to the gate line and the data line and including the gate electrode, the source electrode, and a drain electrode facing the source electrode, a protective layer disposed on the thin film transistor and comprising a first contact hole and a second contact hole, and first and second sub-pixel electrodes disposed on the first and second regions of the divided pixel region, respectively. The drain electrode is directly connected to the first sub-pixel electrode through the first contact hole, and the drain electrode is directly connected to the second sub-pixel electrode through the second contact hole.