16th week of 2015 patent applcation highlights part 29 |
Patent application number | Title | Published |
20150103895 | ELECTRONIC DEVICES FOR SIGNALING MULTIPLE INITIAL BUFFERING PARAMETERS - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. | 2015-04-16 |
20150103896 | INTER-LAYER PREDICTION METHOD AND ENCODING DEVICE AND DECODING DEVICE USING SAME - The present invention relates to an inter-layer prediction method, and an encoder and a decoder using the same, the inter-layer prediction method including specifying a reference block in a reference layer and predicting a current block in a current layer using information on the reference block, wherein the specifying of the reference block includes specifying the reference block on the basis of a reference position which is a position in the reference layer corresponding to a current position in the current layer for specifying the current block. | 2015-04-16 |
20150103897 | IMAGE ENCODING/DECODING METHOD AND DEVICE USING SAME - The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction. | 2015-04-16 |
20150103898 | WEIGHTED PREDICTION PARAMETER SIGNALING FOR VIDEO CODING - Systems, methods, and instrumentalities are provided to implement weighted prediction (WP) signaling, A decoding device may receive a plurality of first list WP parameters, and a. weights present flag. The weights present flag may indicate whether a plurality of second list WP parameters are signaled. The decoding device may receive the second list WP parameters when the weights present flag indicates that the second list WP parameters are signaled. The plurality of second list WP parameters may be derived when the weights present flag indicates that the second list WP parameters are not signaled. The decoding device may receive a delta parameter present, flag, which may indicate whether a plurality of delta WP parameters are signaled. The decoding device may receive the delta WP parameters, when the delta parameter present flag indicates that the plurality of the delta WP parameters are signaled. | 2015-04-16 |
20150103899 | SCALABLE ENCODING AND DECODING - A method for scalable encoding of a digital image into a base layer and at least one enhancement layer comprising an up-sampling step providing at least one part of an enhancement layer, based on a corresponding part of a lower layer having a lower level than the considered enhancement layer, the area of said corresponding parts having a scale factor of 4 | 2015-04-16 |
20150103900 | METHOD AND APPARATUS OF INTER-LAYER FILTERING FOR SCALABLE VIDEO CODING - A method and apparatus for inter-layer prediction for scalable video coding are disclosed. Embodiments according to the present invention apply inter-layer adaptive filtering to the video data derived from the reconstructed BL video data to generate inter-layer adaptive filtered data. The inter-layer adaptive filtered data is then included as prediction data to encode or decode the EL video data. The video data derived from the reconstructed BL video data is up-sampled before applying inter-layer adaptive filtering. The up-sampling may also be included in the inter-layer adaptive filtering. In another embodiment, the inter-layer adaptive filtering comprises adaptive up-sampling. For up-sampled BL video data at locations not collocated with the EL video data, the up-sampled BL video data is divided into location types according to locations of the up-sampled BL video data. Each location type may have an individual filter for up-sampling video data in the group. | 2015-04-16 |
20150103901 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - Provided is an image processing apparatus including a decoding section configured to decode a difference from a previous value of a prediction parameter used when an image of a second layer having a different color gamut from a first layer is predicted from an image of the first layer, and a prediction section configured to predict the image of the second layer from the image of the first layer using the prediction parameter calculated using the difference decoded by the decoding section. | 2015-04-16 |
20150103902 | THREE-DIMENSIONAL LOOKUP TABLE BASED COLOR GAMUT SCALABILITY IN MULTI-LAYER VIDEO CODING - Techniques are described for 3D lookup table based color gamut scalability in multi-layer video coding. A lower layer of video data may include color data in a first color gamut and a higher layer of the video data may include color data in a second color gamut. To generate inter-layer reference pictures, a video coder performs color prediction to convert the color data of a reference picture in the first color gamut to the second color gamut. The video coder may perform color prediction using a 3D lookup table. According to the techniques, the video coder generates at least one 3D lookup table having a size that is different for a luma component than for a first chroma component and a second chroma component. In this way, the total size of the table may be reduced while maintaining good coding performance. | 2015-04-16 |
20150103903 | DEVICE AND METHOD FOR SCALABLE CODING OF VIDEO INFORMATION - An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a first video layer having a first picture in a first access unit. The processor is configured to determine whether the first picture in the first access unit is an intra random access point (IRAP) picture, and in response to determining that the first picture in the first access unit is an IRAP picture, provide an indication, in a bitstream, to reset a picture order count (POC) of at least one other picture in the first access unit, wherein the at least one other picture is not an IRAP picture. The processor may encode or decode the video information. | 2015-04-16 |
20150103904 | SYSTEMS AND METHODS FOR INTER-LAYER RPS DERIVATION BASED ON SUB-LAYER REFERENCE PREDICTION DEPENDENCY - Systems and methods for inter-layer reference picture set derivation based on sub-layer reference prediction dependency are described herein. One aspect of the subject matter described in the disclosure provides a video encoder comprising a memory configured to store one or more direct reference layer pictures of one or more current pictures in a sequence, wherein the one or more current pictures are associated with a current layer, the current layer being associated with the one or more direct reference layers. The video encoder further comprises a processor in communication with the memory unit. The memory unit is configured to set an indication associated with a current picture to indicate whether all of the one or more direct reference layer pictures of the current picture that are not restricted for use in inter-layer prediction are included in an inter-layer reference picture set associated with the current picture. | 2015-04-16 |
20150103905 | SYSTEMS AND METHODS FOR SEPARATELY DEFINING DEPENDENCIES FOR SUB-LAYER BASED INTER-LAYER PREDICTION - Systems and methods for separately defining and indicating inter-layer prediction dependencies for a first layer with respect to each of a number of enhancement layers associated with the first layer are described herein. One aspect of the subject matter described in the disclosure provides a video encoder comprising a memory unit configured to store a first picture associated with a first layer and enhancement layer pictures associated with a plurality of enhancement layers. The video encoder further comprises a processor in communication with the memory unit. The processor is configured to provide a separate indication for each of the enhancement layers that indicates whether the first picture can be used for inter-layer prediction of the enhancement layer picture in a respective enhancement layer. | 2015-04-16 |
20150103906 | WEDGELET PATTERN EXTENSION FOR DEPTH INTRA CODING - Techniques are described determining a partition pattern for intra-prediction encoding or decoding a depth block from a partition pattern of one or more partition patterns associated with smaller sized blocks. A video encoder may intra-prediction encode the depth block based on the determined partition pattern, and a video decoder may intra-prediction decode the depth block based on the determine partition pattern. | 2015-04-16 |
20150103907 | SUPPORT FOR LARGE NUMBERS OF VIEWS IN MULTI-LAYER CODING - A computing device obtains a Network Abstraction Layer (NAL) unit header of a NAL unit of the multi-layer video data. The NAL unit header comprises a layer identifier syntax element having a value that specifies an identifier of a layer of the NAL unit. The layer identifier syntax element comprises a plurality of bits that represent the value within a defined range of values. A requirement of the bitstream conforming to a video coding standard is that the value of the layer identifier syntax element is less than the maximum value of the range of values. | 2015-04-16 |
20150103908 | METHOD AND APPARATUS FOR A LOW COMPLEXITY TRANSFORM UNIT PARTITIONING STRUCTURE FOR HEVC - A method and apparatus for a low complexity transform unit partitioning structure for High Efficiency Video Coding (HEVC). The method includes determining prediction unit size of a coding unit, and setting the size of transform unit size of Y, U and V according to the prediction unit size of the coding unit. | 2015-04-16 |
20150103909 | MULTI-THREADED VIDEO ENCODER - The techniques of this disclosure relate to video encoding and include using an inter mode determination for neighboring blocks, rather than the final prediction mode determination for the neighboring block, when determining an inter mode for a current block. In this way, inter mode and intra mode estimation may be separated and performed in different stages of a multi-threaded parallel video encoding implementation. In addition, this disclosure also proposes generating sub-pixel values in a third stage of the multi-threaded parallel video encoding implementation at a frame level, rather than for each macroblock during inter mode estimation process for that macroblock. | 2015-04-16 |
20150103910 | Intra Block Copy (IntraBC) Cost Estimation - A method for encoding a video stream is provided that includes computing activity of a block of video data in the video stream when a parent block of the block is not predicted in intra block copy (IntraBC) mode, computing an IntraBC coding cost of the block based on a two dimensional (2D) search when the activity is not less than an activity threshold, computing the IntraBC coding cost of the block based on a one dimensional (1D) search when the activity is less than the activity threshold, and selecting a best mode for encoding the block based on the IntraBC coding cost. | 2015-04-16 |
20150103911 | METHOD AND APPARATUS FOR DETERMINING REFERENCE IMAGES FOR INTER-PREDICTION - A method of determining a reference image for inter-prediction includes: determining a slice type of a block; if the determining of the slice type indicates that the slice type is a B-slice type configured for uni-directional prediction or bi-directional prediction, determining an inter-prediction direction of the block to be one of a first direction, a second direction, and a bi-direction; if the determining of the inter-prediction direction indicates that the inter-prediction direction is not the second direction, determining a first direction reference index from a first direction reference picture list as a reference index for the block; and if the determining of the inter-prediction direction indicates that the inter-prediction direction is not the first direction, determining a second direction reference index from a second direction reference picture list as a reference index for the block. | 2015-04-16 |
20150103912 | METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING BASED ON MULTI-LAYER - Disclosed are a method and apparatus for video encoding/decoding based on a multi-layer. The method for video decoding to support a plurality of layers, includes: decoding Picture Order Count (POC) reset information indicating whether a POC value of a current picture is reset to 0; calculating the POC value of the current picture and respective POC values of a long-term reference picture and a short-term reference picture in a decoded picture buffer (DPB) referred by the current picture; and configuring a Reference Picture Set (RPS) for inter-prediction of the current picture based on the POC value of the long-term reference picture and the POC value of the short-term reference picture. | 2015-04-16 |
20150103913 | LOCAL MACROBLOCK INFORMATION BUFFER - According to some embodiments, an external memory unit stores rows of macroblocks representing an image. A set of macroblocks may be transferred from the external memory unit to a local buffer, the set of macroblocks including fewer macroblocks than a row. A macroblock may then be decoded based on information in the local buffer to generate an image signal. | 2015-04-16 |
20150103914 | VIDEO CODING SYSTEM WITH INTRA PREDICTION MECHANISM AND METHOD OF OPERATION THEREOF - A video coding system, and a method of operation thereof, includes: a source input module for receiving a frame from a video source; and a picture process module, coupled to the source input module, for generating a neighboring coding unit in the frame, for generating an intra block motion vector with a constrained intra prediction flag enabled and the neighboring coding unit generated based on only an intra-picture prediction mode, for generating a current coding unit based on the intra block motion vector, the current coding unit adjacent the neighboring coding unit, and for generating a video bitstream based on the current coding unit for a video decoder to receive and decode for displaying on a device. | 2015-04-16 |
20150103915 | VIDEO CODING SYSTEM WITH SEARCH RANGE AND METHOD OF OPERATION THEREOF - A video coding system, and a method of operation thereof, includes: a source input module for receiving a frame from a video source; and a picture process module, coupled to the source input module, for generating a reference coding unit in the frame; for generating an intra copy motion vector pointing to the reference coding unit within a search range, wherein the search range does not include an upper coding tree unit of the frame; for generating a current coding unit based on the intra copy motion vector; and for generating a video bitstream based on the current coding unit for a video decoder to receive and decode for displaying on a device. | 2015-04-16 |
20150103916 | Method and apparatus for displacement vector component transformation in video coding and decoding - A method and a device for transforming a displacement vector component in the process of encoding or decoding a video. It applies more particularly to a mode of coding where a block of pixel is predictively encoded based on a predictor block pertaining to the same image. This mode of encoding a block of pixel is generally referred to as INTRA Block Copy mode. It proposes to take into account the particular constraints brought by the causal principle in the range of admissible values of the components of the displacement vector. In particular, for some values of one first component, the second component is transformed in order to improve the coding efficiency for it. Accordingly, the magnitude of the second component is reduced improving the coding of its value. | 2015-04-16 |
20150103917 | SIGN CODING FOR BLOCKS WITH TRANSFORM SKIPPED - Methods of encoding and decoding sign information for non-zero coefficients in a block of video with transform skipped. The methods include context-based coding of a flag that signals if all signs are the same in the block; using a finite state machine to determine contexts for coding of sign information, some of which may be context-based coded and some of which may be non-context-based coded; context-based coding of sign information wherein the context is based upon the signs of neighbouring coefficients; context-based coding of sign information, where the sign information is a prediction of the sign; and using a dedicated context to code signs with a sign flag indicating whether signs in a transform skipping block have been inverted to preserve a dominant sign bias. | 2015-04-16 |
20150103918 | SIGN CODING FOR BLOCKS WITH TRANSFORM SKIPPED - Methods of encoding and decoding sign information for non-zero coefficients in a block of video with transform skipped. The methods include context-based coding of a flag that signals if all signs are the same in the block; using a finite state machine to determine contexts for coding of sign information, some of which may be context-based coded and some of which may be non-context-based coded; context-based coding of sign information wherein the context is based upon the signs of neighbouring coefficients; context-based coding of sign information, where the sign information is a prediction of the sign; and using a dedicated context to code signs with a sign flag indicating whether signs in a transform skipping block have been inverted to preserve a dominant sign bias. | 2015-04-16 |
20150103919 | DECODING DEVICE AND DECODING METHOD, AND CODING DEVICE AND CODING METHOD - There is provided a decoding device including circuitry configured to receive coded data and conversion information, the coded data pertaining to an image having luminance in a first dynamic range and the conversion information pertaining to a conversion of dynamic range of the luminance of the image from the first dynamic range into a second dynamic range; and decode the received coded data so as to generate the image, wherein the conversion uses a knee function. | 2015-04-16 |
20150103920 | INDICATION OF PARALLEL PROCESSING IN VIDEO CODING - In an example, a method of decoding video data includes decoding, from a video parameter set (VPS) of a multi-layer bitstream, data that indicates at least one of a tile configuration for layers of the multi-layer bitstream or a parallel processing configuration for layers of the multi-layer bitstream. The method also includes decoding the multi-layer bitstream in accordance with the data decoded from the VPS. | 2015-04-16 |
20150103921 | APPARATUS, A METHOD AND A COMPUTER PROGRAM FOR VIDEO CODING AND DECODING - A method comprising: associating a first set of data units into a first bitstream partition and associating a second set of data units into a second bitstream partition, where the first set comprises data units different from those of the second set; inputting the first bitstream partition into a first buffer; inputting the second bitstream partition into a second buffer; obtaining buffering parameters for at least one of the second bitstream partition and the second buffer; and using the buffering parameters in at least one of inputting the second bitstream partition into the second buffer and outputting from the second buffer. | 2015-04-16 |
20150103922 | DEVICE AND METHOD FOR SCALABLE CODING OF VIDEO INFORMATION - An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a first video layer having a first picture. The processor is configured to process picture order count (POC) derivation information associated with the first picture, and determine, based on the POC derivation information associated with the first picture, a POC value of at least one other picture in the first video layer that precedes the first picture in decoding order. The processor may encode or decode the video information. | 2015-04-16 |
20150103923 | DEVICE AND METHOD FOR SCALABLE CODING OF VIDEO INFORMATION - An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a video layer having a picture. The processor is configured to determine whether the picture is a non-picture-order-count (POC)-anchor picture, and based on the determination of whether the picture is a non-POC-anchor picture, perform one of (1) refraining from indicating a POC reset in connection with the picture, or (2) indicating the POC reset in connection with the picture. The processor may encode or decode the video information. | 2015-04-16 |
20150103924 | ON OPERATION OF DECODED PICTURE BUFFER FOR INTERLAYER PICTURES - A system for decoding a video bitstream includes receiving a bitstream and a plurality of enhancement bitstreams together with receiving a video parameter set and a video parameter set extension. The system also receives an information in slice header that enables marking of inter-layer pictures as “unused for reference” | 2015-04-16 |
20150103925 | PARALLEL EXTENSIONS OF PARAMETER SETS - An example method of decoding video data includes receiving encoded video data representing a parameter set, and receiving, in the encoded video data, a syntax element indicating whether the parameter set includes two or more extension syntax structures. The method may further include, in the case that the syntax element indicates that the parameter set includes the two or more extension syntax structures, receiving a corresponding syntax element for each of two or more corresponding coding modes, where the corresponding syntax element indicates whether or not the parameter set includes a respective extension syntax structure for the corresponding coding mode, and decoding the encoded video data corresponding to the parameter set. | 2015-04-16 |
20150103926 | VIDEO ENCODING AND DECODING - There are disclosed various methods, apparatuses and computer program products for video encoding. In some embodiments pictures are encoded into a bitstream. The bitstream comprises at least two scalability layers and pictures being associated with access units. A first indication and a second indication are encoded into the bitstream. The first indication is configured to indicate an output layer. And the second indication is configured to indicate at least one alternative output layer. A first picture of said at least one alternative output layer is output by a decoding process of the bitstream when no picture of the output layer is in an access unit containing said first picture of said at least one alternative output layer. | 2015-04-16 |
20150103927 | VIDEO ENCODING AND DECODING - There are disclosed various methods, apparatuses and computer program products for video encoding. In some embodiments pictures are encoded into a bitstream. The bitstream comprises at least two scalability layers and pictures being associated with access units. A first indication and a second indication are encoded into the bitstream. The first indication is configured to indicate an output layer. And the second indication is configured to indicate at least one alternative output layer. A first picture of said at least one alternative output layer is output by a decoding process of the bitstream when no picture of the output layer is in an access unit containing said first picture of said at least one alternative output layer. | 2015-04-16 |
20150103928 | DEVICE AND METHOD FOR SCALABLE CODING OF VIDEO INFORMATION - An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a reference layer (RL) and an enhancement layer (EL), the RL having an RL picture in a first access unit, and the EL having a first EL picture in the first access unit, wherein the first EL picture is associated with a first set of parameters. The processor is configured to determine whether the first EL picture is an intra random access point (IRAP) picture, determine whether the first access unit immediately follows a splice point where first video information is joined with second video information including the first EL picture, and perform, based on the determination of whether the first EL picture is an intra random access point (IRAP) picture and whether the first access unit immediately follows a splice point, one of (1) refraining from associating the first EL picture with a second set of parameters that is different from the first set of parameters, or (2) associating the first EL picture with a second set of parameters that is different from the first set of parameters. The processor may encode or decode the video information. | 2015-04-16 |
20150103929 | Transcoding multiple media elements for independent wireless delivery - Transcoding multiple media elements for independent wireless delivery. Respective media or multimedia elements are selectively and respectively encoded and/or transcoded. Such respective and selective processing of different media elements provides for their unbundled and independent communication to one or more other devices. In one instance, different respective overlays of a display (e.g., a computer, TV, PDA display, etc.) are respectively and selectively transcoded and/or encoded to generate different respective streams that may each be handled differently as a function of any number of parameters (e.g., media element type, content, communication channel characteristic, source proximity, priority, etc.). Different types of media elements include photo/image, video, graphics, text, audio, picture-in-picture, two-dimensional (2D), three-dimensional (3D), and/or other types of media elements as may be included within a given configuration of a display. Each respective encoding and/or transcoding may be particularly optimized or tailored for a given media element type. | 2015-04-16 |
20150103930 | METHOD OF APPLYING EDGE OFFSET - Provided is a method generates an edge index of a current sample, and applies an edge offset corresponding to the edge index to the current sample. The edge index is generated using the differences between a current sample and two neighboring samples determined by an edge offset type. Accordingly, the difference between original samples and reconstructed samples are effectively reduced by generating the optimum edge index. Also, the quantity of bits required for reducing the differences are reduced by fixing the sign of offset to positive or negative. | 2015-04-16 |
20150103931 | SEMICONDUCTOR DEVICE AND RECEIVER - A semiconductor device contains a narrow band noise detector section to detect narrow band noise in an input signal that is input by way of a power line. The semiconductor device further includes a reference signal generator section to generate a second reference signal whose amplitude value which corresponds to the narrow band noise frequency of a pre-established first reference signal is reduced, and a correlation calculation section to calculate the correlation value between the input signal and the second reference signal utilized in the frame synchronization processing of the input signal. | 2015-04-16 |
20150103932 | CHANNEL ESTIMATION METHOD AND RECEIVER - To improve the accuracy of a channel estimated value when beam-forming is employed, provided is a channel estimation method including: determining a channel estimated value of a cell-specific reference signal from a cell-specific reference signal; determining a channel estimated value of a UE-specific reference signal from a UE-specific reference signal; calculating a cell-specific channel estimated value by using the channel estimated value of the cell-specific reference signal; estimating a beam-forming vector by using the channel estimated value of the cell-specific reference signal and the channel estimated value of the UE-specific reference signal; and calculating a UE-specific channel estimated value by multiplying the cell-specific channel estimated value by the beam-forming vector. | 2015-04-16 |
20150103933 | CODEBOOK CREATING METHOD, CODEBOOK CREATING APPARATUS AND INITIAL CODEBOOK CREATING METHOD - A codebook creating method involves acquiring amplitude or power of channel state information of channels between the transmission antennas and the reception antenna, mapping elements of a codeword of an initial codebook dynamically to the respective transmission antennas based on the amplitude or power of the channel state information thereby to create a first codebook, and scaling norms of elements corresponding to the respective transmission antennas in a codeword of the first codebook by using norm scale factors of the respective transmission antennas fixed based on the amplitude or power of the channel state information. An initial codebook creating method involves configuring a predetermined element of the codeword of the initial codebook to have a predetermined phase resolution, and configuring other elements of the codeword of the initial codebook to be arranged in an increasing or decreasing order of phase resolution. | 2015-04-16 |
20150103934 | METHOD AND APPARATUS FOR COMMUNICATION IN MILLIMETER WAVE MIMO COMMUNICATION ENVIRONMENT - A method and apparatus for communication in millimeter wave multiple input multiple output (MIMO) communication are provided. A beamforming matrix by groups for terminals that are classified into a group is generated, and a pilot signal that is beam-formed based on the generated beamforming matrix by groups is transmitted to the terminals. Channel information based on the pilot signal is received from the terminals, hybrid beamforming scheduling is performed based on the channel information, and data is transmitted to the terminals based on the scheduling. | 2015-04-16 |
20150103935 | Method for Improving Synchronization and Information Transmission in a Communication System - A method is provided for improving synchronization and information transmission in a communication system, including: generating a signal with a centrally symmetric part s(k) exploitable for synchronization; and sending the signal over a communication channel. The signal is based on a uniquely identifiable sequence c(l) from a set of sequences exploitable for information transmission. The centrally symmetric part s(k) is centrally symmetric in the shape of absolute value thereof. The centrally symmetric part s(k) is of arbitrary length N. | 2015-04-16 |
20150103936 | SYSTEMS AND METHODS FOR ESTABLISHING A DIAGNOSTIC TRANSMISSION MODE AND COMMUNICATING OVER THE SAME - Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct. | 2015-04-16 |
20150103937 | INTERLEAVED MULTI-BEAM ACQUISITION WAVEFORM PROVIDING CONCURRENT BEAM SELECTION, AUTOMATIC GAIN CONTROL (AGC) AND AUTOMATIC FREQUENCY CORRECTION (AFC) - Systems, methods, apparatuses, and computer program products for an interleaved multi-beam acquisition waveform providing concurrent beam selection, automatic gain control (AGC) and automatic frequency correction (AFC) are provided. The access point (AP) may send an acquisition waveform on multiple beams, then return and retransmit an AFC on the multiple beams thus interleaving beam switching with the acquisition and frequency correction waveforms. AGC correction can be deferred until the end, relying on the fact that the transmitter may be detected at close range using a one of the multi-beams that is attenuated. | 2015-04-16 |
20150103938 | Wireless Feedback System and Method - A codebook C is provided in a MIMO transmitter as well as a MIMO receiver. The codebook C will include M codewords c | 2015-04-16 |
20150103939 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD - In a MIMO system using a cross-polarized antenna structure, even if no ideal XPD can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a MIMO communication is performed between a transmitter and a receiver each using a cross-polarized antenna structure, a channel estimating and precoding selection section of the receiver performs a channel estimation of MIMO channels from the transmitter to the receiver, decides a precoding matrix of a projection matrix for mutually orthogonalizing or substantially orthogonalizing the channel response matrixes for respective different polarized waves, and feeds the determined precoding matrix back to the transmitter. In the transmitter, a precoding processing section applies the precoding matrix to the spatial stream corresponding to one of the polarized waves to perform a precoding, thereby allowing the transmitter to transmit the polarized waves with the orthogonality therebetween maintained. | 2015-04-16 |
20150103940 | Training-Based Channel Estimation for Multiple-Antennas - The burden of designing multiple training sequences for systems having multiple transmit antennas, is drastically reduced by employing a single sequence from which the necessary multiple sequences are developed. The single sequence is selected to create sequences that have an impulse-like autocorrelation function and zero cross correlations. A sequence of any desired length N | 2015-04-16 |
20150103941 | TRANSMISSION METHOD, TRANSMITTER APPARATUS, RECEPTION METHOD AND RECEIVER APPARATUS - Transmission quality is improved in an environment in which direct waves dominate in a transmission method for transmitting a plurality of modulated signals from a plurality of antennas at the same time. All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol in the frequency domain and the time domain all differ. A modulated signal with such data symbols arranged therein is transmitted. | 2015-04-16 |
20150103942 | TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD AND RECEPTION APPARATUS - All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol in the frequency domain and the time domain all differ. A modulated signal with such data symbols arranged therein is transmitted. | 2015-04-16 |
20150103943 | Forwarding Signal Supply Voltage in Data Transmission System - In a data transmission system, one or more signal supply voltages for generating the signaling voltage of a signal to be transmitted are generated in a first circuit and forwarded from the first circuit to a second circuit. The second circuit may use the forwarded signal supply voltages to generate another signal to be transmitted back from the second circuit to the first circuit, thereby obviating the need to generate signal supply voltages separately in the second circuit. The first circuit may also adjust the signal supply voltages based on the signal transmitted back from the second circuit to the first circuit. The data transmission system may employ a single-ended signaling system in which the signaling voltage is referenced to a reference voltage that is a power supply voltage such as ground, shared by the first circuit and the second circuit. | 2015-04-16 |
20150103944 | MOBILE COMMUNICATION METHOD AND RADIO TERMINAL - A transmission apparatus configured to transmit four OFDM signals from four transmission antennas includes: a pilot signal insertion unit configured to generate four types of OFDM symbols by inserting pilot signals of different patterns into four types of transmission signals; and an OFDM signal generation unit configured to generate four OFDM signals by modulating respective carriers of the four types of OFDM symbols. The pilot signal insertion unit is configured to insert, with respect to first and second transmission signals, pilot signals having a meaningful value and pilot signals of null signals; insert, with respect to third and fourth transmission signals, pilot signals having a meaningful value, pilot signals obtained by inverting codes of the pilot signals having a meaningful value, and pilot signals of null signals; insert, with respect to the first and third transmission signals, the pilot signals of null signals in identical predetermined positions; and insert, with respect to the second and fourth transmission signals, the pilot signals of null signals in positions different from the identical predetermined positions. | 2015-04-16 |
20150103945 | SIGNAL CONVERSION DEVICE AND TRANSMITTER - A signal conversion device includes: a converter configured to output a 1-bit quantized signal representing an analog signal based on a band transmission system; and an encoder configured to execute a baseband line coding process on the 1-bit quantized signal. The baseband line coding process is a process to be frequency conversion for the analog signal, and is a baseband line coding process in which the 1-bit quantized signal is coded such that the appearance frequencies of two kinds of bit values in the 1-bit quantized signal are different from each other. | 2015-04-16 |
20150103946 | REPETITION CODING FOR A WIRELESS SYSTEM - A system and method are disclosed for transmitting data over a wireless channel. In some embodiments, transmitting data includes receiving convolutionally encoded data and enhancing the transmission of the data by further repetition encoding the data. | 2015-04-16 |
20150103947 | ENCODING METHOD AND DEVICE - The present invention provides an encoding method and an encoding device. The method includes: dividing to-be-encoded input data into M parts according to the number of levels of concatenated Polar encoding, where M is the number of levels of concatenated Polar encoding; and performing Polar encoding for information bits of each level of Polar encoding level by level to obtain Polar-encoded data of the input data, where each part of data obtained through the dividing and output bits of a previous level of Polar encoding serve together as information bits of a next level of Polar encoding. Embodiments of the present invention can improve performance of Polar codes. | 2015-04-16 |
20150103948 | METHOD AND APPARATUS FOR REDUCING CARRIER LEAKAGE - In an embodiment, an apparatus comprises an in-phase-quadrature (IQ) signal amplifier having an IQ baseband input, an IQ mixer input connected to the IQ signal amplifier, a carrier leakage detector connected to outputs of the IQ mixer, and a carrier-null offset signal generator connected to the carrier leakage detector. The IQ mixer is configured to be driven by an IQ carrier signal. The carrier leakage detector is configured to output an in-phase leakage level measurement and a quadrature leakage level measurement in the absence of an IQ baseband signal at the IQ baseband input. The carrier-null offset signal generator is configured to (i) inject an in-phase carrier-null offset signal based on the in-phase leakage level measurement and (ii) inject a quadrature carrier-null offset signal based on the quadrature leakage level measurement. | 2015-04-16 |
20150103949 | SEMICONDUCTOR DEVICE HAVING HORSESHOE AND SPIRAL SHAPE INDUCTORS. - A semiconductor device includes a low noise amplifier configured to amplify a radio signal from an antenna and output an reception signal, a down converter configured to down-convert the reception signal, a first divider coupled with the down converter, a first local oscillator coupled with the first divider, a modulator configured to modulate a transmission signal, a second divider coupled with the modulator, and a second local oscillator coupled with the second divider. The modulator includes a first inductor of a spiral shape, the local oscillator includes a second inductor of a horse-shape having an opening, and the opening of the second inductor is disposed opposite to the first inductor. | 2015-04-16 |
20150103950 | SEMICONDUCTOR DEVICE AND DATA TRANSMISSION METHOD - In a semiconductor device, a transmitting circuit generates a delayed data signal and a first delayed retransmission request signal by delaying a data signal and a first retransmission request signal, respectively, and outputs a pulse signal at an edge of the delayed data signal and the first delayed retransmission request signal and prohibits output of the pulse signal at an edge of the first delayed retransmission request signal during a specified period across an edge of the delayed data signal. | 2015-04-16 |
20150103951 | Transmit Noise and Impedance Change Mitigation in Wired Communication System - A method, system and circuit for providing for part or all of a transmitter, when it is in mute mode (not actively transmitting), to be turned off, removed, decoupled or modified in general in order to reduce the total noise submitted by the transmitter to the wired network into network controller. In parallel, an auxiliary circuit or impedance is added or coupled to the transmitter in order to mitigate the total return loss change of the transmitter. When in active transmitter mode, this auxiliary circuit or impedance will be removed or decoupled from the transmitter and transmitter will transmit in normal mode. | 2015-04-16 |
20150103952 | Digital Predistortion Processing Method and Device - A digital predistortion processing method and device, the method comprises: performing digital predistortion processing on a baseband signal according to a first predistortion correction parameter, converting the baseband signal after digital predistortion processing into a radio-frequency signal, dividing the radio-frequency signal, and respectively outputting each path of radio-frequency signal to a distinct power amplifier; and, coupling and outputting the radio-frequency signal output by each power amplifier to a feedback link for combination to obtain a combined signal, and performing conversion processing on the combined signal; and generating a predistortion correction parameter according to the combined signal after conversion processing and the baseband signal before digital predistortion processing, and updating the first predistortion correction parameter to a second predistortion correction parameter. | 2015-04-16 |
20150103953 | APPARATUS AND METHOD FOR CONTROLLING POWER BASED ON ENERGY EFFICIENCY IN MULTIPLE-INPUT AND MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEM - Provided is an apparatus and method for managing a power consumption of a transmitter based on energy efficiency in a multiple-input and multiple-output (MIMO) communication system. The transmitter is configured to control a power of at least one of a baseband (BB) component, a radio frequency (RF) chain component, and a power amplifier (PA) component based on calculation of the energy efficiency. | 2015-04-16 |
20150103954 | DIGITAL AMPLITUDE MODULATION APPARATUS AND CONTROL METHOD OF DIGITAL AMPLITUDE MODULATION APPARATUS - A digital amplitude modulation apparatus is provided with a measuring section, a fast surge protection section, a slow vector protection section, and a controller. The measuring section detects a voltage and a current from an RF signal. The fast surge protection section calculates an SWR from a detection signal of the measuring section, and obtains a first upper limit of the number of power amplifiers which can be put into an ON state based on the SWR and generates a first control signal. The slow vector protection section obtains a reflection coefficient from the output detection signal of the measuring section, and obtains a second upper limit of the number of the power amplifiers which can be put into an ON state based on the reflection coefficient and generates a second control signal. The controller controls the power amplifiers to be ON/OFF. | 2015-04-16 |
20150103955 | Envelope Path Processing for Envelope Tracking Amplification Stage - The invention relates to a method of calibrating an envelope path and an input path of an amplification stage of an envelope tracking power supply, the method comprising matching the envelope path to at least one characteristic of at least one element of the input path. | 2015-04-16 |
20150103956 | HIGH ORDER MODULATION METHOD, DEMAPPING METHOD, AND CORRESPONDING DEVICE - A high order modulation method, a demapping method, and a corresponding device are provided. With the high order modulation method, important bits is distinguished, and the important bits are divided into important bits for distinguishing large regions and important bits for distinguishing small regions according to the difficulty of judgment areas. Therefore, the judgment accuracy rate of a demodulator is further improved. | 2015-04-16 |
20150103957 | HART Sampling - A method for processing an electrical signal comprises receiving an electrical signal comprising a frequency modulated signal encoding digital data, sampling a first portion of the electrical signal to provide a first sample set, and determining an intermediate value from the first sample set. A first output value is selected from a plurality of stored output values based on the intermediate value, the output value indicating a frequency modulation encoded value within the first portion of the electrical signal. An indication of the obtained output value is output. | 2015-04-16 |
20150103958 | METHODS, SYSTEMS, AND MEDIA FOR DETERMINING WHETHER A SIGNAL OF INTEREST IS PRESENT - Methods, systems, and media for determining whether a signal of interest is present are provided, in some embodiments, a system for determining whether a signal of interest is present is provided, the system comprising: at least one hardware processor that is configured to: receive at least one bit value containing information about whether the signal of interest is present from at least one transmitter, wherein the at least one bit value is transmitted from the at least one transmitter at a set of random time instances, and wherein the at least, one bit value is calculated without performing quantization; calculate a combined log-likelihood ratio based at least in part on the at least one bit value; and determine whether the signal of interest is present based at least in part on the combined log-likelihood ratio. | 2015-04-16 |
20150103959 | RECEIVER PERFORMANCE IN A COMMUNICATION NETWORK - Methods and apparatus are described for improving receiver performance in a multicarrier communication network in which an encoded symbol is transmitted over a transmission channel in the communications system. A model of the transmission channel is estimated, said model characterising an effect of intercarrier interference on at least one carrier in the multicarrier system. The received symbol is decoded using the estimated model to remove a predicted effect of intercarrier interference. A pre-processor is also described for operation in conjunction with a communications receiver in the network. The pre-processor includes a channel estimator operable to estimate at least one feature of the communication channel based on a received signal. The pre-processor modifies the received signal dependent on the at least one estimated feature and provides the modified signal to the communications receiver. | 2015-04-16 |
20150103960 | IQ IMBALANCE ESTIMATION USING BROADCAST SIGNALS - The present disclosure is described in the exemplary context of a Long Term Evolution (LTE) cellular network and is directed to a method and apparatus for estimating a gain and phase imbalance between an in-phase path and a quadrature path of a receiver operating in such a network. The method and apparatus specifically exploit channel coherence in time and frequency, and the properties of the Primary Synchronization Signal (PSS), and/or the Secondary Synchronization Signal (SSS), and/or information in the Physical Broadcast Channel (PBCH), all of which are defined by the LTE standard, to estimate the gain and phase imbalance of the receiver while it remains connected to a base station to receive data. | 2015-04-16 |
20150103961 | DIGITAL FREQUENCY BAND DETECTOR FOR CLOCK AND DATA RECOVERY - A frequency band estimator for use in a data receiver or the like to enhance sinusoidal jitter tolerance by the clock and data recovery device (CDR) in the receiver. The detector uses two moving-average filters of different tap lengths that receive a gain-controlled signal from within the CDR. Output signals from the moving average filters are processed to determine a half-wave time period for each output signal by measuring the number clock cycles occurring between transitions of each output signal. The number of clock cycles of the longest half-wave period is compared to multiple values representing frequency limits of various frequency bands to determine which frequency band to classify jitter the gain-controlled signal. The determined frequency band is used to select from a look-up table a set of gain values for use in the CDR. | 2015-04-16 |
20150103962 | RECEIVING DEVICE AND DATA INTERPOLATION PROCESSING METHOD - There is provided a receiving device includes: a plurality of interpolation unit circuits, each interpolation unit circuit configured to perform interpolation processing of a sampling value obtained by asynchronously sampling input data, based on an interpolation ratio, so that sampling data synchronous with the input data and continuous in time is generated, wherein one of the interpolation unit circuits is provided in parallel with another of the interpolation unit circuits for a channel previous to a channel in which switching of the interpolation ratio is performed. | 2015-04-16 |
20150103963 | SEQUENCE SYNCHRONIZATION APPARATUS AND METHOD AND RECEIVER - Embodiments of the present disclosure provide a sequence synchronization apparatus and method and a receiver. The sequence synchronization apparatus includes: a signal receiving unit configured to receive a clock synchronized signal including a training symbol, the training symbol being in-phase modulated or being modulated with a fixed phase difference based on all or part of subcarriers; and a symbol detecting unit configured to detect the training symbol, so as to achieve sequence synchronization of the signal. With the embodiments of the present disclosure, not only sequence synchronization may be achieved by using minimum complexity as possible, but also the sequence synchronization apparatus is made simple, fast and accurate. | 2015-04-16 |
20150103964 | CDR CIRCUIT AND SERIAL COMMUNICATION INTERFACE CIRCUIT - The CDR circuit | 2015-04-16 |
20150103965 | TEMPERATURE COMPENSATED CARRIER OFFSET CORRECTION OF A RECEIVED SIGNAL - Apparatuses, methods and systems for mitigating carrier offset of a received signal are disclosed. One embodiment of a receiver includes a controller operative to determine that a communication signal being received is from a desired transmitter, and to determine a carrier offset correction based on prior reception of communication signals from the desired transmitter, comprising retrieving a carrier offset of the desired transmitter from one or more stored carrier offsets based on previous communication with the desired transmitter and a temperature of the receiver. The receiver further includes a receiver chain operative to receive the communication signal from the desired transmitter, and to generate a carrier offset corrected received signal based on the retrieved carrier offset by applying the carrier offset correction to the received communication signal. The receiver is operative to synchronize to the carrier offset corrected received communication signal. | 2015-04-16 |
20150103966 | TRANSCEIVER - A transceiver comprising a first frequency signal generator for generating a reception frequency signal, and a second frequency signal generator for generating a transmission frequency signal. The first frequency signal generator is coupled to the second frequency signal generator to supply the reception frequency signal to the second frequency signal generator as a reference frequency signal. | 2015-04-16 |
20150103967 | Steam Generator for a Nuclear Reactor - A steam generator for a nuclear reactor comprises plenums proximate with a first plane, wherein the first plane intersects a bottom portion of a riser column of a reactor vessel. The steam generator may further comprise plenums proximate with a second plane, approximately parallel with the first plane, wherein the second plane intersects a top portion of the riser column of the reactor vessel. The steam generator may further include a plurality of steam generator tubes that convey coolant from a plenum located proximate with the first plane to one of the plenums proximate with the second plane. | 2015-04-16 |
20150103968 | Computed Tomography (CT) Image Reconstruction Method - The present invention discloses a computed tomography (CT) image reconstruction method using two-dimensional images at different angles as well as a two-dimensional virtual matrix on a basis of spherical space, to process projection, comparison, and correction. Thus, it can obtain the tomography within predetermined difference value to reduce computational and storage space. Matching the parameters of energy source and image capturing can further shorten energy radiation on an object's (i.e. a human body) exposure time, in order to reduce radiation effects of energy sources (i.e. as X-rays) of the object (i.e. as a human body). | 2015-04-16 |
20150103969 | RECONSTRUCTION OF IMAGE DATA BY MEANS OF CONTOUR DATA - A method is based on first projection data, recorded during a relative rotational movement between an x-ray source of a CT device and at least one examination object lying partly outside the field of view of the CT device. Contour data of the surface of the examination object is useable to enhance the reconstruction of the incomplete first projection data. The spatial correlation between the first projection data and the contour data is known. The first projection data is expanded by way of the contour data to modified projection data, so that the modified projection data includes information about the contour of the examination object lying outside the field of view of the CT device. In an embodiment of the inventive reconstruction of image data by way of the modified projection data, fewer or no artifacts occur by comparison with reconstruction of image data from just the first image data. | 2015-04-16 |
20150103970 | SYSTEMS AND METHODS FOR GENERATING X-RAY PHASE CONTRAST IMAGES USING A CONVENTIONAL X-RAY IMAGING SYSTEM - Described here are systems and methods for generating x-ray phase contrast images from conventional x-ray attenuation data. X-ray attenuation coefficients generated over a range of x-ray energies are used to compute the x-ray phase signal up to a calibration constant. This calibration constant is computed from provided calibration data, which may be obtained using a dedicated x-ray differential phase contrast imaging system to measure the decrement of the refractive index of a calibration phantom. | 2015-04-16 |
20150103971 | SYSTEM AND METHOD FOR MULTI-ENERGY X-RAY IMAGING USING A POLYCHROMATIC SOURCE - A system and method for generating multi-energy computed tomography images of a subject using a polychromatic x-ray source with single spectrum includes acquiring a measure of a polychromatic spectrum of a polychromatic x-ray beam generated by the polychromatic x-ray source. The method also includes acquiring attenuation data generated by operating the polychromatic x-ray source, segmenting the attenuation data based on a plurality of component criteria to create plurality of segmented datasets, and generating template data from the segmented datasets. Using the template data and the measure of the polychromatic spectrum, polychromatic synthetic data is generated. Using the template data and each of the segmented datasets, component synthetic data is generated. Using the attenuation data, the polychromatic synthetic data, and the component synthetic data, a plurality of multi-energy images, including separable images weighted for each of the component criteria, is reconstructed. | 2015-04-16 |
20150103972 | MOTION LAYER DECOMPOSITION CALIBRATION OF X-RAY CT IMAGERS - An x-ray computed tomography system ( | 2015-04-16 |
20150103973 | X-RAY SYSTEM WITH MULTIPLE DYNAMIC RANGE SELECTIONS - An x-ray system with multiple dynamic range selections. The system including an x-ray source and a detector, wherein the detector includes a scintillator and a pixel. The pixel includes a photodiode and first and second capacitors connectable to the photodiode. The pixel is configured to be switched between a first state where only the first capacitor is connected to the photodiode and a second state where both capacitors are connected to the photodiode. The x-ray source directs x-rays to the detector and a region of interest positioned between the source and detector, the scintillator converts the x-rays to light, and the pixel photodiode converts the light to an electrical charge. The charge is stored in the first capacitor when the pixel is in the first state and in the first and second capacitors when the pixel is in the second state. | 2015-04-16 |
20150103974 | X-RAY SYSTEM, SEMICONDUCTOR PACKAGE, AND TRAY HAVING X-RAY ABSORPTION FILTER - An X-ray source is disposed and a detector is disposed adjacent to the X-ray source. A test specimen holder is disposed between the X-ray source and the detector. A filter is disposed between the X-ray source and the test specimen holder. The filter has a plate-shaped semiconductor, a granular semiconductor, or a combination thereof. | 2015-04-16 |
20150103975 | X-RAY IMAGE SENSOR AND X-RAY IMAGE SENSOR SYSTEM USING THE SAME - An x-ray image sensor and an x-ray image sensor system using the same is disclosed. The x-ray image sensor has a back-light unit emitting actinic and non-actinic lights. There is an x-ray-photoconductor-assisted liquid crystal light valve including an x-ray photoconductive unit to absorb x-rays passing through an object to be imaged and create a charge image corresponding to an image of the x-rays and a liquid crystal cell unit to convert the charge image into at least one optical image illuminated by the non-actinic light. The optical image is detected by an optical imager. The optical imager is coupled to a processor converting data of the optical image into picture archiving and communication system (PACS)-compatible format for further storages, distributions, and displays. | 2015-04-16 |
20150103976 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - An X-ray imaging apparatus and control method for the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source configured to generate and emit X-rays having a preset broadband, an X-ray detector including a plurality of raw pixels configured to detect an average of ten photons or less in response to the X-rays which are emitted and convert the detected photons into an electrical signal, and an image processor configured to produce a plurality of single-energy images corresponding respectively to a plurality of preset energy bands by separating the plurality of raw pixels for each of the plurality of preset energy bands based on the electrical signal, and to produce a multi-energy image using the single-energy images. | 2015-04-16 |
20150103977 | METHOD OF PRODUCING THIN FILM TRANSISTOR, THIN FILM TRANSISTOR, DISPLAY DEVICE, IMAGE SENSOR, AND X-RAY SENSOR - A method of producing a thin film transistor includes: forming a gate electrode; forming a gate insulating film that contacts the gate electrode; forming, by a liquid phase method, an oxide semiconductor layer arranged facing the gate electrode with the gate insulating film provided therebetween, the oxide semiconductor layer including a first region and a second region, the first region being represented by In | 2015-04-16 |
20150103978 | Cooled Rotary Anode for an X-Ray Tube | 2015-04-16 |
20150103979 | X-RAY GENERATOR - An object of the invention is to provide an X-ray generator having a simple configuration where heat generated in the irradiation window can be prevented from conducting to a desired portion in accordance with the purpose of use, the method of use or the structure of the X-ray tube. In an X-ray generator for releasing X-rays generated by irradiating a target placed in a vacuumed atmosphere within an X-ray tube with an electron beam from an electron source through an irradiation window of the X-ray tube, the irradiation window has thermal anisotropy where the thermal conductivity is different between the direction in which the irradiation window spreads and the direction of the thickness of the irradiation window, and therefore, the thermal conductivity in the direction in which the heat from the irradiation window is desired not to conduct is made relatively smaller. | 2015-04-16 |
20150103980 | X-RAY DIFFRACTION BASED CRYSTAL CENTERING METHOD USING AN ACTIVE PIXEL ARRAY SENSOR IN ROLLING SHUTTER MODE - A method of centering a single crystal sample in the X-ray beam of a diffractometer uses detection of diffraction spots with an active pixel sensor operated in rolling shutter mode. A sample is mounted in the automated goniometer head of the diffractometer and an approximate center of the sample found through which three perpendicular sample axes pass. With a first sample axis perpendicular to a center axis of the X-ray beam, the sample is moved along the first axis from a first position outside of the beam, through the beam and then to a second position outside of the beam. The positions at which first the presence and then the absence of diffraction spots are detected are determined, and the steps repeated for each of the other two perpendicular directions. A precise center may then be found by determining the centroid of the six coordinates thereby obtained. | 2015-04-16 |
20150103981 | Method and System for Single-Ended Line Testing - The present disclosure relates to a method, a node, a system and a computer program for input impedance measurements in the form of return loss measurements, such as single ended line testing. The disclosure also relates to a communication system having a near-end terminal and at least one far-end terminal. The near-end terminal is capable of communicating instructions to the far-end terminal in order for the near-end terminal to perform echo impulse response measurements on subsequent states of impedance for comparing, analyzing and for enabling improved localization of faults. | 2015-04-16 |
20150103982 | METHODS AND SYSTEMS FOR AUTOMATICALLY PROVIDING AN EMERGENCY SERVICE CALL HANDLER WITH CONTEXT SPECIFIC EMERGENCY SERVICE PROTOCOLS - Computer media and methods for providing emergency services protocols to an emergency service call taker are disclosed herein. A public safety answering point receives an emergency service phone call from a caller. The caller is placed in voice communication with an emergency call handler. The system monitors the voice communication between the caller and the emergency call handler. In response to detecting one or more known keyword in the voice communication, the system provides the emergency call handler with one or more defined protocols for guiding additional communications between the caller and the emergency call handler | 2015-04-16 |
20150103983 | PERSONAL TELEPHONE RECEPTIONIST - An application and process for a mobile electronic device having a speaker, a visual display and a keypad, comprising a receptionist routine to screen an incoming call from a calling party to a receiving party, said routine functioning to receive said incoming call, inquire of and receive information from the calling party, transmit the information to the receiving party, and provide multiple, user-selectable options to the receiving party for handling the incoming call. | 2015-04-16 |
20150103984 | SYSTEM FOR CLOSED LOOP DECISIONMAKING IN AN AUTOMATED CARE SYSTEM - There is disclosed a system functional for operating and updating an interactive voice response self care system which utilizes various types of models. The system is capable of improving the performance of the self care system through updating the models used in that system in a closed loop manner. The system is also potentially configured to utilize input from a human agent, such as a customer service representative, to which a customer call is transferred by a self care system. | 2015-04-16 |
20150103985 | Unified Services Platform Using A Telephone Number As A Common Subscriber Identifier - A system and method for enabling the telephone number as a platform for the association of IP-enabled services with legacy telephone service. A unified services enabler platform may be utilized to associate a customer and their telephone number with a variety of services and applications from multiple different ecosystems. The customer can continue to use their existing telephone service and in addition can utilize new IP-enabled features that are associated with their telephone number as the common ID. | 2015-04-16 |
20150103986 | Signal transmitting and receiving circuit of digital subscriber line - This invention discloses a signal transmitting and receiving circuit of a digital subscriber line used for transmitting an output signal to a telecommunication loop or receiving an input signal from the telecommunication loop. The signal transmitting and receiving circuit comprises a transformer, which is coupled to the telecommunication loop; a signal transmitting module, which is coupled to the transformer, for generating the output signal; a signal receiving module, which is coupled to the transformer, for processing the input signal; an echo cancelling circuit, comprising passive components and having two ends, one of which is coupled to the signal transmitting module and the transformer, the other is coupled to the signal receiving module and the transformer. The output signal is transmitted to the telecommunication loop via the electromagnetic coupling of the transformer, and the input signal is received by the signal receiving module by the electromagnetic coupling of the transformer. | 2015-04-16 |
20150103987 | METHOD AND SYSTEM FOR GENERATING DIGITAL EVENTS FOR ANALOG PHONE SYSTEMS - A method for generating digital events in response to inbound or outbound phone calls on analog phone systems is described. The method monitors a public switched telephone network (PSTN) phone line to detect a call. The analog audio signal of the detected call is amplified. The method acquires call information regarding the detected call from the phone line. The call information is sent to a server as a digital event over a network interface. Voice call recording for the call is initiated. The method uploads a data record that contains the voice call recording to the server over the network interface after the completion of the call. Other embodiments are also described and claimed. | 2015-04-16 |
20150103988 | Method and System for Non-Traditional Directory Assistance - A directory assistance service includes a database and an interface module. The database stores a set of audio advertisements, and the audio advertisements are priced based on a tiered pricing model. The interface module is in communication with the database and receives a directory assistance request from a caller, plays the caller one or more audio advertisements from the database, and charges an advertiser for playing the audio advertisements based on the tiered pricing model. | 2015-04-16 |
20150103989 | SYSTEM AND METHOD FOR ROUTING COMMUNICATIONS - A system and method that includes receiving a communication request of an account, the communication request including communication properties; identifying at least two routing options of a route priority list, the routing options capable of completing the communication request and identified according to a priority heuristic; generating a communication cost from the communication properties; and upon receipt of the routing response and the communication cost response, executing a communication with a routing option of the routing priority list and committing a cost of the communication to the account. | 2015-04-16 |
20150103990 | NETWORK-BASED SOCIAL TELEPHONY FIREWALL - A method receives a call from a device of a caller destined to a device of a subscriber of a communication network. The method connects the call to the device of the subscriber and then receives from the device of the subscriber an indication that the call is an undesirable call. The indication further includes a description of the call. The method then provides a reward to the subscriber when the indication further includes the description of the call. | 2015-04-16 |
20150103991 | CONFERENCE SYSTEM WITH ENHANCED SECURITY AND AUTHENTICATION - A system receives, at a conference platform, a communication from a communications device of a requester requesting to host an audio conference. The system determines whether an access code provided by the requester is a valid access code associated with a provider communications address specified by the requester. A processor identifies a country from which the communication of the requester originated and determines whether the country from which the communication of the requester originated is a pre-authorized country, associated with a host account, from which to host the global audio conference. An audio conference is established when the access code specified by the requester is determined to be a valid access code associated with the provider communications address specified by the requester and when the country from which the communication of the requester originated is determined to be a pre-authorized country from which to host the audio conference. | 2015-04-16 |
20150103992 | SYSTEMS AND METHODS FOR NEAR REAL-TIME VOICE CALLING TO A PLURALITY OF RECIPIENTS - A phone system includes an application server and a phone server. The application server is configured to provide a phone number to a source caller to connect to the phone system, and to receive a subscription of listeners associated with the source caller. The phone server is configured to receive voice call content from the source caller using the phone number. The application server is then configured to cause the phone server to phone dial the subscription of listeners to provide the voice call content to the subscription of listeners based on a validation of the source caller. | 2015-04-16 |
20150103993 | COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL SYSTEM - A communication control device include a call connection count management unit that acquires a call connection count that indicates a number of calls that are being processed by each of call control servers which performs a call process; a server stop control unit that transfers a call process that is allocated to a first call control server selected on the basis of the call connection count to another call control server, and that stops the first call control server when no call process allocated to the first call control server is present; and an assignment control unit that assigns, when the call control server that performs the call process associated with a processing request related to a call process is being stopped, the processing request to the other call control server to which the call process associated with the processing request is transferred. | 2015-04-16 |
20150103994 | Data and Call Routing and Forwarding - One or more aspects of the disclosure relate to various functions and processes related to routing of calls originating from other service providers. For example, a method includes receiving a request to route a call or a call session, such as a session initiation request, from a second service provider and proceeding to route the requested call or session through a call routing facility of the first service provider to a requested destination of the call. Routing the call through the call routing facility may include determining a service provider type and/or an origination number type for the call, determining routing information for the call using the type information, and causing routing of the call to a destination of the call based on the routing information. Further aspects of the disclosure relate to various functions and processes related to accessing routing data and/or information from a routing database. | 2015-04-16 |