| 49th week of 2012 patent applcation highlights part 36 |
| Patent application number | Title | Published |
|---|
| 20120307854 | SEMICONDUCTOR LASER MANUFACTURING METHOD AND SEMICONDUCTOR LASER - Provided are a semiconductor laser manufacturing method and a semiconductor laser with a low device resistance. First, an active layer is deposited above a GaN substrate of a first conductivity type. A first guide layer made of GaN of a second conductivity type is deposited above the active layer. An AlN layer is deposited on the first guide layer. An opening is formed in the AlN layer. A first cladding layer made of a group-III nitride semiconductor of the second conductivity type is formed on the AlN layer and the first guide layer exposed through the opening such that a first growth rate at a start of growth on the first guide layer exposed through the opening becomes greater than a second growth rate at a start of growth on the AlN layer. A contact layer of the second conductivity type is formed on the first cladding layer. | 2012-12-06 |
| 20120307855 | HIGH SPEED LASING DEVICE - The present invention relates to a lasing device for use in an optical module. The lasing device comprises a first reflector and a second reflector; a confinement layer adapted to confine current within a current-confining aperture; and an active layer between the first and second reflectors. The active layer comprises a main active region aligned with the current confining aperture and an auxiliary active region surrounding the main active region. The second reflector includes a first reflector region arranged on the current-confining aperture and a second reflector region surrounding the first reflector region. The second reflector region and the first reflector are configured to induce stimulated recombination in the auxiliary active region. | 2012-12-06 |
| 20120307856 | SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor laser device includes a p-type clad layer and an n-type clad layer, a p-side guide layer and an n-side guide layer interposed between the p-type clad layer and the n-type clad layer, and an active layer interposed between the p-side guide layer and the n-side guide layer. The active layer includes at least two quantum well layers and a barrier layer interposed between the quantum well layers adjoining to each other. Each of the p-type clad layer and the n-type clad layer is formed of a (Al | 2012-12-06 |
| 20120307857 | SUPERLUMINESCENT DIODE, METHOD OF MANUFACTURING THE SAME, AND WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER INCLUDING THE SAME - Provided are a high-speed superluminescent diode, a method of manufacturing the same, and a wavelength-tunable external cavity laser including the same. The superluminescent diode includes a substrate having an active region and an optical mode size conversion region, waveguides including an ridge waveguide in the active region and a deep ridge waveguide in the optical mode size conversion region connected to the active waveguide, an electrode disposed on the ridge waveguide; planarizing layers disposed on sides of the ridge waveguide and the deep ridge waveguide on the substrate, and a pad electrically connected to the electrode, the pad being disposed on the planarizing layers outside the active waveguide. | 2012-12-06 |
| 20120307858 | VERY HIGH POWER LASER CHAMBER OPTICAL IMPROVEMENTS - An aspect of the disclosed subject matter includes a method of reducing the laser absorption of a beam reverser prism consisting of at least one of the following: increasing a first distance between a first incident point and a chamfered corner, wherein the first incident point is on a first reflective surface of the prism and the chamfered corner is formed between the first reflective surface and a second reflective surface of the prism, wherein the chamfered corner has a chamfered surface; increasing a second distance between a second incident point and the chamfered corner, wherein the second incident point is on the second reflective surface of the prism; and increasing a reflectivity of the chamfered surface of the chamfered corner of the prism. A method of determining a prime cut for an optical component is also disclosed. A laser including at least one prime cut optical component is also disclosed. | 2012-12-06 |
| 20120307859 | Imaging Measuring System and Measuring Method for Measuring Thermal Output to a Target Object - An imaging thermographic measuring system to measure the thermal output (Q | 2012-12-06 |
| 20120307860 | SYSTEM AND MEHTOD FOR MEASURING GLASS TRANSITION TEMPERATURE - A system and method for measuring a glass transition temperature of a hydrophobic polymer having a surface tagged with an atmospheric plasma. | 2012-12-06 |
| 20120307861 | ENVIRONMENTAL MEASUREMENT SYSTEM AND ENVIRONMENTAL MEASUREMENT METHOD - An optical fiber is provided with a first measurement portion and a second measurement portion provided with covering layers different at least in any one of heat capacity and heat conductivity. Then, the first measurement portion and the second measurement portion are located in the same measurement position and light is inputted from a temperature measurement device into the optical fiber. Thereafter, the temperature measurement device receives backscattered light generated inside the optical fiber to measure temperature distribution in a longitudinal direction of the optical fiber. An analyzer analyzes a variation over time of the temperature distribution outputted from the temperature measurement device to calculate a temperature and a wind velocity in a measurement position where the first measurement portion and the second measurement portion are located. | 2012-12-06 |
| 20120307862 | TEMPERATURE CONTROL DEVICE - The invention relates to a temperature control device ( | 2012-12-06 |
| 20120307863 | ENGINE EXHAUST HEAT TEMPERATURE DETECTION DEVICE - An exhaust gas temperature detection sensor is arranged at a predetermined position outside a muffler, or at a predetermined position outside an exhaust pipe constituting an exhaust gas flow passage on a more downstream side than the muffler in an exhaust direction. The sensor detects that an atmosphere temperature at the predetermined position outside the muffler has reached a predetermined temperature based on an increase in a temperature inside the muffler, or detects that an atmosphere temperature at the predetermined position outside the exhaust pipe has reached a predetermined temperature based on an increase in a temperature of an exhaust gas inside the exhaust pipe. | 2012-12-06 |
| 20120307864 | Temperature-Control Device For Thermoanalytical Analyses - A temperature-control device for thermoanalytical analyses, including a housing, one heating element, one protective sheath disposed in the housing, wherein the protective sheath is connectable to a gas supply. The heating element is partially arranged inside the protective sheath. | 2012-12-06 |
| 20120307865 | INTERNAL TEMPERATURE INDICATOR - A temperature indicator having a tubular structure; a float or floating particles releasably held in place in the tubular structure by a temperature dependent material that is activated at or about a critical temperature, the float or floating particles having a first density; and a fluid within the tubular structure, the fluid having a second density that is less than the first density. When the temperature indicator is heated to the critical temperature, the temperature dependent material activates and releases the float or the floating particles, which rise in the fluid so as to be visible as in indicator that the critical temperature has been reached. | 2012-12-06 |
| 20120307866 | TEMPERATURE SENSING SYSTEM FOR SUPPORTING SINGLE-POINT CALIBRATION - A time-domain temperature sensing system for supporting a single-point calibration is disclosed. Under a single calibration temperature, the digital output of said temperature sensing system is adjusted by a calibration circuit to a specific value, and the generated calibration parameter thereof can be stored in the same chip of the temperature sensing system or in an off-chip component such as a non-volatile memory. Accordingly, the drawback which is caused by the high cost of a conventional two-point calibration in prior art is solved. | 2012-12-06 |
| 20120307867 | VOLTAGE-TEMPERATURE SENSOR AND SYSTEM INCLUDING THE SAME - A voltage-temperature sensor includes a first converter, a second converter and a data processing block. The first converter generates first digital data based on an operational voltage and an operational temperature. The first converter has a first sensitivity to the operational voltage and the operational temperature. The second converter generates second digital data based on the operational voltage and the operational temperature. The second converter has a second sensitivity to the operational voltage and the operational temperature. The second sensitivity is different from the first sensitivity. The data processing block determines a combination of an unknown value of the operational voltage and an unknown value of the operational temperature based on a combination of the first digital data and the second digital data. | 2012-12-06 |
| 20120307868 | METHOD, BASE STATION, AND TERMINAL FOR GENERATING REFERENCE SIGNAL - The present invention relates to a method for generating a reference signal, including: obtaining first control information, where the first control information indicates or includes cyclic shift related information which is used by a terminal belonging to a serving cell to send a reference signal; and sending the first control information to the terminal belonging to the serving cell, so that the terminal belonging to the serving cell generates the reference signal according to the cyclic shift related information which is indicated or included by the first control information and used by the terminal to send the reference signal, where a variation rule of a cyclic shift which the terminal belonging to the serving cell uses to generate the reference signal is the same as that of a cyclic shift which a terminal belonging to a coordinated cell uses to generate the reference signal. | 2012-12-06 |
| 20120307869 | Frequency Hopping in License-Exempt/Shared Bands - RRC signaling is used to configure a user device for N secondary cells SCells on license-exempt channels w | 2012-12-06 |
| 20120307870 | APPARATUS AND METHOD FOR COMMUNICATION - Apparatus and method for communication are provided. The solution comprises controlling a transmitter to map common and dedicated control channels on two frequency blocks and controlling the transmitter to transmit the frequency blocks utilising pair-wise frequency hopping on a shared spectrum. | 2012-12-06 |
| 20120307871 | RF CHIRP RECEIVER SYNCHRONIZATION - A radio frequency communication system includes a radio frequency transmitter having a chirp generator operable to transmit a first chirp signal, and transmit a second chirp signal that is circular shifted relative to the first chirp signal. A receiver receives the first chirp signal and the second chirp signal, such that the proportion of phase offset between the first and second chirp signals is proportional to the frequency offset of the received signals. The first and second chirp signals are despread, and the phase difference between the first and second chirp signals is used to determine a frequency offset of the received first and second chirp signals that is proportional to the phase difference between the first and second chirp signals. | 2012-12-06 |
| 20120307872 | METHOD AND SYSTEM FOR INTERFERENCE SUPPRESSION IN WCDMA SYSTEMS - Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated signals may be based on the weighting factor values. Residual signals may be generated based on received signals and the estimated signals. Addback signals may be generated based on the estimated signals and the residual signals. Updated estimated signals may be generated based on the addback signals and the weighting factor values. Incremental signals may be generated based on the updated estimated signals and addback signals. Updated residual signals may be generated based on the incremental signals and previous residual signals. The interference suppressed signals may be generated based on the updated residual signals and updated estimated signals. | 2012-12-06 |
| 20120307873 | APPARATUS AND METHOD FOR DATA COMMUNICATION USING WIRELESS POWER - According to one general aspect, a data communication apparatus using wireless power may include: a power signal detecting unit configured to detect a signal corresponding to a change in an impedance of a target device; a demodulating unit configured to demodulate a message from the target device from the detected signal using the detected signal and a carrier wave; and a source resonance unit configured to transmit the carrier wave to the target device. | 2012-12-06 |
| 20120307874 | CDR CIRCUIT, RECEIVER, AND TRANSMITTING-RECEIVING SYSTEM - A CDR circuit, a receiver, and a transmitting-receiving system weight the output of the nonlinear phase detector that receives received data and the recovery clock on the basis of whether a clock out-of-phase with the recovery clock lags or leads in phase with respect to the received data, and adjust the phase of the recovery clock on the basis of the weighted output. | 2012-12-06 |
| 20120307875 | Mobile Communications Devices and Methods Having Reduced Communication Latency - An improved mobile communications device, of the type having a set of antennas and a narrowband RF transceiver coupled to a first member of the set of antennas, also includes a broadband RF receiver coupled to a second member of the set of antennas; and processing circuitry, coupled to the narrowband RF transceiver and the broadband RF receiver, that uses a received signal from the broadband receiver to determine a communication parameter for the narrowband RF transceiver. Related methods are also provided. | 2012-12-06 |
| 20120307876 | BASEBAND / RFIC INTERFACE FOR HIGH THROUGHPUT MIMO COMMUNICATIONS - Analog signal paths are utilized between a baseband processor and a radio front end to support high throughput communications for a multiple in multiple out radio transceiver that support communications over two or more antennas. Specifically, analog differential I and Q path communication signals are exchanged between a radio front end core and a baseband processor to maximize throughput capacity for high data rate signals. Along the same lines, the impedances of traces and the interface are matched to reduce I/Q imbalance. | 2012-12-06 |
| 20120307877 | DETECTOR AND METHOD FOR DETECTING AN OSCILLATORY SIGNAL AMONG NOISE - A signal detector is configured to detect a signal of interest in a received signal. The received signal may comprise noise. The signal of interest is oscillatory at least during one or more time segments. The signal detector comprises a frequency discriminator arranged to determine an instantaneous frequency of the received signal, an evaluator arranged to determine an amount of change of the instantaneous frequency during a test interval, and a comparator arranged to determine whether the amount of change is below a given threshold. The signal of interest may be digitally modulated. In this case the test interval may be shorter than the duration of one data bit in the signal of interest. In a related aspect, a signal transmission system comprises a signal generator for generating a signal of interest and a signal detector for detecting the signal of interest in a received signal. A method of detecting a signal of interest in a received signal is also proposed. | 2012-12-06 |
| 20120307878 | MULTI-PROTOCOL MULTIPLE-DATA-RATE AUTO-SPEED NEGOTIATION ARCHITECTURE FOR A DEVICE - An interface for use in a local device includes a transmitter portion programmably configurable to at least three data rates, a receiver portion programmably configurable to those at least three data rates, and an automatic speed negotiation module operatively connected to the transmitter portion and the receiver portion to configure the transmitter portion and the receiver portion for communication with a remote device at a single data rate that is a best available one of those at least three data rates. The date rate can be adjusted by adjusting transmitter data path width and receiver data path width, adjusting a frequency of said transmitter data path and said receiver data path, and oversampling. Byte serialization or deserialization can be enabled or disabled to alter the width of the data, depending on the data rate, for transfer to/from the remainder of the local device. | 2012-12-06 |
| 20120307879 | HOME NETWORK SYSTEM AUGMENTATION WITH REMOTE GUIDANCE AND LOCAL SET UP AND MONITORING - A network including powerline adapters (“PLAs”) of the HomePlug Alliance variety or similar implementations such as the European in Opera standard provides for diagnostic capability and software enhanced powerline adapters. The diagnostic capability includes collecting network performance data and either analyzing or forwarding data for analysis. In addition, mechanical design for the PLA with an isolating filter provides for secure mounting while blocking access to a second wall outlet of a duplex unit. | 2012-12-06 |
| 20120307880 | MIXED-PHASE REAL TIME AUTOMATIC ROOM EQUALIZATION SYSTEM - A system is provided for determining mixed-phased real time room equalization that employs crossover filters for splitting the incoming spectrum and also re-uses the cross-over filters in the equalization filter. | 2012-12-06 |
| 20120307881 | IMAGE CODING DEVICE, IMAGE CODING/DECODING SYSTEM, IMAGE CODING METHOD, AND IMAGE DISPLAY METHOD - A device preventing degradation of image quality caused by coding of a moving image. A compression coder performs compression coding on image data of respective pictures constituting an input moving image to generate inter-coded data or intra-coded data, and outputs the coded data to a wire or wireless transmission line. In a case of causing the compression coder to generate the inter-coded data, a controller sets a code amount equal to or smaller than a maximum code amount given by a value obtained by multiplying an upper limit transmission rate of a transmission line and a permissible time allocated per picture based on a picture rate of the input moving image. Meanwhile, in a case of causing the compression coder to generate the intra-coded data, the controller sets a code amount larger than the maximum code amount and equal to or smaller than N-times (N is an integer equal to or larger than two) the maximum code amount. | 2012-12-06 |
| 20120307882 | METHOD FOR TRANSPORTING INFORMATION AND/OR APPLICATION DATA INSIDE A DIGITAL VIDEO STREAM, AND RELATIVE DEVICES FOR GENERATING AND PLAYING SUCH VIDEO STREAM - A method for transporting data within a digital video stream, wherein the digital video stream includes information and/or application data not intended for display and at least one frame includes an image to be displayed, and wherein the at least one frame includes a number of pixels which is greater than the number of pixels of the image. The method provides for entering the information and/or application data into pixels of the frame which are not occupied by the image. The invention also relates to a method for playing a video stream that carries information and/or application data within its frames. | 2012-12-06 |
| 20120307883 | Multi-Instance Video Encoder - A system and method are disclosed for providing improved processing of video data. A multi-instance encoding module receives combined video and audio input, which is then separated into a video and audio source streams. The video source stream is pre-processed and corresponding video encoder instances are initiated. The preprocessed video source stream is split into video data components, which are assigned to a corresponding encoder instance. Encoding operations are performed by each video encoder instance to generate video output components. The video output components are then assembled in a predetermined sequence to generate an encoded video output stream. Concurrently, the audio source stream is encoded with an audio encoder to generate an encoded audio output stream. The encoded video and audio output streams are combined to generate a combined encoded output stream, which is provided as combined video and audio output. | 2012-12-06 |
| 20120307884 | Selective intra and/or inter prediction video encoding - Selective intra and/or inter-prediction video encoding. Based upon anticipation of a future communication channel rate (e.g., actual physical layer channel rate) or video data rate of a communication channel, a given prediction mode for video encoding may be adaptively selected. Prediction of a future or expected value corresponding to at least one parameter associated with the communication channel (e.g., channel rate, video data rate, etc.) can drive operational mode selection/adaptation in accordance with video coding. Alternatively, one or more actual measured values corresponding to at least one parameter can drive operational mode selection/adaptation in accordance with video coding. In some instances, neither intra-prediction nor inter-prediction is performed in accordance with a non-feedback operational mode, and an input video signal undergoes compression (e.g., without intra-prediction and/or inter-prediction). Transitioning between various video coding operational modes may be made in different manners and based on different criteria as desired in various given applications. | 2012-12-06 |
| 20120307885 | Channel Condition Prediction Employing Transmit Queuing Model - Channel condition prediction employing a transmit queuing model. An average transmission queue delay monitor generates an indication of average transmit queue latency during the transmission of a video stream to a remote wireless device. The average transmit queue latency is compared to a predetermined threshold for purposes of adjusting encoding bit rate (or other encoding parameter) of the video stream. In one mode, the predetermined threshold reflects a maximum tolerable average queue depth beyond which video data is likely to be lost or unacceptably delayed under certain channel conditions. If the average transmit queue latency exceeds the predetermined threshold, the encoding bit rate (or related encoding parameter) is lowered or raised as necessary to decrease or increase the transmit queue depth to a desired level. In another mode, the transmit queuing model is used in conjunction with channel throughput estimation information to adaptively adjust one or more encoding parameters. | 2012-12-06 |
| 20120307886 | Adaptive Video Encoding Based on Predicted Wireless Channel Conditions - Adaptive video encoding based on predicted wireless channel conditions. Based on at least one of a number of transmitter side indications of the available throughput of a wireless channel for video delivery, an encoder rate adaptation mechanism generates an estimate of the supportable throughput of the wireless channel under different operating conditions. An encoding parameter, such as encoder bit rate, is subsequently altered based on the estimated throughput value. In one instance, transmitter side throughput indicia is used to generate target encoder bit rates for multiple potential PHY data rates/channel MCS selections that may be used in video delivery. In anticipation of or immediately following a transition to one such PHY data rate/MCS selection, the encoder bit rate is altered in accordance with an associated target bit rate. In another mode, average transmit queue latency information is used to further regulate the encoder bit rate. | 2012-12-06 |
| 20120307887 | HINT BASED ADAPTIVE ENCODING - A device for encoding video image data includes a data receiver that receives a current image frame to be compressed, the current image frame being composed of a plurality of current macroblocks. An information receiver receives metadata that includes information that identifies static areas within the received current image frame. An encoder encodes each of the plurality of current macroblocks. The encoder encodes a current macroblock that is entirely within the static areas as having no difference from a corresponding preceding macroblock in a preceding frame by using an encoded macroblock that is created without comparing the current macroblock to the corresponding preceding macroblock. The metadata may include information that identifies regular video and graphics within the received current image frame and the encoder may make different compression decisions according to the inclusion of regular video and graphics within the current macroblock. | 2012-12-06 |
| 20120307888 | RUN-MODE BASED COEFFICIENT CODING FOR VIDEO CODING - A video coding device is configured to code coefficients of residual blocks of video data. When a coefficient of a transform unit of video data has a scan order value that is less than a threshold and when the coefficient is the last significant coefficient in a scan order in the transform unit, the video coding device may execute a function to determine a mapping between data for the coefficient and a codeword index value, and code the data for the coefficient using a codeword associated with the codeword index value. The video coding device may comprise a video encoder or a video decoder, in some examples. | 2012-12-06 |
| 20120307889 | VIDEO DECODER WITH DYNAMIC RANGE ADJUSTMENTS - A system for decoding video including receiving quantized coefficients representative of a block of video representative of a plurality of pixels and dequantizing the quantized coefficients. Inverse transforming the dequantized coefficients to determine a decoded residue wherein the dequantized coefficients are modified prior to the inverse transforming based upon a predicted dynamic range output of the inverse transform. | 2012-12-06 |
| 20120307890 | TECHNIQUES FOR ADAPTIVE ROUNDING OFFSET IN VIDEO ENCODING - Techniques adaptive rounding offset in video encoding are described. An apparatus may comprise a rounding offset adaptation component operative to adjust a quantization parameter rounding factor for a current macroblock of a current frame of a video stream being compressed by a video encoding system. Other embodiments are described and claimed. | 2012-12-06 |
| 20120307891 | DECODER WITH DYNAMIC RANGE COMPENSATION - A system for decoding video including receiving quantized coefficients representative of a block of video representative of a plurality of pixels and dequantizing the quantized coefficients. The system inverse transform the dequantized coefficients using a first one dimensional inverse transform and a second one dimensional inverse transform to determine a decoded residue where the result of the first one-dimensional inverse transform are shifted different amounts using a shifting process based upon the magnitude of the dequantized coefficients. | 2012-12-06 |
| 20120307892 | System and Method for Decoding using Parallel Processing - A method for decoding a stream of encoded video data is disclosed. The video stream includes partitions that have been compressed using lossless encoding. Each partition includes rows that have also been encoded using intra-frame or inter-frame encoding, for example. During the decoding process, two or more of the partitions are entropy decoded on two or more processors in parallel, except that partitions containing adjacent rows in the frame are decoded with an offset so that at least a portion of the output of the entropy decoding of one partition can be used as input in the entropy and intra/inter-frame decoding of the other. | 2012-12-06 |
| 20120307893 | FAST COMPUTING OF DISCRETE COSINE AND SINE TRANSFORMS OF TYPES VI AND VII - This disclosure presents techniques for implementing a fast algorithm for implementing odd-type DCTs and DSTs. The techniques include the computation of an odd-type transform on any real-valued sequence of data (e.g., residual values in a video coding process or a block of pixel values of an image coding process) by mapping the odd-type transform to a discrete Fourier transform (DFT). The techniques include a mapping between the real-valued data sequence to an intermediate sequence to be used as an input to a DFT. Using this intermediate sequence, an odd-type transform may be achieved by calculating a DFT of odd size. Fast algorithms for a DFT may be then be used, and as such, the odd-type transform may be calculated in a fast manner | 2012-12-06 |
| 20120307894 | INTRA PREDICTION MODE CODING WITH DIRECTIONAL PARTITIONS - A video coder can determine a most probable mode for a block of video data using non-square partitions based on the direction of the non-square partitions. When the direction of the non-square partitions is vertical, an intra prediction mode of a left-neighboring block can be selected as the most probable intra prediction mode, and when the direction of the non-square partitions is horizontal, an intra prediction mode of an above-neighboring block can be selected as the most probable intra prediction mode. | 2012-12-06 |
| 20120307895 | IMAGE-ENCODING APPARATUS AND METHOD, TRANSFORM-ENCODING APPARATUS AND METHOD, APPARATUS AND METHOD FOR GENERATING A TRANSFORM BASE, AND IMAGE-DECODING APPARATUS AND METHOD USED IN SAME - A video encoding apparatus includes an intra prediction error collector; a transform base generator; an intra predictor; and a transform encoder, the intra prediction error collector collecting prediction errors of blocks having an equal intra prediction mode from macroblocks in a regular unit, which are encoded prior to a current macroblock, the transform base generator generating transform bases for respective intra prediction modes based on the prediction errors collected by the intra prediction error collector. Accordingly, the intra prediction encoding performance can be significantly improved with adding no addition information by adaptively generating a transform base according to an image characteristic change and transform-encoding an intra prediction error. As a result, the compression efficiency of a video compression apparatus or the picture quality of a reconstructed image can be greatly improved. | 2012-12-06 |
| 20120307896 | MOVING PICTURE CODING METHOD, MOVING PICTURE DECODING METHOD, AND APPARATUSES OF THE SAME - A moving picture coding method includes partitioning a picture into blocks each of which includes pixels, selecting a scanning scheme from among plural scanning schemes, scanning the blocks according to the selected scanning scheme, and coding the blocks in an order in which the blocks are scanned. In the partitioning, the picture is partitioned into rows and columns of macroblocks each of which is partitioned into the blocks. The plural scanning schemes include a first scanning scheme for scanning the blocks in the macroblock per row of blocks. | 2012-12-06 |
| 20120307897 | VIDEO ENCODER, VIDEO DECODER, METHOD FOR VIDEO ENCODING AND METHOD FOR VIDEO DECODING, SEPARATELY FOR EACH COLOUR PLANE - High-fidelity video coding nowadays tends to adopt the RGB coding for directly reducing RGB inter-color redundancy without color space conversion. A known method uses a blockbased inter-colour compensation algorithm for removing inter-colour redundancy on RGB colour planes by defining the correlation between colour planes within each coding block as a linear model of slope and offset parameters, codes the base plane block and then predicts the other two colour blocks from the base plane block. However, for most coding blocks the texture within a component block varies quite much. A new method for improved video coding uses adaptive segmentation of the base colour component block, corresponding segmentation of the other colour component blocks and individual slope and offset parameters for predicting each segment. | 2012-12-06 |
| 20120307898 | VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE - To efficiently reduce contour and stair-step artifacts. | 2012-12-06 |
| 20120307899 | APPARATUS AND METHOD FOR ENCODING/DECODING MULTI-PLANE IMAGES USING BI-PREDICTION AND RECORDING MEDIUM USING SAME - The present disclosure relates to technology for generating an efficient predicted image by using a correlation between color planes in encoding of a multi-plane video. An apparatus for encoding a multi-plane video including two or more color planes by using a bi-prediction includes: an intra-predictor for generating a first predicted block by performing an intra-prediction on a current block of a current plane; an inter-plane predictor for generating a second predicted block by performing an inter-plane prediction; a dual-plane predictor for generating a third predicted block based on the first predicted block and the second predicted block; an optimum mode determiner for selecting one optimum predicted block having a highest encoding efficiency from the first to third predicted blocks; and an encoder or a decoder for encoding or decoding the current block based on a selected optimum predicted block. | 2012-12-06 |
| 20120307900 | INTERPOLATION OF VIDEO COMPRESSION FRAMES - Video image decompression systems, methods, and computer-readable storage media are disclosed. Some techniques involve accessing a sequence of predicted and bidirectional predicted frames each comprising pixel values arranged in image regions, wherein at least one image region within a bidirectional predicted frame is determined using direct mode prediction based on motion vectors from two or more predicted frames, and wherein at least one such motion vector is scaled by a frame scale fraction of less than zero or greater than one. | 2012-12-06 |
| 20120307901 | HYBRID MOTION IMAGE COMPRESSION - A system and method for processing images of a scene captured by an imaging platform include a correction processor configured to determine a plurality of coefficients associated with transformations that substantially correct expected inter-frame changes in the images caused by relative motion between the scene and the imaging platform; a transformation processor configured to transform the captured images using the plurality of coefficients and transformations so as to substantially correct said expected inter-frame changes; and a module configured to store the plurality of coefficients in image metadata associated with the images. | 2012-12-06 |
| 20120307902 | IMAGE CODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING METHOD, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS - An image coding method includes: determining a maximum number of merging candidates; deriving first merging candidates based on blocks spatially or temporally neighboring a current block; determining whether or not a total number of the first merging candidates is smaller than the maximum number; deriving, by making a combination out of the derived first merging candidates, a second merging candidate for bi-directional prediction when it is determined that the total number of the first merging candidates is smaller than the maximum number; selecting a merging candidate to be used for the coding of the current block from the first merging candidates and the second merging candidate; and coding, using the determined maximum number, an index for identifying the selected merging candidate, and attaching the coded index to the bitstream. | 2012-12-06 |
| 20120307903 | MOVING PICTURE CODING METHOD, MOVING PICTURE CODING APPARATUS, MOVING PICTURE DECODING METHOD, MOVING PICTURE DECODING APPARATUS, AND MOVING PICTURE CODING AND DECODING APPARATUS - A moving picture coding apparatus includes: a motion vector predictor candidate calculation unit which calculates motion vector predictor candidates and the number of motion vector predictor candidates; an inter prediction control unit which selects an optimum motion vector predictor candidate; and a variable length coding unit which sets the motion vector predictor candidate list size to the number of motion vector predictor candidates, and assigns a bit string according to the motion vector predictor candidate list size to a motion vector predictor index used for coding a motion vector, thereby performing variable length coding. | 2012-12-06 |
| 20120307904 | PARTIAL FRAME UTILIZATION IN VIDEO CODECS - Embodiments of the present invention provide techniques for efficiently coding/decoding video data during circumstances where a decoder only requires or utilizes a portion of coded frames. A coder may exchange signaling with a decoder to identify unused areas of frames and prediction modes for the unused areas. An input frame may be parsed into a used area and an unused area based on the exchanged signaling. If motion vectors of the input frame are not limited to the used areas of the reference frames, the unused area of the input frame may be coded using low complexity. If the motion vectors of the input frame are limited to the used areas of the reference frames, the pixel blocks in the unused area of the input frame may not be coded, or the unused area of the input frame may be filled with gray, white, or black pixel blocks. | 2012-12-06 |
| 20120307905 | METHOD AND APPARATUS FOR ENCODING/DECODING A MOTION VECTOR BY SELECTING A SET OF PREDICTED CANDIDATE MOTION VECTORS, AND METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING USING THE SAME - A method of encoding a motion vector includes: selecting one of a plurality of predicted candidate motion vector sets by using motion information of neighboring blocks of a current block; selecting one of predicted candidate motion vectors within a selected predicted candidate motion vector set, as a predicted motion vector; encoding a differential motion vector representing a difference between a current motion vector or motion vector of the current block and a selected predicted motion vector; and encoding a predicted motion vector index indicating the selected predicted motion vector. As a motion vector is encoded after selecting an efficient predicted candidate motion vector set, the size of a differential vector to be encoded can be reduced without necessarily encoding additional information to indicate which set of predicted candidate motion vectors has been selected, resulting in improved compression efficiency of motion vectors and in turn the improved video compression efficiency. | 2012-12-06 |
| 20120307906 | ADAPTIVE SECONDARY PREDICTION-BASED IMAGE ENCODING/DECODING METHOD, DEVICE AND RECORDING MEDIUM - The present disclosure provides a video encoding/decoding method including: selectively frequency transforming a first residual block generated by subtracting a predicted block from a current block, generating a first quantized block for the first residual block or the frequency transformed first residual block, generating a second quantized block, if the first quantized block is a quantized first residual block from quantizing the first residual block, through selectively performing a secondary prediction on the quantized first residual block by using a secondary predicted motion vector set, encoding information on whether the frequency transforming is performed and selectively encoding information on the secondary prediction, encoding the first quantized block or the second quantized block into a bitstream, and decoding the same. | 2012-12-06 |
| 20120307907 | MOTION VECTOR REFINEMENT FOR MPEG-2 TO H.264 VIDEO TRANSCODING - A method for transcoding that includes (A) generating a decoded frame by decoding an MPEG-2 input video stream, the decoded frame including decoded macroblocks; (B) determining a search center for encoding a current macroblock corresponding to a pair of the decoded macroblocks on consecutive macroblock rows, when (i) the encoding uses a predictive field mode and (ii) a current field being encoded is a second field of a current frame that has a first field as a reference field, the search center is a temporally scaled version of a decoded motion vector from an upper or a lower macroblock in the pair; (C) generating a refined motion vector by searching in a temporal search direction about the search center; and (D) generating an H.264 output video stream by encoding the current macroblock based on the refined motion vector. | 2012-12-06 |
| 20120307908 | MOTION VECTOR PREDICTIVE ENCODING METHOD, MOTION VECTOR PREDICTIVE DECODING METHOD, MOVING PICTURE ENCODING APPARATUS, MOVING PICTURE DECODING APPARATUS, AND PROGRAMS THEREOF - In a moving picture encoding apparatus, a primary candidate reference motion vector-setting unit sets N primary candidate reference motion vectors. A degree of reliability calculation unit calculates the reliability of each primary candidate reference motion vector, which represents effectiveness in predicting a motion vector of a block to be decoded, using coded or decoded image information. A reference motion vector determination unit selects M (M| 2012-12-06 | |
| 20120307909 | ENCODING METHOD, DECODING METHOD, ENCODER AND DECODER - An encoding method, decoding method, encoder, and decoder are provided in embodiments of this invention. The encoding method comprises: selecting at least one dimension vector from at least two dimension vectors to partition the coefficients to be encoded into vectors, according to the number of the coefficients to be encoded contained in a current subband; quantizing the vectors partitioned from the coefficients to be encoded into lattice vectors according to the selected dimension, and then mapping the lattice vectors to lattice index vectors; performing lossless encoding on the lattice index vectors. | 2012-12-06 |
| 20120307910 | PARAMETERIZATION FOR FADING COMPENSATION - Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one or more reference images. During decoding, a video decoder performs corresponding fading compensation on the one or more reference images. | 2012-12-06 |
| 20120307911 | VIDEO SERVER AND DATA RECORDING AND PLAYBACK METHOD - According to one embodiment, a video server includes an analyzer and a storage. The analyzer detects a sequence parameter set (SPS) and a picture parameter set (PPS) in a stream of a data file includes picture slices, SPSs and PPSs. The analyzer stores the detected SPS and PPS. When the analyzer detects a first picture slice in a random access unit (RAU) in the stream, the analyzer generates an additional header including all SPSs and PPSs in the stream of the data file, which are stored before detection of the first picture slice. The analyzer inserts the additional header immediately before the RAU. The storage stores the data file in which the additional header is inserted. | 2012-12-06 |
| 20120307912 | APPARATUS AND METHOD FOR CODING AN INFORMATION SIGNAL INTO A DATA STREAM, CONVERTING THE DATA STREAM AND DECODING THE DATA STREAM - More customization and adaptation of coded data streams may be achieved by processing the information signal such that the various syntax structures obtained by pre-coding the information signal are placed into logical data packets, each of which being associated with a specific data packet type of a predetermined set of data packet types, and by defining a predetermined order of data packet types within one access unit of data packets. The consecutive access units in the data stream may, for example, correspond to different time portions of the information signal. By defining the predetermined order among the data packet types it is possible, at decoder's side, to detect the borders between successive access units even when removable data packets are removed from the data stream on the way from the data stream source to the decoder without incorporation of any hints into the reminder of the data stream. | 2012-12-06 |
| 20120307913 | CONTENT COMMUNICATION DEVICE, CONTENT PROCESSING DEVICE AND CONTENT COMMUNICATION SYSTEM - Disclosed is a technique in which, upon relay broadcasting, a location side can check quickly on how the actions at the location (location side) are reflected as a broadcasting content. According to the technique, a content communication device at the location uses hierarchical coding to encode shot content data into coarse material content coded data of a core layer and broadcast-level material content content coded data of an enhancement layer. The coarse material content coded data is transmitted immediately to a content processing device at a coordination station. The content processing device performs, on the coarse material content, editing processing (or part thereof) to be performed for actual broadcasting, and sends back the content as a coordinating content. For example, the coordinating content has the same composition as an actually broadcast content (i.e., the position of synthesized information is the same, or the like), so that coordination based on the final broadcast content can be done at the location with reference to the coordinating content. | 2012-12-06 |
| 20120307914 | APPARATUS AND METHOD FOR CODING AN INFORMATION SIGNAL INTO A DATA STREAM, CONVERTING THE DATA STREAM AND DECODING THE DATA STREAM - More customization and adaptation of coded data streams may be achieved by processing the information signal such that the various syntax structures obtained by pre-coding the information signal are placed into logical data packets, each of which being associated with a specific data packet type of a predetermined set of data packet types, and by defining a predetermined order of data packet types within one access unit of data packets. The consecutive access units in the data stream may, for example, correspond to different time portions of the information signal. By defining the predetermined order among the data packet types it is possible, at decoder's side, to detect the borders between successive access units even when removable data packets are removed from the data stream on the way from the data stream source to the decoder without incorporation of any hints into the reminder of the data stream. | 2012-12-06 |
| 20120307915 | Method and System for Viewer Quality Estimation of Packet Video Streams - A method and system for the estimation of the effect of packet loss on a viewer's subjective perception of a packet video stream. The method involves estimating a quality metric for every frame in the video stream, accumulating such metrics over time, and transforming the result into a Mean Opinion Score (“MOS”) which represents the viewer's subjective perception of the video stream. The method takes into account various factors such as frame rate, frame types and sizes, decoding algorithms, propagated error rates, and the effect of video content on viewer perception. The method can be used for both encrypted and unencrypted video streams. | 2012-12-06 |
| 20120307916 | TRANSMITTING APPARATUS USING DC CARRIER AND RECEIVING APPARATUS USING DC CARRIER - A transmitting apparatus using DC carrier includes a microcontroller, a transmitting-side communication circuit, an induction reactance unit, a DC isolation unit, and a DC power and signal output terminal. An information signal is received by the microcontroller. The information signal is transferred to a communication signal by the transmitting-side communication circuit. A DC power is received by the induction reactance unit. The DC isolation unit avoids the transmitting-side communication circuit to be impacted by the DC power. The communication signal and the DC power are transmitted from the DC power and signal output terminal to an electric wire. The transmitting apparatus using DC carrier of the present invention can transmit the DC power and the communication signal at the same time with an electric wire to save labor cost and electric wire cost. | 2012-12-06 |
| 20120307917 | CONNECTING VARIOUS WIRELESS TERMINALS OVER POWER LINES - A method of extending the coverage of a wireless communication network having two or more nodes communicating over power lines network is provided herein. The method includes: providing the nodes with respective adapters, each one of the adapters coupling its respective node with the power lines network and being further operable in at least one of: receiving mode, transmitting mode; selecting one or more time-division duplex frequency channel or two or more frequency-division duplex frequency channels for communication over the power line media, such that less interfered frequencies are used, to maintain or to yield an increase in wireless communication performance between the nodes; broadcasting over the power line, via at least one of the adaptors, signals or information indicative of a central frequency point for each one of the selected frequency channels; and establishing a communication link over the power lines network between the nodes via the adaptors. | 2012-12-06 |
| 20120307918 | COMMUNICATION SYSTEM - A communication terminal is provided with: first and second transmission units transmitting signals on a communication line, first and second receiving units receiving signals from another communication terminal; and a communication method switching unit switching the signal communication method. The first transmission unit transmits an electrical current signal to the communication line. The first receiving unit receives a voltage signal obtained by converting, by means of a current/voltage conversion unit, the electrical current signal transmitted from the first transmission unit. The second transmission unit transmits a communication signal to the communication line as a voltage signal. The second receiving unit receives the voltage signal transmitted from the second transmission unit. The communication method switching unit switches between an electrical current transmission method in which transmission is performed by the first transmission unit, and a voltage transmission method in which transmission is performed by the second transmission unit. | 2012-12-06 |
| 20120307919 | Control of Cell Search Procedure - A method, an apparatus and a computer program product for wireless communication, wherein the LTE HSPA carrier aggregation includes an improved HARQ feedback by optimizing the radio interface for the uplink direction. | 2012-12-06 |
| 20120307920 | Method and Apparatus to Perform Function Compression - A functional compression scheme involves determining a minimal entropy coloring of a characteristic graph of a random variable. Various scenarios are disclosed where the determination of the minimal entropy coloring of a characteristic graph is easy and tractable. | 2012-12-06 |
| 20120307921 | METHOD FOR SELECTING A TRANSMISSION MODE - A method and device are provided for selecting a transmission mode, for a first telecommunications entity having a plurality of different modes for transmitting a communications signal to a second telecommunications entity. The various transmission modes provide the same data rate D. The method includes: for a given transmission mode, determining the value of a first metric α that measures degradation relating to a given distance d stemming from the transmission medium of the communications signal for a given environment compared with a reference model for the transmission medium, as a result of a multi-path effect and/or of an attenuation effect of the transmission medium; and comparing values of the metric α for different modes in order to select at least one transmission mode. | 2012-12-06 |
| 20120307922 | UE SIGNAL QUALITY MEASUREMENTS ON A SUBSET OF RADIO RESOURCE ELEMENTS - A user equipment (UE) receives a radio signal which includes a time-frequency grid of radio resource elements. A UE detector measures a signal quality parameter associated with a subset of the radio resource elements in the time-frequency grid. The subset of the radio resource elements is less than a total number of the radio resource elements in the time-frequency grid and corresponds to an individual radio channel. Radio circuitry in the UE reports to a network node the signal quality parameter measured for the subset of the radio resource elements in the time-frequency grid to enable an operation related, for example, to the individual radio channel. | 2012-12-06 |
| 20120307923 | Inverse Signal Transformation - This application presents inverse signal transformation (IST) reversing transmission channel transfer function, in order to achieve a direct recovery of original data and synchronizing clock from received signals affected by all deterministic and random distortions introduced by the channel. The direct data recovery can eliminate an intermediate recovery of signal transmitted originally from received signal, required in conventional solutions before actual data recovery can be made. Therefore IST can prevent signal processing errors added by such intermediate recovery and reduce power consumption and computing resources required in conventional receivers. | 2012-12-06 |
| 20120307924 | MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) TRANSMITTED SIGNAL VECTOR ESTIMATION EMPLOYING MONTE CARLO SAMPLING TECHNIQUES - A method of determining a transmitted vector (x) in a MIMO receiver includes the steps of receiving a received vector (y) representative of the transmitted vector (x), generating a first random number and forming, in a first iteration, a first symbol of a first candidate vector, the candidate vector representing a potential solution vector. The step of forming is based on a first approach if the first random number is greater than a first predetermined value (q), but is based on a second approach if the random number is less than or equal to the first predetermined value (q). The first approach randomly selects the first symbol from a uniform distribution of symbols in the transmission alphabet. The second approach selects the first symbol based on Gibbs sampling. The method represents a randomized Markov Chain Monte Carlo (RMCMC) sampling technique. | 2012-12-06 |
| 20120307925 | Peak-To-Average Power Ratio Reduction For Wireless Communication Systems - Disclosed is a wireless communication signal peak-to-average power ratio reduction, method. The method comprises calculating a peak envelope from an envelope of an input signal using a clipping threshold; smoothing the peak envelope using a window function; mapping the smoothed peak envelope to an attenuation function using the clipping threshold; and applying the attenuation function to the input signal. | 2012-12-06 |
| 20120307926 | BEAM-FORMER SEARCHING METHOD AND CENTRAL UNIT USING THE METHOD - A beam-former searching method and a central unit using the method are proposed. The proposed method is adapted for a coordinated multi-point transmission for macro-diversity or an interference alignment scheme, and includes following steps. A metaheuristic algorithm is used to search for precoders and postcoders respectively for B of collaborative transmitters and U of receivers, where U=B for interference alignment and U=1 for coordinated multi-point transmission for macro-diversity. Memory is initialized by generating solution vectors randomly Utility functions is computed respectively for the generated solution vectors and the generated solution vectors are sorted respectively according to the computed utility functions. A new solution vector is improvised iteratively until the number of iterations reaches a pre-configured algorithm termination upper limit. In addition, a solution vector is selected as an output according to the computed utility functions. | 2012-12-06 |
| 20120307927 | METHODS OF DETERMINING RANK INFORMATION AND RELATED COMMUNICATIONS DEVICES AND SYSTEMS - A method of operating a wireless terminal communicating with a base station over a wireless channel may include determining whether the wireless terminal is in an edge area or an interior area of coverage of the base station. Responsive to determining that the wireless terminal is in an edge area of coverage of the base station, a transmit diversity communications rank indicator may be selected to select diversity communications over the wireless channel between the wireless terminal and the base station. Related wireless terminals are also discussed. | 2012-12-06 |
| 20120307928 | SIGNALING AND CHANNEL ESTIMATION FOR UPLINK TRANSMIT DIVERSITY - In a method of transmitting a data stream from a transmitter in a multiple-input-multiple-output (MIMO) wireless communication system, where the transmitter comprises a plurality of transmit antennas, a discrete Fourier transform (DFT) is applied to the data stream to generate a plurality of symbol sequences; symbols of a first symbol sequence from the plurality of symbol sequences are paired with symbols of a second symbol sequence from the plurality of symbol sequences to generate a plurality of symbol pairs, wherein the pairing results in an orphan symbol; a space-time block code (STBC) is applied to the symbol pairs to generate a plurality of sets of STBC symbols, each set of STBC symbols being associated with a corresponding one of the plurality of antennas; a cyclic delay diversity (CDD) operation is applied to the orphan symbol to generate a plurality of CDD symbols, each CDD symbol being associated with a corresponding one of the plurality of antennas; and each one of the antennas transmits the corresponding set of STBC symbols and the corresponding CDD symbol. | 2012-12-06 |
| 20120307929 | FEEDBACK METHOD FOR INTERFERENCE ALIGNMENT IN WIRELESS NETWORK - A feedback method for interference alignment in wireless network having K transmitters and K receivers is provides. The method comprising: transmitting, performed by transmitter n−1, a precoding vector of transmitter n−1 (n is a integer between 2 and K−1) to receiver n+1; calculating, performed by the receiver n+1, a precoding vector of transmitter n using the precoding vector of transmitter n−1; and transmitting, performed by the receiver n+1, the precoding vector of transmitter n to transmitter n. | 2012-12-06 |
| 20120307930 | Scattered Pilot Pattern And Channel Estimation Method For MIMO-OFDM Systems - A method and apparatus are provided for reducing the number of pilot symbols within a MIMO-OFDM communication system, and for improving channel estimation within such a system. For each transmitting antenna in an OFDM transmitter, pilot symbols are encoded so as to be unique to the transmitting antenna. The encoded pilot symbols are then inserted into an OFDM frame to form a diamond lattice, the diamond lattices for the different transmitting antennae using the same frequencies but being offset from each other by a single symbol in the time domain. At the OFDM receiver, a channel response is estimated for a symbol central to each diamond of the diamond lattice using a two-dimensional interpolation. The estimated channel responses are smoothed in the frequency domain. The channel responses of remaining symbols are then estimated by interpolation in the frequency domain. | 2012-12-06 |
| 20120307931 | Multi-Mode Driver with Multiple Transmitter Types and Method Therefor - A multi-mode driver with multiple transmitter types including a first transmitter coupled to a transmission channel and operative to output a signal for transmission on the channel and a second transmitter coupled to the channel and operative to output the signal for transmission on the channel, the second transmitter having at least one different output characteristic than the first transmitter. During the output of the signal from one of the transmitters, the other of the transmitters is biased with a bias supply voltage that prevents voltage breakdown of one or more transistors of the other transmitter. | 2012-12-06 |
| 20120307932 | DELTA MODULATED LOW POWER EHF COMMUNICATION LINK - A system for communicating modulated EHF signals may include a modulation circuit responsive to a bi-level transmit information signal for generating a transmit output signal. The transmit output signal may have an EHF frequency when the transmit information signal is at a first information state and may be suppressed when the transmit information signal is at a second information state. A transmit transducer operatively coupled to the modulation circuit may be responsive to the transmit output signal for converting the transmit output signal into an electromagnetic signal. | 2012-12-06 |
| 20120307933 | ENERGY EFFICIENT CONSTELLATION METHOD AND SYSTEM - A method and apparatus employing statistical physics energy minimization methods to signal constellation design. By using statistical physics concepts, an energy-efficient signal constellation design algorithm (EE-SCDA) is described. In the presence of amplified spontaneous emission (ASE) noise and channel impairments, we use EE-SCDA to determine a source distribution, and represent the signal constellation design as a center of mass problem. Furthermore a discrete-time implementation of D-dimensional transceiver as well as corresponding EE polarization-division multiplexed (PDM) system is described. | 2012-12-06 |
| 20120307934 | Quality of Service and Rate Selection - Adjusting a Modulation and Coding Scheme (MCS) or more generally, Layer One parameters, for a data packet based on packet information and priority is disclosed. The packet information can typically be extracted from the packet's header. Considering packet-specific information enables cross-layer optimization that can include consideration of packet error rate (PER) constraints, delay constraints, relative importance of packets within a data stream, beamforming (e.g., off or on, implicit or explicit—longer distances are more likely to merit implicit beamforming) constraints, and aggregation as a function of MCS or channel condition (more aggregation is generally desirable for higher MCS or better channels), to name several examples. It is also possible to differentiate drop probability based on the importance of frames like anchor frames, etc. | 2012-12-06 |
| 20120307935 | METHOD AND DEVICE FOR TRANSMITTING/RECEIVING INFORMATION IN CLOSED-LOOP MULTI-ANTENNA SYSTEM - The present invention discloses a method for transmitting information in a closed loop multiple antenna system. The method includes that: a transmission apparatus receives information transmitted from a reception apparatus, wherein the information includes codeword index information; the transmission apparatus selects a corresponding codeword from a double-layer-structure-based codebook according to the codeword index information; the transmission apparatus generates a precoding matrix according to the selected codeword; the transmission apparatus performs precoding for data to be transmitted according to the precoding matrix; the transmission apparatus transmits the precoded data to the reception apparatus. The present invention can enable a formed and used codebook to match channel distribution characteristic of a dual-polarized antenna as much as possible, and minimize performance loss brought by codebook quantization, thereby performance of a precoding system can be effectively improved. | 2012-12-06 |
| 20120307936 | TRANSMITTING APPARATUS, TRANSMITTING METHOD, RECEIVING APPARATUS, AND RECEIVING METHOD - Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S | 2012-12-06 |
| 20120307937 | TRANSMITTER AND MIMO MUTLIPLEX TRANSMISSION METHOD - In MIMO multiplex transmission accompanied by precoding, a reduction of peak power is realized while minimizing deterioration of transmission quality. The present MIMO multiplex transmission method includes a step of generating transmission data corresponding to a plurality of streams to be transmitted simultaneously, a step of performing precoding so that the transmission data is received by a receiver as data orthogonal to each other, a step of applying amplitude clipping to the precoded transmission data in stream units to suppress peaks of the entire transmission power, and a step of suppressing allocation of interference power caused by the amplitude clipping to streams in a good channel state. | 2012-12-06 |
| 20120307938 | CODES AND PREAMBLES FOR SINGLE CARRIER AND OFDM TRANSMISSIONS - Certain aspects of the present disclosure relate to a method for generating a frame structure suitable for use in both single carrier (SC) and Orthogonal Frequency Division Multiplexing (OFDM) transmission modes, while ensuring accurate channel estimation at a receiver. | 2012-12-06 |
| 20120307939 | ESTIMATION OF CHANNEL IMPULSE RESPONSE IN A COMMUNICATION RECEIVER - Embodiments herein provide using extreme value theory (EVT) as a diagnostic to decide which taps are significant. In the low SINR scenario, embodiments herein also provide the following options; i) Fix the model order to a finite value smaller than the model order assumed for the initial CIR estimate. In the case of OFDM based systems, the model order of the CIR is fixed to a value much smaller that the cyclic prefix length. ii) Use the EVT based method to detect significant tap locations and only keep those tap locations such that the CIR length is again restricted to a value smaller than the model order of the initial channel estimate. | 2012-12-06 |
| 20120307940 | PULSE RECEIVER AND METHOD FOR RECEIVING BURST SIGNAL - Provided is a pulse receiver capable of receiving a burst signal and decoding the burst signal with a bit error rate reduced to a target value or less by controlling a determination threshold such that decoding success rate is equal to or less than a predetermined value. A decode unit | 2012-12-06 |
| 20120307941 | RADIO RECEIVER, METHOD OF CALIBRATING RADIO RECEIVER, METHOD OF CORRECTING TIME-INDUCED DEVIATION IN RADIO RECEIVER, AND RADIO BASE STATION APPARATUS - A radio receiver includes a signal divider that divides an intermediate frequency signal obtained by converting a frequency of a radio frequency signal received at an analog reception circuit, into a plurality of signal fragments based on an amplitude, and outputs the signal segments; and a plurality of analog to digital converters that perform an analog to digital conversion on the respective signal fragments divided by the signal divider, and output the signal fragments toward a digital reception circuit. | 2012-12-06 |
| 20120307942 | APPARATUS AND METHOD FOR SOFT DEMAPPING - Provided is a soft demapping apparatus that may detect a log likelihood ratio (LLR) value of a quadrature amplitude modulation (QAM) signal, using a shifted table scheme, may designate a sub-region of the QAM signal corresponding to bit information that is obtained by decoding the LLR value, and may calculate an LLR value of other bit information included in the designated sub-region. | 2012-12-06 |
| 20120307943 | RECEIVER CIRCUIT AND RECEIVER APPARATUS - Ano signal period detecting unit ( | 2012-12-06 |
| 20120307944 | RECEIVING APPARATUS AND RECEIVING METHOD - A receiving apparatus includes a symbol timing detection unit, a Fourier transform unit, a first symbol timing correction unit, and an interpolation synthesis unit. The symbol timing detection unit is configured to detect a Fourier transform start position from a received transmitting signal of a symbol unit, the Fourier transform unit is configured to perform a Fourier transform using the detected Fourier transform start position. The first symbol timing correction unit is configured to calculate and correct an amount of change between the Fourier transform start position of a reference symbol and the detected Fourier transform start position, and the interpolation synthesis unit is configured to perform an interpolation synthesis of a plurality of delay profiles corresponding to a plurality of symbols including the reference symbol and a symbol in which the amount of change is corrected. | 2012-12-06 |
| 20120307945 | METHOD AND APPARATUS FOR SINGULAR VALUE DECOMPOSITION OF A CHANNEL MATRIX - A method and apparatus for decomposing a channel matrix in a wireless communication system are disclosed. A channel matrix H is generated for channels between transmit antennas and receive antennas. A Hermitian matrix A=H | 2012-12-06 |
| 20120307946 | METHOD OF ESTIMATING THE SYMBOLS OF A DIGITAL SIGNAL AND RECEIVER FOR IMPLEMENTING SAID METHOD - The invention relates to a method of estimating symbols carried by a digital signal that is received by a receiver over a communication channel ( | 2012-12-06 |
| 20120307947 | SIGNAL PROCESSING CIRCUIT, WIRELESS COMMUNICATION DEVICE, AND SIGNAL PROCESSING METHOD - An exemplary object is to provide a signal processing circuit, a wireless communication device, and a signal processing method for reducing crosstalk of an adjacent interfering signal in a desired signal. A signal processing circuit | 2012-12-06 |
| 20120307948 | METHOD TO CANCEL IMPULSIVE INTERFERENCE FROM A SIGNAL PROCESSING SYSTEM - A method of canceling impulsive interference from a communications signal is provided. The method includes identifying an impulse interference contained in the communications signal, generating a model of impulse interference, matching the model in at least one of amplitude, phase and envelope time delay to the identified impulse interference, and cancelling the identified impulse interference by subtracting the matched model from the identified impulse interference. | 2012-12-06 |
| 20120307949 | Burst Mode Clock and Data Recovery Circuit and Method - Burst mode clock and data recovery (BCDR) circuit and method capable of fast data recovery of passive optical network (PON) traffic. An over-sampled data stream is generated from an input burst data signal and a phase interpolator generates sampling clock signals using a reference clock and phase information. A phase estimation unit (PEU) determines a phase error in the over-sampled data streams; and a phase retrieval unit sets the phase interpolator with the respective phase information of the input burst data signal prior to reception of the input burst data signal. | 2012-12-06 |
| 20120307950 | NUCLEAR FUSION TARGET, NUCLEAR FUSION DEVICE, AND NUCLEAR FUSION METHOD - An object is to be capable of inducing a nuclear fusion reaction at a relatively high efficiency and downsize a device. A nuclear fusion device | 2012-12-06 |
| 20120307951 | Liquid Lithium First Walls for Electromagnetic Control of Plasmas in Fusion Power Reactor Environments - A method, system, and apparatus are disclosed for liquid lithium first walls for electromagnetic control of plasmas in fusion power reactor environments. In particular, the method involves installing at least one layer of at least one tile on the surface area of the internal walls of the reactor chamber. A portion of the tile(s) facing the interior of the reactor chamber includes a plurality of channels. The method further involves applying an electric charge to the liquid lithium. Further, the method involves circulating the liquid lithium throughout the interior network of the tile(s) to allow for the liquid lithium to flow into the channels and to reach the external surface of the tile(s) that faces the interior of the reactor chamber. In some embodiments, the method also involves installing at least one magnetic coil between the tile(s) and the surface area of the internal walls of the reactor chamber. | 2012-12-06 |
| 20120307952 | NEUTRON DETECTOR - The Cherenkov effect is used to detect neutrons emitted by man-made radioactive materials. Water or other liquid or gas may be used as a detection medium. The water may include a dispersed or dissolved dopant having a high neutron capture cross-section, which renders the dopant able to absorb and react with neutron radiation effectively. When the dopant absorbs, or reacts with, a neutron particle, the result of the reaction may be the generation of beta particles which can be detected via the accompanying emission of light, dispersed or dissolved, according to the Cherenkov effect. | 2012-12-06 |
| 20120307953 | General Radioisotope Production Method Employing PET-Style Target Systems - Methods for producing a radioisotope by a charged particle irradiation of a fluid target matrix are provided. A method of producing a radioisotope includes irradiating a fluid target matrix comprising a compound of a target isotope with a charged particle beam to transform at least a portion of the target isotope to the radioisotope, and isolating the radioisotope from the irradiated fluid target matrix. The target isotope may be an isotope of cadmium, an isotope of thallium, an isotope of zinc, an isotope of gallium, an isotope of tellurium, an isotope of molybdenum, an isotope of rhodium, an isotope of selenium, an isotope of nickel, an isotope of yttrium, an isotope of strontium, an isotope of bismuth, an isotope of tungsten, and an isotope of titanium, provided that the target isotope is not Mo-100. | 2012-12-06 |
