| 09th week of 2011 patent applcation highlights part 42 |
| Patent application number | Title | Published |
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| 20110051772 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device includes a laser diode provided on a semiconductor substrate, the laser diode including a first optical waveguide having a gain waveguide, a plurality of photodiodes, a first wavelength-selective filter having periodic transmission peaks, and a second wavelength-selective filter having periodic transmission peaks, the period of the transmission peaks of the second wavelength-selective filter being different from the period of the transmission peaks of the first wavelength-selective filter. Furthermore, two photodiodes among the plurality of photodiodes are optically coupled to the first optical waveguide through the first and second wavelength-selective filters, respectively. | 2011-03-03 |
| 20110051773 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser device that can suppress size increase of a semiconductor laser element and increase in an interval between light emitting portions and can improve productivity is provided. This semiconductor laser device has a first semiconductor laser element, and a second semiconductor laser element which is a monolithic multi-wavelength semiconductor laser element. The second semiconductor laser element includes a semiconductor substrate, and, of side faces of the semiconductor substrate of the second semiconductor laser element, a side face arranged opposite the first semiconductor laser element is inclined with respect to the normal direction of a major face of the semiconductor substrate so that a distance from the first semiconductor laser element is increasingly large away from a mounting member. | 2011-03-03 |
| 20110051774 | TEMPERATURE PATCH - A patch may be adapted for placement proximate to a surface region of a mammal. The patch may include an infrared target for receiving thermal energy from the surface region and for emitting infrared radiation according to a substantially known emissivity property. When the target is placed proximate to the surface region, the characteristics of infrared radiation emitted by the target substantially correspond to the temperature of the surface region. The patch may have means for selectively maintaining the target in a position proximate to a surface region of a mammal. The patch may include indicia uniquely associated with the patch. | 2011-03-03 |
| 20110051775 | CARBON NANOTUBE TEMPERATURE AND PRESSURE SENSORS - The present invention, in one embodiment, provides a method of measuring pressure or temperature using a sensor including a sensor element composed of a plurality of carbon nanotubes. In one example, the resistance of the plurality of carbon nanotubes is measured in response to the application of temperature or pressure. The changes in resistance are then recorded and correlated to temperature or pressure. In one embodiment, the present invention provides for independent measurement of pressure or temperature using the sensors disclosed herein. | 2011-03-03 |
| 20110051776 | Flexible deep tissue temperature measurement devices - The invention pertains to flexible devices used for zero-heat-flux, deep tissue temperature measurement, especially to disposable temperature measurement devices. Such a device is constituted of a flexible substrate with a plurality of contiguous sections. An electrical circuit is disposed on a side of the substrate. The electrical circuit includes first and second thermal sensors disposed, respectively, on first and second substrate sections. A heater trace is disposed on the first substrate section with the first thermal sensor. The first and second sections are folded together to position the first and second thermal sensors therebetween, and a flexible insulator disposed between the folded-together first and second sections maintains the first and second thermal sensors in a spaced-apart relationship. | 2011-03-03 |
| 20110051777 | HIGH-TEMPERATURE PLUG - A high-temperature plug ( | 2011-03-03 |
| 20110051778 | Composite Material for Temperature Measurement, Temperature Sensor Comprising the Composite Material, and Method for Producing the Composite Material and the Temperature Sensor - A composite material | 2011-03-03 |
| 20110051779 | Spread spectrum clock generating circuit - A spread spectrum generating circuit comprises an external PLL and an internal PLL. The external PLL comprises a phase detector, a low-pass filter, a voltage-controlled oscillator and a frequency divider, each of them connecting successively. The frequency divider is connected to the phase detector in order to form an external loop. The internal PLL comprises the phase detector, the low-pass filter and the voltage-controlled oscillator of the external PLL, each of them connecting successively. An output terminal of the voltage-controlled oscillator connects with a counter, and the output terminal of the counter connects to an input of the oscillator in order to form an internal loop. The present invention is compatible with the conventional ones, and has lower design risk and higher circuit reliability; compared with the general circuit, it has drastically reduced the area and power consumption, which allows more flexible design and meets more demands. | 2011-03-03 |
| 20110051780 | Wireless transmission system, wireless communication device, and wireless communication method - A wireless transmission system includes: a communication unit for transmission; and a communication unit for reception. The communication units for transmission and reception are housed in a housing of the same electronic apparatus, or the communication unit for transmission is housed in a housing of first electronic apparatus and the communication unit for reception is housed in a housing of second electronic apparatus and a wireless signal transmission path enabling wireless information transmission between the communication units is formed between the communication units when the first and the second electronic apparatus are disposed at given positions to be integrated with each other. The communication unit for transmission includes a first carrier signal generating unit and a first frequency converter, and the communication unit for reception includes a second carrier signal generating unit, and a second frequency converter. | 2011-03-03 |
| 20110051781 | MODULATION SIGNALS FOR A SATELLITE NAVIGATION SYSTEM - A method of generating a subcarrier modulation signal for modulating a further signal, the method involving multiplexing or selectively combining portions of first and second subcarriers to produce the subcarrier modulation signal. | 2011-03-03 |
| 20110051782 | Method, System and Apparatus for Wideband Signal Processing - Embodiments include methods, systems, and apparatuses capable of dynamically and adaptively operating on wideband signals. Examples include state variable filters whose center frequencies can be tuned using variable gain blocks coupled to outputs of filter integrators. First- and second-order state variable filters may operate on signals in parallel and their outputs combined to produce a filtered output. Filters may be tuned to pass or reject signals depending on the application; sample applications include, but are not limited to: agile filtering; spectrum analysis; interference detection and rejection; equalization; direct intermediate-frequency transmission; and single-sideband modulation and demodulation. | 2011-03-03 |
| 20110051783 | Phase-Optimized Constant Envelope Transmission (POCET) Method, Apparatus And System - An apparatus and method for generating a composite signal includes electronics configured to modulate a carrier utilizing a finite set of composite signal phases to generate a composite signal, the finite set of composite signal phases being determined through an optimization process that minimizes a constant envelope for the phase modulated carrier, subject to constraints on desired signal power levels of the signals to be combined and either zero or one or more relative phase relationships between the signals. The apparatus and method can be extended to generating an optimized composite signal of different frequencies. | 2011-03-03 |
| 20110051784 | RELAY METHOD AND RELAY APPARATUS - A wireless signal relay method comprises: receiving a wireless signal transmitted by mapping a first signal to be relayed in a repetitive manner to a plurality of wireless resources; generating a combined signal by combining signals repetitively mapped as the first signal to be relayed; and transmitting the combined signal. | 2011-03-03 |
| 20110051785 | MONITOR FOR SPECTRAL DEGRADATION OF TRANSMITTER OR RECEIVER - A monitor for a transmitter, receiver, or transceiver is proposed. The transmitter, receiver or transceiver has at least one component with at least one varying setting parameter controlled by a parameter controller to adjust a spectral degradation of a signal processed by the transmitter, receiver, or transceiver. The monitor comprises an input for receiving the at least one varying setting parameter from the parameter controller, and a setting parameter analyzer for evaluating the at least one varying setting parameter to determine whether the at least one component is normally operating within a desired operating range and to issue a warning signal in case the at least one component is abnormally operating within the desired operating range. The varying setting parameter may be, for example, predistortion parameters or tuning parameters of a voltage controlled oscillator. A corresponding method for monitoring a transmitter, receiver or transceiver is also proposed. Furthermore, a computer program product comprising instructions for the manufacture of the monitor and a computer program product that enable a processor to carry out the monitoring method are proposed. | 2011-03-03 |
| 20110051786 | POWER LINE COMMUNICATION METHODS AND DEVICES - A power line communication method for realizing data communication between at least one first or sending power line communication partner device and at least one second or receiving power line communication partner device. The method checks transmission conditions of a plurality of possible communication channels, thereby generating transmission condition data descriptive for the communication conditions of the respective possible communication channels. Additionally, communication conditions of the plurality of possible communication channels are selected as actual communication conditions based on the transmission condition data. | 2011-03-03 |
| 20110051787 | ELECTRONIC DEVICE INSTRUCTIONS PROVIDED USING RADIO SIGNALS - Systems, methods, and machine-readable media are disclosed for controlling an electronic device using data transmitted over radio signals. In some embodiments, a radio source may embed instructions to control an electronic device into a radio signal. For example, the radio source may use the RDS communications protocol to transmit the instructions in an FM radio signal. The electronic device may receive the radio signal and may perform the instructions included in the radio signal. For example, in a testing environment, the instructions can include commands to test the electronic device's radio using test parameters specified in the instructions. Responsive to receiving the test parameters, the electronic device may configure itself (e.g., turn on or off certain components) and record audio from a specified radio station. | 2011-03-03 |
| 20110051788 | PHOTONIC CELL CONTROL DEVICE AND METHOD FOR ULTRA-WIDEBAND (UWB) TRANSMITTERS/RECEIVERS - The present disclosure relates to a cell organisation and method for controlling ultra-wideband (UWB) transmitting/receiving devices, the aim of which is to improve spatial occupancy (number of transmitters/receivers operating per unit area) and spectral efficiency (number of transmitters/receivers operating in a certain frequency range) in a predetermined area. The control method is based on configuring the optimum parameters—transmission power, bandwidth among others—for each UWB transmitter/receiver present in each cell. Said configuration is calculated by monitoring the spectral parameters of the UWB transmitters/receivers operating in the area under control using a series of UWB sensors. In a preferred embodiment of the disclosure the sensors can be interconnected using photonic technology. | 2011-03-03 |
| 20110051789 | COMMUNICATION ANALYSIS APPARATUS AND COMMUNICATION ANALYSIS METHOD - To obtain a communication analysis apparatus and a communication analysis method that are allowed to analyze a communication message and a waveform signal in such a manner that the communication message and waveform signal are associated with each other. | 2011-03-03 |
| 20110051790 | RADIO COMMUNICATION DEVICE AND METHOD - A radio communication device includes a first filter configured to receive a first transmission signal, a second filter configured to receive a second transmission signal orthogonal to the first transmission signal, a radio unit configured to perform quadrature modulation on signals output from the first filter and the second filter, and produce a radio signal, a switch configured to provide, when a first test signal and a second test signal are present, the radio signal to a reception unit as a corresponding test radio signal, and a baseband signal processing unit configured to compensate for in-phase/quadrature imbalance by outputting the first test signal to the first filter, output the second test signal to the second filter, and calculate, on a basis of the test radio signal received via the reception unit, a correction factor to be applied to the first transmission signal and the second transmission signal. | 2011-03-03 |
| 20110051791 | Methods and Systems for Calibrating for Gain and Phase Imbalance and Local Oscillator Feed-Through - Methods and systems for calibrating a transmitter with I/Q imbalance and local oscillator feed-through include generating a test tone, frequency up-converting the test tone, monitoring one or more features of the up-converted test tone, and adjusting one or more features of the transmitter in response to the monitoring. The monitoring optionally includes monitoring a beating of the envelope of the up-converted test tone. In an embodiment, a first harmonic of the up-converted test tone is monitored for local oscillator feed-through (LOFT). Alternatively, baseband data inputs to the transmitter are disabled, and LOFT is measured by measuring power at the transmitter output. A second harmonic of the up-converted test tone is monitored for gain and phase imbalances. The adjusting optionally includes adjusting a gain imbalance, adjusting a phase imbalance, and/or adjusting a DC offset. The adjusting optionally includes an iterative refinement process. | 2011-03-03 |
| 20110051792 | SIGNAL ANALYZING APPARATUS FOR LTE SYSTEM - A signal analysis apparatus of an LTE system includes a radio frequency reception unit for receiving a radio frequency signal of the LTE system and converting it into a signal of an intermediate frequency, a digital signal conversion unit for converting an analog signal, processed by the radio frequency reception unit, into a digital signal, a baseband conversion unit for converting the signal of the intermediate frequency into a baseband signal, a baseband signal simple analysis unit for decoding the baseband signal in real time in accordance with an LTE standard, a signal depository for storing the baseband signal, a baseband signal precision analysis unit for decoding and analyzing the baseband signal in accordance with the LTE standard and analyzing various items derived in the decoding process, two switching units for alternatively connecting the baseband conversion unit or the signal depository to the baseband signal simple analysis unit or the baseband signal precision analysis unit, and a control unit for controlling the switching units. | 2011-03-03 |
| 20110051793 | SYSTEM AND METHOD FOR EVALUATING PERFORMANCE OF A MIMO ANTENNA SYSTEM - A performance evaluation system for a multiple-input multiple-output (MIMO) antenna system receives simulation parameters from an input device, and simulates a MIMO antenna system accordingly. A method, also provided, further evaluates performance of the simulated MIMO antenna system when a series of radio frequency (RF) signals are transmitted through the MIMO antenna system, and displays a performance analysis result of the MIMO antenna system on a display device for evaluation of the performance of the simulated MIMO antenna system. | 2011-03-03 |
| 20110051794 | Digital Transmitter - An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a look-up table. Parallel circuits including FIR filters and digital-to-analog converters provide a high speed equalizer with lower speed circuitry. The equalizer is particularly suited to in-cabinet and local area network transmissions where feedback circuitry facilitates adaptive training of the equalizer. | 2011-03-03 |
| 20110051795 | EQUALIZATION USING SERIAL LOCALIZATION WITH INDECISION - A receiver includes a constellation processing module and a plurality of equalization stages. The constellation processing module groups points of a constellation associated with a transmitted signal into a plurality of subsets. At least two adjacent ones of the subsets have one or more common constellation points so that the at least two adjacent subsets overlap. The constellation processing module also determines a centroid-based value for each of the subsets of constellation points and groups the centroid-based values into one or more sets. Each of the equalization stages except for a the last equalization stage localizes a search for a final symbol decision using the set of centroid-based values input to or selected by the equalization stage as constellation points. The last equalization stage determines the final symbol decision using the subset of constellation points input to or selected by the last equalization stage. | 2011-03-03 |
| 20110051796 | EQUALIZATION AND RESIDUAL SELF-INTERFERENCE SUPPRESSION USING SERIAL LOCALIZATION WITH INDECISION - A constellation processing module of a receiver groups points of a constellation associated with a transmitted signal into a plurality of subsets. At least two adjacent ones of the subsets have one or more common constellation points so that the at least two adjacent subsets overlap. The constellation processing module also determines a centroid-based value for each of the subsets of constellation points. A non-final equalization stage localizes a search for a final symbol decision using a set of the centroid-based values as constellation points. An interference suppresser suppresses residual self-interference which arises from using the set of centroid-based values as constellation points to localize the search for the final symbol decision instead of the constellation points used to modulate the transmitted signal. A final equalization stage determines the final symbol decision using a subset of the constellation points used to modulate the transmitted signal. | 2011-03-03 |
| 20110051797 | Method and apparatus for receiving signal in wireless communication system - A mobile terminal includes a channel estimation module that is maintained in an active state. A controller determines an activation time point of an equalizer weight calculation module for calculating a tap coefficient. The activation time point is earlier than an activation time point of a main equalizer module, and activates the equalizer weight calculation module at the activation time point so as to calculate the tap coefficient. When the equalizer weight calculation module's operation is completed, the controller activates the main equalizer module, detects a mobile terminal ID, activates an interference cancellation module, and controls the main equalizer module to provide a data signal demodulator with the data signal compensated for by the tap coefficient. A demodulator demodulates the compensated data signal. | 2011-03-03 |
| 20110051798 | EQUALIZER CIRCUIT - An equalizer circuit receives digital amplitude data A[N] which represents the amplitude level of the N-th (N is a nonnegative integer) signal to be transmitted via a transmission line and timing data T[N] which represents the cycle of the signal, and performs waveform shaping. The equalizer circuit includes: M (M is an integer) calculation units ECU | 2011-03-03 |
| 20110051799 | EQUALIZATION APPARATUS - This invention provides an equalization apparatus for equalizing an input signal on a cable. The equalization apparatus comprises a cable equalizer for equalizing a cable attenuation effect of the input signal to output a first equalization signal; and a stub equalizer for equalizing a stub effect of the first equalization signal to output an outputting equalization signal. | 2011-03-03 |
| 20110051800 | Apparatus and Method for Encoding an Information Signal - An apparatus for encoding an information signal having discrete values includes a quantizer having a quantizer border, wherein the quantizer is adapted so that a discrete value above the quantization border is quantized to a quantization index, which is different from a quantization index obtained by quantizing a discrete value below the quantization border, a controller for modifying the quantization border, wherein the quantizer having a first quantization border setting is adapted to generate a first set of quantization indices for the discrete values, and wherein the quantizer having a second modified quantization border setting is adapted to generate a second set of quantization indices, and an output interface for outputting an encoded information signal which is either based on the first set of quantization indices or the second set of quantization indices dependent on a decision function. | 2011-03-03 |
| 20110051801 | METHOD AND APPARATUS FOR DETERMINING ENCODING MODE BY USING TEMPORAL AND SPATIAL COMPLEXITY - A method and apparatus for deciding an encoding mode are disclosed. The encoding mode decision apparatus comprises a temporal complexity calculator to calculate a temporal complexity of a macroblock and a mode decider to elect the encoding mode utilizing the temporal complexity. The disclosure calculates the temporal and spatial complexes for the macroblocks more accurately as well as elects the optimal encoding mode using the same resulting in a reduction of the calculation complexity when applying the rate-distortion technique along with an improvement of its processing speed. | 2011-03-03 |
| 20110051802 | SYSTEM AND METHOD FOR VIDEO COMPRESSION USING NON-LINEAR QUANTIZATION AND MODULAR ARITHMETIC COMPUTATION - A system and method for video compression utilizes non-linear quantization and modular arithmetic computation to perform differential coding on multiple blocks of video data and uses a result of the differential coding to generate a codeword. | 2011-03-03 |
| 20110051803 | Latency Rate Distortion Optimisation - There is provided an improved latency rate distortion optimisation apparatus comprising a forward quantiser unit ( | 2011-03-03 |
| 20110051804 | Multiple Description Coding With Spatial Shifting - Techniques are provided herein to shift at an encoding device a portion of a video sequence by a first predetermined number of pixels horizontally and by a first predetermined number of pixels vertically to produce a shifted first portion of the video sequence. The shifted first portion of the video sequence is encoded to produce a first video description. The portion of the video sequence is shifted by a second predetermined number of pixels horizontally and by a second predetermined number of pixels vertically to produce a shifted second portion of the video sequence. The shifted second portion of the video sequence is encoded to produce a second video description, and the first video description and the second video description are transmitted. The techniques are scalable to shift and encode the portion of the video sequence a plurality of times to produce any number of video descriptions. Similarly, techniques are provided herein to perform such functions in reverse at a decoder. | 2011-03-03 |
| 20110051805 | SYSTEM AND METHOD FOR VIDEO AND GRAPHIC COMPRESSION USING MULTIPLE DIFFERENT COMPRESSION TECHNIQUES AND COMPRESSION ERROR FEEDBACK - A line-based one-dimensional system and method for video and graphic compression compresses an image data block that contains image data values from one or more neighboring pixels. The system and method involves compressing an image data sample of the image data block using multiple different compression techniques to generate multiple compression results, selecting one of the compression results, and compressing a next image data sample using the multiple different compression techniques and a compression error from the selected one of the compression results. | 2011-03-03 |
| 20110051806 | PICTURE-LEVEL RATE CONTROL FOR VIDEO ENCODING - Computer-implemented rate control in encoding one or more video pictures is disclosed. A quantization parameter (QP) to be used for encoding a current picture one of the one or more video pictures is determined using rate control data that takes picture type, picture complexity, and a target bitcount into account in determining the QP. The current picture is encoded into a compressed format using the QP to generate an encoded current picture. The rate control data is updated based on statistical data determined from the encoded current picture. | 2011-03-03 |
| 20110051807 | METHOD AND APPARATUS FOR RATE CONTROL ACCURACY IN VIDEO ENCODING - A method and apparatus are provided for rate control accuracy in video encoding. The apparatus includes a video encoder for encoding image data in a single encoding pass using rate control. The rate control involves defining a quantization step size value and a rounding offset value and refining at least the rounding offset value. The image data is encoded responsive to the quantization step size value and the refined rounding offset value. | 2011-03-03 |
| 20110051808 | METHOD AND SYSTEM FOR TRANSCODING REGIONS OF INTERESTS IN VIDEO SURVEILLANCE - A method and a system for spatial scalable region of interest transcoding of JPEG2000 coded video frames for video surveillance systems are shown. Based on a user defined ROI the method transcodes HD frames into images in moderate resolution with a ROI in HD resolution. | 2011-03-03 |
| 20110051809 | SCENE CHANGE DETECTION - Scene change detection in encoding digital pictures is disclosed. A statistical quantity μ | 2011-03-03 |
| 20110051810 | VIDEO DESCRIPTOR GENERATION DEVICE - The video descriptor generation device includes an each-picture feature extraction unit which extracts a feature from a video for each picture which is a frame or a field, and outputs an each-picture feature; an inter-picture feature difference calculation unit which calculates an inter-picture feature difference, which is a difference between features of pictures, from the each-picture features as a difference feature, and calculates a difference feature information amount indicating an amount of information of the difference feature; an additional feature extraction unit which calculates a feature to be added as an additional feature from the video; and a feature combining unit which, if the volume of the difference feature information amount is smaller than a certain criterion, constitutes a video descriptor by incorporating the additional feature in addition to the difference feature. | 2011-03-03 |
| 20110051811 | PARALLEL DIGITAL PICTURE ENCODING - Apparatus and Method for parallel digital picture encoding are disclosed. A digital picture is partitioned into two or more vertical sections. An encoder unit is selected to serve as a master and one or more encoder units are selected to serve as slaves. The total number of encoder units used equals the number of vertical sections. A mode search is performed on the two or more vertical sections on a row-by-row basis. Entropy coding is performed on the two or more vertical sections on a row-by-row basis. The entropy coding of each vertical section is performed in parallel such that each encoder unit performs entropy coding on its respective vertical section. De-blocking is performed on the two or more vertical sections in parallel on a row-by-row basis. | 2011-03-03 |
| 20110051812 | Video Transmitting Apparatus, Video Receiving Apparatus, Video Transmitting Method, and Video Receiving Method - A video transmitting apparatus includes: an error receiver that receives, from a video receiving apparatus for receiving a bit stream resulting from encoding of video data including pictures, error information indicating that an error is detected; an encoding-mode selector that selects a propagation-prevention encoding mode as an encoding mode when the error receiver receives the error information; and an encoder that encodes the video data in accordance with the selected encoding mode. In the propagation-prevention encoding mode, intra coding is executed on a forced intra block; a search range is set for a reference encoding unit so as not to include correspondent pixels from a boundary line serving as a boundary between the forced intra block and another block, the correspondent pixels corresponding to the number of adjacent pixels; and a restriction is set on deblocking-filter processing through a change in deblocking-filter setting information. | 2011-03-03 |
| 20110051813 | UTILIZING THRESHOLDS AND EARLY TERMINATION TO ACHIEVE FAST MOTION ESTIMATION IN A VIDEO ENCODER - Fast motion estimation in video encoding may be implemented using early termination. One or more section sizes in a current video picture may be determined for which a portion of motion estimation can be skipped during encoding of the current video picture. The portion of motion estimation may be performed on the current video picture on a section-by-section basis only for one or more section sizes not skipped. The picture may be encoded using the motion estimation performed in b) to produce an encoded picture. The resulting encoded picture may be stored or transmitted. The speedup achieved by skipping part of motion estimation may be regulated by selection of a quality control value. | 2011-03-03 |
| 20110051814 | IMAGE PROCESSING SYSTEM AND METHOD - A system and method for processing an image is provided. The system includes an encoder configured to subdivide the image into N subregions. The value of N is computed based upon a spatial resolution of the image, a granularity value and a level of wavelet decomposition. The encoder is configured to perform wavelet decomposition on each of the N subregions. The system includes memory circuitry configured to store image data resulting from the decomposition for later transmission. | 2011-03-03 |
| 20110051815 | METHOD AND APPARATUS FOR ENCODING DATA AND METHOD AND APPARATUS FOR DECODING DATA - An image data encoding and decoding method are provided, the encoding method including: compressing blocks of a first frame that is a reference frame, in units of a predetermined-sized block; determining whether each of the compressed blocks satisfies a respective target compression ratio; and selectively storing each of the compressed blocks based on the corresponding determination result for the respective compressed block. | 2011-03-03 |
| 20110051816 | IMAGE COMBINING AND ENCODING METHOD, IMAGE COMBINING AND ENCODING DEVICE, AND IMAGING SYSTEM - An image combining and encoding method includes steps of combining a current image and a previous image at a predetermined composition ratio on a per block basis, and generating a composite image, and sequentially encoding moving pictures of the composite image generated in the combining step. A reference image generated in the encoding step is used as the previous image in the combining step. | 2011-03-03 |
| 20110051817 | VIDEO DECODER - A video decoder is provided which can convert analog composite video signals into noise-suppressed luminance and color difference signals without increasing the system in size. From the A/D converted composite video data, luminance component data carrying the luminance component and color difference component data carrying the color difference component are acquired. Then, dithering is performed on each piece of the luminance component data and the color difference component data for output as digital luminance and color difference signals. | 2011-03-03 |
| 20110051818 | POWER LINE TRANSMISSION APPARATUS WITHOUT PUBLIC POWER SYSTEM NOISE INTERFERENCE AND METHOD THEREOF - A power line transmission apparatus is not interfered by the noise of the public power for transmitting high quality video/audio signal. The power line transmission apparatus includes an isolating unit connected between an external power line and an internal power line for isolating a high frequency noise signal carried on the external power line and transmitting a first power signal of the external power line from the external power line to the internal power line, and a power line network interface. The power line network interface includes at least one digital signal input/output interface for inputting or outputting a digital signal, converting the digital signal, and modulating the converted signal into the first power signal to form a second power signal and transmit the second power signal to the internal power line. A home network system without noise signal interference is built by utilizing several power line transmission apparatuses. | 2011-03-03 |
| 20110051819 | SYSTEM AND METHOD FOR TRANSMITTER ELECTROMAGNETIC INTERFERENCE (EMI) REDUCTION - A device for Electro-Magnetic Interference (EMI) reduction in an Ethernet system has an Ethernet compatible device. The Ethernet compatible device has a filter for adjusting a signal outputted by the Ethernet compatible device for EMI reduction. | 2011-03-03 |
| 20110051820 | Power line communications apparatus - Apparatus and system for communicating data via a power line. The apparatus comprises a transmitter comprising a modulator for generating a second digital signal based on input data; a digital buffer for amplifying the second digital signal to generate a third digital signal; a filter for filtering the third digital signal to generate an analog output waveform; and a coupler for coupling the analog output waveform to the power line. | 2011-03-03 |
| 20110051821 | METHOD AND A DEVICE FOR RELAYING SYMBOLS TRANSFERRED BY A SOURCE TO A DESTINATION - The present invention concerns a method for relaying symbols transferred by a source to a destination in a wireless cellular telecommunication network, the symbols being relayed by a relay, the relay receiving symbols, the symbols being representative of coded bits derived from information bits. The relay:
| 2011-03-03 |
| 20110051822 | PREAMBLE GENERATION METHOD AND APPARATUS OF STATION, AND DATA FRAME GENERATION METHOD - A preamble generation method of a station includes: generating a base sequence for channel estimation; generating an antenna channel estimation sequence for at least one or more antennas of the station; generating a preamble by allocating at least one or more modified sequences to frequency domains for at least one or time periods. The modified sequences are generated by using the base sequence, the antenna channel estimation sequence, and a control sequence for estimating at least one or more channels. | 2011-03-03 |
| 20110051823 | ENERGY MANAGEMENT SYSTEM AND METHOD - According to an aspect of the disclosure, an energy management apparatus for a home energy management system and method includes a processor operable to manage energy use at a site. The processor is configured to convert an incoming message received from a wireless energy network into XML enabled output data and format an outgoing message to be output to the wireless energy network using XML enabled input data. A communication interface is configured to enable access to a communication device having access to the wireless energy network, wherein the communication interface is further configured to detect the outgoing message formatted by the processor to be output using the wireless energy network; configure the outgoing message to a message bus format, detect the incoming message received from the wireless energy network, and convert the incoming message from the message bus format to access the incoming network device data. | 2011-03-03 |
| 20110051824 | METHOD AND APPARATUS FOR PERFORMING HARQ IN A MULTIPLE ANTENNA SYSTEM - A method of performing hybrid automatic repeat request (HARQ) in a multiple-antenna system includes receiving a plurality of codewords through an uplink channel, generating acknowledgment (ACK)/not-acknowledgment (NACK) signals respectively for the plurality of codewords, and transmitting the plurality of ACK/NACK signals through a downlink channel in association with a resource used in transmission of the uplink channel. ACK/NACK signals for each codeword in multiple antenna system can be transmitted. | 2011-03-03 |
| 20110051825 | A MULTI-CARRIER DIGITAL MOBILE MULTIMEDIA BROADCAST SYSTEM AND THE DIGITAL INFORMATION TRANSMISSION METHOD THEREOF - The present invention discloses a multi-carrier digital multimedia broadcast system and the digital information transmission method thereof. After RS encoding and byte interleaving, LDPC encoding, bit interleaving and constellation mapping to an upper layer of data streams in turn, the obtained data symbol is multiplexed with scattered pilots and continual pilots which include the system information to form an OFDM frequency domain symbol and scrambled; an OFDM time domain symbol is generated by IFFT transforming, and after inserted with the frame head to build a time slot, it is connected to form a signal frame of the physical layer; the signal frame of the physical layer is transmitted after being low-pass filtered and orthogonal upconverted. The system and method thereof provide wireless broadcast with high quality such as audio, video and multimedia data and the like for mobile, fixed and portable receivers, and can use the satellite transmission and terrestrial transmission method for transmitting. The method utilizes the LDPC OFDM scheme, and the system applies the microwave and large scale integrated circuit technologies while fulfills the needs for low cast and high performance. | 2011-03-03 |
| 20110051826 | Method for efficiently performing MULTI-BS MIMO operation in a broadband wireless access system - A method for determining temporary Base Station (BS) Identifiers (IDs) to efficiently set a multi-BS Multiple Input Multiple Output (MIMO) transmission mode and an apparatus for implementing the same in a broadband wireless access system are disclosed. To perform a multi-BS MIMO operation, a Mobile Station (MS) receives a first broadcast message including system information about a plurality of neighbor BSs from a serving BS, receives a second broadcast message including BS set information from the serving BS, the BS set information specifying indexes of one or more neighbor BSs which can be involved in the multi-BS MIMO operation among the plurality of neighbor BSs, and determines a temporary BS ID of each BS included in the BS set information using the specified indexes. | 2011-03-03 |
| 20110051827 | METHOD AND APPARATUS FOR TRANSMITTING PILOT IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting a pilot in a wireless communication system is provided. A pilot generating unit generates the pilot. A transmission circuitry transmits the pilot and a radio signal. A a processor assigns a first index and a second index to each of a plurality of pilot patterns, determines a selection pilot pattern having a first selection index and a second selection index calculated based on a cell ID, which are respectively identical with the first index and the second index, from among the plurality of pilot patterns, and maps the generated pilot to a resource element based on the selection pilot pattern. | 2011-03-03 |
| 20110051828 | METHOD AND SYSTEM FOR AN EFFICIENT CHANNEL QUANTIZATION METHOD FOR MIMO PRE-CODING SYSTEMS - A method and system for processing communication signals is provided and may comprise, quantizing a channel estimate at a MIMO receiver onto a codebook based on a cost function, wherein the codebook comprises a plurality of unitary matrices. A codebook index may be fed back from the MIMO receiver to a MIMO transmitter, wherein the codebook index is associated with one of the plurality of unitary matrices that minimizes the cost function. The cost function may be minimized by choosing a smallest scalar cost from a plurality of scalar costs, wherein each one of the scalar costs is generated from one or more sums and one or more products of elements of a product matrix, and wherein the product matrix is generated from one of the plurality of unitary matrices, a matrix comprising the channel estimate, and their respective Hermitian Transposes. | 2011-03-03 |
| 20110051829 | Method and Arrangement in a Cellular Communications System - The present invention relates to the area of wireless communication, and especially to a method and an arrangement for transmission output power control in a cellular telecommunications network. An improved transmission output power control is achieved by adapting a pre-defined power mask to a signal transmission characteristic of the signal transmission and applying the adapted power mask to a sub-frame or an OFDM symbol. The present invention could be implemented in a network node such as an eNodeB or in a user equipment. | 2011-03-03 |
| 20110051830 | METHODS AND RECEIVERS OF CARRIER FREQUENCY OFFSET DETECTION - A receiver used for an orthogonal frequency-division multiplexing (OFDM) system is provided. A signal processing device receives an OFDM symbol and processes the OFDM symbol according to the OFDM symbol and a carrier frequency offset compensation coefficient to generate a processed signal. The OFDM symbol includes pilots which have been hierarchically modulated and the processed signal includes the processed pilots. A signal analysis device collects the processed pilots of the processed signal and detects carrier frequency offset to generate the carrier frequency offset compensation coefficient to the signal processing device according to the processed pilots and a plurality of target decision bit error rates. A channel detection module detects a channel response of the processed signal according to the processed pilots and compensates the processed signal to generate an output data. | 2011-03-03 |
| 20110051831 | UNIFIED ITERATIVE DECODING ARCHITECTURE USING JOINT LLR EXTRACTION AND A PRIORI PROBABILITY - Certain aspects of the present disclosure relate to a method and an apparatus for unified iterative demodulation-decoding that can be employed in both multiple-input multiple-output (MIMO) and non-MIMO wireless systems. | 2011-03-03 |
| 20110051832 | METHODS FOR DETERMINING RECONSTRUCTION WEIGHTS IN A MIMO SYSTEM WITH SUCCESSIVE INTERFERENCE CANCELLATION - Certain aspects provide a method for determining decoding order and reconstruction weights for decoded streams to be cancelled in a MIMO system with successive interference cancellation, based on estimates of the channel characteristics, the received composite signal and parameters of the system. | 2011-03-03 |
| 20110051833 | TRANSMITTER SIGNAL INJECTION COMPENSATION - A transceiver mitigates signal leakage into a receive path from a transmit path. A subtraction circuit determines a difference between a receive signal and a compensation signal to produce a compensated receive signal prior to demodulation by a demodulator. An equalizer both amplitude adjusts and phase adjusts orthogonal baseband transmit signals based on the difference from the subtraction circuit to produce the compensation signal. A digital tuning circuit determines at least one amplitude adjust coefficient to be used by the equalizer. The equalizer can have a polarity switch or a variable attenuator or a variable delay. | 2011-03-03 |
| 20110051834 | METHOD OF TRANSMITTING OF DATA AND CONFIGURING A CODEBOOK IN MULTI ANTENNA SYSTEM - Methods of controlling a transmission power and configuring a codebook in a multi-antenna system to solve a transmission power unbalance between antennas are disclosed. The method of transmitting data in a multi-antenna system includes (A) transmitting one or more pilot signals within a first symbol region through a first antenna unit, and (B) transmitting one or more pilot signals within a second symbol region through a second antenna unit, wherein data within the first symbol region is transmitted through the second antenna unit, and data within the second symbol region is transmitted through the first antenna unit. According to the present invention, since a transmission power unbalance between antennas is solved, a transmission power can be uniformly assigned to each antenna and channel estimation can be easily performed. Moreover, a power amplifier having a uniform amplification range can be used and designed. | 2011-03-03 |
| 20110051835 | UPLINK MIMO TRANSMISSION FROM MOBILE COMMUNICATIONS DEVICES - A method of uplink transmission from a mobile device having multiple antennas to a base station having multiple antennas includes transmitting in an open-loop single-user MIMO mode when the mobile device is at high speed, transmitting in a closed-loop single-user MIMO mode when the mobile device is at low speed, and, upon request, transmitting in a multi-user collaborative MIMO mode. The method also includes controlling uplink transmissions in a selected one of the open-loop single-user MIMO, the closed-loop single-user MIMO and the multi-user collaborative MIMO modes. Uplink transmissions from the mobile device may be transmitted using multiple antennas of the mobile device. Upon request, the mobile device may switch to transmitting in multi-user collaborative MIMO mode with a subset of the multiple antennas. | 2011-03-03 |
| 20110051836 | Methods and Apparatus for Reducing the Average-to-Minimum Magnitude Ratio of Communications Signals in Communications Transmitters - A communications transmitter configured to reduce the average-to-minimum magnitude ratio (AMR) of a communications signal includes a symbol mapper, a pulse-shaping filter, an AMR reduction circuit, and a modulator. The symbol mapper operates to generate a sequence of symbols from a binary-source data stream containing a message to be transmitted, and the pulse-shaping filter generates a baseband signal based on the sequence of symbols. The AMR reduction circuit is configured to compare magnitudes of samples of the baseband signal to a time-varying low-magnitude threshold, and modify the baseband signal to produce a modified baseband signal having a reduced AMR if a sample of the baseband signal is determined to have a magnitude less than the time-varying low-magnitude threshold. Finally, the modulator operates to modulate a carrier signal based on the modulation information contained in the modified baseband signal. | 2011-03-03 |
| 20110051837 | COMMUNICATION SYSTEM PERFORMING INTERFERENCE ALIGNMENT AND INTERFERENCE ALIGNMENT METHOD - A communication device and a mobile station to perform interference alignment, and an interference alignment method are provided. Interference alignment may be performed to enable an interference signal, received in a mobile station, to be removed using channel information fed back from the mobile station. | 2011-03-03 |
| 20110051838 | DRIVING A MIXER WITH A DIFFERENTIAL LO SIGNAL HAVING AT LEAST THREE SIGNAL LEVELS - The mixer of a transmit chain of a wireless transmitter (such as the transmitter of a cellular telephone handset) is driven with low third harmonic in-phase (I) and quadrature (Q) signals. The low third harmonic I and Q signals have three or more signal levels, and transition between the these three or more signal levels at times such that each of the I and Q signals approximates a sine wave and has minimal third harmonic spectral components. In one example, reducing the third harmonic components of the I and Q signals simplifies design of amplifier stages of the transmitter and helps reduce receive band noise. | 2011-03-03 |
| 20110051839 | DESTUFF CIRCUIT AND TRANSMISSION DEVICE - In a destuff circuit, after invalid data included in each data signal assigned to a plurality of lanes in a stuff shifter is collected to one side within the same column, then in a data rotator the number of stuffs of the respective data signals of each column is detected, and the data of the respective columns are operated to rotate in one direction, according to the detection results. Then, effective data included in the data signal of each lane that has been rotated is stored in FIFO, to thereby output signals for which ineffective data has been removed and only effective data has been extracted. As a result, it becomes possible to perform destuffing processing for parallel data signals with simple logical circuits at high speed. | 2011-03-03 |
| 20110051840 | Methods, Apparatuses, System, and Related Computer Program Product for Information Transmission - Disclosed is a method including generating information to be transmitted, first transmitting, in a first transmission opportunity of n consecutive transmission opportunities, n being an integer greater than 1, the generated information once, and second transmitting, in one transmission opportunity different from the first transmission opportunity, the generated information a number of times different from once; and a method including first receiving, in the first transmission opportunity of the n consecutive transmission opportunities the information once, and second receiving, in the one transmission opportunity different from the first transmission opportunity, the information the number of times different from once. | 2011-03-03 |
| 20110051841 | METHOD FOR RECEIVING CONTROL INFORMATION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM OF MOBILE COMMUNICATION SYSTEM - The present invention relates to receiving control information in an orthogonal frequency division multiplexing (OFDM) system of a mobile communication system. The present invention includes receiving information related to a number of OFDM symbols in a subframe for receiving first control information, receiving information related to a number of OFDM symbols in the subframe for receiving second control information, decoding the first control information according to the received information related to the number of OFDM symbols in the subframe for receiving the first control information, and decoding the second control information according to the received information related to the number of OFDM symbols in the subframe for receiving the second control information, wherein the number of OFDM symbols for receiving the first control information is less than or equal to the number of OFDM symbols for receiving the second control information. | 2011-03-03 |
| 20110051842 | EFFICIENT LINEAR LINC POWER AMPLIFIER - Method for setup of parameter values in a RF power amplifier circuit arrangement ( | 2011-03-03 |
| 20110051843 | TRANSMISSION CIRCUIT - A transmission circuit includes: a first switch configured to select one of a first baseband signal and an oscillation signal; a second switch configured to select one of a second baseband signal and the oscillation signal; a first multiplier configured to multiply a first local frequency signal based on the oscillation signal by the signal selected by the first switch; a second multiplier configured to multiply a second local frequency signal based on the oscillation signal by the signal selected by the second switch; an adder configured to add an output from the first multiplier to an output from the second multiplier; and a correction circuit configured to correct one of the first baseband signal and the second baseband signal based on an output from the adder when the first switch and the second switch select the oscillation signal. | 2011-03-03 |
| 20110051844 | Programmable Hybrid Transmit Baseband Module - A programmable hybrid transmit baseband module includes a wireless protocol conversion module, a set of modules, and a mode select module. The wireless protocol conversion module is operable to convert outbound data into a complex signal having an in-phase (I) signal component and a quadrature (Q) signal component. The set of modules is operable to generate an offset adjusted normalized I signal component, an offset adjusted normalized Q signal component, and corrected amplitude modulation data, wherein each of the normalized I and Q signal components includes phase modulation data. The mode selection module is operable to output the I and Q signal components when the programmable hybrid transmit baseband module is in a first mode; and output the offset adjusted normalized I and Q signal components and the corrected amplitude modulation data when the programmable hybrid transmit baseband module is in a second mode. | 2011-03-03 |
| 20110051845 | FREQUENCY DIVERSITY AND PHASE ROTATION - An integrated circuit includes logic configured to encode one or more first data symbols in one or more first sub-carriers as one or more second data symbols in one or more second sub-carriers of a smart-utility-network communication. | 2011-03-03 |
| 20110051846 | Processing EM Bands - Methods and systems for processing an electromagnetic (EM) band are disclosed, including receiving a digitized EM band comprising two or more channels where two or more of the channels comprise modulated information; receiving two or more selections of two or more of the channels from two or more users; and demodulating the information from the selected channels. | 2011-03-03 |
| 20110051847 | METHOD FOR ESTIMATING AND CORRECTING A DRIFT BETWEEN CLOCKS OF A RECEIVING TRANSCEIVER AND A CORRESPONDING EMITTING TRANSCEIVER, AND RECEIVER FOR IMPLEMENTING SAID METHOD - Method for estimating and correcting a frequency offset between a local clock of a receiving transceiver and a remote clock of an emitting transceiver comprises receiving by said receiving transceiver, a signal emitted by the emitting transceiver, said signal lacking a continuous sinusoidal carrier and having at least one symbol, each symbol being emitted within a time frame having a first duration; sampling the signal by taking for each time frame a set of energy measurements of said signal; forming a matrix representative of said energy measurements; determining from said energy matrix, points of maximum of energy within each time frame; determining a line connecting a plurality of said points within each of said time frames; determining a slope of said line; calculating a frequency offset between the clocks of the emitting and receiving transceivers using the slope; and adjusting the receiving transceiver's clock frequency according to the frequency offset. | 2011-03-03 |
| 20110051848 | METHOD FOR TRANSMITTING SYSTEM INFORMATION - A method for configuring system information, a method for transmitting system information, and a method for transmitting resource ratio information are disclosed. A method for receiving system information elements includes receiving a first message including a fixed-size system information element from a base station, and receiving a second message including an variable-size system information element from the base station. | 2011-03-03 |
| 20110051849 | RADIO-RECEIVER CIRCUIT - A radio-receiver circuit having an analog-to-digital conversion unit. The analog-to-digital conversion unit comprises an analog-to-digital converter (ADC) and a filter operatively connected to an input terminal of the ADC in a receive path of the radio-receiver circuit. The radio-receiver circuit further comprises a control unit adapted to receive control data and determine, based on the control data, a frequency band in which data is to be transmitted to the radio-receiver circuit during a subsequent time interval. Furthermore, the control unit is operative to adapt at least one frequency characteristic of the analog-to-digital conversion unit to the determined frequency band for receiving said data transmitted in said subsequent time interval. | 2011-03-03 |
| 20110051850 | FREQUENCY TUNING AND DIRECT CURRENT OFFSET CANCELING CIRCUIT FOR CONTINUOUS-TIME ANALOG FILTER WITH TIME DIVIDED - The present invention provides a frequency tuning/DC offset canceling circuit for continuous-time analog filter with time division, the frequency tuning/DC offset canceling circuit including: a frequency tuning/DC offset canceling unit for performing frequency tuning by comparing an output voltage with a reference voltage when a frequency tuning control signal is inputted, and canceling a DC offset after terminating the frequency tuning when a DC offset canceling control signal is inputted; and a control signal generator for generating the frequency tuning control signal and the DC offset canceling control signal based on a reference clock in time division. | 2011-03-03 |
| 20110051851 | DEMODULATION USING SERIAL LOCALIZATION WITH INDECISION - A receiver includes a constellation processing module and a plurality of demodulation stages. The constellation processing module groups points of a constellation associated with a transmitted signal into a plurality of subsets, were at least two adjacent ones of the subsets have one or more common constellation points so that the at least two adjacent subsets overlap. The constellation processing module also determines a centroid-based value for each of the subsets of constellation points and groups the centroid-based values into one or more sets. Each of the demodulation stages except for the last demodulation stage localizes a search for a final symbol decision using the set of centroid-based values input to or selected by the demodulation stage as constellation points. The last demodulation stage determines the final symbol decision using the subset of constellation points input to or selected by the last demodulation stage. | 2011-03-03 |
| 20110051852 | JOINT DEMODULATION AND INTERFERENCE SUPPRESSION USING SERIAL LOCALIZATION WITH INDECISION - A receiver includes a constellation processing module and a multi-stage demodulator having a plurality of non-final demodulation stages and a final demodulation stage. The constellation processing module derives a set of centroid-based values from subsets of constellation points associated with a plurality of transmitted signals for input to each of the non-final demodulation stages. Each of the non-final demodulation stages demodulates a group of signals input to the non-final demodulation stage using the set of centroid-based values as constellation points and suppresses residual interference associated with using the set of centroid-based values as constellation points for signal demodulation. The final demodulation stage demodulates a group of modified signals input to the final demodulation stage using the subset of constellation points input to the final demodulation stage to determine a final symbol decision for the plurality of transmitted signals. | 2011-03-03 |
| 20110051853 | SOFT VALUE GENERATION USING SERIAL LOCALIZATION WITH INDECISION - Soft bit values are generated for received symbols transmitted based on a modulation constellation by demodulating the received symbols via a sequence of demodulation stages, each demodulation stage producing a symbol decision based on an effective constellation. Each effective constellation used by a non-final one of the demodulation stages includes subsets of centroids approximating a region of the modulation constellation. Adjacent ones of the subsets have one or more common points so that at least two adjacent subsets overlap. The soft bit values for the symbol decisions are determined based on detection metrics computed during demodulation for the points included in the effective constellation constructed incrementally over the sequence of demodulation stages, the effective constellation produced by the final demodulation stage being devoid of one or more points included in the modulation constellation. | 2011-03-03 |
| 20110051854 | ERROR DETECTION AND OFFSET CANCELLATION DURING MULTI-WIRE COMMUNICATION - Embodiments of a circuit are described. In this circuit, a receive circuit includes M input nodes that receive a set of M symbols on M links during a time interval, where the set of M symbols are associated with a codeword. Moreover, the receive circuit includes a decoder, coupled to the M input nodes, that determines the codeword in a code space based on the set of M symbols and that decodes the codeword to a corresponding set of N decoded symbols. Additionally, the receive circuit may include a detector that detects an imbalance in a number of instances of a first value in the set of M symbols, and a number of instances of a second value in the set of M symbols, and, if an imbalance is detected, that asserts an error condition. | 2011-03-03 |
| 20110051855 | FRAME SYNC DETECTING CIRCUIT AND FSK RECEIVER USING THE SAME - A frame sync detecting circuit and FSK receiver sequentially derive a moving average value (□) from oversample values of a received word pattern, for given symbol periods, and a difference between the moving average value and an average value for the given symbol periods in a given sync word pattern is determined as DC offsets Δf. Subsequently, the DC offset Δf is subtracted from the received word pattern, and correlation processing with respect to the sync word pattern is performed to determine a correlation value (). If the correlation value exceeds a predetermined threshold, it is determined that a sync word candidate has been received, and symbol values of the received word pattern after the DC offset correction are compared with respective symbol values of the sync word pattern. A sync word pattern detection is determined if errors in the symbols are within a given range. | 2011-03-03 |
| 20110051856 | WIRELESS TRANSMISSION DEVICE, WIRELESS RECEPTION DEVICE, AND SYMBOL ARRANGING METHOD - A wireless transmission device enabled to improve an error rate performance at a receiver, by acquiring at least one of frequency diversity effect and a time diversity effect while keeping the interference resistance which is acquired by diffusion. In this transmission device, a modulation unit ( | 2011-03-03 |
| 20110051857 | METHOD AND SYSTEM FOR A SOFT-OUTPUT NORDSTROM-ROBINSON DECODER - Aspects of a method and system for a method and system for a soft output Nordstrom-Robinson (NR) decoder may include one or more processors and/or circuits that are operable to more efficiently compute cross correlation values for a received soft output word based on a NR codebook in comparison to brute force computation approaches. Log likelihood ratios may be computed for each information bit corresponding to the received soft output word by determining corresponding maximum cross correlation values. | 2011-03-03 |
| 20110051858 | HARDWARE SIMPLIFICATION OF SIC-MIMO DECODING BY USE OF A SINGLE HARDWARE ELEMENT WITH CHANNEL AND NOISE ADAPTATION FOR INTERFERENCE CANCELLED STREAMS - Certain aspects of the present disclosure relate to a method and an apparatus for simplified serial interference cancellation in multiple-input multiple-output (MIMO) and non-MIMO wireless systems by using a single hardware element for multiple interference cancelled streams. | 2011-03-03 |
| 20110051859 | SYMBOL ESTIMATION METHODS AND APPARATUSES - A novel symbol estimation method produces intersymbol interference free symbols by detecting interfering symbols in an interfering channel. A channel estimate is refined for additional improvements. The method can lends itself as a serial or parallel algorithm implementation. The symbol estimation method includes using an initial estimate of received symbols and calculating a refined estimate of the received symbols using a channel estimate. The refined estimate is calculated by performing parameterization of intersymbol interference by symbols other than the symbol being refined and selecting a refined value for the symbol being refined by evaluating an optimization function. Symbol estimates are refined in multiple iterations, until a predetermined iteration termination criterion is met. Parameterization of ISI contribution of other symbols results in reduced computation by reducing total number of unknown variables in the refinement operation. | 2011-03-03 |
| 20110051860 | ITERATIVE DECODING ARCHITECTURE WITH HARQ COMBINING AND SOFT DECISION DIRECTED CHANNEL ESTIMATION - Certain aspects of the present disclosure relate to a method for iterative decoding with re-transmissions of data and to a method for iterative decoding with soft decision directed channel estimation. | 2011-03-03 |
| 20110051861 | METHOD AND APPARATUS FOR RECEIVING IN MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM - A receiving method and apparatus in a Multiple-Input Multiple-Output (MIMO) communication system are provided. The method includes receiving reception signals through a plurality of reception antennas, grouping symbols corresponding to the reception signals, respectively, into a preset number of groups, and rearranging symbols of the respective groups, transforming the reception signals by applying QR decomposition to the reception signals, sequentially canceling interference due to each of total possible candidate symbols for a first symbol based on an order of the rearranged symbols in the transformed reception signals, determining a portion of the total possible candidate symbols to be a candidate symbol set for each remaining symbol, except for the first symbol, using the interference-canceled reception signal, and determining log-likelihood ratio values of the first symbol, which are to be used upon decoding the received signals, using candidate symbols for the first symbol and each remaining symbol. | 2011-03-03 |
| 20110051862 | METHODS AND APPARATUS FOR OFDM SYMBOL SYNCHRONIZATION FOR IN-DOOR DIGITAL TV RECEPTION - A received signal comprises a continuous sequence of symbols φ | 2011-03-03 |
| 20110051863 | CHANNEL ESTIMATOR - The channel estimator includes a plurality of correlating sections configured to calculate a plurality of time correlation values between the signal and a plurality of known pattern signals having different code lengths, an analyzing section configured to output a control signal representing a selected period for extracting a preferable correlation output from the output from each of the plurality of correlating sections, and a delay profile generating section configured to output a delay profile obtained by adaptively selecting or combining parts of the outputs from the plurality of correlating sections based on the output from the analyzing section. | 2011-03-03 |
| 20110051864 | MULTI-STAGE INTERFERENCE SUPPRESSION - A multi-stage interference suppression receiver includes a short equalizer section configured to operate on a first portion of a received signal received over a channel to produce a first equalized signal and a first estimate of the channel, a channel estimator section configured to operate on the first equalized signal to produce a second equalized signal, the channel estimator section comprising a linear estimator and a non-linear estimator, a long equalizer section configured to operate on a second portion of the received signal to produce a first estimate of symbols in the received signal and a second estimate of the channel and an interference canceller section configured to operate on the first estimate of symbols in the received signal to generate a second estimate of symbols in the received signal based on, at least in part, the second estimate of the channel. | 2011-03-03 |
| 20110051865 | METHODS FOR DETERMINING DECODING ORDER IN A MIMO SYSTEM WITH SUCCESSIVE INTERFERENCE CANCELLATION - Certain aspects provide a method for determining decoding order and reconstruction weights for decoded streams to be cancelled in a MIMO system with successive interference cancellation, based on estimates of the channel characteristics, the received composite signal and parameters of the system. | 2011-03-03 |
| 20110051866 | DEMODULATION DEVICE - A demodulation device comprises at least a diversity combiner, an elimination parameter storage, an elimination parameter investigator, a noise eliminator, and a noise collection means. The elimination parameter storage stores elimination parameters used for eliminating a noise, as elimination parameters for each of antennas, the noise collection means receives a noise and outputs the received noise as a collected noise signal, and the diversity combiner outputs a combined signal along with combining parameters, each representing a parameter related to the combining for each of the antennas. The noise eliminator eliminates the noise by using the elimination parameters for all the antennas as well as the combining parameters for all the antennas. | 2011-03-03 |
| 20110051867 | METHODS AND APPARATUS FOR WIRELESS CHANNEL ESTIMATION USING INTERPOLATION ELIMINATION IN THE EIGEN DOMAIN - Methods and apparatus are provided for wireless channel estimation using interpolation elimination in the Eigen domain. Channel components at known OFDM symbol locations are interpolated to other OFDM symbol locations. Methods and apparatus are provided for interpolating in the Eigen domain between reference signals (i.e., training signals) to estimate the equalizer coefficients with a reduced complexity. In particular, one aspect of the present invention performs the required interpolation before a required matrix inversion in the Eigen domain. | 2011-03-03 |
| 20110051868 | VARIOUS IMPEDANCE FM RECEIVER - A receiver within a wireless device is able to couple to different antennas with different impedances. The wireless device includes a first antenna pin for coupling to a first antenna with a first impedance, a second antenna pin for coupling to a second antenna with a second impedance and a switch for selecting at least one of the first antenna and the second antenna to couple to the receiver. | 2011-03-03 |
| 20110051869 | RECEIVING APPARATUS AND RECEIVING METHOD - A receiving apparatus includes: RF filters for selecting and outputting a signal to be down-converted from among a plurality of received signals having different bands; a phase conversion unit for generating a phase difference between output signals of the filters and down-converting the output signals of the filters to output a plurality of sample signals; a quantization unit for converting the plurality of sample signals from discrete signals into digital signals; and a signal separation unit for separating and outputting each of a plurality of output signals corresponding to the plurality of received signals from the output signals of the quantization unit by using a phase shift value caused by the phase difference. | 2011-03-03 |
| 20110051870 | COMMUNICATION SYSTEM HAVING COMMUNICATION DEVICES CAPABLE OF SYNCHRONOUS COMMUNICATION THEREBETWEEN - There is provided a communication system that includes master and slave communication ECUs. The master communication ECU sends a clock signal to a clock communication line, with which the communication ECUs synchronize with each other when sending and receiving data. The master and slave communication ECUs then receive the clock signal through the clock line. The ECUs use the received clock signal as a reference timing, which is designated as a transmission/reception reference, and send or receive data to/from data communication lines. | 2011-03-03 |
| 20110051871 | METHOD OF SYNCHRONISING A PLURALITY OF FORMATTING MODULES - In the field of the broadcasting of digital services intended for terminals retrieving these services, the concern is with the problem of synchronisation in the context of a network transmitting on a single modulation frequency and the reliability of the broadcasting channel by redundancy of equipment. | 2011-03-03 |
