05th week of 2010 patent applcation highlights part 37 |
Patent application number | Title | Published |
20100027692 | METHOD AND SYSTEM FOR A REFERENCE SYMBOL (RS) FREQUENCY CONTROL LOOP FOR TXCO SYNCHRONIZATION AND TRACKING - Aspects of a method and system for an RS frequency control loop for TXCO synchronization and tracking may include tracking a carrier frequency in an Orthogonal Frequency Division Multiplexing (OFDM) signal based on at least a reference symbol set. A receiver frequency may be adjusted based on at least the tracked carrier frequency. The carrier frequency may be tracked by generating an output signal as a function of a frequency offset Δf in a frequency discrimination feedback loop. The reference symbol (RS) set may be generated in an RS extraction module or circuit, from at least a fast Fourier transform of the received OFDM signal. The receiver frequency may be coarsely adjusted and then finely adjusted. The coarse receiver frequency adjustment may be based on processing at least a primary synchronization signal and a secondary synchronization signal. | 2010-02-04 |
20100027693 | Stream Weight Estimation and Compensation in SIMO/MIMO OFDM Receivers - A process for equalizing streams of OFDM subcarrier data computes the noise variance for each stream, and forms a stream weighting coefficient by equalizing the noise variance, such that for a first stream having a noise variance σ | 2010-02-04 |
20100027694 | WIRELESS TELECOMMUNICATONS NETWORK - A femtocell including a transceiver and a processor coupled to the transceiver for implementing transmission and reception in a wireless communication network utilizing OFDM/OFDMA, and the processor including modules for collecting information about neighboring base stations and femtocells and utilizing the collected information to select the femtocell's own radio parameters, and a method for radio resource allocation in a wireless communication network implementing OFDM/OFDMA, the method including performing preamble synchronization by a sniffing femtocell on a neighboring femtocell, and determining radio resource parameters of the neighboring femtocell based on the synchronized preamble. | 2010-02-04 |
20100027695 | METHOD FOR TRANSMITTING CONTROL INFORMATION TO INSTRUCT RECEIVER - A method for transmitting control information to indicate a receiver, comprising following steps: the control information is formed at transmitting side and is encoded based on the working status of the transmitting side of the system; after the encoded control information is mapped, it is multiplexed with other pilot symbol and service load, then an OFDM symbol is generated; the OFDM symbol is transformed from frequency domain to time domain, then a time domain sampling signal is obtained and transmitted to the receiving side of the system; at the receiving side, the time domain sampling signal transmitted by the transmitting side is received and transformed from time domain to frequency domain to form OFDM symbol; the control information is obtained from the valid sub carrier of the OFDM symbol, and the control information is decoded; each work information is extracted form the decoded control information, and the receiving terminal is indicated to execute respective receive process based on the extracted work information. The method can ensure the receiving terminal to receive data based on its own expectation, then reduces the work power consumption of the receiving terminal, and saves the run cost of the digital broadcast system. | 2010-02-04 |
20100027696 | METHOD OF DATA TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting data in a wireless communication system is provided. The method includes encoding one or more input data according to a specific coding rate and modulating the input data according to a specific modulation scheme, applying virtual antenna signaling to the one or more encoded and modulated input data based on a specific spatial multiplexing rate, and performing spatial processing on the input data, to which the virtual antenna signaling has been applied, and then transmitting the input data to a receiving end. | 2010-02-04 |
20100027697 | MIMO TRANSMISSION WITH LAYER PERMUTATION IN A WIRELESS COMMUNICATION SYSTEM - Techniques for supporting MIMO transmission with layer permutation are described. In one aspect, multiple codewords may be generated for transmission from multiple antennas (e.g., virtual antennas), with the number of codewords being less than the number of antennas. Each codeword may be mapped across the multiple antennas. Two codewords may be generated. For rank 3, the first codeword may be mapped to one layer (or one antenna on each subcarrier), and the second codeword may be mapped to two layers (or two antennas on each subcarrier). For rank 4, each codeword may be mapped to two layers. In another aspect, a base CQI indicative of an average signal quality may be determined. A delta CQI indicative of improvement over the average signal quality may also be determined. In yet another aspect, selection may be performed with different penalty factors for different ranks or number of codewords. | 2010-02-04 |
20100027698 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL IN OFDM/OFDMA BASED WIRELESS COMMUNICATION SYSTEM - A channel estimation apparatus of the present invention includes a preamble channel operation unit for carrying out an operation on pilot channel estimation values of pilots, which are transmitted from a transmitting antenna that transmits a preamble, as an improved pilot channel estimation value by employing a preamble channel estimation value based on a preamble included in received signals respectively received by a plurality of receiving antennas, a first channel estimation unit for estimating a channel for each of the receiving antennas through interpolation of a symbol axis and a frequency axis employing the improved pilot channel estimation value, and a second channel estimation unit for estimating a channel for each of the receiving antennas through interpolation of a symbol axis and a frequency axis employing pilot channel estimation values of pilots transmitted from the same transmitting antenna, of pilots transmitted from a transmitting antenna that does not transmit the preamble, of a plurality of transmitting antennas. | 2010-02-04 |
20100027699 | COMMUNICATION SYSTEM, TRANSMISSION APPARATUS, AND RECEIVING APPARATUS - A transmission apparatus for performing an orthogonal frequency division multiplexing (OFDM) transmission generates an OFDM symbol in which a modulation parameter used at a time of transmitting data is arranged in a subcarrier of a direct current component and transmits a transmission frame including the generated OFDM symbol. A receiving apparatus calculates an average value in an effective symbol period within the OFDM symbol included in the transmission frame received, extracts the modulation parameter arranged in the subcarrier of the direct current component based on the calculated average value, and performs OFDM demodulation processing using the extracted modulation parameter. | 2010-02-04 |
20100027700 | Communication System, Base Station, Terminal and Communication Method of OFDM System - Provided are a communication system, a base station, a terminal and a communication method of an OFDM system, using an adaptive array, which are capable of alleviating signal quality deterioration by reducing the probability of instant peak power raises. The communication system includes a data producing means 11 for acquiring communication network side data and a user assignment band in a predetermined format, encoding the data, and performing mapping for the user assignment band, null symbol inserting means | 2010-02-04 |
20100027701 | TRANSMITTING/RECEIVING SYSTEM AND METHOD OF PROCESSING BROADCAST SIGNAL IN TRANSMITTING/RECEIVING SYSTEM - A receiving system and a method of processing broadcast signal are disclosed herein. The receiving system includes a signal receiving unit, an equalizer, an inner decoder, a reliability adjustor, and an outer decoder. The signal receiving unit receives a broadcast signal and demodulates the received broadcast signal, wherein the broadcast signal comprises a data group including mobile service data and multiple known data sequences. The equalizer uses the known data sequences to channel-equalize data group included in the demodulated broadcast signal. The inner decoder matches mobile service data within the data group, which are inputted in a block-size for turbo-decoding, with mobile service data being symbol-decoded and fed-back, thereby performing trellis-decoding. The reliability adjustor adjusts a reliability level of the mobile service data based upon positions within the data group of the trellis-decoded mobile service data. The outer decoder performs symbol-decoding on the mobile service data outputted from the reliability adjustor. | 2010-02-04 |
20100027702 | Stream Weight Estimation and Compensation in SIMO/MIMO OFDM Receivers - A process for equalizing streams of OFDM subcarrier data computes the noise variance for each stream, and forms a stream weighting coefficient by equalizing the noise variance, such that for a first stream having a noise variance σ | 2010-02-04 |
20100027703 | MULTIPLE-INPUT MULTIPLE-OUTPUT DETECTOR AND DETECTION METHOD USING THE SAME - A multiple-input multiple-output detector and a detection method using the same are provided. The detection method includes following steps. First, a plurality of candidate results is provided by a plurality of detectors. Next, a channel condition and a detected criterion are provided. Finally, one of the candidate results is selected to serve as a detected result according to the channel condition and the selection criterion. | 2010-02-04 |
20100027704 | Method and Apparatus for Data Transmission Based on Signal Priority and Channel Reliability - Various methods for data transmission based on signal priority and channel reliability are provided. One example method includes encoding a number of bits into coded bits including systematic bits and respective associated parity bits, the bits being encoded for transmission via channels of a multi-channel communications system including a more reliable channel and a less reliable channel. The example method also includes allocating the systematic bits to bit locations within a first stream corresponding to the more reliable channel, allocating the systematic bits to bit locations having a higher signal priority within a second stream corresponding to the less reliable channel, and allocating the parity bits to bit locations within the second stream. Similar and related example methods and apparatuses for allocating the systematic and parity bits to the respective bit locations in both the more and less reliable channels are also provided. | 2010-02-04 |
20100027705 | Method and device for calculating zero-croccing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal - A method for calculating zero-crossing reference sequences ({t | 2010-02-04 |
20100027706 | SIGNAL TRANSMISSION SYSTEM - A signal transmitter apparatus generates three phase-shifted signals by shifting three transmission signals by predetermined phase shift amounts so that the phase shift amounts of the transmission signals are different from each other by 120 degrees. The signal transmitter apparatus generates three combined transmission signals and outputs the three combined transmission signals to the three transmission conductors, respectively, by combining each of pairs of the phase-shifted signals such that an inverted signal of a first phase-shifted signal is combined with a second phase-shifted signal, when each of the pairs of the phase-shifted signals includes the first and second phase-shifted signals among the three phase-shifted signals and phase shift amounts of the first and second phase-shifted signals are different from each other by 120 degrees. The signal receiver apparatus generates three receiving signals based on received three combined transmission signals, and detects the decoded signals of the transmission signals based on the receiving signals. | 2010-02-04 |
20100027707 | Transmitting Apparatus, Signal Processing Method and Communication System - A transmitting apparatus is provided which includes a signal processing unit to perform signal processing of transmission data and an antenna to transmit transmission data processed by the signal processing unit, and the signal processing unit includes a digital filter to extract a signal component in a given frequency band and correct an aperture effect occurring during the signal processing. | 2010-02-04 |
20100027708 | INFORMATION PROCESSING DEVICE AND SIGNAL PROCESSING METHOD - An information processing device is provided that includes a signal receiving portion, an absolute value conversion portion, and an input data decoding portion. The signal receiving portion receives a signal that is encoded such that mutually distinct first and second bit values are respectively expressed by pluralities of mutually distinct first amplitude values and second amplitude values, the first and second bit values also being encoded such that the same amplitude value does not occur twice in succession and such that the polarities of the amplitude values are inverted with each cycle. The absolute value conversion portion converts into absolute values the amplitude values of the signal that has been received by the signal receiving portion. The input data decoding portion decodes the first and second bit values based on the amplitude values in the signal that have been converted into absolute values by the absolute value conversion portion. | 2010-02-04 |
20100027709 | Method And System For Slicing A Communication Signal - A slicer can receive a communication signal having a level or amplitude that is between two discrete levels of a multilevel digital communication scheme. The slicer can compare the communication signal to a plurality of references such that multiple comparisons proceed essentially in parallel. A summation node can add the results of the comparisons to provide an output signal set to one of the discrete levels. The slicer can process the communication signal and provide the output signal on a symbol-by-symbol basis. A decision feedback equalizer (“DFE”) can comprise the slicer. A feedback circuit of the DFE can delay and scale the output signal and apply the delayed and scaled signal to the communication signal to reduce intersymbol interference (“ISI”). | 2010-02-04 |
20100027710 | INFORMATION PROCESSING DEVICE AND BIDIRECTIONAL TRANSMISSION METHOD - In a provided information processing device, a first information processing module, within its transmission time segment, transmits an encoded signal in which mutually distinct first and second bit values are respectively expressed by pluralities of mutually distinct first amplitude values and second amplitude values, the same amplitude value not occurring consecutively and the amplitude value polarity being inverted with each cycle. Within a transmission time segment for a second information processing module, the first information processing module transmits a clock signal that corresponds to the cycle at which the polarity is inverted. The second information processing module extracts the clock signal by detecting the polarity inversions in the encoded signal, decodes the first and second bit values from the encoded signal using the clock signal, generates a transmission signal by controlling the amplitude values of the clock signal, and transmits the transmission signal in synchronization with the clock signal. | 2010-02-04 |
20100027711 | DIGITAL LINEAR TRANSMITTER ARCHITECTURE - A digital linear transmitter for digital to analog conversion of a radio frequency signal. The transmitter includes a delta sigma (ΔΣ) digital to analog converter (DAC) and a weighted signal digital to analog converter in the transmit path of a wireless device to reduce reliance on relatively large analog components. The ΔΣ DAC converts the lowest significant bits of the oversampled signal while the weighted signal digital to analog converter converts the highest significant bits of the oversampled signal. The transmitter core includes components for providing an oversampled modulated digital signal which is then subjected to first order filtering of the oversampled signal prior to generating a corresponding analog signal. The apparatus and method reduces analog components and increases digital components in transmitter core architecture of wireless RF devices. | 2010-02-04 |
20100027712 | EQUALIZING TRANSMITTER AND METHOD OF OPERATION - A transmitter for providing channel equalization that includes a first driver and second driver having a high pass filter. The first driver generates a first output signal representing a digital input signal. The second driver generates a second output signal representing a high pass filtered version of the digital input signal. The first and second output signals are summed to provide a third output signal that is channel equalized for transmission over a channel. | 2010-02-04 |
20100027713 | METHOD AND APPARATUS FOR SELECTING PRE-CODING VECTORS - To optimize the selection of pre-coding vectors in a multi-user MIMO system, the present invention provides a method for selecting pre-coding vectors in a base station, comprising the steps of: transmitting a plurality of pilot signals without being precoded to the plurality of terminals; receiving a plurality of feedback signals from the plurality of terminals, wherein at least one feedback signal includes a plurality of recommended pre-coding vector information and a plurality of channel status information, and each of the channel status information corresponds to a recommended pre-coding vector information; generate a pre-coding codebook based on the plurality feedback signals, wherein at least one pre-coding vector in the pre-coding codebook is determined based on a correlation coefficient between at least two recommended pre-coding vectors; and performing a transmission operation using the pre-coding codebook. Through considering the correlation among pre-coding vectors and different channel status information corresponding to different pre-coding vectors, be used to extend the selection range of pre-coding vectors and improve the total transmission rate of the whole system and system capacity. | 2010-02-04 |
20100027714 | System and method for power saving coding in integer cycle or impulse type modulation transmissions - A system and method for substantially reducing average transmit power by omitting the transmission of a majority of pulses by using a modified run length coding to reduce signal power. By lowering the average power, an opportunity is presented to either decrease the total power drawn by the transmitter (battery life) or raise the peak power of all symbols (Eb/No), thereby increasing range of a RF transmission system. | 2010-02-04 |
20100027715 | DETERMINING SCAN STRATEGY FOR DIGITAL CARD - A method is provided for determining a scan strategy to receive data for a digital unit associated with an electronic support measure receiver. The receiver scans a surrounding environment to detect and receive emitted signals while utilizing the digital unit to improve emitter identification. The digital unit is provided with the data according to requirements of digital signal processing algorithms implemented by the unit. | 2010-02-04 |
20100027716 | AUTONOMOUS CONTROL UNIT AND RECEIVER USING THE SAME - An autonomous control unit includes an input stage register section, a computation section, and an output stage register section. The input stage register section includes plural input stage registers, and acquires, at a first timing, data indicating a given reception status of an incoming signal. The computation section performs comparison computation with respect to the data acquired by the input stage register section, performs logic processing of a set number of cycles of sequential control on the comparison computation result, and derives a logic processing result. The output stage register section includes at least one output stage register, and outputs a control value from the logic processing result at a second timing. | 2010-02-04 |
20100027717 | Equalization of OFDM Signals Based on Time and Then Frequency Interpolation - Two dimensional interpolation techniques are used to compensate for time-varying channel gain H in an OFDM system. The channel gain can be reasonably estimated at various times and at various frequencies due, for example, to the use of pilot tones. These channel estimates are used to estimate the channel gain at other times and/or frequencies by two-dimensional interpolation, interpolating first with respect to time (e.g., with respect to a symbol index s) and then with respect to frequency (e.g., with respect to a sub-carrier index c). | 2010-02-04 |
20100027718 | Preamble detection in a Multi-Antenna MIMO 802.16e Receiver - A preamble detector for a plurality of streams of baseband digitized signals has a plurality of preamble processors, each preamble processor coupled to an input and generating an output. Each preamble processor has an input coupled to a first delay, the output of the first delay coupled to a second delay generating an output. The first and second delay are substantially equal to a preamble part. A first multiplier generates an output from a conjugated output of the second delay output and a first delay output. A second multiplier generates an output from a conjugated first delay output and an input stream. The first and second multiplier outputs are accumulated over an interval, and the complex output of the accumulator is formed into a magnitude, thereby generating the output of each preamble processor. The outputs of the preamble processors are summed and compared to a threshold to generate a preamble detect. | 2010-02-04 |
20100027719 | Systems and methods for fine alignment of analog and digital signal pathways - Methods and systems for temporally aligning audio samples of a digital portion of a radio broadcast signal with audio samples of an analog portion of the radio broadcast signal are disclosed. The methods and systems comprise the steps of receiving a radio broadcast signal having an analog portion and a digital portion; separating the analog portion of the radio broadcast signal from the digital portion of the radio broadcast signal; producing a first plurality of audio samples representative of the analog portion of the radio broadcast signal; retrieving from a memory a stored first time interval corresponding to an approximate time for data representing a first sample of the digital portion to travel through a digital signal path in a receiver, wherein the digital signal path includes a digital demodulator; measuring a second time for data representing the first sample of the digital portion to travel from an input of the digital signal path to an input of the digital demodulator; generating a delay amount for delaying a second plurality of audio samples relative to the first plurality of audio samples such that the second plurality of audio samples is temporally aligned with the first plurality of audio samples by adding the first time to the second time; producing the second plurality of audio samples representative of the digital portion of the radio broadcast signal; delaying the second plurality of audio samples by the delay amount such that the second plurality of audio samples is temporally aligned to within a predetermined amount with the first plurality of audio samples; and digitally combining the first plurality of audio samples with the second plurality of audio samples to produce a combined audio output. | 2010-02-04 |
20100027720 | CHANNEL ESTIMATING METHOD AND CHANNEL ESTIMATOR - There is provided a channel estimating method of performing frequency conversion by a first fast Fourier transformation on a reception signal and extracting a desired signal after demodulating the reception signal, and deriving electrical energy against time delay of a channel by inverse fast Fourier transformation of the extracted result, wherein: values of a low pass filter, having an output from oversampling the input to the first fast Fourier transformation, are thinned by a plurality of thinning circuits with the same synchronization and different discrete times, and based on the outputs of the plurality of thinning circuits, the electrical energy against time delay related to the reception signal arrival time position is derived by respectively performing the first fast Fourier transformation and the inverse fast Fourier transformation. | 2010-02-04 |
20100027721 | Method and System for Implementing a Multiple-Input Multiple-Output (MIMO) Decoder Scheme - The teachings of the present disclosure relate to a method for receiving “N” data streams (wherein “N” is a number greater than one) from “N” endpoints. Each of the data streams are received from a different respective endpoint. The method also includes decoding the “N” data streams by generating a decoding signal input comprising the “N” data streams and then iteratively repeating the following steps “N”−1 times: determine a most reliable stream; decode the most reliable stream using linear multiple-input and multiple-output (MIMO) decoding; output the decoded most reliable stream; estimate a signal estimate based on the most reliable stream and modulation information associated with the most reliable stream; and generate a residual signal that comprises the remaining data streams less the signal estimate. Upon the residual signal comprising two data streams, the method includes updating the decoding signal input to be the residual signal. Upon the residual signal comprising a single received stream, the method includes decoding the residual signal using a maximum likelihood decoder. | 2010-02-04 |
20100027722 | WIRED SIGNAL RECEIVING APPARATUS - A wired signal receiving apparatus including a signal receiver, a signal peak detector, and a signal comparator is disclosed. The signal receiver includes an operation current detecting circuit for detecting an operation current. The signal receiver further receives a transmission signal. The signal peak detector receives the operation current, detects a peak thereof, and generates a peak current. The signal comparator compares a reference signal and the peak current to generate an output current for regulating the operation current. | 2010-02-04 |
20100027723 | TIME SYNCHRONIZATION METHOD AND FREQUENCY OFFSET ESTIMATION METHOD USING THE SAME IN OFDM NETWORK - Provided are a time synchronization method and a frequency offset estimation method using the same in an OFDM system. The time synchronization method using a preamble transmitted from a transmitter to a receiver in the OFDM communication network includes the steps of: a) calculating a moving sum of a first sequence and a second sequence obtained by a product of neighboring elements in a received signal when the received signal containing a preamble is received from the transmitter; b) estimating a location of the received signal corresponding to the moving sum having a maximum value; and c) acquiring a time synchronization with respect to the received signal, based on the estimated location, wherein the first sequence is obtained from a product of neighboring elements in the preamble and a correlation value obtained by correlating another sequence with the first sequence is smaller than a predetermined value. | 2010-02-04 |
20100027724 | RECEIVER AND RECEIVING METHOD - Quick resumption of reproduction of received data is achieved with low cost. A receiver for receiving an OFDM signal has a demodulation unit and a transmission mode control unit. The demodulation unit performs, on a received signal, demodulation and detection of establishment of synchronization in accordance with a transmission mode that is a combination of an FFT mode and a guard interval, and outputs a synchronization establishment signal indicating an obtained result of the detection of establishment of synchronization. The transmission mode control unit holds an FFT mode and a guard interval adopted when the synchronization establishment signal indicates establishment of synchronization, and outputs a combination of the held FFT mode and the held guard interval as the transmission mode to be used in the demodulation unit. | 2010-02-04 |
20100027725 | NOISE-CANCELING FREQUENCY-TO-DIGITAL CONVERTERS - Methods and apparatuses for reducing noise in frequency to digital converters (FDCs). An FDC apparatus includes a first FDC, a second FDC and a combiner. The first and second FDCs are configured to independently sample an input signal according to a sample clock to generate first and second digital signals, each representing the instantaneous frequency of the input signal. The combiner is configured to form a resultant digital signal from the first and second digital signals. The first and second FDCs are designed and combined in the noise-canceling FDC apparatus so that the first and second signals they generate have correlated noise profiles in a frequency range of interest. When combined by the combiner to form the resultant digital signal, the resultant digital signal has a signal power to noise power ratio greater than the signal power to noise power ratios characterizing the first and second digital signals of the individual first and second FDCs. | 2010-02-04 |
20100027726 | MULTI-CARRIER RECEIVER WITH DYNAMIC POWER ADJUSTMENT AND METHOD FOR DYNAMICALLY ADJUSTING THE POWER CONSUMPTION OF A MULTI-CARRIER RECEIVER - A method for dynamically adjusting the power consumption of a multi-carrier receiver and a multi-carrier receiver with dynamically power adjustment. The method includes receiving a multi-carrier signal, wherein the multi-carrier signal comprises a plurality of sub-carriers. Channel characteristics of each sub-carrier are estimated according to the demodulated multi-carrier signal. ICI strength is estimated from the demodulated multi-carrier signal. A system performance is detected. The estimated ICI is subtracted when the ICI strength exceeds an ICI threshold and the system performance is less than a system performance threshold. The demodulated multi-carrier signal is then equalized is based on the estimated channel characteristics, and the system performance is updated according to the equalized multi-carrier signal. | 2010-02-04 |
20100027727 | Recovering symbols in a communication receiver - Methods of recovering symbols and corresponding communication receivers including dual receivers configured to perform the method, where the method comprises: sampling a received signal that includes interference to provide received samples; determining a plurality of high power symbols and determining alternate symbols for a portion of the plurality of high power symbols based on the received samples and based on known training symbols; and deriving a sequence of recovered symbols corresponding to the received samples based on the received samples and augmented training symbols, the augmented training symbols comprising the known training symbols augmented by the plurality of high power symbols with one or more alternate symbols replacing a corresponding one or more high power symbols. | 2010-02-04 |
20100027728 | INFORMATION PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL TRANSMISSION METHOD - An information processing device includes: a signal receiving portion that receives a signal in which input data that contains first and second bit values different from one another is encoded such that the first bit value is expressed by first amplitude values and the second bit value is expressed by second amplitude values different from the first amplitude values, and such that the same amplitude value does not occur twice in succession and the polarities of the amplitude values are inverted with each cycle; a clock signal extraction portion that extracts a clock signal by detecting polarity inversions in the received signal; a clock signal subtraction portion that subtracts the extracted clock signal from the received signal; and an input data decoding portion that decodes the input data by determining the first and second bit values based on an amplitude value of the signal obtained by subtracting the clock signal. | 2010-02-04 |
20100027729 | Fractional Interpolative Timing Advance and Retard Control in a Transceiver - Transmission of information between user equipment (UE) and base stations in a wireless network occurs using a stream of periodic data. A modem in the UE operates synchronized to a first clock source to produce the stream of periodic data at a chip rate. Transceiver circuitry is synchronized to a variable clock source to receive the stream of data from the first circuitry at a rate according to the variable clock source. A fixed phase relationship is maintained between the variable clock source and the first clock source while the data period is uniform by adjusting the variable clock in response to detected phase errors. Occasionally, one period of the periodic data is changed by a defined amount. The fixed phase relationship is restored over a number of periods in a gradual manner by changing the frequency of the variable clock by an amount. By restoring the phase relationship gradually, quality degradation of the transmitted signal is reduced. | 2010-02-04 |
20100027730 | DEVICE FOR TRANSFERRING NUCLEAR FUEL CANISTERS BETWEEN A TRANSPORT CONTAINER AND A STORAGE DEVICE - The present invention is principally a device for transferring a nuclear fuel canister between a container for transporting said canister and a device for storing said canister. The transfer device comprises a body and a slide of longitudinal axis, capable of sliding in said body along its longitudinal axis (Y), said slide comprising at least a first compartment (C | 2010-02-04 |
20100027731 | BWR START UP CORROSION PROTECTION - The oxidizing chemistry environment of BWR reactor water is a key factor promoting intergranular stress corrosion cracking of stainless steel and nickel based alloys used in reactor coolant system piping and vessel internals. This is typically mitigated during power operation with hydrogen injection. However, this method is only effective when the reactors are at power. Accordingly, this invention proposes a method of reducing electrochemical corrosion potential during the start-up phase of BWR reactors. The method includes the steps of providing a mitigation additive adapted to reduce electrochemical corrosion of a BWR reactor; and injecting the mitigation additive into the BWR reactor at a predetermined location prior to hydrogen injection coming online. | 2010-02-04 |
20100027732 | CONDUCTION COOLED NEUTRON ABSORBERS, APPARATUS AND METHODS FOR PRODUCING FAST FLUX NEUTRON FIELDS - A conduction cooled neutron absorber may include a metal matrix composite that comprises a metal having a thermal neutron cross-section of at least about 50 barns and a metal having a thermal conductivity of at least about 1 W/cm·K. Apparatus for providing a neutron flux having a high fast-to-thermal neutron ratio may include a source of neutrons that produces fast neutrons and thermal neutrons. A neutron absorber positioned adjacent the neutron source absorbs at least some of the thermal neutrons so that a region adjacent the neutron absorber has a fast-to-thermal neutron ratio of at least about 15. A coolant in thermal contact with the neutron absorber removes heat from the neutron absorber. | 2010-02-04 |
20100027733 | CHANNEL CONFINEMENT SYSTEM AND METHOD FOR DRY-STORAGE OF BWR FUEL BUNDLES - A nuclear reactor fuel bundle confinement system including: a fuel bundle with an upper tie plate; a channel enclosing the fuel bundle; a handle for the fuel bundle extending above the fuel bundle; an upper fuel particle barrier positioned over the upper tie plate and above the fuel rods, wherein the fuel particle barrier has a permeable panel at least co-extensive with an open area of the upper tie plate; a slot in the permeable panel through which passes the handle, and a closure device on the fuel particle barrier having a closed position which covers the slot and an open position that leaves the slot open; a lower fuel particle barrier positioned over the lower tie plate and below the fuel rods, wherein the lower portion of the fuel bundle assembly is grasped by the lower fuel particle barrier. | 2010-02-04 |
20100027734 | SPACER GRID FOR DUAL-COOLING NUCLEAR FUEL RODS USING INTERSECTIONAL SUPPORT STRUCTURES - A spacer grid for dual-cooling nuclear fuel rods arranged at a narrow interval. The spacer grid solves the problem in which, since the dual-cooling nuclear fuel rods are used to improve the cooling performance and stability of nuclear fuel and obtain high burnup and output, the outer diameter of each dual-cooling nuclear fuel rod is increased, and thus the gap between each dual-cooling nuclear fuel rod and the grid strap is decreased. The spacer grid includes first grid straps and second grid straps, which are crossed and arranged in transverse and longitudinal directions at regular intervals and have the shape of a flat strip, and support structures, which are fitted into the first and second grid straps around intersections of the first and second grid straps so as to support the dual-cooling nuclear fuel rods. | 2010-02-04 |
20100027735 | RAM BASED IMPLEMENTATION FOR SCALABLE, RELIABLE HIGH SPEED EVENT COUNTERS - There is broadly contemplated herein an arrangement whereby each event source feeds a small dedicated “pre-counter” while an actual count is kept in a 64-bit wide RAM. Such an implementation preferably may involve a state machine that simply sweeps through the pre-counters, in a predetermined fixed order. Preferably, the state machine will access each pre-counter, add the value from the pre-counter to a corresponding RAM location, and then clear the pre-counter. Accordingly, the pre-counters merely have to be wide enough such that even at a maximal event rate, the pre-counter will not be able to wrap (i.e., reach capacity or overflow) before the “sweeper” state machine accesses the pre-counter. | 2010-02-04 |
20100027736 | Method for producing tomographic images, control device, tomography unit and computer program product - A method is disclosed for producing tomographic images relating to different movement phases of a periodically moving object with the use of a tomography unit that includes a recording system that is arranged rotatably about a z-axis of the tomography unit, the recording system including an X-ray tube to which a tube current can be applied and a detector ( | 2010-02-04 |
20100027737 | System and Method For Space Control and Remote Monitoring - A system and method for space control and remote monitoring is disclosed. According to one embodiment, a frequency modulated signal is emitted from a radioscopic device having an antenna. The frequency of the reflected signal from a target is compared with the emitted frequency modulated signal to obtain a low-frequency signal. The low-frequency signal is processed to form signal pulsations spectrum using a fast Fourier transform. Each spectrum frequency represents a distance to the target. | 2010-02-04 |
20100027738 | SPECTRAL COMPUTED TOMOGRAPHY USING CORRELATED PHOTON NUMBER AND ENERGY MEASUREMENTS - A computed tomography system includes a plurality of radiation sensitive detector elements ( | 2010-02-04 |
20100027739 | Phase-Contrast X-Ray Imaging - Phase-contrast imaging is performed by directing radiation from a plurality of pinhole sources through a a phase object to be imaged, wherein the phase object includes a first composition that produces a phase shift in the radiation relative to radiation passing through a second composition in the phase object and detecting a phase-contrast image of the radiation after it passes through the phase object. The phase-contrast image is then decoded to generate an image of the phase object in which the first composition is distinguished from the second composition. | 2010-02-04 |
20100027740 | HIGH-RESOLUTION, ACTIVE-OPTIC X-RAY FLUORESCENCE ANALYZER - Active optics apparatus and method for aligning active optics are provided for a high-resolution, active optic fluorescence analyzer combining a large acceptance solid angle with wide energy tunability. A plurality of rows of correctors selectively controlled to bend an elongated strip of single crystal material like Si ( | 2010-02-04 |
20100027741 | Tray for assessing the threat status of an article at a security check point - A tray for holding a material while the material is being subjected to penetrating radiation. The tray has a surface on which the material rests while subjected to penetrating radiation. The surface has at least two areas, namely a first area and a second area, the first and second areas characterized by first and second signatures, respectively when exposed to penetrating radiation, wherein the first signature is different from the second signature. | 2010-02-04 |
20100027742 | SHIFTING AN OBJECT FOR COMPLETE TRAJECTORIES IN ROTATIONAL X-RAY IMAGING - It is described a method for acquiring a series of two-dimensional X-ray attenuation data of an object under examination ( | 2010-02-04 |
20100027743 | APPARATUS AND METHOD FOR DETERMIINING A DETECTOR ENERGY WEIGHTING FUNCTION OF A DETECTION UNIT - The invention relates to an apparatus for determining a detector energy weighting function of a detection unit ( | 2010-02-04 |
20100027744 | Image-guided multi-source radiotherapy - A highly compact, high-performance volumetric imaging system is proposed, that is integrated with a multi-source Cobalt-60 gamma irradiator for high throughput, high accuracy and minimally invasive fractioned treatments of intracranial, orbital and head-and-neck targets. | 2010-02-04 |
20100027745 | CHARGED PARTICLE CANCER THERAPY AND PATIENT POSITIONING METHOD AND APPARATUS - The invention comprises a laying, semi-vertical, or seated patient positioning, alignment, and/or control method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. Patient positioning constraints are used to maintain the patient in a treatment position, including one or more of: a seat support, a back support, a head support, an arm support, a knee support, and a foot support. One or more of the positioning constraints are movable and/or under computer control for rapid positioning and/or immobilization of the patient. The system optionally uses an X-ray beam that lies in substantially the same path as a proton beam path of a particle beam cancer therapy system. The generated image is usable for: fine tuning body alignment relative to the proton beam path, to control the proton beam path to accurately and precisely target the tumor, and/or in system verification and validation. | 2010-02-04 |
20100027746 | X-ray diffraction wafer mapping method for rhombohedral super-hetero-epitaxy - A new X-ray diffraction (XRD) method is provided to acquire XY mapping of the distribution of single crystals, poly-crystals, and twin defects across an entire wafer of rhombohedral super-hetero-epitaxial semiconductor material. In one embodiment, the method is performed with a point or line X-ray source with an X-ray incidence angle approximating a normal angle close to 90°, and in which the beam mask is preferably replaced with a crossed slit. While the wafer moves in the X and Y direction, a narrowly defined X-ray source illuminates the sample and the diffracted X-ray beam is monitored by the detector at a predefined angle. Preferably, the untilted, asymmetric scans are of {440} peaks, for twin defect characterization. | 2010-02-04 |
20100027747 | PILEUP REJECTION IN AN ENERGY-DISPERSIVE RADIATION SPECTROMETRY SYSTEM - A method of detecting a pileup in an energy-dispersive radiation spectrometry system, wherein a filter of the system generates a first pulse in response to a preamplifier signal, and wherein the system has one or more fast channels having an energy of full efficiency wherein substantially all photons received having at least the full efficiency energy are detected. The method includes measuring an above threshold time duration of the filter, determining that the fast channels have not made any detections while the first pulse is above the minimum detectable threshold energy of the filter, in response thereto, declaring a pileup if the above threshold time duration exceeds a longest expected pulse duration that is a duration of a second pulse that would be output by the filter in response to a single photon having an energy equal to the energy of full efficiency being received by the system. | 2010-02-04 |
20100027748 | Synergistic Energy-Dispersive and Wavelength-Dispersive X-Ray Spectrometry - An X-ray spectroscope collects an energy-dispersive spectrum from a sample under analysis, and generates a list of candidate elements that may be present in the sample. A wavelength dispersive spectral collector is then tuned to obtain X-ray intensity measurements at the energies/wavelengths of some or all of the candidate elements, thereby verifying whether or not these candidate elements are in fact present in the sample. Additionally, the alignment of the wavelength dispersive spectral collector versus the sample can be optimized by tuning the wavelength dispersive spectral collector to the energy/wavelength of a selected one of the candidate elements—preferably one whose presence in the sample has been verified, or one which has a high likelihood of being present in the sample—and then varying the alignment of the wavelength dispersive spectral collector versus the sample until the wavelength dispersive spectral collector returns the maximum intensity reading for the selected candidate element. Intensity readings for the other candidate elements can then be collected at this optimized alignment. | 2010-02-04 |
20100027749 | METHODS AND SYSTEMS FOR DETERMINING THE AVERAGE ATOMIC NUMBER AND MASS OF MATERIALS - Disclosed herein are methods and systems of scanning a target for potential threats using the energy spectra of photons scattered from the target to determine the spatial distributions of average atomic number and/or mass in the target. An exemplary method comprises: illuminating each of a plurality of voxels of the target with a photon beam; determining an incident flux upon each voxel; measuring the energy spectrum of photons scattered from the voxel; determining, using the energy spectrum, the average atomic number in the voxel; and determining the mass in the voxel using the incident flux, the average atomic number of the material in the voxel, the energy spectrum, and a scattering kernel corresponding to the voxel. An exemplary system may use threat detection heuristics to determine whether to trigger further action based upon the average atomic number and/or mass of the voxels. | 2010-02-04 |
20100027750 | X-RAY EMITTER - The invention relates to an X-ray emitter | 2010-02-04 |
20100027751 | Method for the production of angiography recordings - The invention relates to a method for the production of angiography recordings. First, a mask image is recorded with a first modality. A contrast medium is injected after the first recording. A control image is recorded with a second modality after the injection of the contrast medium. A spreading of the contrast medium is determined based on the images and the control of subsequent recordings is analyzed. A recording criterion is checked to determine whether the recording criterion has been achieved. If it has not been achieved, the control image is repeatedly recorded for repeatedly determining the spreading of the contrast medium. If it has been achieved, a contrast image is recorded with the first modality and the mask image and the contrast image are processed and analyzed. | 2010-02-04 |
20100027752 | X-RAY IMAGE DIAGNOSIS APPARATUS AND CONTROL METHOD - An X-ray image diagnosis apparatus which can accept operations from a plurality of operation panels can ensure convenience for operators while avoiding the risk of excessively exposing an object to X-rays. This invention is a control method in an X-ray image diagnosis apparatus which irradiates an object with X-rays and processes a captured image obtained by imaging the object. This method includes the steps of receiving information associated with an imaging condition at the time of X-ray irradiation which is input via an operation panel, discriminating, when the information associated with the imaging condition is received, an operation panel from which the information associated with the imaging condition has been input, and restricting, when the information associated with the imaging condition is received, the reception of a specific instruction input via an operation panel other than the discriminated operation panel. | 2010-02-04 |
20100027753 | HIGH FLUX X-RAY TARGET AND ASSEMBLY - An X-ray tube anode assembly and an X-ray tube assembly are disclosed that include an X-ray target and a drive assembly configured to provide an oscillatory motion to the X-ray target. The drive assembly is configured to provide an oscillatory motion to the target assembly. | 2010-02-04 |
20100027754 | CREEP-RESISTANT ROTATING ANODE PLATE WITH A LIGHT-WEIGHT DESIGN FOR ROTATING ANODE X-RAY TUBES - A rotating anode plate for rotating anode x-ray tubes, has a curved disc to be attached positively on a rotation center. The curved disc is formed of a material with high thermal shock resistance that is creep-resistant and simultaneously highly heat-conductive. Particularly suitable materials are ceramics made of silicon carbide (SiC) or alloys made of molybdenum-titanium-zirconium (TZM). | 2010-02-04 |
20100027755 | Radiation Collimator - A radiation collimator for use in either radiation-emitting devices (e.g., radiation therapy) or radiation-sensing imagery devices (i.e., gamma/X-ray cameras) is disclosed. The collimator's interior surface is basically a cylinder or a truncated cone, whereas its exterior shape is generated by the revolution of the graph of a function about the cylinder's symmetry axis, that function being determined such that the attenuation in the center of the sensor is constant as seen from any direction. The collimator is a body of revolution. The said collimator improves collimation and image resolution when compared to cylindrical, pinhole, laminar, or to other art collimators. | 2010-02-04 |
20100027756 | ORAL SENSOR HOLDER AND ASSEMBLY OF SUCH A SENSOR HOLDER AND A DIGITAL SENSOR - An oral sensor holder for holding a digital sensor is already known on the market. The digital sensor is placed in the oral cavity by means of this holder and then irradiated by an external radiation source, being an X-ray source. A relatively quick and relatively bright and clear dental photographic image can thus be obtained of the situation in the mouth, in particular the dental situation, of a person. The invention relates to an improved oral sensor | 2010-02-04 |
20100027757 | RIGID COMPUTED TOMOGRAPHY ROTOR AND METHOD FOR THE MANUFACTURE THEREOF - A rotor for a gantry of a computed tomography apparatus, as well as a manufacturing method for such a rotor. The rotor according to the invention is produced at least in segments from a composite material with polymer matrix that is reinforced with fibers. The rotor thus has a high strength and rigidity, such that the deformation limits to achieve a sufficiently good image quality with simultaneously low structural volume and low weight are not exceeded, even at high rotation speeds. | 2010-02-04 |
20100027758 | COMPUTED TOMOGRAPHY ROTOR RIGIDIFIED BY A METAL MATRIX MATERIAL - A computed tomography apparatus according to the invention ha a rotor that is produced at least in segments from a composite material with metal matrix reinforced with particles. Composite materials with a polymer matrix reinforced with particles have high specific strength properties and rigidity properties with simultaneously low material usage, such that high rotation speeds of the rotor can be achieved without negatively affecting the image quality in generated tomographical images. | 2010-02-04 |
20100027759 | COMPUTED TOMOGRAPHY ROTOR RIGIDIFIED BY A COMPOSITE MATERIAL WITH SHAPED BODIES THEREIN - In a rotor for a gantry of a computed tomography apparatus, as well as a manufacturing method for such a rotor, the rotor is manufactured as to contain shaped bodies (at least in segments of the rotor) produced from a composite material. By the integration of such shaped bodies with high strength and rigidity, the rotor can be stabilized in a targeted manner in the regions in which high stress values that arise upon rotation of the rotor. | 2010-02-04 |
20100027760 | DISPLACEMENT SYSTEM FOR AN X-RAY C-ARM - A displacement system for a C-arm arranged on a trolley is provided. The displacement system includes at least a first and at least a second guiding element arranged in a plane or parallel thereto. The first and second guiding element are arranged at right angles to one another and a displacement device arranged in a displaceable fashion along the first and second guiding element, with the displacement device being coupled to the guiding elements such that by rotating the displacement device about a drive axis, the displacement device is moved along the first and second guiding element. As a result, the displacement system prevents jamming as a result of leverage forces during displacement of the C-arm. | 2010-02-04 |
20100027761 | MOVEMENT SYSTEM FOR AN X-RAY C-ARM - A movement system for a C-arm. The movement system comprises at least one first guide element arranged in a plane, a movement device arranged to allow movement along the first guide element as well as a first motion link rotatable around a first axis of rotation standing at right angles to the plane. The movement device is connected rotatably to the first motion link to a second axis of rotation standing at right angles to the plane such that a movement of the movement device along the first guide element causes the second axis of rotation to be moved on a circular track around the first axis of rotation. The advantage of this is that the arm is prevented from jamming as a result of leverages during movement of a C-arm. | 2010-02-04 |
20100027762 | MEDICAL DIAGNOSTIC X-RAY APPARATUS PROVIDED WITH A COOLING DEVICE - The invention relates to a medical diagnostic X-ray apparatus ( | 2010-02-04 |
20100027763 | METHOD OF CALIBRATING A RADIATION THERAPY SYSTEM - The present invention concerns a method, a system, a measurement tool and computer readable medium for determining a predetermined position of a positioning system in a radiation therapy system comprising a radiation therapy unit relatively a fixed radiation focus point of the radiation therapy unit. The method comprises positioning ( | 2010-02-04 |
20100027764 | NETWORK DEVICE AND METHOD FOR REDIALING PHONE CALLS - A network device, configured with common and emergency call resources for connecting a telephone terminal to a local exchange, includes a storage module, a control module, and a digital signal processor. The storage module stores a plurality of emergency call numbers. The control module detects a public switched telephone network (PSTN) dialing signal from the telephone terminal and determines if the common call resource has been exhausted upon detecting the PSTN dialing signal. The digital signal processor receives a PSTN call number from the telephone terminal upon the condition that the common call resource has been exhausted, determines if the PSTN call number matches with one of the emergency call numbers, and redials the PSTN call number to the local exchange via the emergency call resource upon the condition that the PSTN call number matches with one of the emergency call numbers. | 2010-02-04 |
20100027765 | METHOD AND SYSTEM FOR PROVIDING ASSISTED COMMUNICATIONS - An approach is provided for selectively translating a communication session and associated media among different formats based on user sensory impairment, preferred communication format, device capability, and restrictive environmental conditions. | 2010-02-04 |
20100027766 | Automatic Transmission of Audio and/or Video Content To Desired Recipient(s) - The automated dissemination of information in response to a telephone call is disclosed. When a call is received, the call can be forwarded to a third party, such as an emergency service provider. Data and/or audio information associated with the call can be automatically transmitted to one or more recipients. | 2010-02-04 |
20100027767 | TRANSPARENT VOICE REGISTRATION AND VERIFICATION METHOD AND SYSTEM - Transparent voice registration of a party is provided in order to provide voice verification for communications with a service center. Verbal communication spoken by a party during interaction between the party and an agent of the service center is captured. A voice model associated with the captured communication is created and stored in order to provide voice verification during a subsequent call to the service center. When a requester contacts the service center, a comparison of the voice of the requester and a voice model of the person that the requester claims to be is performed, in order to verify the identity of the requester. Additionally, a voice model associated with a party is automatically updated after a subsequent communication between the party and the service center. | 2010-02-04 |
20100027768 | AVIATION TEXT AND VOICE COMMUNICATION SYSTEM - A communication system provides the conversion of voice inputs into analog and/or digital data at either the transmission or reception end or both. The data is converted for use as voice and/or visual text which can be displayed to the operator for task specific or general information. This data can also be utilized by integrated management and display systems within a vehicle such as an aircraft, or for any broader communication or navigational purpose. | 2010-02-04 |
20100027769 | GLOBAL TELECOMMUNICATIONS NETWORK PROACTIVE REPOSITORY, WITH COMMUNICATION NETWORK OVERLOAD MANAGEMENT - A proactive repository stores authenticated information regarding Entities and their properties. A set of conditions and policies is associated with the information in the repository. These conditions govern the release of information to an authorized recipient. Release conditions include various forms of activation, such as activation of emergency services dispatch, a change in condition of a public utility, a change in geophysical or meteorological conditions, etc. At least one responsible third party can authenticate Entities, agents agencies and the like, validate associated credentials, and store received information in the repository. A first proactive repository can be stored within a second proactive repository. A proactive repository can provide the facilities of a multi-modal notification delivery system. | 2010-02-04 |
20100027770 | HOME APPLIANCE SYSTEM AND OPERATION METHOD THEREOF - A home appliance system and an operation method thereof are disclosed. The home appliance outputs product information as a predetermined sound and transmits the sound through a connected communication network, thereby making it easier for a service center at a remote place to check a status of the home appliance. Further, the home appliance system and operation method thereof prevents noise or signal error generated in the procedure of converting product information into a signal of a predetermined frequency band in order to output the product information as a sound, thus enabling stable signal conversion and improving the accuracy of information transmission using the output of sound. | 2010-02-04 |
20100027771 | Correlating Call Detail Records With Telephony Switch Information - Embodiments of the present invention include a method for processing a non-normalized local exchange routing guide (LERG) table to produce a normalized LERG table. The LERG tables have an NPA field, an NXX field, a Block_Id field, and a Switch_Id field. The method includes joining all distinct combinations of NPA and NXX in the non-normalized LERG table to all valid Block_Ids to produce a NormLERG table. The method further includes populating a Switch_Id field, in each NormLERG record having a distinct NPA-NXX value. The populating of the Switch_Id field is based on a number of corresponding non-normalized LERG records and on the Switch_Id field in one of the corresponding non-normalized LERG records and on a number of distinct Switch_ID values in the corresponding non-normalized LERG records. Each of the corresponding non-normalized LERG records has a same one of the NPA-NXX values. | 2010-02-04 |
20100027772 | COMPUTER TELEPHONY INTEGRATION (CTI) COMPLETE HEALTHCARE CONTACT CENTER - Methods, systems, and products enable a healthcare facility to process incoming communications. | 2010-02-04 |
20100027773 | TELEPHONE APPARATUS - A telephone apparatus has a base station ( | 2010-02-04 |
20100027774 | TRIGGER MEDIATION SYSTEM - A system for processing a call from a subscriber in a telecommunication network includes a service-oriented architecture-based orchestrator configured to communicate with legacy communication platforms and next-generation communication platforms, and to an application layer or intelligent network (IN) portion of the telecommunication network. The orchestrator is configured to receive a multi-part service request corresponding to the call from the subscriber, where the multi-part service request includes multiple individual service requests. A service database is configured to provide an identity and network location of multiple control points (service control points, telco control points), where each control point corresponds to an individual service request. Protocol adapters provide a communication interface with each control point, and with the core network. A network service orchestrator simultaneously communicates with each control point and requests processing instructions corresponding to the individual service request. Processing instructions corresponding to the respective individual service request received from each control point facilitate processing the call and implementing the services requested. | 2010-02-04 |
20100027775 | METHOD AND SYSTEM FOR FACILITATING MULTI-POINT COMMUNICATIONS - A conferencing system, method and communication device for facilitating a conference call between a plurality of terminal devices is presented. The conference system comprises: a conference server for establishing the conference call; and re-connection means adapted to detect if a terminal device is disconnected from the conference call and to re-connect a terminal device to the conference call if it is detected that the terminal device is disconnected from the conference call. | 2010-02-04 |
20100027776 | METHOD AND APPARATUS FOR PROVIDING RINGBACK TONES - A method of providing a ringback tone to a calling party. The method includes receiving a call directed to a subscriber from the calling party. At least one of an adaptive ringback tone and an actionable ringback tone is provided to the calling party. The adaptive ringback tone is based on state data. | 2010-02-04 |
20100027777 | System and Method for A Smart Dialer - A system and method for coordinating communications. User selection of multiple contacts from an address book are received. The user selection of multiple contacts are added to a contact schedule. The multiple contacts listed in the contact schedule are automatically called. A voice communication is initiated in response to a receiving party answering a call. A message specified by a user is sent to the receiving party in response to the receiving party not answering the call. | 2010-02-04 |
20100027778 | METHOD AND APPARATUS FOR MAINTAINING DYNAMIC QUEUES IN CALL CENTERS USING SOCIAL NETWORK INFORMATION - In one embodiment, a method includes connecting on a call with a caller and determining if social network information associated with the caller is available. If it is determined that social network information associated with the caller is available, the social network information is obtained and utilized to identify at least a first agent suitable for participating on the call with the caller. The first agent is associated with a call center. The method also includes providing the caller with information that identifies the first agent as being suitable for participating on the call with the caller. | 2010-02-04 |
20100027779 | METHOD, DEVICE, AND PROGRAM FOR CALCULATING NUMBER OF OPERATORS NEEDED - A workforce requirement calculation device | 2010-02-04 |
20100027780 | Systems and methods for anonymizing personally identifiable information associated with epigenetic information - Methods and devices are described for anonymizing personally identifiable information associated with epigenetic information. | 2010-02-04 |
20100027781 | METHOD AND APPARATUS FOR ENHANCING PERFORMANCE OF DATA ENCRYPTION STANDARD (DES) ENCRYPTION/DECRYPTION - A method and apparatus for increasing performance of Data Encryption Standard (DES) and Triple DES (3DES) cipher operation is provided. A critical path through a plurality of rounds in a multi-round cycle to perform a cipher operation is reduced by reducing the number of exclusive OR (XOR) operations in the critical path. An R state element is expanded to 48-bits and each round stage uses the 48-bit expanded R state element which results in a reduction of the number of XOR operations to one per round in the cipher operation plus one additional XOR operation per cipher operation. In addition logic organization is symmetric which further increases the overall performance of DES and 3DES. | 2010-02-04 |
20100027782 | Device and Method for Processing Datastreams - The invention relates to a device for processing datastreams in a communications unit with two mutually-separate data-processing regions, which provide at least two separate message paths. The message paths are connected respectively to a message transmitter and a message receiver, wherein, in each message path, an encoding module is provided, which is connected both to a first data-processing region and also to a second data-processing region. Furthermore, in the second data-processing region, a distribution unit is provided, which is connected to the message paths of the first data-processing region and to all encoding modules of the corresponding message paths in order to distribute given messages in a targeted manner. | 2010-02-04 |
20100027783 | Precalculated encryption key - An authenticated encryption method includes receiving, by an Advanced Encryption Standard (AES) engine, a cipher key and computing a hash key using the received cipher key. The computed hash key is stored in a storage memory. The AES engine then receives a packet of data and encrypts the packet of data using the received cipher key. The hash key from the storage memory is sent to a GHASH engine which is used to authenticate the packet of data. Encrypting the packet of data is performed after the hash key is stored in the storage memory. Input flow of the packet of data is enabled after the hash key is stored in the storage memory. | 2010-02-04 |
20100027784 | KEY GENERATION USING BIOMETRIC DATA AND SECRET EXTRACTION CODES - There is provided a method of generating a key for encrypting Communications between first and second terminals comprising obtaining a measurement of characteristics of a physical identifier of a user; and extracting a key from the physical identifier using a code selected from a collection of codes, each code in the collection defining an ordered mapping from a set of values of the characteristics to a set of keys; wherein the collection of codes comprises at least one code in which the ordered mapping is a permutation of the ordered mapping of one of the other codes in the collection. | 2010-02-04 |
20100027785 | DEVICE AND METHOD FOR SECURITY HANDSHAKING USING MIXED MEDIA - A method and device for private/public key encryption using optical media. A key pair is generated, and the public key pair is stored on the optical media. The media is scanned and the optical media characteristics are used to hash stored information with the private key. The hashed version of the private key is then stored on the optical media. A read/write unit may subsequently de-hash the private key for encryption of data files. | 2010-02-04 |
20100027786 | DYNAMIC ENCRYPTION AUTHENTICATION - A method is disclosed. The method includes generating a uniquely derived data string using personalized information and a first encryption algorithm, generating at least one uniquely derived key using the uniquely derived data string, and creating a dynamic verification value using a second encryption algorithm using the at least one uniquely derived key, wherein the first encryption algorithm is different than the second encryption algorithm. | 2010-02-04 |
20100027787 | GENERATING A TRAFFIC ENCRYPTION KEY - Apparatus and method for generating a traffic encryption key includes generating a traffic encryption key for encrypting data transmitted as part of a service, the traffic encryption key having a validity equal to a traffic encryption key validity time period; checking whether a period for the service is longer than the traffic encryption key validity time period; and if the period of the service is longer than the traffic encryption key validity time period, ascertaining a residual period which indicates by what period the service is longer than the traffic encryption key validity time period of the traffic encryption key; generating a residual traffic encryption key which is used for encrypting data transmitted as part of a service; ascertaining a residual traffic encryption key validity time period which indicates for how long the residual traffic encryption key is valid; and associating the residual traffic encryption key validity time period with the residual traffic encryption key. | 2010-02-04 |
20100027788 | Asymmetric Cryptographic Device With Local Private Key Generation and Method Therefor - An asymmetric cryptographic integrated circuit | 2010-02-04 |
20100027789 | COPY CONTROL METHOD - In a reception apparatus for receiving digital content and a plurality of types of copy control information for controlling copying of the digital content, and recording the digital content on a recording medium according to the plurality of types of copy control information, when first information in the received plurality of types of copy control information shows copy generation information permitting one-generation copying, the digital content is allowed to be recorded in a state of being copyable up to a limited number in the case where second information in the received plurality of types of copy control information shows limited-number copy permission, and the digital content is recorded only once in a copy prohibited state in the case where the second information does not show limited-number copy permission. | 2010-02-04 |
20100027790 | METHODS FOR AUTHENTICATING A HARDWARE DEVICE AND PROVIDING A SECURE CHANNEL TO DELIVER DATA - A method for delivering audio/video data through a hardware device using a software application comprises, at the hardware end, receiving an encrypted application key, an encrypted random session key, and encrypted audio/video data from the software. The hardware then decrypts the encrypted application key using a secret encryption key, decrypts the encrypted random session key using the application key, and decrypts the encrypted audio/video data using the random session key. The hardware may then deliver the unencrypted audio/video data by way of a display and speakers. The secret encryption key is securely embedded within the hardware device at an earlier point in time. | 2010-02-04 |
20100027791 | FUZZY PROTECTION OF VISUAL CONTENT - A method and system for encoding visual information are described. An image is divided in to n number of patterns. 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, 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. In order to decrypt the encrypted visual content or the encrypted image, the player reads the key or encrypted visual content and decrypts the encrypted visual content or image by means of the information provided by the key. | 2010-02-04 |