10th week of 2013 patent applcation highlights part 30 |
Patent application number | Title | Published |
20130058383 | CLOSED-LOOP MULTIPLE-INPUT-MULTIPLE-OUTPUT SCHEME FOR WIRELESS COMMUNICATION BASED ON HIERARCHICAL FEEDBACK - The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user. The first frame is formed by pre-coding at least one symbol using at least one first code word selected from at least one first code book associated with the at least one user. The method also includes transmitting at least one second frame to the user(s). The second frame(s) are pre-coded using at least one second codeword selected from at least one second codebook. The second codebook(s) determined based on the feedback and the first codeword(s). | 2013-03-07 |
20130058384 | Frequency Multiplying Transceiver - Described herein is a wireless transceiver and related method that enables ultra low power transmission and reception of wireless communications. In an example embodiment of the wireless transceiver, the wireless transceiver receives a first-reference signal having a first-reference frequency. The wireless transceiver then uses the first-reference signal to injection lock a local oscillator, which provides a set of oscillation signals each having an oscillation frequency that is equal to the first-reference frequency, and each having equally spaced phases. Then the wireless transceiver combines the set of oscillation signals into an output signal having an output frequency that is one of (i) a multiple of the first-reference frequency (in accordance with a transmitter implementation) or (ii) a difference of (a) a second-reference frequency of a second-reference signal and (b) a multiple of the first- reference frequency (in accordance with a receiver implementation). | 2013-03-07 |
20130058385 | POWER EFFICIENT COMMUNICATIONS - A method, system, and device provide power-efficient communications within the context of available power. Transmission and receipt data rates are scalable in accordance with output power available from a power source. Data is transmitted at a data rate determined, at least in part, by the available output power. | 2013-03-07 |
20130058386 | METHOD AND SYSTEM FOR QUANTIZED FEEDBACK RATE ADAPTATION IN A COMMUNICATION SYSTEM - The present invention relates to a method for adapting the feedback rate of a quantized representation of the propagation channel in a capacity-limited feedback channel. The method comprises obtaining a reference signal from an access point; deriving a rank indication, a codebook subset selection indication and a precoding matrix index based on the obtained reference signal; sending a first feedback message conveying the rank indication and the codebook subset selection indication, and sending a second feedback message conveying the precoding matrix index, to the access point; and receiving, from the access point, data precoded by a matrix derived based on the rank indication, the codebook subset selection indication and the precoding matrix index. | 2013-03-07 |
20130058387 | WIRELESS COMMUNICATIONS DEVICE WITH PERFORMANCE MONITORING AND ASSOCIATED METHODS - A mobile wireless communications device includes a transceiver comprising a transmitter and a receiver, an auxiliary receiver, and a controller. The transmitter is configured to upconvert a transmit baseband modulated signal and generate an RF modulated signal having a transmit impairment. The auxiliary receiver is configured to downconvert the RF modulated signal and generate a receive baseband modulated signal having the transmit impairment. The auxiliary receiver is selectively configured to operate based on a control signal in a single-mixer mode when the transmitter is selectively configured to operate in a dual-mixer mode, and in the dual-mixer mode when the transmitter is selectively configured to operate in the single-mixer mode. The controller is configured to compare the transmit baseband modulated signal to the transmit impairment to determine an error difference therebetween, and generate the control signal based on the error difference. | 2013-03-07 |
20130058388 | WIRELESS COMMUNICATIONS DEVICE WITH IMPAIRMENT COMPENSATION AND ASSOCIATED METHODS - A mobile wireless communications device includes a transceiver, an auxiliary receiver and a controller. The transceiver includes a transmitter and a receiver. The transmitter upconverts a transmit baseband modulated signal and generates an RF modulated signal having a transmit impairment. The auxiliary receiver is coupled to the transmitter and downconverts the RF modulated signal and generates a receive baseband modulated signal having a receive impairment therein spectrally separated from the transmit impairment. The controller is coupled to the transmitter and the auxiliary receiver and estimates the transmit impairment while ignoring the receive impairment based on comparing the transmit baseband modulated signal with the receive baseband modulated signal. The controller generates an impairment compensation signal based upon the estimated transmit impairment. | 2013-03-07 |
20130058389 | SIGNAL TRANSMITTER AND SIGNAL TRANSMITTING METHOD FOR TRANSMITTING SPECIFIC DATA BIT WITH DIFFERENT PREDETERMINED VOLTAGE LEVELS - An exemplary signal transmitter includes a checking circuit and a driving circuit. The checking circuit is arranged for checking a plurality of successive data bits to be transmitted and accordingly generating a checking result. The driving circuit is arranged for referring to the checking result and transmitting a specific data bit with a plurality of different predetermined voltage levels. An exemplary signal transmitting method includes: checking a plurality of successive data bits to be transmitted, and accordingly generating a checking result; and transmitting a specific data bit with a plurality of different predetermined voltage levels according to the checking result. | 2013-03-07 |
20130058390 | ENHANCED SPATIAL MODULATION - A method of spatial modulation and associated transmission apparatus, receiver apparatus, computer program product and system for identifying a transmitter element within a transmission array of at least two transmitter elements, wherein a signal is transmitted by one active transmitter element at a time over a channel to a receiver. Power is allocated to the transmitter elements, wherein the power is allocated differently between at least two transmitter elements. The transmitted data is received at the receiver. The location of the active transmitter element is detected using knowledge of the power allocated to the transmitter elements. | 2013-03-07 |
20130058391 | Timing Recovery Module and Timing Recovery Method - The present invention discloses a timing recovery module of a receiver of a communication system. The timing recovery module includes a timing error calculating unit, for calculating a timing error according to an output signal of an equalizer of the receiver; and a multiplexer, for receiving the timing error, a specific negative timing error and a specific positive timing error, and outputting one of the timing error, the specific negative timing error and the specific positive timing error as a timing adjustment value according to a main tape coefficient, a most negatively adjacent tape coefficient and a most positively adjacent tape coefficient of the equalizer. | 2013-03-07 |
20130058392 | METHODS, SYSTEMS AND APPARATUS FOR DISPLAYING THE MULTIMEDIA INFORMATION FROM WIRELESS COMMUNICATION NETWORKS - Video signals for a mobile terminal are converted to accommodate reproduction by an alternative display terminal. The video signal is processed to provide a converted video signal appropriate for an alternative display terminal that is separate from the mobile terminal. This converted video signal is then provided for the alternative display terminal to accommodate the corresponding video display on a screen provided by the alternative (e.g., external) display terminal. | 2013-03-07 |
20130058393 | Systems and Methods for Encoding and Streaming Video Encoded Using a Plurality of Maximum Bitrate Levels - Systems and methods for streaming and playing back video having a variety of resolutions, frame rates, and/or sample aspect ratios, where the video streams are encoded at one of a number of maximum bit rate levels, in accordance with embodiments of the invention are disclosed. One embodiment includes a processor, and storage containing data relating combinations of resolution and frame rates to maximum bitrates, where a plurality of resolution and frame rates that are related to the same maximum bitrate form a maximum bitrate level. In addition, an encoding application configures the processor to encode a video stream as a plurality of video streams having different resolutions and frame rates, where the target maximum bitrate used during the encoding is selected based upon the maximum bitrate levels of the resolution and frame rate combinations indicated within the data relating combinations of resolution and frame rates to maximum bitrates. | 2013-03-07 |
20130058394 | Video Coding - A method comprising: encoding a video image at each of a plurality of frames, including by using inter frame encoding to encode at least portions of some of the frames, thereby generating an encoded video stream; transmitting the encoded video stream over a lossy channel to be decoded at a receiver to produce decoded video; and performing a recovery operation to refresh the encoding of the video image, cutting off error propagation that has occurred in the decoded video due to an effect of inter prediction in presence of loss over said channel; wherein the recovery operation is triggered by a report fed back from the receiver indicative of loss; and wherein the recovery operation is performed over a plural number of frames, refreshing the encoding of different partial frame regions at different respective frames. | 2013-03-07 |
20130058395 | Video Coding - A method of performing a rate-distortion optimization process comprising selecting a preferred encoding mode by optimizing a function comprising an estimate of distortion for a target image portion and a measure of bit rate required to encode that portion. The estimate of distortion is based on source coding distortion and an estimate of error propagation distortion due to loss. The method further comprises transmitting the same encoded version of the video stream from the transmitting terminal to each of a plurality of receiving terminals over respective lossy channels, using the same rate-distortion optimization process in relation to each of the plurality of receiving terminals, making the same encoding mode selection per target image portion based on the same optimization of said function. The estimate of error propagation distortion comprises an aggregate estimate of error propagation distortion that would be experienced due to possible loss over the plurality of channels. | 2013-03-07 |
20130058396 | VIDEO ENCODING CONTROL METHOD AND APPARATUS - A video encoding control method for controlling encoding of an input video signal. The method includes the steps of detecting an underflow of a decoder buffer; if the underflow of the decoder buffer has been detected, suppressing an amount of generated code by skipping an encoding target picture or by encoding the encoding target picture so as to produce a minimum amount of generated code; after suppressing the amount of generated code, comparing a current rate of occupancy in the decoder buffer with a predetermined threshold for the rate of occupancy in the decoder buffer; and performing a control for continuously suppressing the amount of code generated for each encoding target image by using the above step of suppressing the amount of generated code until the rate of occupancy in the decoder buffer exceeds the threshold based on a result of the above comparison. | 2013-03-07 |
20130058397 | APPARATUS AND METHOD FOR CONSTRUCTING AND INDEXING A REFERENCE IMAGE - An apparatus for configuring and indexing a reference image for estimating motion vector includes: a reference image configuring unit for processing the reference image in a variety of arbitrary different methods and arranging reference frames according to processing methods; and an index assignment unit for assigning reference frame indexes according to the method processed by the reference image configuring unit. | 2013-03-07 |
20130058398 | ADAPTIVE RATE CONTROL FOR ENCODING OF VARIABLE FRAME RATE VIDEO SOURCES - Techniques for performing rate control for encoding of video frames are provided. A first timestamp that indicates a prior video frame capture time and a second timestamp that indicates a current video frame capture time are received. A time difference between these timestamps is determined. An average video data bit encoding rate is multiplied by the determined time difference to calculate a bit budget. An indication of a number of encoded video data bits of the prior video frame and of any further video frames encoded subsequent to the prior video frame and prior to the current video frame is received. A virtual buffer fill level is adjusted based on a difference between the indicated number of encoded video bits and the calculated bit budget. A quantizer parameter is adjusted based on the adjusted virtual buffer fill level. The current video frame is encoded according to the adjusted quantizer parameter. | 2013-03-07 |
20130058399 | Method For Modeling Coding Information Of Video Signal For Compressing/Decompressing Coding Information - A method for context-modeling coding information of a video signal for compressing or decompressing the coding information is provided. An initial value of a function for probability coding of coding information of a video signal of an enhanced layer is determined based on coding information of a video signal of a base layer. | 2013-03-07 |
20130058400 | ADAPTIVE RESTORATION FOR VIDEO CODING - A coding system includes a decoding block and a reconstruction loop with first and second adaptive restoration blocks. The decoding block receives and decodes an encoded bitstream to derive residues, prediction information, and adaptive restoration information. The reconstruction loop reconstructs a current frame according to the residues and prediction information. The first adaptive restoration block performs restoration on a first set of processed data according to a first set of the adaptive restoration information, and the second adaptive restoration block performs restoration on an output of the first adaptive restoration block according to a second set of the adaptive restoration information. | 2013-03-07 |
20130058401 | IMAGE-FILTERING METHOD AND APPARATUS, AND ENCODING/DECODING METHOD AND APPARATUS USING SAME - An image filtering apparatus and method and a video encoding/decoding apparatus and method using the same are disclosed. The image filtering apparatus includes: a boundary identifying unit for identifying a boundary between two transform blocks included in an image; a pixel/strength selecting unit for selecting a filtering strength according to a size of at least one transform block among the two transform blocks; and a filtering unit for filtering at least one pixel included in a region adjacent to the boundary. | 2013-03-07 |
20130058402 | LOSSLESS VIDEO DATA COMPRESSOR WITH VERY HIGH DATA RATE - Lossless video data compression is performed in real time at the data rate of incoming real time video data in a process employing a minimum number of computational steps for each video pixel. Each pixel 8-bit byte is converted to a difference byte representing the difference between the pixel and its immediate predecessor in a serialized stream of the pixel bytes. This reduces the dynamic range of the data. Any carry bits generated in the subtraction process of two's complement arithmetic are discarded. This reduces the data by a factor of two. Finally, the 8-bit difference pixel bytes thus produced are subject to a maximum entropy encoding process. Such a maximum entropy encoding process may be referred to as a minimum length encoding process. | 2013-03-07 |
20130058403 | MOVING PICTURE ENCODING METHOD, MOVING PICTURE DECODING METHOD, MOVING PICTURE ENCODING DEVICE, MOVING PICTURE DECODING DEVICE, AND COMPUTER PROGRAM - There is provided a moving picture encoding method based on hierarchical encoding. The method includes the step of encoding a time filtering lower hierarchical signal belonging to a lower hierarchy among signals of respective hierarchies which have been subjected to time-direction filtering and then to hierarchical division and an upper hierarchy time filtering signal obtained by performing time-direction filtering on a signal corresponding to the upper hierarchy of the aforementioned lower hierarchy signal. Thus, decoded signals of all the hierarchies can have image quality equivalent to the decoded image when encoding is performed with a single hierarchy. | 2013-03-07 |
20130058404 | METHOD OF MOTION PREDICTION OF MULTIMEDIA VIDEO CODING - A method of motion prediction of multimedia video coding includes the steps of a) defining that each of macroblocks of enhancement layers has corresponding BL_Residual, EL_Residual, and EL_Residual | 2013-03-07 |
20130058405 | Video Coding - A method of performing a rate-distortion optimization process comprising, for each of a plurality of target image portions to be encoded in each of a plurality of frames, selecting a preferred one of a set of encoding modes by optimizing a function comprising an estimate of distortion for the target image portion and a measure of bit rate required to encode the target image portion, wherein the estimate of distortion is based on source coding distortion and an estimate of a distortion that would be experienced due to possible loss over the channel; encoding the target image portion into the encoded video stream using the selected encoding mode; and transmitting the encoded video stream over the channel. The rate-distortion optimization process for a current one of the frames is performed in dependence on feedback received from the receiving terminal based on an earlier one of the frames. | 2013-03-07 |
20130058406 | PREDICTIVE FRAME DROPPING METHOD USED IN WIRELESS VIDEO/AUDIO DATA TRANSMISSION - A predictive frame dropping method used in wireless video/audio data transmission using a video decoder or a video encoder under compressed domain instead of raw domain is provided. The method drops at least one consecutive P-frame directly in front of each I-frame sequentially in each group of pictures (GOP) for reducing the total amount of cache memory required for frame buffering and avoiding the memory from overflowing either before the data are being decompressed by the video decoder at the receiver side or after being compressed by the video encoder at the transmitter side. A controller for controlling the quantity of number of P-frames to be dropped is provided. The video decoder does not need any off-chip DDR memory. An SRAM can reside in either the video decoder or the video encoder for carrying out the predictive frame dropping method. | 2013-03-07 |
20130058407 | CODING OF TRANSFORM COEFFICIENTS FOR VIDEO CODING - This disclosure describes coding transform coefficients associated with a block of residual video data in a video coding process. Aspects of this disclosure include the selection of a scan order for both significance map coding and level coding, as well as the selection of contexts for entropy coding consistent with the selected scan order. This disclosure proposes a harmonization of the scan order to code both the significance map of the transform coefficients as well as to code the levels of the transform coefficient. It is proposed that the scan order for the significance map should be in the inverse direction (i.e., from the higher frequencies to the lower frequencies). This disclosure also proposes that transform coefficients be scanned in sub-sets as opposed to fixed sub-blocks. In particular, transform coefficients are scanned in a sub-set consisting of a number of consecutive coefficients according to the scan order. | 2013-03-07 |
20130058408 | IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS - An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer description, into a first header of the processing unit which is included in the coded bitstream; and coding the processing unit using the selected buffer description, and the buffer description defining information includes long-term information for identifying, among a plurality of reference pictures indicated in the buffer descriptions, a reference picture to be assigned as a long-term reference picture. | 2013-03-07 |
20130058409 | MOVING PICTURE CODING APPARATUS AND MOVING PICTURE DECODING APPARATUS - A moving picture coding apparatus includes: a coding unit which codes pictures with reference to decoded pictures of previously coded pictures to generate coded data of the pictures; a transmission unit which transmits the coded data to a moving picture decoding apparatus; and a control unit. When an acknowledgement signal indicating successful receiving of coded data of all of a predetermined number of consecutive pictures is received from a receiver apparatus, the control unit stores, as a key picture in a memory, a decoded picture of a current picture being coded when the acknowledgement signal is received. When a negative-acknowledgement signal indicating unsuccessful receiving of coded data of any of the consecutive pictures is received, the control unit causes the coding unit to code the current picture with reference to a key picture stored in the memory. | 2013-03-07 |
20130058410 | ENCODING DEVICE, DECODING DEVICE, AND DATA STRUCTURE - A video encoding device includes a side information determination section and a side information encoding section. The side information determination section sets a quantization parameter for each macroblock in such a manner that a difference between quantization parameters for each pair of macroblocks with successive encoding orders is equal to one of n difference values, and transforms the difference into one of n indices with respect to each pair. The side information encoding section generates a binary sequence having a length corresponding to the size of the absolute value of the index. The total of absolute values of the n indices is smaller than the total of absolute values of the n difference values. | 2013-03-07 |
20130058411 | METHODS AND APPARATUS FOR INTRA CODING A BLOCK HAVING PIXELS ASSIGNED TO GROUPS - Methods and apparatus are provided for intra coding a block having pixels assigned to groups. An apparatus includes a video encoder for encoding a block in a picture using intra prediction by dividing pixels within the block into at least a first group and a second group and encoding the pixels in the first group prior to encoding the pixels in the second group. A prediction for at least one of the pixels within the second group is obtained by evaluating the pixels within the first group and the second group. | 2013-03-07 |
20130058412 | Dynamic Load Balancing for Video Decoding Using Multiple Processors - A method and computer readable medium storing a corresponding computer program for decoding a video bitstream based on processors using dynamic load balancing are disclosed. In one embodiment of the present invention, the method configures multiple processors to perform the multiple processing modules including a prediction module by mapping the multiple processing modules to the multiple processors. One or more buffer queues are used among said multiple processing modules and the mapping the prediction module to the multiple processors is based on the level of the buffer queue. The multiple processors may correspond to a multi-core Central Processing Unit (CPU) comprising of multiple CPUs or a multi-core Digital Signal Processor (DSP) comprising of multiple DSPs to practice the present invention. | 2013-03-07 |
20130058413 | METHODS AND APPARATUS FOR UNI-PREDICTION OF SELF-DERIVATION OF MOTION ESTIMATION - Methods and apparatus are provided for uni-prediction of self-derivation of motion estimation. An apparatus includes a video encoder for encoding at least a portion of a picture. The video encoder includes a self derivation motion estimator for performing self derivation motion estimation for the portion. The self derivation motion estimation is used for selectively performing uni-prediction or bi-prediction for the portion based on one or more criterion. | 2013-03-07 |
20130058414 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING SYSTEM - Provided is an image processing apparatus including an encoding processing unit that generates a plurality of encoded streams of different display sizes with respect to each of a plurality of picture contents, encodes the picture contents in units of predetermined blocks using the encoded streams, and generates an encoded stream of a multi-picture reproduction image to display the plurality of picture contents at the same time. When parameters regarding encoding of an original block that is a block of the picture contents corresponding to the predetermined block, which are included in the encoded streams of the picture contents, are prohibition parameters prohibited in the encoded stream of the multi-picture reproduction image, the encoding processing unit decodes the encoded streams of the original block, reencodes the streams, and sets the obtained encoded streams as the encoded streams of the predetermined block. | 2013-03-07 |
20130058415 | METHOD AND APPARATUS FOR ENCODING/DECODING MOTION VECTOR - Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding the motion vector includes: selecting, as a mode of encoding information about a motion vector predictor of the current block, a first mode in which information indicating the motion vector predictor from among at least one motion vector predictor is encoded or a second mode in which information indicating generation of the motion vector predictor based on blocks or pixels included in a previously encoded area adjacent to the current block is encoded; determining the motion vector predictor of the current block according to the selected mode and encoding the information about the motion vector predictor of the current block; and encoding a difference vector between the motion vector of the current block and the motion vector predictor of the current block. | 2013-03-07 |
20130058416 | IMAGE PROCESSING APPARATUS AND METHOD - An image processing apparatus and an image processing method capable of further improving coding efficiency while suppressing an increase in a load. For example, in a case a macro block with a size of 16×16 pixels or less used in AVC is a coding process target, a motion search and compensation unit performs a motion search using an image with the original size which is not reduced. In addition, for example, in a case where an extended macro block with a size larger than 16×16 pixels is a coding process target, the motion search and compensation unit performs a motion search using a reduced image. | 2013-03-07 |
20130058417 | PREDICTION IMAGE GENERATION DEVICE, MOVING IMAGE DECODING DEVICE, AND MOVING IMAGE CODING DEVICE - An inter-predicted image generation section ( | 2013-03-07 |
20130058418 | Methods and Apparatus for Unified Significance Map Coding - Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated for the transform coefficients based on a unified rule. The one or more context sharing maps are for providing at least one context that is shared among at least some of the transform coefficients obtained from at least two different ones of the plurality of transforms. | 2013-03-07 |
20130058419 | WIRELESS VIDEO/AUDIO DATA TRANSMISSION SYSTEM - A wireless video/audio data transmission system for adjusting Phase-Locked-Loop (PLL) parameters to synchronize the rate of clock reference transmission in a decoder module is provided. The decoder requires no external DDR memory for performing frame buffering, and instead, an on-chip internal SRAM memory is provided as the frame buffer. Frame images are processed under compressed domain at the decoder module using the SRAM. Synchronization of reference frequency in decoder with the reference frequency in encoder allows for the SRAM to be utilized. Timing information for synchronizing decoding of the video/audio data is defined by timestamps sent at set interval. PLL is used for adjusting frequency of the decoder or encoder module. The PLL is adjusted up when reference frequency of encoder module is higher than reference frequency of decoder module and the corresponding timestamp value at encoder module is lower in comparison to corresponding timestamp value, and vice versa. | 2013-03-07 |
20130058420 | DECODING APPARATUS, DECODING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A selector selects one of a standard parameter corresponding to a filter strength contained in input movie image data and an original parameter originally set at the decoding side as a filter parameter to be used. A screen-display filter performs deblocking filtering using the filter parameter selected by the selector on decoded movie image data. A post-filter performs deblocking filtering using the standard parameter and stores the obtained decoded image data in a memory to allow it to be used in inter-frame compensation. | 2013-03-07 |
20130058421 | METHODS AND APPARATUS FOR ADAPTIVE DIRECTIONAL FILTER FOR VIDEO RESTORATION - Methods and apparatus are provided for an adaptive directional filter for video restoration. An apparatus includes a video encoder for encoding at least a portion of a picture by categorizing pixels in the portion into respective ones of a plurality of groups, and selecting on a pixel basis filtering parameters for filtering the pixels responsive to the respective ones of the plurality of groups to which the pixels belong. | 2013-03-07 |
20130058422 | POWER EFFICIENT COMMUNICATIONS - A method, system, and device provide power-efficient communications within the context of available power. Transmission and receipt data rates are scalable in accordance with output power available from a power source. Data is transmitted at a data rate determined, at least in part, by the available output power. | 2013-03-07 |
20130058423 | POWER EFFICIENT COMMUNICATIONS - A method, system, and device provide power-efficient communications within the context of available power. Transmission and receipt data rates are scalable in accordance with output power available from a power source. Data is transmitted at a data rate determined, at least in part, by the available output power. | 2013-03-07 |
20130058424 | Codebook Design and Structure for Multi-Granular Feedback - A first precoding matrix W | 2013-03-07 |
20130058425 | PRECODING PROCESSING METHOD AND USER EQUIPMENT - A precoding processing method and user equipment are disclosed. The precoding processing method includes: selecting a codebook vector for performing precoding processing for data among a codebook set of N | 2013-03-07 |
20130058426 | CLOSED FORM SINGULAR VALUE DECOMPOSITION - The subject matter disclosed herein provides methods and apparatus for determining a singular value decomposition, providing feedback from a client station to a base station, and closed loop operation of a wireless system implementing multiple-input multiple-output (MIMO). The method may include determining one or more singular vectors using a closed form singular value decomposition. The one or more determined singular vectors may be provided to a precoder at the base station as feedback. The method may include aligning a phase of one or more singular vectors. The method may also include determining, at a client station, a plurality of singular vectors for channels used in a MIMO transmission from a base station to a client station. The client station may provide an indication to the base station regarding whether to use a singular value decomposition or a uniform channel decomposition. Related systems, apparatus, methods, and/or articles are also described. | 2013-03-07 |
20130058427 | COMMUNICATION SYSTEM WITH MODULATION CLASSIFIER AND METHOD OF OPERATION THEREOF - A method of operation of a communication system includes: calculating a shift distance of a received signal having a distortion; calculating an approximate likelihood of the received signal matching a transmitted signal from the shift distance; determining a bias factor from the distortion; and selecting a determined modulation maximizing a combination of the approximate likelihood and the bias factor for communicating with a device. | 2013-03-07 |
20130058428 | METHOD AND APPARATUS FOR TRANSMITTING PRECODING MARTRIX INDEX AND PERFORMING PRECODING - A method and an apparatus for sending a Precoding Matrix Index (PMI) and performing precoding are provided in the embodiments of the present invention. The method for sending the PMI comprises the following steps: a user equipment acquires the transmission channel capability of carrying the PMI; according to the transmission channel capability of carrying the PMI, the precoding matrices are selected from a locally-stored first codebook set to form a second codebook set; a first precoding matrix is selected from the second codebook set; an index corresponding to the first precoding matrix is sent to a base station over the transmission channel so as to make the base station can find out the first precoding matrix according to the index and precode the data according to the first precoding matrix. The embodiments of the present invention can realize the flexible configuration and use of the PMI. | 2013-03-07 |
20130058429 | TRANSMITTER EQUALIZATION METHOD AND CIRCUIT USING UNIT-SIZE AND FRACTIONAL-SIZE SUBDRIVERS IN OUTPUT DRIVER FOR HIGH-SPEED SERIAL INTERFACE - A method is provided for controlling a data transmission device that includes at least one fractional-sized subdriver. The method includes enabling at least one subdriver and driving a differential signal pair output. Also provided is a device with an output driver having a plurality of subdrivers where at least one subdriver is fractional-sized. The device also includes a de-emphasis portion configured to enable and disable the subdrivers. The device is configured to drive an output data signal. Also provided is a computer readable storage device encoded with data for adapting a manufacturing facility to create an apparatus such as the device. Also provided is an apparatus that includes an output driver with at least one fractional-sized subdriver and a de-emphasis portion configured to enable and disable the subdrivers of the output driver. The output driver is configured to drive a differential output data signal. | 2013-03-07 |
20130058430 | Trellis modulation protocols for a VDSL system - A new protocol is proposed for transmission of data through lines such as telephone lines. The tones of a signal are grouped, and Trellis encoding is performed only of the members of a group. The computational cost of coding and decoding the data is reduced (compared to treating all the tones of a given direction equivalently), and the invention makes it possible to significantly reduce the computational and memory requirements of the encoder and decoder. Furthermore, Trellis decoding errors are not propagated between the groups. | 2013-03-07 |
20130058431 | Methods, apparatus, and systems for coding with constrained interleaving - Serially-concatenated codes are formed in accordance with the present invention using a constrained interleaver. The constrained interleaver cause the minimum distance of the serial concatenated code to increase above the minimum distance of the inner code alone by adding a constraint that forces some or all of the distance of the outer code onto the serially-concatenated code. This allows the serially-concatenated code to be jointly optimized in terms of both minimum distance and error coefficient to provide significant performance advantages. Constrained interleaving can be summarized in that it: 1) uses an outer code that is a block code or a non-recursive convolutional code, and as such, there are multiple codewords present in the constrained interleaver, 2) selects a desired MHD, 3) selects an interleaver size and a set of predefined interleaver constraints to prevent undesired (low-distance) error events so as to achieve the desired MHD, and 4) performs uniform interleaving among the allowable (non-constrained) positions, to thereby maximize or otherwise improve the interleaver gain subject to the constraints imposed to maintain the desired MHD. | 2013-03-07 |
20130058432 | WIRELESS TRANSMISSION DEVICE, WIRELESS TRANSMISSION METHOD, WIRELESS TRANSMISSION PROGRAM, AND WIRELESS COMMUNICATION SYSTEM - A wireless transmission device is characterized by including: first interference suppression processing means | 2013-03-07 |
20130058433 | PRE-CODING METHOD, PRE-DECODING METHOD, TRANSMITTER AND MOBILE TERMINAL BASED ON INTERFERENCE ALIGNMENT - The transmitter and a mobile terminal based on interference alignment use pre-coding and pre-decoding methods. An antenna mapping matrix is computed according to a downlink channel state information, wherein the antenna mapping matrix is used for antenna mapping for the current transmitter to perform interference alignment. A multi-cell pre-coding matrix according to the downlink channel state information and the antenna mapping matrix; a single cell multi-user pre-coding matrix and pre-coding user data using the single cell multi-user pre-coding matrix and the multi-cell pre-decoding matrix and performing an antenna mapping using the antenna mapping matrix are computed. A system which cannot use the interference alignment method directly may be transformed to use the interference alignment method directly. In addition, the interference suppression between cells and the interference management inside cells are two separate processes, in which different linear pre-coding and decoding methods may be used. | 2013-03-07 |
20130058434 | DEVICE AND METHOD FOR PRECODING VECTORS IN A COMMUNICATION SYSTEM - A device and method for precoding vectors in a communication system is provided. A transmitter may precode a data vector using information regarding a communication channel prior to transmitting the data vector. The transmitter may precode the data vector in a manner that reduces an energy value of a resulting transmit data vector so as to minimize interference in a received signal at a receiver. The transmitter may perturb entries of the data vector one-by-one in an iterative fashion until a minimum in an energy value of the transmit data vector is obtained. | 2013-03-07 |
20130058435 | HIGH EFFICIENCY TRANSMITTER - A transmitter includes: a decoder for transforming an IQ signal into a linear sum of two vectors which have non-negative coefficients, respectively, which form an angle of (π/4), and which are included in eight vectors representing directions indicated by eight angles of (−π/2), 0, (π/2), π, (−3π/4), (−π/4), (π/4), and (3π/4), respectively, and for outputting information upon magnitudes and angles of the two vectors; a phase generator for generating eight phase signals corresponding to phases of (−π/2), 0, (π/2), π, (−3π/4), (−π/4), (π/4), and (3π/4), respectively, and outputting the eight phase signals; and a selector for selecting two phase signals having phases equivalent to angles of the two vectors, from among the eight phase signals, and amplifying the two phase signals having been selected, based on the information upon the magnitudes and the angles, and outputting, as a plurality of amplification signals, the two phase signals having been amplified. | 2013-03-07 |
20130058436 | APPARATUS AND METHOD FOR PROCESSING A SIGNAL - A signal processing apparatus stores previously determined function values using parameters through a processing unit, and outputs the stored function data using subsequently input data as an address. | 2013-03-07 |
20130058437 | ANALOG-TO-DIGITAL CONVERTER AND WIRELESS RECEIVER - The influence of a jitter of a sampling clock of an analog-to-digital converter is digitally corrected at low power consumption. | 2013-03-07 |
20130058438 | Digital Compensation Technique Using Area Efficient Tri-state Architecture - An integrated circuit device can include a radio-frequency device and a hard-wired lookup table. The radio-frequency device can have an analog input, a digital control input, and an analog output. An unadjusted transfer response of the analog output relative to the analog input and the digital control input can differ from an ideal transfer response. The hard-wired lookup table can be connected to the digital control input of the radio-frequency device to generate a modified digital control input based on a predetermined function. This can have the effect that the adjusted transfer response of the analog output relative to the analog input and the modified digital control input is closer to the ideal transfer response than the unadjusted transfer response of the analog output relative to the analog input and the digital control input. The predetermined function can be defined by metallization connections within the integrated circuit device. | 2013-03-07 |
20130058439 | Receiver - The present invention discloses a receiver for a communication system. The receiver includes at least one power detector, for detecting the power value of the processed signal of a received signal; a dynamic analog to digital converter (ADC), having a variable set point and a variable dynamic range; and a Digital Signal Processor (DSP), for adjusting the variable set point and the variable dynamic range according to the power value. | 2013-03-07 |
20130058440 | METHOD TO REDUCE PEAK TO AVERAGE POWER RATIO IN MULTI-CARRIER MODULATION RECEIVERS - A method for performing channel estimation in an orthogonal frequency division multiplexing (OFDM) signal includes choosing reserved tones to be part of a pilot pattern, and using the reserved tones in the pilot pattern to perform the channel estimation. An apparatus for use in performing channel estimation in an OFDM system includes a receiver configured to receive a transmitted OFDM signal; a pilot symbol extractor configured to extract pilot symbols from the OFDM signal; and a channel estimator configured to perform the channel estimation, including using reserved tones as pilot tones. | 2013-03-07 |
20130058441 | Signal Demodulation Method - A signal demodulation method is disclosed, which includes: obtaining a complete transmission code word; calculating estimated values of three non-differential phases of the transmission code based on a majority logic; identifying a most unreliable phase among three non-differential phases and determining the other two reliable phases to obtain their determination values; calculating determination values of the rest two phases based on the two determined phases; and looking up in tables based on determination values of the four phases to obtain incoming bits. The demodulation method of the present invention is capable of sufficiently reducing the effect of noise on signal and effectively improving the signal demodulation performance. | 2013-03-07 |
20130058442 | WIRELESS RECEIVING APPARATUS AND METHOD - According to one embodiment, a wireless receiving apparatus a calculation module, a detection module and a determination module. The calculation module calculates, for each of modes, correlation values between a received signal and reference signals. The detection module synthesizes the correlation values to generate first correlation value sequences for each of the modes, and to detect at least one second correlation value sequence. The determination module selects a known signal period from the signal periods and a known signal interval from the signal intervals, based on first correlation values included in the second correlation value sequence, and to determine a received signal mode. | 2013-03-07 |
20130058443 | Method of Doppler Spread Estimation - A method includes receiving a signal comprising a symbol-carrier matrix, the symbol-carrier matrix including a predetermined pattern of reference symbols, and determining at least one channel estimate Ĥ | 2013-03-07 |
20130058444 | Fault Tolerant Communications Over a Two-Wire Interface - Techniques are provided for fault-tolerant communications over a two-wire interface. A method for such communications includes iteratively initiating transfer of data between a master device and a slave device via a two-wire interface, and, prior to each iteration, transmitting a flushing bit-stream from the master device to the slave device. The flushing bit-stream is configured to align the operations of the slave device with the operations of the master device. | 2013-03-07 |
20130058445 | SAMPLING PHASE SELECTION METHOD FOR A STREAM OF DATA BITS - The current disclosure discloses a sampling phase selection method for a data stream, wherein the data stream has a variable data rate in a fixed time period. The method comprises the following steps: generating M section signals with the same time interval during the fixed time period of the data stream, generating N continuous clock phases according to a rising edge of each of the section signals, selecting one of the continuous clock phases corresponding to the different section signals in turn to provide a sampling phase, performing a plurality of samplings on the data stream to generate a flag signal, repeating the selecting and the sampling steps to generate N flag signals corresponding to the different section signals, and selecting a final sampling phase according to the N flag signals corresponding to the different section signals. | 2013-03-07 |
20130058446 | CONTINUOUS FUSION DUE TO ENERGY CONCENTRATION THROUGH FOCUSING OF CONVERGING FUEL PARTICLE BEAMS - A thermonuclear reaction system for generating a thermonuclear fusion reaction includes a reaction chamber and a number of particle beam emitters. The particle beam emitters are supported spatially around oriented toward a common focal region of the reaction chamber. The particle beam emitters accelerate energized particles of at least one thermonuclear fuel type, such as hydrogen or deuterium, into the reaction chamber as a plurality of particle beams converging at the common focal region. When the high-energy particle beams converge at the common focal region, the resulting plasma ball is sufficiently dense and hot that a thermonuclear fusion reaction is instigated and thereafter sustained by the energy release accompanying the fusion reactions. Optionally, laser beams or other input energy devices may also be oriented around and toward the common focal region to direct high-energy laser beams at the plasma ball to assist with instigation of the fusion reaction. | 2013-03-07 |
20130058447 | NUCLEAR REACTOR POWER MONITOR - Provide a nuclear reactor power monitoring technology for enhancing the monitoring accuracy and reliability in nuclear thermal hydraulic stability. | 2013-03-07 |
20130058448 | VIBRO-ACOUSTIC SENSORS FOR MATERIALS CHARACTERIZATION AND RELATED METHODS AND SYSTEMS - A method for monitoring components in a nuclear reactor is provided along with related systems and component. In one embodiment, a system is provided that includes a first transducer mechanism disposed within a nuclear reactor, the first transducer being configured to emit a first wireless signal to an identified component of the nuclear reactor. A second transducer mechanism is configured to detect a response signal that is emitted by the identified component in response to the first wireless signal. In one particular embodiment, the first transducer mechanism may include one or more confocal transducers. The confocal transducer may include two or more electrodes configured to emit their respective beams coaxially with focal points that are coincidental. The system may be configured to determine a characteristic of a component being monitored. In one particular embodiment, the component may include a fuel rod. | 2013-03-07 |
20130058449 | FUEL ASSEMBLY, A GUIDE THIMBLE DEVICE AND USE OF THE GUIDE THIMBLE DEVICE - The invention refers to a fuel assembly comprising a lower end structure, an upper end structure including a top nozzle ( | 2013-03-07 |
20130058450 | METHOD AND APPARATUS FOR ADAPTIVE SCATTER CORRECTION - A CT system includes a rotatable gantry having an opening to receive an object to be scanned, an x-ray source configured to project an x-ray beam toward the object having a primary intensity, a detector configured to detect high frequency electromagnetic energy passing through the object and output imaging data, and a data acquisition system (DAS) connected to the detector and configured to receive the imaging data. The system also includes a computer programmed to obtain image projection data of the object from the DAS, correct the projection data using a scatter function that is based at least on a known characteristic of the x-ray beam, and generate images using the corrected projection data. | 2013-03-07 |
20130058451 | METHOD OF DOSE REDUCTION FOR CT IMAGING AND APPARATUS FOR IMPLEMENTING SAME - A CT system includes an x-ray source configured to project an x-ray beam toward an object, a detector array, and a bowtie filter. The bowtie filter includes a first x-ray filtration region positioned to attenuate x-rays that pass through an isochannel of the detector array, a second x-ray filtration region positioned to attenuate x-rays that pass through channels of the detector array that are offcenter in a channel direction from the isochannel, and an x-ray attenuation material positionable to attenuate the x-rays that pass through the channels of the detector array that are offcenter in the channel direction from the isochannel. The CT system also includes a data acquisition system (DAS) connected to the detector array and configured to receive outputs from the detector array, and a computer programmed to acquire projections of imaging data of the object, and generate an image of the object using the imaging data. | 2013-03-07 |
20130058452 | CT DETECTOR INCLUDING MULTI-LAYER FLUORESCENT TAPE SCINTILLATOR WITH SWITCHABLE SPECTRAL SENSITIVITY - A scintillator element ( | 2013-03-07 |
20130058453 | RADIOGRAPHY SYSTEM AND RADIATION SOURCE CONTROLLER - A source controller unit for controlling an x-ray source is provided with a detection signal interface for receiving detection signals from detective pixels of an electronic cassette or an integrated value of the detection signals only, or an interface for receiving a radiation stopping signal only. The source controller unit receives other radiation signals than the radiation stopping signal, such as a radiation admitting signal, through a radiation signal interface. The source controller unit uses the detection signals, the integrated value thereof, or the radiation stopping signal as exposure control signals for stopping radiation from the x-ray source. Since the exposure control signals are received on the specific interface therefor, the source controller unit does not need signal sorting operation nor receive different kinds of signals at the same time, improving the speed of radiation stopping procedure. | 2013-03-07 |
20130058454 | RADIOGRAPHIC SYSTEM, AUTOMATIC EXPOSURE CONTROL METHOD OF RADIOGRAPHIC SYSTEM, AND RADIOLOGICAL IMAGE DETECTOR - When an AEC sensor is changed, the same AEC as before changing the AEC sensor is carried out without modifying an existing apparatus. A storage and search unit of a console acquires a source ID and searches for and extracts position information of a detection field of an old AEC sensor corresponding to the acquired source ID from source information of a storage device. An electronic cassette includes plural detection pixels as a new AEC sensor short-circuited to signal lines without passing through TFTs in the same imaging plane as pixels. A detection field selecting circuit of an AEC unit of the electronic cassette selects a detection signal from the detection pixel existing at the position of the detection field of the old AEC sensor among the detection signals of the plural detection pixels. | 2013-03-07 |
20130058455 | RADIOGRAPHING SYSTEM, METHOD OF CONTROLLING AUTOMATIC EXPOSURE IN RADIOGRAPHING SYSTEM, AND RADIOLOGICAL IMAGE DETECTION DEVICE - A compensation circuit | 2013-03-07 |
20130058456 | RADIOGRAPHING SYSTEM, METHOD OF CONTROLLING AUTOMATIC EXPOSURE IN RADIOGRAPHING SYSTEM, AND RADIOLOGICAL IMAGE DETECTION DEVICE - A comparison circuit | 2013-03-07 |
20130058457 | RADIOGRAPHIC SYSTEM, AUTOMATIC EXPOSURE CONTROL METHOD OF RADIOGRAPHIC SYSTEM, AND RADIOLOGICAL IMAGE DETECTOR - A storage and search unit of a console acquires a source ID of an X-ray source and searches for and extracts a type corresponding to the acquired source ID from source information of a storage device. In the case of an installation convenience preference type in which convenience in connection between a source controller and an electronic cassette is preferred, a detection signal from a detection pixel of an FPD of the electronic cassette is output from a detection signal I/F of the electronic cassette to a detection signal I/F of the source controller. In the case of an installation convenience non-preference type, an irradiation stop signal based on the comparison result of the integrated value of the detection signal from the detection pixel with an irradiation-stop threshold is output from an irradiation signal I/F of the electronic cassette to an irradiation signal I/F of the source controller. | 2013-03-07 |
20130058458 | RADIOGRAPHIC IMAGING DEVICE AND DETECTOR FOR A RADIOGRAPHIC IMAGING DEVICE - An X-ray detecting apparatus for the detection and localisation of ionising X-ray or gamma radiation in radiography, the apparatus comprising: an X-ray detector including: conversion means for converting incident x-ray photons of an incident x-ray photon beam into detectable electrical charges; and amplification means for amplifying the electrical charges in the detector by an non-linear amplification gain factor the non-linear amplification gain being characterised by a decrease in amplification gain at high fluxes of incident x-ray photons; and amplification gain adjustment means configured to vary the amplification gain of the amplification means according to the emission parameters of an x-ray source providing the incident x-ray photon beam for the radio-graphic examination to be performed and/or the transmitted beam received by the detector from the x-ray source via the subject being imaged. A radiographic imaging device and a method of operating the radiographic imaging device are also presented. | 2013-03-07 |
20130058459 | IMAGING APPARATUS AND METHOD - An imaging apparatus has an emission device to emit X-rays and a detection device to detect X-rays. A detector collimator is located between the patient space and the detection device. The emission device and detection device operate while translating along a displacement axis, to take a plurality of acquisitions. The imaging apparatus has a setting device to modify a dimension of a collimator slit. | 2013-03-07 |
20130058460 | METHOD OF GENERATING AND/OR PROVIDING DATA FOR TISSUE TREATMENT - A method of generating and/or providing data ( | 2013-03-07 |
20130058461 | X-RAY WAVEGUIDE - An X-ray waveguide showing a small propagation loss and having a waveguide mode with its phase controlled is provided. The X-ray waveguide including: a core for guiding an X-ray in a wavelength band that a real part of the refractive index of a material is 1 or less; and a cladding for confining the X-ray in the core, in which: the X-ray is confined in the core by total reflection at a interface between the core and the cladding; in the core multiple materials having different real parts of the refractive index are periodically arranged; and a waveguide mode of the X-ray waveguide is such that the number of antinodes or nodes of an electric field intensity distribution or a magnetic field intensity distribution of the X-ray coincides with the number of periods of the periodic structure in a direction perpendicular to a waveguiding direction of the X-ray in the core. | 2013-03-07 |
20130058462 | INDEPENDENTLY ROTATABLE DETECTOR PLATE FOR MEDICAL IMAGING DEVICE - A real-time fluoroscopic imaging system includes a collimator and a detector which are rotationally movable independent of the support assembly, e.g., c-arm, to which they are mounted. Rotational movement of the collimator and the detector are coordinated such that the orientation of the detector with respect to the collimator does not change. The collimator may include a geared flange member to facilitate rotation, and may be a single molded piece formed of a plastic such as tungsten polymer material. The system may also include a plurality of interchangeable collimators characterized by different shapes. A display is provided to present an image to an operator, and image orientation logic displays a target anatomy in a selected orientation regardless of orientation of the target anatomy relative to the detector, and regardless of rotation of the detector. | 2013-03-07 |
20130058463 | TELECOMMUNICATION DIAGNOSTIC INFORMATION MANAGEMENT - A diagnostic tool is adapted to include the capability of initiating one or more diagnostic tests, collecting the raw data from the diagnostic test(s) and transporting the raw diagnostic data to an OSS. The OSS interprets the raw diagnostic data and stores the results in a database. The stored results can be searched, sorted, manipulated, analyzed, and the like. The results of any of these operations can then be, for example, displayed to one or more entities such as customer support, network operators, network planners, or the like. | 2013-03-07 |
20130058464 | DETECTION OF DOUBLE TALK IN TELECOMMUNICATIONS NETWORKS - In one embodiment, the presence of double talk (DT) is detected in a telecommunications network having a near-end user and a far-end user. The energies of both (1) a signal received from the far-end user by the near-end user and (2) a signal to be communicated from the near-end user to the far-end user are computed. An echo return loss (ERL) estimate is calculated based on the energy calculations, and a preliminary decision is made as to whether DT is present based on the ERL estimate and the energy calculations. If DT is detected, then a counter is set to a hangover value. If DT is not detected, then the counter is reduced. This process is repeated, and, for each iteration, a final decision as to whether DT is present is made based on the counter value. | 2013-03-07 |
20130058465 | Automatic Call Flow System and Related Methods - Systems and methods are provided for obtaining statistics from the use of a voice application. More particularly, the invention may comprise an interception engine that is configured to receive a document from an IVR application server and inject a marker(s) into the document, and pass the document on to an IVR browser. The interception engine is further configured to receive a response document from the IVR browser, remove the marker results, and pass the document on to the IVR application server. The marker results are used to create statistical information useful in the analysis of the operation of the voice application in the IVR system. In an exemplary embodiment, the markers are used in connection with a map of the call flow of the voice application. | 2013-03-07 |
20130058466 | System and Method for Processing Speech - Systems and methods for processing audio are provided. The system may include a processor to convert an audio input received via a call to text. The processor may perform a comparison between a portion of the text to one or more phrases included in a table. The processor may also make a selection of at least one of a first object or a first action based on the comparison. The processor may further route the call based on the at least one of the first object or the first action | 2013-03-07 |
20130058467 | INTEGRATED PRIVATE BRANCH EXCHANGE AND DEVICE CONTROL SYSTEM - In one embodiment, a state center operates as a repository and exchange point for telephony state information that would not typically be accessible from an Internet Protocol private branch exchange (IP PBX), and control state information that would not typically be accessible from a programmable multimedia controller. In such manner, the state center enables telephony responsive audio/video (A/V) and home automation device control, and A/V and home automation device responsive telephony control. | 2013-03-07 |
20130058468 | SYSTEM AND METHOD FOR PROVIDING CONNECTIVITY BETWEEN TWO DIFFERENT NETWORKS USING DIFFERENT PROTOCOLS - A system and method for providing message connectivity between a first network using a first protocol and a second network using a second protocol is described. If a message is received from the first network, the message is processed using one or more digital signal processors, a destination in the second network is determined, the processed message is logged and translated into the second protocol, and the translated message is sent to the destination in the second network. If the message is received from the second network, the message is translated into the first protocol, a destination in the first network is determined, the translated message is logged and processed using one or more digital signal processors, and the processed message is sent to the destination in the first network. One example method can be implemented as a computer program embodied on a computer readable medium. | 2013-03-07 |
20130058469 | PERSONAL ALLOWED NUMBER SYSTEM - A system and method for preventing or facilitating communications between individuals who reside in detention environments (such as e.g., prisons or correctional facilities) and individuals who are not in such detention environments using an automated authentication or verification. | 2013-03-07 |
20130058470 | Computational systems and methods for identifying a communications partner - Methods, apparatuses, computer program products, devices and systems are described that carry out accepting at least one telephone communication from at least one member of a network; disambiguating the at least one search term including associating the at least one search term with at least one of network-participation identifier data or device-identifier data; and presenting the sender profile in association with the at least one telephone communication. | 2013-03-07 |
20130058471 | CONFERENCED VOICE TO TEXT TRANSCRIPTION - Presented are systems and methods for creating a transcription of a conference call. The system joins an audio conference call with a device associated with a participant, of a plurality of participants joined to the conference through one or more associated devices. The system them creates a speech audio file corresponding to a portion of the participant's speech during the conference and converting contemporaneously, at the device, the speech audio file to a local partial transcript. The system then acquires a plurality of partial transcripts from at least one of the associated devices, so that the device can provide a complete transcript. | 2013-03-07 |
20130058472 | Digital Network-Based Telephone Systems and Functionality - A conferencing bridge includes a computerized appliance, a non-transitory physical memory medium coupled to the computerized appliance, software executing on the computerized appliance from the non-transitory physical medium, and telephone numbers for a plurality of persons associated with identification for the persons. A user configures a conference by entering and storing a time and date for the conference and identification of one or more desired participants, and at the time and date configured the conference bridge dials out to the one or more participants, and the participants who answer are joined in the conference. | 2013-03-07 |
20130058473 | Digital Network-Based Telephone Systems and Functionality - A conferencing system includes one or more computerized servers connected to a network, software executing on the one or more servers providing an interface allowing a caller to invoke specific functions by spoken or keyed input, including at least enabling a caller using a telephony device to initiate and configure a new conference by input of a pre-assigned code. Configuration allows the initiator to select participants from personal profile information stored in a data repository accessible to the server, and wherein resources for the conference are allocated at the time of configuration, and are not available to other purpose until released by the initiator. | 2013-03-07 |
20130058474 | ENHANCED SERVICES PROVIDED USING COMMUNICATION REDIRECTION AND PROCESSING - Processing a communication is disclosed. A first request to establish communication is received at a redirection node from a requesting communication participant. A destination communication participant associated with the request is determined. A communication session in which the requesting communication participant, the redirection node, and the destination communication participant are participants at the same time is established, including sending from the redirection node to an equipment associated with the destination communication participant a second request to establish communication between the redirection node and the equipment associated with the destination communication participant. A communication session processing feature not provided with respect to the communication session by a telecommunication service provider associated with a service provider network used to establish and provide the communication session is made available to at least one of the requesting communication participant and the destination communication participant. | 2013-03-07 |
20130058475 | SYSTEM AND METHOD FOR PROVIDING SERVICE BY A FIRST AGENT WHILE WAITING FOR A SECOND AGENT - System and method for servicing a contact by a first agent while searching for a second agent to service the contact is provided. At least one agent attribute is used to produce a set of agent attribute values, and at least one contact attribute is used to produce a set of contact attribute values; relating agent attribute values to contact attribute values in order to search for at least one available first agent having at least a first predetermined level of matching attributes; delivering the contact to the first agent; relating agent attribute values to contact attribute values in order to search for at least one second agent having at least a second predetermined level of matching attributes, wherein the second predetermined level is greater than the first predetermined level; waiting until the second agent is available; and replacing the first agent with the second agent to service the contact. | 2013-03-07 |
20130058476 | PROCESSING METHOD AND DEVICE FOR TIMEOUT OF QUEUING REQUEST - A certain embodiment of the invention discloses a processing method and device for timeout of a queuing request. The method comprises the steps of: after a first queuing request in a waiting queue is timeout, setting the first queuing request to be in a queuing-paused state, and prompting a timeout (S | 2013-03-07 |
20130058477 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM - An information processing device includes a data processing unit executing decryption and playing processing of an encrypted content, with the data processing unit executing content playback propriety determination processing by applying an encrypted content signature file set in response to a content to be played; with the encrypted content signature file including a content hash list group including a hash value, and signature data for data generated from a content encryption key and the content hash list group; and with the data processing unit executing, with the content playback propriety determination processing, hash value matching processing between a hash value calculated from a content to be played, and a hash value for matching included in the content hash list group, and signature data verification processing to which the signature has been applied to perform decryption and playing processing of the encrypted content with success of both processes as a condition. | 2013-03-07 |
20130058478 | VIRTUALIZATION OF CRYPTOGRAPHIC KEYS - A cryptographic key is virtualized to provide a virtual cryptographic key. To virtualize the key, an operation, such as an exclusive OR operation, is used with the key and a mask. The virtual key is usable by a guest of a virtual environment in cryptographic operations. | 2013-03-07 |
20130058479 | HIERARCHICAL GROUP KEY MANAGEMENT APPROACH BASED ON LINEAR GEOMETRY - A hierarchical group key management approach based on linear geometry is disclosed. The approach includes the following steps: step 1, the central controller selects a finite field F, a mapping parameter f and a constant N for use in the group; the central controller selects a N-dimensional private vector for each subgroup; step 2, the central controller selects a mapping parameter r and maps the private vector to a new set of vectors in the vector space; step 3, the central controller selects a subgroup key for each subgroup and constructs n linear systems of equations, and solves the solution of the linear equation systems, that is, the public vector, and the n sets of public vectors form a public vector; the public vector and the mapping parameter r are broadcasted or multicasted by the central controller to all the subgroup controllers; step 4, each subgroup controller solves the confidential vector of its own, and a set of key vectors is obtained by linear transformation of the confidential vector and the public matrix. This invention is simple and flexible, and is effective against brute-force attacks. | 2013-03-07 |
20130058480 | SYSTEMS AND METHODS FOR SAVING ENCODED MEDIA STREAMED USING ADAPTIVE BITRATE STREAMING - Systems and methods for saving encoded media streamed using adaptive bitrate streaming in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a playback device configured to perform adaptive bitrate streaming of media includes a video decoder application and a processor, where the video decoder application configures the processor to select a download stream from a set of alternative streams of video data, measure streaming conditions and request a stream of video data from the alternative streams of video data, receive portions of video data from the requested stream of video data, decode the received video data, save the received video data to memory, when the received video data is from the download stream and separately download and save the corresponding portion of video data from the download stream to memory, when the received video data is not from the download stream. | 2013-03-07 |
20130058481 | FUZZY PROTECTION OF VISUAL CONTENT - A method and system for scrambling visual information are, described. An image, preferably in an incompressed format, is divided into a number of patterns having a different aspect ratio. Each pattern is mapped on a matrix i.e positioned on X and Y-axis. The patterns are then arranged in a different and new shape for e.g. a rectangle, preferably, fitting the size of manoblocks in a MPEG video, to that of the original shape of the image but having the same number of patterns or same area. The patterns of pixels are then relocated in the new shape and a matrix is again mapped for the new arrangement of patterns. A key is then generated comprising the information of the encrypted and earlier image. The player decrypts the encrypted visual content or image by means of the information provided by the key. | 2013-03-07 |
20130058482 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - According to at least one embodiment, an information processing apparatus includes: a content acquiring module configured to receive or store a content according to a first copyright protection method; a filter configured to acquire PIDs from first packets of the content; an analyzing module configured to acquire a PAT/PMT from each of the PIDs; a generating module configured to generate a PMT based on the PAT/PMT according to a second copyright protection method; encrypters configured to encrypt PES payloads by managing independent sets of an encryption key and an initial vector for the respective PIDs; and a packet generating module configured to generate second packets based on encryption results. | 2013-03-07 |