44th week of 2010 patent applcation highlights part 30 |
Patent application number | Title | Published |
20100278244 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278245 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278246 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278247 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278248 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278249 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278250 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278251 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278252 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278253 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278254 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278255 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278256 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278257 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278258 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278259 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278260 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278261 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278262 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278263 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278264 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278265 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278266 | METHOD OF GENERATING IMAGE DATA - Search is performed on Intra 16 to obtain a prediction mode leading to a minimum cost, and the minimum cost in Intra 16 and a corresponding prediction mode are stored. Search is performed on Intra 8 to obtain a prediction mode leading to a minimum cost, and then a relationship of magnitude between the stored minimum cost in Intra 16 and the minimum cost in Intra 8 is judged. After that, the minimum cost in Intra 8 and a corresponding prediction mode are stored, and search is performed on Intra 4 to obtain a prediction mode leading to a minimum cost. A relationship of magnitude between cost_intra and the minimum cost in Intra 4 is judged, and Intra 4 is determined as an optimum prediction mode in a case where Intra 4 is smaller. | 2010-11-04 |
20100278267 | METHODS AND APPARATUS FOR VIDEO ENCODING AND DECODING USING PARAMETRIC FILTERING - There are provided methods and apparatus for video coding. Using the method, a video encoder ( | 2010-11-04 |
20100278268 | METHOD AND DEVICE FOR VIDEO CODING AND DECODING - A method of encoding/decoding a video and an apparatus thereof are disclosed. An embodiment of the present invention provides an encoding/decoding method and apparatus thereof that can interpolate a frame to be skipped with the consideration of the property of the frame. Accordingly, an embodiment of the present invention can encode and decode by using a frame-skipping method having low complexity. | 2010-11-04 |
20100278269 | Systems and Methods for using DC Change Parameters in Video Coding and Decoding - The present application discloses systems and methods for using DC change parameters in video coding. In one embodiment, the method includes the steps of: (a) obtaining a DC change parameter; (b) decoding encoded video data to obtain reconstructed pixel values; and (c) using the reconstructed pixel values, a filter, and the DC change parameter to obtain filtered reconstructed pixel values with a DC change. | 2010-11-04 |
20100278270 | VIDEO ENCODING/ DECODING METHOD AND APPARATUS FOR MOTION COMPENSATION PREDICTION - A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included. | 2010-11-04 |
20100278271 | Method And System For Adaptive Rate Video Compression And Transmission - For a portion of video data, a video processing device generates a plurality of compressed video bit streams comprising different bit rates, and selects one stream per portion of video data to transmit to a display device. The streams may be generated concurrently. Bit rates are determined based on operating conditions and link performance. The selections are determined dynamically in response to received information. The streams may be compressed utilizing different compression schemes, for example, DPCM and/or transform compression. The bit rates may be dynamically adjusted by adjusting compression scheme, compression parameters, frame size, frame rate, color space and/or chroma sampling. The portion of video data may comprise contiguous horizontal rows or portions of rows of pixels, a full frame and/or a scaled frame. Information is communicated to the display device for control of decompression operations. The display device receives, decompresses, reconstructs and displays the selected bit stream. | 2010-11-04 |
20100278272 | MULTISTANDARD VIDEO DECODER - A system and method for processing video are disclosed. The method may include, in a chip, parsing an encoded video stream to determine one or more identifiers that identifies one or more corresponding CODEC to be utilized for decoding one or more corresponding portions of said encoded video stream. Corresponding portions of the encoded video stream may be decoded utilizing the identified one or more corresponding CODECs. The corresponding portions of the encoded video stream may be concurrently decoded utilizing the identified one or more corresponding CODECs. The one or more corresponding CODECs to be utilized for the decoding of the one or more corresponding portions of the encoded video stream may be selected from a plurality of CODECs. | 2010-11-04 |
20100278273 | DEVICE AND METHOD FOR ENCODING/DECODING VIDEO DATA - Disclosed are a method of encoding/decoding video data and a device thereof. The device includes a toolbox, which stores a plurality of functional units, a reconstruction unit, which reconstructs a decoder description by receiving a compressed decoder description, a decoder description parsing unit, which converts the decoder description to an XML-based decoder description, an ADM generating unit, generates an abstract decoding model (ADM) by using the XML-based decoder description, and a decoding solution, which loads the plurality of functional units stored in the toolbox by using the ADM or the XML-based decoder description to decode input data to video data. With the present invention, it is possible to reconstruct and reassemble a decoder in various forms by using a decoder description. | 2010-11-04 |
20100278274 | VSB RECEPTION SYSTEM WITH ENHANCED SIGNAL DETECTION FOR PROCESSING SUPPLEMENTAL DATA - A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission system in a reverse order of the VSB transmission system by using the sequence, and a demultiplexer for demultiplexing the data from the modified legacy VSB receiver into the MPEG data and the supplemental data. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance. | 2010-11-04 |
20100278275 | DISTORTION ESTIMATION - According to an implementation, a value of distortion is determined ( | 2010-11-04 |
20100278276 | DTV TRANSMITTER AND METHOD OF CODING DATA IN DTV TRANSMITTER - A DTV transmitter includes a pre-processor expanding original enhanced data, a data formatter generating enhanced data packets including the expanded enhanced data and inserting known data place holders into the data packets, a multiplexer multiplexing the enhanced data packets with main data packets including main data, and an RS encoder adding systematic RS parity data to each main data packet and adding non-systematic RS parity data holders to each enhanced data packet. It further includes a data interleaver interleaving the RS-coded data packets, a known data generator generating know data symbols, a converter converting the interleaved data packet into symbols, and a symbol processor processing the converted symbols. The symbol processor removes symbols representing the null data, encodes symbols representing the original enhanced data at a rate of N/M, and replaces symbols representing the know data place holders with known data symbols. | 2010-11-04 |
20100278277 | DECODING APPARATUS AND METHOD USING ORTHOGONAL SPACE-TIME BLOCK CODES ROBUST TIMING ERRORS - Provided is a decoding apparatus and method using orthogonal space-time block codes (OSTBCs) robust against timing errors. The decoding apparatus may include: a cyclic prefix removal unit to receive a signal, and to remove a cyclic prefix in the signal; an inverse discrete Fourier transform (IDFT) unit to apply an IDFT to the signal with the removed cyclic prefix; a guard band removal unit to remove a guard band in the inverse discrete Fourier transformed signal, and to generate a complex matrix; a channel estimation unit to transmit a carrier corresponding to the complex matrix and channel status information associated with transmit and receive antennas; and a decoder to calculate a channel status vector with respect to a complex symbol included in the complex matrix, using the channel status information, and to calculate an inner product between the channel status vector and the complex matrix, to restore the complex symbol. | 2010-11-04 |
20100278278 | METHOD FOR SETTING PRECODER IN OPEN LOOP MIMO SYSTEM - A feedback method of a user equipment in an open loop Multiple-Input Multiple-Output (MIMO) system is disclosed. The method includes, receiving one of a plurality of modes determined according to types of resources to be used for performing feedback from a base station, and selecting a precoding matrix from a codebook subset corresponding to the received mode, applying the selected precoding matrix, and transmitting feedback information. Different codebook subsets are configured with respect to the plurality of modes, and the codebook subset is configured by extracting a predetermined number of elements from a base codebook based on a predetermined criterion considering the characteristics of the modes. | 2010-11-04 |
20100278279 | Mimo wireless data transmission system - A MIMO wireless data transmission system including a data arrangement in which data to be sent is divided for each transmission stream of MIMO with adding an error detection code thereto and thereby resending a subframe's worth of data when an error occurred at the time of resending. It therefore becomes to avoid the same frame being sent again at the time of resending. | 2010-11-04 |
20100278280 | Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof - In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used. | 2010-11-04 |
20100278281 | METHOD FOR TRANSMITTING INFORMATION IN A TELECOMMUNICATION SYSTEM FEATURING MULTIPLE FREQUENCY BANDS - A method for transmitting data in a telecommunication system including at least one communication network CNW | 2010-11-04 |
20100278282 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A method of transmitting data including controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data, to be closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data. With regard to first bit positions of the predetermined bits, the first bit positions being distinguished from second bit positions based on an error tolerance resulting from a correspondence to a signal point on a phase plane. Wherein a sum of a number of the predetermined bits included in the first data block and the predetermined bits included in the second data block is less than a total number of the first bit positions. Also including performing multi-level modulation for transmission based on the generated bit sequences. | 2010-11-04 |
20100278283 | APPARATUS AND ASSOCIATED METHODS TO PERFORM SPACE-FREQUENCY INTERLEAVING IN A MULTICARRIER WIRELESS COMMUNICATION CHANNEL - An apparatus and associated methods for performing space-frequency interleaving in a multicarrier wireless communication system is generally described. | 2010-11-04 |
20100278284 | METHOD AND SYSTEM FOR SYMBOL DETECTION USING SUB-CONSTELLATIONS - Systems and methods for symbol detection using sub-constellations are provided. In one aspect of the disclosure, an apparatus is provided. The apparatus comprises a processing unit configured to process received chips into received symbols for a plurality of users, a first detection unit configured to detect first components of user symbols for the plurality of users based on the received symbols and a computation unit configured to compute a portion of the received symbols due to the first components of the user symbols. The apparatus further comprises a second detection unit configured to detect second components of the user symbols based on the received symbols with the computed portion removed and a combining unit configured to detect the user symbols by combining the first components of the user symbols with the respective second components of the user symbols. | 2010-11-04 |
20100278285 | WIRELESS SIGNAL RECEIVING METHOD AND RECEIVER UTILIZING THE SAME - A receiver receiving a Radio Frequency (RF) signal and generating a baseband signal is provided. An RF module receives the RF signal and down convert the RF signal according to a first oscillation frequency to generate an Intermediate Frequency (IF) signal. An IF module is coupled to the RF module and arranged to receive the IF signal and down convert the IF signal according to a second oscillation frequency to generate the baseband signal. A calibration module is coupled to the RF module and arranged to calculate the IF signal according to a third oscillation frequency to detect an I/Q mismatch, and generate an adjustment signal, accordingly, to calibrate the I/O mismatch. | 2010-11-04 |
20100278286 | COMMUNICATION UNITS, COMMUNICATION SYSTEM AND METHODS FOR MODULATION AND DEMODULATION | 2010-11-04 |
20100278287 | List Output Viterbi Deconder with Blockwise ACS and Traceback - A Viterbi decoder for decoding convolution-coded data blocks has a memory region ( | 2010-11-04 |
20100278288 | CHANNEL ESTIMATION METHOD AND SYSTEM FOR INTER-CARRIER INTERFERENCE-LIMITED WIRELESS COMMUNICATION NETWORK - A method and system for wireless communication channel estimation. A frequency offset hypothesis is determined. An interchannel interference (“ICI”) matrix based on the frequency offset hypothesis is generated. Pilot channel estimates based on the ICI matrix are obtained. A correlation error of the pilot channel estimates to the frequency offset hypothesis is calculated. The correlation error is compared with a predetermined correlation error value. The frequency offset hypothesis is updated and the aforementioned steps are iteratively repeated if the correlation error is greater than the predetermined correlation error value. The pilot channel estimates are used to estimate the wireless communication channel. | 2010-11-04 |
20100278289 | MULTISTAGE CHANNEL ESTIMATION METHOD AND APPARATUS - A multistage channel estimation method and apparatus is provided. The multistage channel estimation method includes: receiving a data frame to compensate for a distortion of the data frame based on a first channel estimation value associated with a corresponding section of the data frame; a first step of changing the corresponding section to calculate a second channel estimation value associated with the changed section; a second step of updating the first channel estimation value based on the calculated second channel estimation value; a third step of compensating for the distortion of the data frame based on the updated first channel estimation value to count a number of compensations; and repeating the first step through the third step, when the counted number of compensations does not match a predetermined numerical value. | 2010-11-04 |
20100278290 | TRAFFIC-TO-PILOT RATIO ESTIMATION FOR MIMO-OFDM SYSTEM - A method for estimating a traffic-to-pilot ratio (TPR) for a received signal is disclosed. The received signal is despatialized to obtain a despatialized received signal. A channel matrix is despatialized to obtain a despatialized channel matrix. The despatialized received signal is whitened to obtain a pre-whitened despatialized received signal. The despatialized channel matrix is whitened to obtain a pre-whitened despatialized channel matrix. The estimated TPR for the received signal is determined using the pre-whitened despatialized received signal and one or more pre-whitened despatialized channel estimation coefficients. | 2010-11-04 |
20100278291 | SYSTEM AND METHOD FOR ADVANCED ADAPTIVE PSEUDOWIRE - A system and method for separating clock recovery for a pseudowire communication. An incoming signal is received for a pseudowire communication. The incoming signal is separated into a first signal and a second signal. Packets within the first signal are ordered in a first register. A clock signal is extracted from the second signal in a second register to generate a modified clock signal. A delay is incurred during generating of the modified clock signal. The first signal is communicated utilizing the modified clock signal. | 2010-11-04 |
20100278292 | METHOD AND APPARATUS FOR UNIT INTERVAL CALCULATION OF DISPLAYPORT AUXILLIARY CHANNEL WITHOUT CDR - A method for decoding a Manchester-II encoded DISPLAYPORT compatible signal is provided. In this method, several counters are reset. A unit interval (UI) counter is incremented for each UI received upon receipt of a valid UI, and the value of the UI counter is compared to a plurality of threshold values after the UI counter is incremented. When the value of the UI counter exceeds each of the threshold values, for each clock cycle, a sum counter is incremented corresponding to the exceeded threshold value, and a plurality of window lengths are calculated, where each window is calculated based at least in part on the value of one of the sum counters at predetermined values of the UI counter. | 2010-11-04 |
20100278293 | PARTICLE BEAM TARGET WITH IMPROVED HEAT TRANSFER AND RELATED APPARATUS AND METHODS - A particle beam target for producing radionuclides includes a target body, a target cavity, parallel grooves, peripheral bores, and radial outflow bores. The parallel grooves are formed in a back side of the target body and include respective first and second groove ends. The peripheral bores extend through the target body from the plurality of grooves generally toward the front side that receives a particle beam. Each groove communicates with a peripheral bore at the first groove end and another peripheral bore at the second groove end. The radial outflow bores extend radially from the plurality of peripheral bores. The target body defines a plurality of liquid coolant flow paths. Each liquid coolant flow path runs from a respective groove to at least one of the first groove end and the second groove end of the respective groove, through at least one peripheral bore, and through at least one radial outflow bore. | 2010-11-04 |
20100278294 | EMERGENCY CORE COOLING DUCT FOR EMERGENCY CORE COOLING WATER INJECTION OF A NUCLEAR REACTOR - The present invention relates to a longitudinally divided emergency core cooling (ECC) duct in order to efficiently inject safety water to core of a pressurized light-water nuclear reactor. The ECC duct includes side supports for preventing the flow-induced vibration in the annular downcomer, and has structural stability while thermally expanding and contracting. A longitudinally divided ECC duct for emergency core cooling water injection of a nuclear reactor is provided on the periphery of a core barrel of a nuclear reactor, includes an emergency core cooling water inlet facing a direct vessel injection nozzle, and extends in a longitudinal direction of the core barrel. The longitudinally divided ECC duct is divided into a plurality of longitudinally-divided ducts in the longitudinal direction of the longitudinally divided ECC duct. | 2010-11-04 |
20100278295 | JITTER-FREE SPATIAL TRIGGERING OF A DETECTOR OF A CT SYSTEM - A method is disclosed for acquiring measured data by way of a computed tomography system, wherein the measured data is acquired by a detector unit disposed opposite the radiation source during a rotation of a radiation source around an examination object. In at least one embodiment, the rotation is subdivided into succeeding time segments during each of which measured data is acquired, and each of the succeeding time segments has either a first length or a second length consisting of two predefined lengths. | 2010-11-04 |
20100278296 | METHOD FOR ENERGY SENSITIVE COMPUTED TOMOGRAPHY USING CHECKERBOARD FILTERING - Methods for energy-sensitive computed tomography systems that use checkerboard filtering. A method of enhancing image analysis of projection data acquired using a detector configured with a checkerboard filter includes disposing in a system a detector to receive a transmitted beam of X-rays traversing through an object, where the system is configured so the detector receives both high- and one of total- and low-energy projection data; receiving the high- and one of total- and low-energy projection data at the detector; and then estimating an effective atomic number of the object and/or processing the projection data so as to mitigate reconstruction artifacts. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appended claims. | 2010-11-04 |
20100278297 | GRATING WITH A LARGE ASPECT RATIO, IN PARTICULAR TO BE USED AS AN X-RAY OPTICAL GRATING IN A CT SYSTEM, PRODUCED BY A LITHOGRAPHY METHOD - A grating with a large aspect ratio is disclosed, in particular to be used as an X-ray optical grating in a CT system and in particular produced by a lithography method. In at least one embodiment, the grating includes a multiplicity of recurring alternating grating webs and grating gaps with a height, and a multiplicity of filler beams, respectively arranged in the grating gaps with a spacing from one another in the direction of the gaps, which beams connect respectively adjacent grating webs over their height. In at least one embodiment, the grating webs and the grating gaps run from a first to a second side of the grating, and a filler beam has a width in the direction of the gaps and this width is at most 10% of the spacing between two adjacent filler beams. In at least one embodiment, the spacings between respective adjacent filler beams in a grating gap do not vary by more than 10% in the entire grating. At least one embodiment of the invention furthermore relates to a CT system containing at least one grating according to at least one embodiment of the invention. | 2010-11-04 |
20100278298 | CT SYSTEM AND METHOD FOR PHASE-CONTRAST AND ABSORPTION IMAGING - A CT system is disclosed for phase-contrast and absorption imaging with a plurality of emitter-detector systems. In at least one embodiment, there are at least two emitter-detector systems and the at least two emitter-detector systems have a different distance between radiation focus and detector and there is a computational element for calculating phase-contrast images on the basis of the solution to the intensity transport equation. Moreover, at least one embodiment of the invention relates to a method for phase-contrast and absorption imaging using such a CT system by comparing attenuation images recorded at different distances of a detector from a multiplicity of projection angles by solving the intensity transport equation and reconstruction or comparison of two tomographic and three-dimensional image data records, reconstructed from projections, which were recorded at different distances. | 2010-11-04 |
20100278299 | DENTAL X-RAY APPARATUS AND ASSOCIATED METHOD - A dental X-ray apparatus of the conical-beam digitized-tomography type includes: an X-ray generator emitting an X-ray beam towards an object and provided with a collimation element for collimating the emitted beam; an X-ray sensor having an active surface arranged opposite the generator; wherein the generator and the sensor can rotate simultaneously about a rotation axis, the sensor being oriented so that a longitudinal axis extending from the generator to the sensor through the rotation axis is perpendicular to the active surface of the sensor, the center of the sensor being transversally offset relative to the projection of the axis on the sensor's active surface, the arrangement of the collimation element and the sensor thus offset defining that the collimated beam illuminates the sensor's active surface while leaving a peripheral area of the surface that is faintly illuminated by the collimated beam relative to the rest of the active surface. | 2010-11-04 |
20100278300 | EXTREMITY IMAGING APPARATUS FOR CONE BEAM COMPUTED TOMOGRAPHY - An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius R | 2010-11-04 |
20100278301 | STEREOSCOPIC X-RAY SYSTEM AND METHOD - Disclosed are systems and methods for obtaining stereoscopic x-ray images. The method includes taking two digital x-ray views of the same object from differing positions. The included angle between the axes of the x-rays for each position generally coincides with that formed by a pair of eyes viewing the object, though larger angles can be used. The x-rays can be taken by two x-ray generators within a single housing or within separate but attached housings. The generators are spaced apart and aimed at the object to form the appropriate angle. Care is taken not to move the object. Preferably, the x-ray generators have dual collimators to take the views. In this case, the time between taking the two x-rays need only be as long as the image capture time of the sensor being used, which lessens the chance of the object moving. | 2010-11-04 |
20100278302 | Apparatus for Detecting Specific Element - An apparatus for detecting a specific element for detecting presence or content concentration of a specific element contained in a measurement target, which includes a raw material, such as soil or ore, a product in the form of powder, granule or gravel, and an intermediate product, a by-product, a waste material and the like generated during a process for producing the product, the apparatus comprising fluorescent X-ray measuring means that radiates an X-ray to the measurement target and measures a fluorescent X-ray generated thereby to detect the presence of the content concentration of the specific element, and film feeding means that inserts a resin film between a measuring window of the fluorescent X-ray measuring means and the measurement target, and feeds a fresh resin film between the measuring window and the measurement target along with repetition of detection of the specific element, whereby the intensity of the fluorescent X-ray can be prevented from being attenuated by measuring with the measuring window of the fluorescent X-ray measuring device in close contact with the measurement target through the resin film, the content concentration of the specific element in the order of several tens mg/kg can be accurately measured, and the measurement target can be prevented from being attached to the measuring window with the resin film. | 2010-11-04 |
20100278303 | Localization of an Element of Interest by XRF Analysis of Different Inspection Volumes - An apparatus and method are disclosed for localizing an element of interest in a sample by comparing XRF spectra acquired from at least two distinct but overlapping inspection volumes. The inspection volumes are varied by changing the geometry of the exciting x-ray and/or fluoresced x-ray beam(s), which may be accomplished by repositioning multi-apertured collimators. Comparison of the XRF spectra acquired from different inspection volumes provides an indication as to whether the element of interest (e.g., lead) is present in a coating layer, in the underlying bulk material, or in both. | 2010-11-04 |
20100278304 | X-RAY IMAGING APPARATUS, X-RAY IMAGING METHOD AND METHOD OF CONTROLLING X-RAY IMAGING APPARATUS - A simplified X-ray imaging apparatus is capable of computationally determining effective atomic numbers with small error factors even for light elements. The X-ray imaging apparatus has an X-ray generation unit | 2010-11-04 |
20100278305 | MACHINE FOR INTRAOPERATIVE RADIATION THERAPY - Machine for intraoperative radiation therapy or IORT (Intra Operative Radio Therapy), comprising a body, a radiating head ( | 2010-11-04 |
20100278306 | Apparatus for Respiration State Gated Brachytherapy - During treatment by brachytherapy, radiation passes beyond the target volume and delivers radiation dose to adjacent tissue such as the lungs and, especially in the case of treatment of the left breast, to the heart. The heart is particularly vulnerable to radiation; to minimise the dose it receives in such circumstances, we propose an apparatus for treatment by brachytherapy comprising an X-ray source sized for insertion into a patient, a respiration state monitor, and a control apparatus adapted to receive respiration state information from the respiration state monitor and control the output of the X-ray source; the control apparatus being arranged to operate the X-ray source at a first output level when the respiration state monitor indicates a degree of lung inflation above a first preset threshold and operate the X-ray source at a second and lower output level when the respiration state monitor indicates a degree of lung inflation below a second preset threshold. | 2010-11-04 |
20100278307 | Thermionic Emitter Designed To Provide Uniform Loading and Thermal Compensation - An electron emitter assembly for use in an x-ray emitting device or other electron emitter-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a target surface, and a cathode positioned with respect to the anode. The cathode includes an electron emitter having a plurality of substantially parallel emission surfaces that collectively emit a beam of electrons for impingement on the target anode. In one aspect, the plurality of substantially parallel emission surfaces are angled relative focusing region so as to provide a substantially uniform thermal load on the target anode. In another aspect, the electron emitter includes a plurality of cut-outs that accommodate thermal expansion in the plane of the emitter. Accommodating thermal expansion in the plane of the emitter prevents distortions to the emitter that would tend to alter the focusing of the electrons on the target anode. Providing a substantially uniform thermal load on the target anode and preventing thermal distortion of the emitter lead to higher x-ray flux and better focusing for higher quality x-ray images. | 2010-11-04 |
20100278308 | X-RAY TUBE - According to one embodiment, a distance from an X-ray tube central axis to an outer side surface of a cathode electron gun in a direction perpendicular to the longitudinal direction of a filament coil is made less than a distance from the X-ray tube central axis to an outer side surface of the cathode electron gun in the longitudinal direction of the filament coil, and a distance from the X-ray tube central axis to an X-ray radiation window in the direction perpendicular to the longitudinal direction of the filament coil is made less than a distance from the X-ray tube central axis to an X-ray radiation window in the longitudinal direction of the filament coil. | 2010-11-04 |
20100278309 | SCATTERED ELECTRON COLLECTOR - Scattered electron collector comprising a heat absorbing member having a first end, a second end, an outer periphery and a central bore ( | 2010-11-04 |
20100278310 | MULTI-LEAF COLLIMATOR WITH ROTATORY ELECTROMECHANICAL MOTOR AND OPERATING METHOD - Multi-leaf collimators have a guide frame ( | 2010-11-04 |
20100278311 | DEVICE AND METHOD FOR SCALING MEDICAL IMAGES - A radiographic image scaling device comprises a mounting unit and a reference object attached to the mounting unit. The reference object has a known actual size and shape and a sufficient radio-opacity to be visibly measurable in a radiographic image. The mounting unit has a radio-opacity that is different than that of the reference object, and a rigid body with at least one curved portion engagable with a surface for receiving a subject. The reference object is attached to a location on the mounting unit body that incremental movement of the mounting unit relative to the surface along the curved portion causes the reference object to incrementally move relative to the surface. Particularly, the reference object can be radio-opaque and the mounting unit can be is radiolucent. | 2010-11-04 |
20100278312 | CORE MEASUREMENTS STAND FOR USE WITH A PORTABLE XRF ANALYZER - A support stand for an associated handheld analyzer is used to measure properties of an associated soil sample. The stand includes a shield situated in a first plane above an associated soil sample, a platform opening in the shield, a support platform moveable relative to the platform opening, and a mechanism to move the platform relative to the shield along an axis substantially perpendicular to the first plane. The platform supports the associated analyzer above the associated soil sample such that the associated analyzer can move relative to the associated soil sample. | 2010-11-04 |
20100278313 | DIGITAL SUBSCRIBER LINE TESTING TOOL - A broadband service, such as Digital Subscriber Line (DSL) service, may be tested by a technician installing or performing maintenance on the broadband service. The technician may use the subscriber's computer as a test set, in which the technician may login to a testing service that may test the line using test equipment located externally to the subscriber premise. A test application may receive, from a computing device located at the subscriber premise, a request to test the broadband service at the subscriber premise as part of installation of the broadband service. The test application may initiate a test of the broadband service using test equipment located externally to the subscriber premise. The test may include tests relating at least to the physical layer of the broadband network connection. Results of the test may be transmitted to the subscriber premise. | 2010-11-04 |
20100278314 | METHOD AND APPARATUS FOR DISSEMENATING INFORMATION RELATING TO A LOCAL EMERGENCY CONDITION - A method for disseminating information relating to a local emergency condition includes: a) receiving an incoming message from a user device directed to a destination device within a emergency response organization; b) determining if the incoming message can be connected to the destination device without wait time; and c) sending an outgoing message to the user device if the incoming message cannot be connected without wait time. The outgoing message may provide a status report for the local emergency condition within a geographic area served by the emergency response organization and a guidance report with a response measure. A network node associated with the method may include an incoming message module for receiving the incoming message, a message handling module for determining if the incoming message can be connected to the destination device without wait time, and an outgoing message module for sending the outgoing message to the user device. | 2010-11-04 |
20100278315 | METHOD AND APPARATUS FOR DISSEMENATING INFORMATION RELATING TO A LOCAL EMERGENCY CONDITION - A method for disseminating information relating to a local emergency condition includes providing a user device with access to an outgoing announcement via a network node in a communication network, the outgoing announcement accessible via a non-emergency network address for a destination device of an information service organization that provides information service relating to local emergency conditions for a geographic area, the outgoing announcement providing information for a local emergency condition within the geographic area; receiving an incoming call originated by the user device and directed to the non-emergency network address, the network node and the user device being located within the predetermined geographic area; connecting the incoming call to the destination device; and routing the outgoing announcement from the destination device to the user device through the network node. A network node associated with the method may include an input module, a handling module, and an output module. | 2010-11-04 |
20100278316 | SYNCHRONOUS AND ASYNCHRONOUS BROKERING OF IVR SESSIONS FOR OFFLINE INTERACTION AND RESPONSE - An IVR session brokering service provides as one core mechanism, a pool of intelligent software agents residing on a cluster-able software services platform. These agents could be designed to act as stateful and customized interaction brokers for interacting automatically and semi-automatically with existing IVR systems. Customers and users would use this brokering service as an IVR normalization and aggregation mechanism for centralizing and personalizing their user experience with a full range of IVR systems that are of interest to them. The service could consume, operate on and transform voice and touchtone communication information that is transmitted between IVR systems and the end-user customers that are currently using those IVR systems. | 2010-11-04 |
20100278317 | SPEAKER RECOGNITION IN A MULTI-SPEAKER ENVIRONMENT AND COMPARISON OF SEVERAL VOICE PRINTS TO MANY - One-to-many comparisons of callers' voice prints with known voice prints to identify any matches between them. When a customer communicates with a particular entity, such as a customer service center, the system makes a recording of the real-time call including both the customer's and agent's voices. The system segments the recording to extract at least a portion of the customer's voice to create a customer voice print, and it formats the segmented voice print for network transmission to a server. The server compares the customer's voice print with multiple known voice prints to determine any matches, meaning that the customer's voice print and one of the known voice prints are likely from the same person. The identification of any matches can be used for a variety of purposes, such as determining whether to authorize a transaction requested by the customer. | 2010-11-04 |
20100278318 | System and Method for Detecting Emotions at Different Steps in a Communication - The system and method establish a communication with a first party. A first emotion is detected during a first step during the communication. Steps in the communication can include: establishing a call, waiting in a queue, talking with an agent, communicating with an IVR system, and the like. A second emotion is detected at a different step in the communication. Alternatively, the first and second emotions are detected in two different but related communications. The detection of the first and/or second emotion determines how to process the communication. Examples of processing a communication can include routing the communication differently, selecting a different script for an agent, selecting a different agent, and the like. In addition, the communication can also be processed differently based on other additional parameters. | 2010-11-04 |
20100278319 | VOICEMAIL WITH DATA CONTENT - Techniques for attaching content to a voicemail are described. Content may be attached to a voicemail by storing the content and the voicemail in a common container or envelope, embedding the content at a location within the voicemail, tagging the content with an identifier identifying the voicemail, tagging the voicemail with a tag identifying the content and a location of the content on a network, or otherwise associating the content with the voicemail. A representation of the content to be attached to the voicemail may be visually displayed on a user interface of an originating telecommunications device before attaching the content to the voicemail. | 2010-11-04 |
20100278320 | METHOD AND APPARATUS FOR INTERRUPTING AN ACTIVE TELEPHONY SESSION TO DELIVER INFORMATION TO A SUBSCRIBER - A method and apparatus for delivering information to a subscriber involved in an active telephony session is provided. A message originating from a sender and directed to the subscriber is received. Information related to the message is delivered to the subscriber by interrupting the active telephony session involving the subscriber. | 2010-11-04 |
20100278321 | PHONECASTING REFERRAL SYSTEMS AND METHODS - Incoming phone calls are answered with playback of an audio feed. A listener can enter a phone number or other identifier to refer a friend. A message recommending the phonecast is then sent to the friend, possibly including a link or some other form of a ‘click-to-call’ facilitation. In some embodiments, the message is a text message sent via the short-message service (SMS) system. Email or voice mail messages may alternatively be employed. The referral identifier is captured along with identifying information of the caller and any message the caller wishes to provide. The system generates recommendation messages based on the captured information. | 2010-11-04 |
20100278322 | USER-BASED AUTHENTICATION FOR REALTIME COMMUNICATIONS - Architecture for a communications system enabling a user to provision a telephone at a new location without network administrative pre-configuring. An input component (e.g., keypad) receives a numeric extension and PIN. The extension is a telephone extension of the user and the PIN can be administratively assigned. A location component provides location information of an enterprise communications server to the telephone based on the extension. The telephone uses the location information to send messages to the enterprise communications server. A registration component registers the telephone with the enterprise communications server based on the numeric extension. A telephony address is returned to the telephone. An authentication component authenticates the telephone based on the PIN. Upon authentication, the extension is assigned to the telephone, and telephone communications can be sent and received from that location. | 2010-11-04 |
20100278323 | METHOD FOR CONTROLLING A MULTI PARTY CALL AND A SERVICE CONTROL ENTITY AND A SERVICE SWITCHING ENTITY FOR PERFORMING THE METHOD - The invention relates to a method for controlling a multi party call between three or more communication entities within a communications network. The communications network comprise a service control entity and a service switching entity. The service control entity performs: a) receiving a notification of a multi party event associated with the multi party call from the service switching entity, b) determining a procedure for handling the multi party event, c) transmitting instructions to the service switching entity in accordance with the procedure for handling the multi parry event. | 2010-11-04 |
20100278324 | FORKED-CALL RINGBACK REPLACEMENT SYSTEM - A ringback replacement system for modifying or replacing certain communications network signals and tones in a roaming, forked-call, forwarded-call, or mobility environment is disclosed. Communications devices activate and interact with the ringback replacement system to allow for modification of the network service. | 2010-11-04 |
20100278325 | Annoying Telephone-Call Prediction and Prevention - A method for predicting whether a telephone call that is being set up will be considered annoying by the called party and, if so, for preventing it from being established. The illustrative embodiment predicts whether a telephone call will be considered annoying by the called party based on temporal characteristics of previous calls from the same caller. For example, when a called party receives an unwanted telephone solicitation, he or she will usually hang up within the first minute. If many telephone calls are made from the same caller, and all of these calls last under a minute, then it is reasonable to predict that future calls from this caller will be considered annoying. | 2010-11-04 |
20100278326 | COMMUNICATION ASSISTANCE SYSTEM AND METHOD - A communication assistance system has a first database haying a plurality of listings therein, each having at least one contact name and a corresponding contact number. A device is configured to receive a directory assistance communication from a device of a user requesting at least one listing. A past requested listing table for at least one of said users is configured to store prior requested listings obtained from the database, as previously requested by the user. The past requested listing table is generated by the system and transmitted for storage on the device of the user so that when the user contacts the system, with the at least one listing stored on the past requested listing table being masked, the system may allow a communication connection between the device and the listing on the past requested listing table | 2010-11-04 |
20100278327 | EFFICIENT AND COST-EFFECTIVE DISTRIBUTION CALL ADMISSION CONTROL - A distributed call control system is provided that can allot bandwidth amongst several call controllers. The distributed call control system includes one or more servers that execute two or more instances of call processing servers that administer call control. The call processing servers form a cluster or group. The cluster members negotiate and determine bandwidth allocation amongst the members. If a member requires more bandwidth, the call processing server, of that member, assesses its own needs and requests more bandwidth from other members. The negotiation and requests for bandwidth are accomplished with a set of dynamic and static bandwidth data that regiment the control of the bandwidth. | 2010-11-04 |
20100278328 | SYSTEMS AND METHODS FOR SELECTING TONES FOR FAR-END CROSS TALK MITIGATION - Systems and methods are described for selecting tones for far-end crosstalk (FEXT) mitigation. In particular, systems and methods are described for performing far-end crosstalk (FEXT) mitigation within a digital subscriber line (xDSL) system. One embodiment is a method that comprises determining a first set of function values relating to a per-tone signal-to-noise ratio (SNR) for a user among a plurality of users for a number of tones, wherein the number of tones is less than or equal to a total number of tones available for transmission. The method further comprises estimating coefficients for performing FEXT mitigation for the number of tones, performing FEXT mitigation on the number of tones based on the estimated coefficients, and performing FEXT mitigation on a selected group of tones from among the number of tones, wherein the selected group of tones is less than or equal to the number tones. | 2010-11-04 |
20100278329 | PORT DETECTION AND PROTECTION CIRCUIT AND ELECTRONIC DEVICE USING THE SAME - A port detection and protection circuit utilizes a voltage detection circuits to output a detection signal according to a voltage difference between the tip signal and the ring signal and utilizes a ring detection circuit to output another detection signal according to a voltage difference between a Subscriber Line Interface Circuit (SLIC) tip signal and a SLIC ring signal signaling an incoming call. In addition, the port detection and protection circuit utilizes at least one logic component to output logic signals according to the detection signals. The port detection and protection circuit further switches a loop of a tip wire, a ring wire and the SLIC on or/and off based on logic signals, and issues an alarm according to the logic signals. | 2010-11-04 |
20100278330 | METHOD AND DEVICE FOR PROCESSING DATA AND TO A COMMUNICATION SYSTEM COMPRISING SUCH DEVICE - A method and a device process data transmitted via a channel. The channel is at least partially represented by a symmetrical transfer matrix, wherein at least one off-diagonal matrix element of the transfer matrix is determined by its symmetric and/or transposed off-diagonal matrix element and its corresponding diagonal matrix elements of the transfer matrix. In addition, a communication system is provided containing such a device. | 2010-11-04 |
20100278331 | SECURE HASHING DEVICE USING MULTIPLE DIFFERENT SHA VARIANTS AND RELATED METHODS - A monolithic integrated circuit (IC) secure hashing device may include a memory, and a processor integrated with the memory. The processor may be configured to receive a message, and to process the message using a given secure hash algorithm (SHA) variant from among different SHA variants. The different SHA variants may be based upon corresponding different block sizes of bits. | 2010-11-04 |
20100278332 | DATA CONVERSION FUNCTION PROCESSOR | 2010-11-04 |
20100278333 | METHOD AND APPARATUS FOR PERFORMING ELLIPTIC CURVE ARITHMETIC - A method of performing a cryptographic operation on a point in an elliptic curve cryptosystem using an elliptic curve. The method comprises the steps of obtaining information that uniquely identifies the elliptic curve and performing computations on the point to obtain the result of the cryptographic operation. The computations use the information. The computations produce an incorrect result if the point is not on the elliptic curve. | 2010-11-04 |
20100278334 | METHOD AND APPARATUS FOR MINIMIZING DIFFERENTIAL POWER ATTACKS ON PROCESSORS - A method of masking a cryptographic operation using a secret value, comprising the steps of dividing the secret value into a plurality of parts; combining with each part a random value to derive a new part such that the new parts when combined are equivalent to the original secret value; and utilizing each of the individual parts in the operation. | 2010-11-04 |
20100278335 | Arrangements for Location-Based Security Systems and Methods Therefor - Aspects are applicable to secure encryption such as in the generation of a cryptographic key from location information as may be useful in portable/wireless communication devices. As an example, one embodiment is implemented as a method of generating cryptographic keys from location information derived from a signal received from a publicly-used wireless communication system. The location information is protected from fraudulently generated signals using direction of arrival of the received signal. The method attempts to verify that the direction of arrival corresponds to an expected direction of arrival for a received signal of the primary signal type, and in response to the direction of arrival being verified for the direction of arrival, and then enables use of an encryption key that is generated from positional information derived from the received signal | 2010-11-04 |
20100278336 | METHOD AND APPARATUS FOR ESTABLISHING A SECURE MULTICAST COMMUNICATION SESSION - A system for establishing an encrypted multicast communication session over a communications network can include a client means (e.g., a radio, laptop, workstation, phone, PDA) and a server means. The client means can transmit a request for a first user to join a pre-defined collaborative group, including at least the first user and a second user. The client means can transmit a request for a first user to create or select a collaborative group based on specified criteria. The system can also include a server means that can retrieve, select or generate an encryption key for the collaborative group and transmit the encryption key to the first user via the client means. The server can transmit the encryption key to the second user via a second client means. The client means can communicate via multicast, encrypting end-to-end above the network layer using the encryption key received from the server means. | 2010-11-04 |
20100278337 | Encryption-Based Location Masking - The subject matter disclosed herein provides methods and apparatus, including computer program products, for masking locations, such as uniform resource locators. In one aspect, there is provided a computer-implemented method. The method may include receiving one or more blocks; inserting one or more characters into at least one of the blocks to fill the block to a predetermined block size; and encrypting the one or more blocks, the encryption of the first block using an initialization vector that does not result in a shift of the first block when processed. Related apparatus, systems, methods, and articles are also described. | 2010-11-04 |
20100278338 | CODING DEVICE AND METHOD WITH RECONFIGURABLE AND SCALABLE ENCRYPTION/DECRYPTION MODULES - A reconfigurable and scalable cryptography (encryption/decryption) system architecture and related method are described. The system utilizes a multiple-pass approach, each pass applying one cryptography algorithm with its own cryptography keys. The encrypted data can only be fully and correctly decrypted with the correct algorithms in the correct sequence (as determined by one or more security level parameters) and the correct cryptography keys. The system includes a multiple cryptography algorithm set section which is reconfigurable to perform multiple cryptography algorithms sequentially, and a cryptography controller which receives an input key set and a security level parameter. The cryptography controller reconfigures the multiple cryptography algorithm set section based on the security level parameter to perform multiple selected cryptography algorithms in a selected sequence. The cryptography controller also generates cryptography keys based on the input key set and provide the cryptography keys to the multiple cryptography algorithm set section. | 2010-11-04 |
20100278339 | ENCRYPTION- AND DECRYPTION-ENABLED INTERFACES - Decryption apparatus includes an input memory ( | 2010-11-04 |
20100278340 | ENCRYPTION DEVICE, ENCRYPTION METHOD AND STORAGE MEDIUM STORING ITS PROGRAM - When processing a data conversion function of a MISTY structure, such as the FO function of MISTY1, the logical calculation result t | 2010-11-04 |
20100278341 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION APPARATUS, AND CIPHERING METHOD - The radio communication system of the present invention includes a radio access network ( | 2010-11-04 |
20100278342 | DEVICE, SYSTEM, AND METHOD OF ESTABLISHING SECURE WIRELESS COMMUNICATION - Device, system, and method of establishing secure wireless communication. A system includes at least one wireless communication device having a sensor to measure one or more parameters of a physical event shared between that device and another wireless communication device, and a processor to translate the one or more measured parameters into a secret data sequence known only to the devices sharing the event. A first of the wireless communication devices sharing the event is to combine a communication key with the secret data sequence, thereby to generate an encoded message for distribution over a wireless link accessible by the devices, and a second of the wireless communication devices sharing the event is to decode said encoded message using the secret data sequence, thereby to obtain the communication key. The wireless communication devices may then connect using the secret communication key as a basis for secure communication. | 2010-11-04 |
20100278343 | WIRELESS COMMUNICATION APPARATUS AND PROCESSING METHOD THEREBY - When a wireless network is constructed, a wireless communication apparatus in the wireless network constructed of a plurality of communication apparatuses decides whether to function as a providing source of communication parameters or as a provision destination that receives communication parameters. In a case where it has been decided that this apparatus is to function as the provision destination that receives communication parameters, the apparatus requests authentication when it participates in the wireless network using communication parameters. In a case where it has been decided that this apparatus is to function as the providing source of communication parameters, the apparatus execute authentication processing in response to an authentication request. | 2010-11-04 |