46th week of 2010 patent applcation highlights part 29 |
Patent application number | Title | Published |
20100290479 | METHOD AND DEVICE FOR PARAMETERIZING A BRIDGE WITHIN A COMMUNICATION NETWORK - In order to parameterize, within a communication network, a bridge to be put in communication with at least one element to be connected to said bridge, said bridge comprising at least one created port, a parameter representing a predetermined waiting period and corresponding to a time for detection by said bridge, during a phase of listening to the data received by said at least one created port, of the presence of any communication loop within said network, is determined; a filtering of said at least one created port is activated, said filtering being adapted to prevent the sending and reception by said at least one created port of inter-bridge management messages; the bridge is configured with said parameter thus determined; a new port of said bridge is created with a view to setting up communication with said at least one element; and said filtering is deactivated. | 2010-11-18 |
20100290480 | METHOD FOR SCALABLE ROUTING WITH GREEDY EMBEDDING - A method and apparatus is disclosed herein for scalable routing with greedy embedding. In one embodiment, the method comprises storing log(n) coordinates in a routing table, where n is the number of nodes in a network, and further wherein the log(n) coordinates are generated by constructing a greedy embedding that embeds a graph topology depicting connections between n nodes of a network into a geometric space so as to use greedy forwarding by generating a spanning tree out of a connection graph representing the connections between the n nodes of the network, decomposing the tree into at most n branches, assigning a set of geometric coordinates to vertices in the tree in an n-dimensional space, and projecting the set of geometric coordinates onto a k-dimensional space, where k is less than n, to create the log(n) coordinates; and routing packets via nodes of the network using the log(n) coordinates in the routing table. | 2010-11-18 |
20100290481 | ENCODING AND DECODING TECHNIQUES WITH IMPROVED TIMING MARGIN - Embodiments of an encoder and a decoder are described. The encoder encodes data into a series of parallel codewords. Each codeword is expressed two sets of logic values (e.g., a set of logic 0s and a set of logic 1s) on two corresponding sets of output nodes, a first set and a second set. The encoder selects a current codeword such that it differs from the immediately preceding codeword by a fixed number of zero-to-one transitions on the first set of nodes and a fixed number of one-to-zero transitions on the second set of nodes. A decoder receives and decodes the codewords by comparing symbols on node pairs for which the symbols expressed in the prior code word were alike and decoding the results of those comparisons. | 2010-11-18 |
20100290482 | METHOD FOR REDUCING ERRORS WHILE TRANSFERRING TOKENS TO AND FROM PEOPLE - A system, method and computer program produce for handling and minimizing miscommunication and transformation of tokens that are processed by humans, either verbally or in writing, during some part of a usage scenario. This is accomplished by filtering out confusing tokens, as determined by calculating a distance metric for each token. A distance metric may be calculated along a print modality, a visual modality or a verbal modality. | 2010-11-18 |
20100290483 | APPARATUS AND METHOD FOR TRANSMITTING STEREOSCOPIC IMAGE DATA - A method for transmitting stereoscopic images using a variety of transport protocols is provided. To this end, a stereoscopic image packet is defined that comprises a stereoscopic packet header and a stereoscopic video packet header. The defined stereoscopic packet header and stereoscopic video packet header are used to transmit metadata needed for transmission of stereoscopic images. By doing so, it is possible to ensure compatibility with a variety of transport protocols. | 2010-11-18 |
20100290484 | ENCODER, DECODER, ENCODING METHOD, AND DECODING METHOD - An encoder includes a precoder for encoding an input information object according to a preset encoding scheme and storing the encoded information object in a precoder buffer, a sample number/address generation unit for generating a sample number of each sample and an address, which corresponds to each bit of each sample and the address of the precoder buffer, a multiplexer for selecting a bit of the precoder buffer corresponding to the address generated by the sample number/address generation module, a sampling buffer for storing a bit of each sample output from the multiplexer, a control packet generation module for generating a control packet including information on the sample number generated by the sample number/address generation module, a packet assembling unit for assembling the sample stored in the sampling buffer with the control packet generated by the control data generation module, and a modulation module for modulating the packet output from the packet assembling unit into a sound signal according to a preset scheme. | 2010-11-18 |
20100290485 | REGULATION OF NETWORK TRAFFIC IN VIRTUAL PRIVATE NETWORKS - In an embodiment, a method is provided for regulating network traffic and virtual private networks. In this method, network traffic transmitted along multiple communication paths is received, and these communication paths are associated with forwarding identifiers. A portion of the forwarding identifiers is identified to match a particular forwarding identifier associated with a particular virtual private network. At the same time, the policy associated with the particular virtual private network is identified. A portion of the network traffic that is associated with the portion of the identified forwarding identifiers can then be regulated based on the policy. | 2010-11-18 |
20100290486 | A Digital Multimedia Network With Latency Control - The present invention relates to a digital multimedia network | 2010-11-18 |
20100290487 | RECYCLING PUMP-BEAM METHOD AND SYSTEM FOR A HIGH-POWER TERAHERTZ PARAMETRIC SOURCE - A method and a system are implemented in the fabrication of a portable high power terahertz beam source that can produce a tunable, high power terahertz beam over the frequency from 0.1 THz to 2.5 THz. The terahertz source employs a recycling pump beam method and a beam quality control device. The beam quality control device may or may not be required for a high power terahertz beam generation. In exemplary embodiments, a lithium niobate (LiNbO | 2010-11-18 |
20100290488 | Green Laser Generation Device, and Portable Electronic Machine Having Laser Projection Display Using the Said Device - The present invention relates to a green laser generation device which can be applied to a cellular phone, and more particularly to a green laser generation device which is ultra compact in size having volume of 1 cc or less, despite having a built-in thermo electric cooler, and has sufficient output power, despite having low power consumption, and a portable electronic machine having a laser projection display using the said device. The present invention provides a green laser generation device comprising an LD pump constituted by a photo diode; a fundamental generator generating infrared light laser according to the driving of the LD pump; a second harmonic generator generating green light using the generated infrared light laser; a polarization maintenance unit inserted between the fundamental generator and the second harmonic generator to maintain the polarization of the laser; and a temperature controller controlling an internal temperature of the green laser generation device. | 2010-11-18 |
20100290489 | ELECTRO-ABSORPTION MODULATED LASER (EML) ASSEMBLY HAVING A 1/4 WAVELENGTH PHASE SHIFT LOCATED IN THE FORWARD PORTION OF THE DISTRIBUTED FEEDBACK (DFB) OF THE EML ASSEMBLY, AND A METHOD - An EML assembly is provided that has and EAM and a DFB, with the DFB having an asymmetric ¼ wavelength phase shift positioned at a location that is in front of the center of the periodic structure of the DFB. In addition, the EML assembly has a tilted or bent waveguide that reduces reflections occurring at the front end facet, thereby enabling the EAM to produce a relatively high P | 2010-11-18 |
20100290490 | HEAT SINK AND ASSEMBLY OR MODULE UNIT - A heat sink for cooling parts, subassemblies, modules, or similar components, for cooling electrical or electronic components. The heat sink includes at least one cooling element which forms at least one cooling area for connecting the component that is to be cooled and which is made of a metallic material in the cooling area. | 2010-11-18 |
20100290491 | LASER DIODE DRIVING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A disclosed laser diode driving device drives laser diodes with driving currents obtained by adding switch currents to corresponding bias currents and includes a common switch current generating circuit configured to generate a common switch current according to an input signal; switch current generating circuits provided for the corresponding laser diodes and configured to generate the switch currents based on the common switch current and input signals; switches configured to control the output of the switch currents to the corresponding laser diodes according to input signals; bias current generating circuits configured to generate the bias currents and output the generated bias currents to the corresponding laser diodes; and a control unit configured to detect the light intensities of the respective laser diodes and to control the common switch current generating circuit, the switch current generating circuits, and the switches to adjust the light intensities of the respective laser diodes. | 2010-11-18 |
20100290492 | Nitride semiconductor laser device and method of producing the same - A method of producing a nitride semiconductor laser device includes forming a wafer including a nitride semiconductor layer of a first conductivity type, an active layer of a nitride semiconductor, a nitride semiconductor layer of a second conductivity type, and an electrode pad for the second conductivity type stacked in this order on a main surface of a conductive substrate and also including stripe-like waveguide structures parallel to the active layer; cutting the wafer to obtain a first type and a second type of laser device chips; and distinguishing between the first type and the second type of chips by automatic image recognition. The first type and the second type of chips are different from each other in position of the stripe-like waveguide structure with respect to a width direction of each chip and also in area ratio of the electrode pad to the main surface of the substrate. | 2010-11-18 |
20100290493 | LASER DIODE AND METHOD OF MANUFACTURING THE SAME - A laser diode includes an active layer, a strip-shaped ridge provided above the active layer, a pair of resonator end faces sandwiching the active layer and the ridge from an extending direction of the ridge, and an upland section provided being contacted with both side faces of the ridge in at least one of the resonator end faces of the pair of resonator end face and in the vicinity thereof. A thickness from the active layer to a surface of the upland section is larger on the resonator end face side and is smaller on a central side of the ridge, and the thickness is continuously changed from a thick portion on the resonator end face side to a thin portion on the central side of the ridge. | 2010-11-18 |
20100290494 | QUANTUM CASCADE LASER SUITABLE FOR PORTABLE APPLICATIONS - A highly portable, high-powered infrared laser source is produced by intermittent operation of a quantum cascade laser power regulated to a predetermined operating range that permits passive cooling. The regulation process may boost battery voltage allowing the use of a more compact, low-voltage batteries. | 2010-11-18 |
20100290495 | LASER DEVICE, A LIGHT SIGNAL GENERATING DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT - A laser device ( | 2010-11-18 |
20100290496 | NITRIDE SEMICONDUCTOR LASER DEVICE - A nitride semiconductor laser device includes: an active layer made of a nitride formed on a semiconductor substrate; a stripe-shaped ridge waveguide including a cladding layer having a ridge structure in its upper portion, formed on the active layer; a first current blocking layer transparent to light generated from the active layer, formed at least on a side face of the ridge waveguide; a second current blocking layer having light absorbency, formed on a flat portion of the cladding layer on each side of the ridge waveguide at a position spaced from the side face of the waveguide; and a third current blocking layer formed on the first and second current blocking layers, wherein ηg>η1, ηg>η2, and ηg<η3 are satisfied where η1, η2, η3, and ηg are respectively the heat expansion coefficients of the first, second, and third current blocking layers and gallium nitride. | 2010-11-18 |
20100290497 | WAVEGUIDE DEVICE HAVING DELTA DOPED ACTIVE REGION - Embodiments of the invention include a laser structure having a delta doped active region for improved carrier confinement. The laser structure includes an n-type cladding layer, an n-type waveguide layer formed adjacent the n-type cladding layer, an active region formed adjacent the n-type waveguide layer, a p-type waveguide layer formed adjacent the active region, and a p-type cladding layer formed adjacent the p-type waveguide layer. The laser structure is configured so that a p-type dopant concentration increases across the active region from the n-type side of the active region to the p-type side of the active region and/or an n-type dopant concentration decreases across the active region from the n-type side of the active region to the p-type side of the active region. The delta doped active region provides improved carrier confinement, while eliminating the need for blocking layers, thereby reducing stress on the active region caused thereby. | 2010-11-18 |
20100290498 | SEMICONDUCTOR LASER DEVICE AND DISPLAY - A semiconductor laser device capable of flexibly coping even with a case where a large output power difference is required between a plurality of laser elements having different lasing wavelengths when reproducing white light is obtained. This semiconductor laser device ( | 2010-11-18 |
20100290499 | ELECTRIC HEATING DEVICE - Electric heating device comprising a radiant tube and an electrical heating element arranged in the radiant tube as well as a protective insert of electrically conductive material. The protective insert is arranged between the radiant tube and the electrical heating element. The device allows the use of higher element power. | 2010-11-18 |
20100290500 | METHOD FOR CALIBRATING A PYROMETER, METHOD FOR DETERMINING THE TEMPERATURE OF A SEMICONDUCTING WAFER AND SYSTEM FOR DETERMINING THE TEMPERATURE OF A SEMICONDUCTING WAFER - The present invention relates to a method for calibrating a pyrometer, a method for determining the temperature of a semiconducting wafer and a system for determining the temperature of a semiconducting wafer. | 2010-11-18 |
20100290501 | NANOCALORIMETER BASED ON THERMAL PROBES - A nanocalorimeter includes a merging layer having, a drop placement area for holding drops to be merged and a thermal equilibration area. A measurement layer includes a substrate, and a temperature probe on the substrate, wherein the temperature probe extends out of the surface of the substrate to come into operative contact with the thermal equilibration area when the measurement layer is placed in operative association with the merging layer. The nanocalorimeter is configured to have the merging layer and the measurement layer non-integrated, making the measurement layer reusable. | 2010-11-18 |
20100290502 | METHOD OF MEASURING THE INTERNAL SURFACE TEMPERATURE OF A PIPE AND ASSOCIATED DEVICE - A method of and associated device for measuring temperature of an internal surface of a pipe, including: a) at least one temperature-sensitive element that is moved away from a probe, radially with respect to the fore-and-aft axis of the pipe, so as to bring the temperature-sensitive element(s) into contact against the internal surface of the pipe, b) wherein the contact force applied between the sensitive element(s) of the probe and the internal surface is increased until the contact force reaches a defined value at any point on the surface. | 2010-11-18 |
20100290503 | Ultra-High Temperature Distributed Wireless Sensors - A passive wireless sensor is disclosed. The sensor has at least a measurand sensitive member and an electromagnetically resonant member positioned proximate to each other. The resonant member comprises a preselected resonance frequency, such that it scatters at least a portion of an interrogating signal as a scattered signal proximate to its resonance frequency, and the measurand sensitive member alters the scattered signal as a function of the measurand to change the shape of the scattered signal. The reactive field of the sensor is kept within the sensor to minimize environment interference and to maximize its signal strength. Almost bond-free packaging mitigates problems with delamination or internal stresses due to differing coefficients of thermal expansion. | 2010-11-18 |
20100290504 | POSITION INFORMATION PROVIDING SYSTEM INDOOR TRANSMITTER AND METHOD FOR PROVIDING POSITION INFORMATION - It is intended to provide position information in a location where it is difficult for radio waves to penetrate. An indoor transmitter is capable of programmably changing a format of a transmitter signal. A process to be performed by a position information providing apparatus comprises the step (S | 2010-11-18 |
20100290505 | CODE CONVERTING APPARATUS, RECEIVER, AND CODE CONVERTING METHOD - A code converting apparatus is designed to estimate the incoming time and the like of a signal modulated by a spreading sequence composed of m elements in a set A having n kinds of symbols as elements accurately. A symbol sequence memory section | 2010-11-18 |
20100290506 | SPREADING CODE ACQUISITION FOR DIRECT SEQUENCE SPREAD SPECTRUM SIGNALS - The invention relates to a method and apparatus for acquiring a complex spreading code of a direct sequence spread spectrum signal (DSSS) by acquiring a state of a spreading code generator capable of generating the complex spreading code. A sequence of bipolar differential product values, which sign is independent on data transmitted by the DSSS signal, is obtained by combining in-phase and quadrature samples of the DSSS signal for adjacent chip intervals. This sequence is provided to a linear block decoder for obtaining a codeword of a linear block code, which is defined by a structure of the spreading generator and the differential product operation. The codeword is used to compute the state of the spreading code generator. | 2010-11-18 |
20100290507 | System and method for scrambling the phase of the carriers in a multicarrier communications system - A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal based on the value associated with that carrier signal. The value is determined independently of any input bit value carried by that carrier signal. The phase shift computed for each carrier signal is combined with the phase characteristic of that carrier signal so as to substantially scramble the phase characteristic of the carrier signals. Bits of an input signal are modulated onto the carrier signals having the substantially scrambled phase characteristic to produce a transmission signal with a reduced PAR. | 2010-11-18 |
20100290508 | Implementing Single Line Asynchronous Dual Watchdog Communication for ESD Immunity - A method and dual watchdog communication circuit for implementing single line asynchronous dual watchdog communication for electrostatic discharge (ESD) immunity, and a design structure on which the subject circuit resides are provided. The dual watchdog communication circuit includes a source transceiver module and a sink transceiver module connected together by a single line, each of the source transceiver module and the sink transceiver module uses a coded pulse for the single line asynchronous dual watchdog communication. | 2010-11-18 |
20100290509 | System and Method for Efficient Half Duplex Transceiver Operation in a Packet-Based Wireless Communication System - Systems and methods for providing half duplex user equipment in a packet based radio frequency signaling communication system. User equipment with half duplex receiver and half duplex transmitter on IC providing a transceiver capability performs a cycle of receiving downlink messages for a predetermined number of sub frames, shifting to a transmit mode, transmitting uplink messages for the predetermined number of sub frames, shifting to a receive mode, and repeating the cycle of half duplex sub frames. A discontinuous reception function performs a DRX protocol wherein power is reduced to the transceiver for a period of time. A determination is made at the end of the discontinuous reception period to see if the half duplex cycle is at an uplink sub frame; if so, the end of the discontinuous reception is shifted by the user equipment to a downlink sub frame by adding a delay. | 2010-11-18 |
20100290510 | MULTIMODE MULTICARRIER MODEM SYSTEM AND METHOD OF COMMUNICATION OVER THE SAME - An alternative approach to coping with the ever increasing demand for faster communications hardware is to design modems that are capable of operating its speeds at a higher data rate than a speed required for a single port of the standard communication rate for that modem. Basically, by utilizing a resource manager, that directs the data in and out of the various portions of the modem in an orderly manner, keeping track of which of the ports is being operated at any given point in time, a standard single port modem can be reconfigured, for example, at an over clocked rate, to manipulate the data input and output of a modem. | 2010-11-18 |
20100290511 | ADAPTIVE FREQUENCY SELECTIVE BASEBAND COMMUNICATIONS METHOD USING ORTHOGONAL CODES - An adaptive frequency selective baseband communications method using orthogonal codes includes: a communications testing step of performing communications by using one of a plurality of codes each having a different frequency band; a proper code selecting step of selecting a proper code by using a correlation value of a plurality of codes included in test data transmitted in the communications testing step; a communications performing step of performing communications by using the proper code; and a feedback step of newly selecting a proper code by using the correlation value of the plurality of codes included in the test data transmitted in the communications performing step if a pre-set time duration has lapsed or if a reception error of more than a pre-set reference occurs, and performing the communications performing step again, wherein the test data transmitted in the communications testing step and the communications performing step includes a plurality of codes each having a different frequency band. | 2010-11-18 |
20100290512 | ESTIMATING BIT ERROR PROBABILITY (BEP) IN AN EDGE WIRELESS SYSTEM - Distribution parameter mapping determines the bit error probability (BEP) of a burst transmitted from a base station to the mobile station using a modulation and coding scheme (MCS) specified in the EDGE standard. Depending on whether the multi-bit soft decisions of the burst most resemble a Gaussian or a Rician distribution, the statistical parameters μ and σ or A and u are determined The ratio μ/σ or A/σ is mapped to an empirically determined BEP in a Gaussian or Rician lookup table, respectively. The BEPs are not influenced by the degree of code redundancy in the MCS. The BEPs for the four bursts in a radio block are then averaged, filtered and quantized according to the EDGE standard. The quantization level of the average BEP is reported to the base station so that subsequent radio blocks can be transmitted using an MCS that is appropriate for the estimated BEP. | 2010-11-18 |
20100290513 | METHOD AND APPARATUS FOR INTEGRAL STATE INITIALIZATION AND QUALITY OF LOCK MONITORING IN A CLOCK AND DATA RECOVERY SYSTEM - Methods and apparatus are provided for improving the performance of second order CDR systems. The integral state of the CDR system is initialized to a value that is based on an expected frequency profile that may be known a priori for certain applications. One or more quality of lock (QOL) metrics are also monitored that are derived from the integral register state value. A quality of a locking between a received signal and a local clock generated by a Clock and Data Recovery (CDR) system is evaluated by monitoring a state value of an integral register in a digital loop filter of the CDR system; evaluating one or more predefined criteria based on the integral register state value; and identifying a poor lock condition if the one or more predefined criteria are not satisfied. | 2010-11-18 |
20100290514 | Systems and Methods that Provide Frequency Domain Supplemental Training of the Time Domain Equalizer for DMT - Using a known or later developed time domain equalizer coefficient training algorithm, a least square solution for the time domain equalizer coefficients is taken at a starting point and iteratively improved on. In particular, the improvement is directed towards maximizing number of bits per frame loaded over the time domain equalizer coefficient choice. This can be accomplished by maximizing capacity directly rather than setting a goal to shorten the channel and hoping that the capacity will be maximized as a result. | 2010-11-18 |
20100290515 | Multi-Band Gain Adaptation for Receiver Equalization Using Approximate Frequency Separation - A receiver comprises equalization circuitry implementing at least first and second gain adaptation loops associated with respective first and second frequency bands. The equalization circuitry in one aspect is operative to identify a pattern in a portion of a received serial data stream, and to perform gain adaptation for the receiver utilizing a particular one of the gain adaptation loops responsive to the identified pattern. For example, the gain adaptation may be performed utilizing a low frequency gain adaptation loop if the detected pattern is of a first type generally associated with a low frequency band, and may be performed utilizing a high frequency gain adaptation loop if the detected pattern is of a second type generally associated with a high frequency band. In other aspects, the first and second gain adaptation loops may be activated in a particular serial order or in parallel. | 2010-11-18 |
20100290516 | PULSE EDGE MODULATION - Systems and methods for the pulse edge modulation of digital carrier signals for communications systems which are useful in body implanted electronics. A digital carrier signal is generated and the carrier is pulse edge modulated with digital data. A pulse edge modulated signal is generated by either retarding or advancing each pulse edge of a carrier to be modulated relative to its original position in time, depending on the state of the digital bit to be modulated on that edge. | 2010-11-18 |
20100290517 | PULSE EDGE DEMODULATION - Systems and methods for the demodulation of pulse edge modulated signals for communications systems which are useful in body implanted electronics. A pulse edge modulated signal is generated by retarding or advancing each pulse edge of a carrier to be modulated relative to its original position in time, depending on the state of the digital bit to be modulated on that edge. Each modulated edge of a pulse edge modulated signal is demodulated by determining the position in time of the modulated edge relative to the original respective position of the modulated edge prior to modulation. | 2010-11-18 |
20100290518 | Multi-view image coding apparatus and method - A multi-view image coding apparatus and method are provided. The multi-view image coding apparatus may extract geometric information from a plurality of cameras, may construct a spatial prediction structure to enable a correlation of each view to be maximum using the geometric information, and thereby may code and transmit a multi-view image. | 2010-11-18 |
20100290519 | APPARATUS AND METHOD FOR SUPPORTING SCALABILITY TECHNIQUE IN VIDEO COMMUNICATION SYSTEM - Provided are an apparatus and method for supporting a scalability technique in a video communication system. The apparatus includes: a communication unit, disposed in a modem chip, receiving an enhanced layer bit string and a basic layer bit string of a video for video communication; a second video decoder, disposed in the modem chip, restoring low resolution video data from the basic layer bit string; a first decoder, disposed in a PDA chip, restoring high resolution video data from the low resolution video data and the enhanced layer bit string; and a control unit providing the low resolution video data to the first video decoder. | 2010-11-18 |
20100290520 | SELECTING TRANSFORMS FOR COMPRESSING VISUAL DATA - Encoding data includes: computing a first set of coefficients based on a plurality of transforms each computed over a different portion of an array of data, and a second set of coefficients based on a transform computed over the array of data; choosing a set of coefficients to represent the array of data from a group of multiple sets of coefficients, the group including the first set of coefficients and the second set of coefficients; and encoding the chosen coefficients and one or more parameters related to the chosen coefficients. | 2010-11-18 |
20100290521 | Method and Device For Selecting Best Mode Of Intra Predictive Coding For Video Coding - A method for selecting the best mode of intra prediction coding for video coding applied in video coding and decoding field is provided. The method includes: constructing a rate distortion cost function based on an estimated rate to be encoded; computing the rate distortion costs for all predictive modes by using the constructed function, and selecting the predictive mode with the minimum rate distortion cost as the best mode of intra prediction coding according to the computing result. Accordingly, a device for selecting the best mode of intra prediction coding for video coding is provided. By the method, the selected mode is closer to the best mode selected by original rate distortion optimization model, thereby the need to code every block actually in the process of rate distortion optimization is effectively avoided. | 2010-11-18 |
20100290522 | IMAGE TRANSMISSION METHOD AND IMAGE TRANSMITTER - The control unit verifies whether or not the coded data of one frame has been transmitted within each frame period. When it hasn't, the control unit increases the compression ratio of a compression unit. When the coded data of one frame has been transmitted, the control unit compares the amount of coded data against a first and a second threshold value. When the amount of coded data is greater than or equal o the first threshold value, the control unit increases the compression ratio of the compression unit. When it is less than or equal to the second thresh hold, the control unit lowers the compression ratio of the compression unit. | 2010-11-18 |
20100290523 | MOVING IMAGE ENCODING METHOD AND APPARATUS - A moving image encoding method of encoding a moving image while switching between variable-length encoding schemes. In this method, a continuous unit to be continuously reproduced is determined (S | 2010-11-18 |
20100290524 | Method and apparatus for joint quantization parameter adjustment - The present principles provides a method and apparatus for jointly adjusting the rounding offset and the quantization step size on a macroblock level to improve the perceptual quality of the fine details of the encoded image. In one implementation, the content of the pictures is analyzed and the smooth regions are identified. A quantization step size value for the picture is initially defined and a rounding offset is adaptively assigned to each macroblock based on the content characteristics. The quantization step size is then calculated for the a particular macroblock according to another content characteristic of the macroblock such that the encoding of the particular macroblock is performed in response to the calculated quantization step size and the rounding offset value of the first block. | 2010-11-18 |
20100290525 | METHOD AND APPARATUS FOR ENCODING AND DECODING AT LEAST ONE IMAGE FRAME THAT IS ARTIFICIALLY INSERTED INTO IMAGE SEQUENCE - Provided are a method and apparatus for encoding and decoding at least one image frame artificially inserted by a user among a plurality of image frames of an image sequence by using a parameter regarding characteristics of the image frame. | 2010-11-18 |
20100290526 | Selecting Encoding Types and Predictive Modes for Encoding Video Data - In some embodiments, a method of determining encoding type and predictive mode(s) selections for a macroblock of a video frame is provided. In some embodiments, a general method 1) selects the encoding type (16×16 or 4×4) that is initially considered for a macroblock using an encoding type selection algorithm (based on an attribute of the macroblock that is easy to compute), 2) if the 16×16 encoding type is selected in step 1, consider the four 16×16 prediction modes that may be used on the macroblock using conventional methods or an improved 16×16 predictive mode search algorithm based on distortion thresholds, and 3) if the 4×4 encoding type is selected in step 1, select the 4×4 prediction mode to be used for each of the sixteen 4×4 blocks of the macroblock using conventional methods or an improved 4×4 predictive mode search algorithm based on the positional relationships between predictive modes. | 2010-11-18 |
20100290527 | METHOD AND APPARATUS OF PROCESSING A VIDEO SIGNAL - The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a bock type of the current macroblock based on the block type identification information, obtaining an intra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block. | 2010-11-18 |
20100290528 | REAL-TIME VIDEO IMAGE PROCESSING - A video processing device includes a video preprocessor and a video processor. The video processor is configured to facilitate inputting preprocessed digital video data ready for further processing by an encoder or a transcoder, compressing the preprocessed digital video data to form compressed digital video data, and outputting the compressed digital video data. The video preprocessor operable to receive digital video raw data, configured to facilitate preprocessing a macroblock of the digital video raw data so as to output the preprocessed digital video data ready for an encoder or transcoder of the video processor when the macroblock does not indicate SKIP, and not preprocessing the macroblock of the digital video raw data when the macroblock is a SKIP macroblock indicating SKIP, but jumping to process the SKIP macroblock by an entropy encoder of the video processor instead. | 2010-11-18 |
20100290529 | REAL-TIME SUPERRESOLUTION AND VIDEO TRANSMISSION - A method and system of performing real-time video superresolution. A decoder receives a data stream representing a low resolution video and including global motion vectors relating to image motion between frames of the low resolution video. The decoder uses the global motion vectors from the received data stream and multiframe processing algorithms to derive a high resolution video from the low resolution video. The sharpness of the high resolution video may be enhanced. | 2010-11-18 |
20100290530 | MOTION VECTOR PROCESSING - This disclosure describes techniques for processing motion vectors such that the resulting motion vectors better correlate with the true motion of a video frame. In one example, the techniques may include comparing a block motion vector corresponding to a video block to a sub-block motion vector corresponding to a sub-block contained within the video block. The techniques may further include selecting one of the block motion vector and the sub-block motion vector as a spatially-estimated motion vector for the sub-block based on the comparison. Motion vectors that better correlate with true motion may be useful in applications such as motion compensated frame interpolation (MCI), moving object tracking, error concealment, or other video post-processing that requires the true motion information. | 2010-11-18 |
20100290531 | METHOD AND DEVICE FOR CODING A VIDEO SEQUENCE - To code a video sequence, the similarity is calculated ( | 2010-11-18 |
20100290532 | MOVING IMAGE ENCODER AND MOVING IMAGE DECODER - A moving image encoder includes a luminance variation detection/compensation section ( | 2010-11-18 |
20100290533 | ENCODERS, DECODERS, CODECS AND SYSTEMS AND PROCESSES FOR THEIR OPERATION AND MANUFACTURE - A block encode circuit ( | 2010-11-18 |
20100290534 | Video Encoding Using Pixel Decimation - A method of video encoding comprising receiving an image, selecting a macroblock in the image, determining a best intra encoding mode for the macroblock, determining a pixel direction from the determined best encoding intra mode, and selecting a pixel decimation pattern according to the determined pixel direction. | 2010-11-18 |
20100290535 | Specification method and apparatus for coding and decoding - A coding method, a decoding method, a coding apparatus, and a decoding apparatus are disclosed herein. A coding method includes: obtaining a value of each sample of an input data frame; determining pulse samples and non-pulse samples in the input data frame according to the distribution of values of samples of the input data frame; encoding the determined pulse samples in the input data frame in a first coding mode to obtain a first data stream; encoding the determined non-pulse samples in the input data frame in a second coding mode to obtain a second data stream; and multiplexing the first data stream and the second data stream to obtain an output coded data stream of the input data frame. Compared with the prior art, the technical solution under the present disclosure reduces the number of bits required for encoding the entire data frame is reduced, and improves the compression efficiency of the data frame with a wide dynamic range. | 2010-11-18 |
20100290536 | MOVING IMAGE TRANSMISSION/RECEPTION SYSTEM - An image transmission device ( | 2010-11-18 |
20100290537 | DYNAMIC IMAGE STREAM PROCESSING METHOD AND DEVICE, AND DYNAMIC IMAGE REPRODUCTION DEVICE AND DYNAMIC IMAGE DISTRIBUTION DEVICE USING THE SAME - There are included: an extraction unit that extracts a first bit stream of a picture that is decodable by itself and a second bit stream of a picture whose image data part is decodable by itself but a part other than the image data part is not decodable by itself from a coded bit stream of a moving image; and a conversion unit that converts the second bit stream extracted by the extraction unit into a third bit stream of a picture that is decodable by itself, the first bit stream of the picture extracted by the extraction unit and the third bit stream being arranged and output in order of extraction or in reverse order to that of extraction. | 2010-11-18 |
20100290538 | VIDEO CONTENTS GENERATION DEVICE AND COMPUTER PROGRAM THEREFOR - A video contents generation device generates video contents smoothly connecting a series of poses of a human skeleton in conformity with the music with the reduced amount of calculation. The video contents generation device is constituted of a motion analysis unit detecting motion features from motion data representing motion segments of poses, a database storing motion data in connection with subclassification (e.g. genres and tempos), a music analysis unit detecting music features from music data representing the music subjected to the video contents generating procedure, a synchronization unit generating the synchronization information for establishing the correspondence between motion data and music data based on motion features suited to music features, and a video data generation unit generating video data synchronized with music data based on the synchronization information. | 2010-11-18 |
20100290539 | INTERFACE CIRCUIT - A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit. | 2010-11-18 |
20100290540 | INTERFACE CIRCUIT - A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit. | 2010-11-18 |
20100290541 | INTERFACE CIRCUIT - A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit. | 2010-11-18 |
20100290542 | System for Providing Power and Data Transmission Between a Door and a Frame - A system for providing wire-free and contact free electric power and communication connection in a security installation between a door and a frame. The cores, windings, and control circuits of first and second portions of a split core transformer are disposed in the frame and the door, respectively. Power applied to the first portion induces a voltage and current in the second portion when the door is in a closed position. Modulation of the voltage amplitude in either the first or second portion defines a communication signal between the door and the frame. Status and data are transmitted at data rates that are essentially twice the frequency of the voltage applied to the split core transformer. In a second embodiment, voltage transfer occurs at 20 KHz and data transfer is in the range of 100K baud. | 2010-11-18 |
20100290543 | RADIO TRANSMITTING APPARATUS, RADIO RECEIVING APPARATUS, AND DATA PLACING METHOD - A radio transmitting apparatus wherein when both a first data and a second data, which has a greater importance than the first data, are placed in a single block, the BER characteristic of the second data can be well maintained. In this apparatus, a modulating part ( | 2010-11-18 |
20100290544 | BASE STATION, MOBILE STATION AND METHOD - A single carrier scheme is used in an uplink in the mobile communication system. A base station used in the mobile communication system includes: means configured to perform communication with a mobile station that uses the whole or a part of a system frequency band; storage means configured to store correspondence relationship between radio parameters including a bandwidth, a modulation scheme and a channel coding rate of the uplink and filter parameters including at least a roll-off factor of a band limitation filter; and determination means configured to determine radio parameters and filter parameters for each mobile station based on the correspondence relationship according to channel state of the uplink. The radio parameters and the filter parameters determined in the determination means are reported to the mobile station. | 2010-11-18 |
20100290545 | OFDM TRANSMISSION/RECEPTION DEVICE FOR TRANSMITTING AND RECEIVING OFDM SYMBOLS HAVING A VARIABLE DATA TRANSMISSION RATE AND METHOD THEREOF - An orthogonal frequency division multiplexing (OFDM) transmission device transmits OFDM symbols to at least one reception device and includes an OFDM transmission processing unit which generates a plurality of OFDM symbols; a pilot insertion unit which inserts pilot tones into each of the plurality of OFDM symbols; and a control unit which controls the pilot insertion unit to insert the pilot tones according to a pilot insertion pattern which is selected to correspond to a communication environment from among a plurality of pilot insertion patterns. | 2010-11-18 |
20100290546 | SYSTEMS AND METHODS FOR DESIGNING A REFERENCE SIGNAL TO BE TRANSMITTED IN A MULTIPLEXED CELLULAR SYSTEM - A method of the present invention for designing a reference signal is a method for designing a reference signal, including: setting a first set of matrices by combining a plurality of first matrices each including a plurality of sequences; dividing the first set of matrices into a plurality of subsets each including at least one first matrix, and selecting at least one sequence from each of the plurality of subsets; and combining the selected sequences so as to generate a second matrix. | 2010-11-18 |
20100290547 | GENERATING CHANNEL ESTIMATES IN A RADIO RECEIVER - A method and system for generating channel estimates for processing signals received through first and second transmission channels in a wireless communications network, each channel corresponding to a separate transmit antenna, and each signal comprising a plurality of samples derived from symbols transmitted in the signal by: generating first variable z1 (k) and second variable z2 (k); and providing a set of filter coefficients (I) and generating first and second channel estimates using first and second variables and a set of filter coefficients. | 2010-11-18 |
20100290548 | WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD - When power scaling is applied to multi-user MIMO, a reduction in transmission rate is suppressed and transmission efficiency is improved. When signals are transmitted through spatial multiplexing from a wireless base station | 2010-11-18 |
20100290549 | Method, System and Apparatus for Improving Throughput Performance of Space Division Multiple Access System - A method, a system, and an apparatus for improving throughput performance of an SDMA system are disclosed herein. The method includes BTS receiving feedback information sent by a UE, where the feedback information comprises an ID of a preferred beam of the UE in a pre-coding codebook, information related to a channel vector modulus value, and information about phase difference between a channel vector and the preferred beam of the UE, and the BTS using a set estimation algorithm to estimate sum throughputs supported by a current SDMA system in each sending mode according to the received feedback information and information about space correlation between multiple antennas of the BTS, selecting a maximum sum throughput among the estimated sum throughputs, and using the sending mode corresponding to this sum throughput to send data. The method, system, and apparatus provided herein improve transmitting performance of the SDMA system. | 2010-11-18 |
20100290550 | METHOD, A TRANSMITTING STATION, A RECEIVING STATION AND A PREAMBLE STRUCTURE FOR COMMUNICATING A SIGNAL USING ANALOG BEAM STEERING - The present invention relates to a method for communicating a signal to a first station from a second station, the stations having antenna array. For communication in bands like 60 GHz, it is advisable to carry out analog beam steering. But it is needed to compute all the beam forming weights in a single message. Then, the invention-proposes that for each signal, in the preamble, a plurality of training symbols are included, wherein during each training symbol repetition, the receiving station adjusts at least one antenna parameter of the plurality of antennas and measuring the combined signal for computing a set of antenna weights to be applied for an analog beam forming on the antenna array for receiving and/or transmitting the data field. | 2010-11-18 |
20100290551 | METHOD, APPARATUS AND SYSTEM FOR HIGH-SPEED TRANSMISSION ON FIBER OPTIC CHANNEL - Multi-carrier modulation fiber optic systems constructed using a series of electrical carriers, modulating the data on the electrical carriers and combining the carriers to form a wideband signal. The wideband signal can then be intensity modulated on a laser and coupled to a fiber optic channel. A receiver may then receive the laser signal from the fiber optic channel and convert it into an electrical signal. Multi-carrier modulation may be applied to existing fiber channels, which may be of lower quality. Existing fiber channels may have characteristics which prevent or restrict the transmission of data using intensity modulation at certain frequencies. An adaptive multi-carrier modulation transmitter may characterize an existing fiber optic channel and ascertain the overall characteristics of the channel. The transmitter and receiver can then be configured to use various bandwidths and various modulations in order to match the transfer characteristic of the fiber channel. A series of adaptive multi-carrier modulation transmitters and receivers can be integrated on a single integrated circuit. If multiple adaptive receivers and transmitters are integrated on a single integrated circuit, they may be used to upgrade existing networks by adding different wavelength lasers for the transmission of data in order to achieve any capacity desired. Each receiver and transmitter may characterize the fiber for its particular wavelength laser and may configure the modulation and bandpass to the fiber's characteristics. | 2010-11-18 |
20100290552 | WIRELESS COMMUNICATION SYSTEM, RECEIVER, TRANSMITTER, WIRELESS COMMUNICATION METHOD, RECEIVING METHOD, AND TRANSMITTING METHOD - A system that combines MIMO spatial multiplexing and dual polarization transmission is provided. The system is constructed with a simple circuit configuration, whereby a wireless communication system which accurately demodulates signals that are multiplexed doubly, both spatially and in polarization, is provided. The wireless communication system is a MIMO communication system that uses a plurality of antennas to form a plurality of fixed transmission channels, and includes a transmitting section and a receiving section. The transmitting section performs MIMO spatial multiplexing as well as dual polarization transmission of transmitting two independent signals in the same band by using two mutually orthogonal polarizations of radio waves as signals to be transmitted from respective antennas on a transmitting side. The receiving section includes an inference canceller and a MIMO signal processing circuit that is connected to the interference canceller. The interference canceller performs signal processing for eliminating an interference component between the polarizations by adaptive control on signals received by respective antennas on a receiving side. The MIMO signal processing circuit performs signal processing for MIMO spatial demultiplexing independent of the signal processing of the interference canceller. | 2010-11-18 |
20100290553 | Probability Based MIMO Mode Selection and Switching System and Method for Wireless Systems - In an embodiment, a method for determining a MIMO mode for a wireless communication system includes providing input parameters, an electronic device determining a probability of each MIMO mode being a dominant MIMO mode; and selecting the MIMO mode based on the determining. | 2010-11-18 |
20100290554 | Single Carrier Waveform System with Frequency Domain Equalization - A communications system includes one or more antennas and a receiver coupled to the one or more antennas. The one or more antennas are operable to receive a signal transmitted from a transmitter. The receiver includes a combiner that is operable to combine the signals received by the one or more antennas into a combined signal. The signal received by the receiver is a single-carrier waveform comprising a signal field and one or more data fields after the signal field. The signal field indicates a modulation technique of the one or more data fields. The one or more data fields include a first short unique word, a data payload after the second short unique word, and a second short unique word after the data payload. | 2010-11-18 |
20100290555 | SIGNAL EMISSION BY PLURAL ANTENNAS - A radio communication emitter includes at least two antennas for emitting a signal including encoded bits that are converted into symbols distributed on subcarriers and in time intervals. The emitter includes a signal divider for distributing the set of the signal symbols into as many disjoined subsets of signal symbols as the antennas that the emitter comprises. Each subset is dedicated to one of the antennas. The union of the subsets is the set of the signal symbols. Symbols are distributed in at least two subsets for at least one time interval or for at least one subcarrier of the signal. The antennas synchronously emit the symbol subsets. The symbol subsets can comprise a substantially identical number of symbols to reduce a deviation between the power peaks and the average power of the signal emitted by each antenna. | 2010-11-18 |
20100290556 | RADIO SIGNAL TRANSMISSION DEVICE, RADIO SIGNAL TRANSMISSION METHOD, RADIO SIGNAL RECEPTION DEVICE, RADIO SIGNAL RECEPTION METHOD, AND RADIO SIGNAL RECEPTION PROGRAM - To provide a radio signal reception device which can reduce a process delay and reduce a buffering capacity and a power consumption. Specifically, the radio signal reception device includes: a demapping unit which extracts a sub frame from a received radio signal, judges whether a first OFDM symbol existing at the head of the sub frame and forming a control channel contains information on a signal destined to a reception device contained in a data channel, and if yes, outputs a plurality of OFDM symbols; and a decoding unit which decodes the OFDM symbols which has been outputted from the demapping unit. If the first OFDM symbol contains no information on the signal destined to the reception device, the demapping unit terminates the sub frame reception processing. | 2010-11-18 |
20100290557 | METHOD OF TRANSMITTING REFERENCE SIGNAL AND TRANSMITTER USING THE SAME - A method and apparatus of transmitting a reference signal in a wireless communication system is provided. A reference signal sequence is generated by using a pseudo-random sequence. A portion or entirety of the reference signal sequence is mapped to at least one resource block and is transmitted. The pseudo-random sequence is generated by a gold sequence generator which is initialized with initial values obtained by using cell identifier. The reference signal provides low PAPR and high cross correlation characteristic. | 2010-11-18 |
20100290558 | SYSTEMS AND METHODS FOR IMPLEMENTING RECEIVER TRANSPARENT Q-MODE - In a receiver transparent Q-mode, i.e., a Q-mode that is only implemented by a transmitter, the receiver is unaware of the Q-mode state of the transmitter. In this type of Q-mode configuration, the transmitter could enter and exit Q-mode as desired while the receiver, could, for example, continue to function as if operating normally, such as in “showtime.” Through this approach, it is not necessary for the receiver to detect the transmitter's entry and exit of Q-mode. | 2010-11-18 |
20100290559 | RADIO TRANSMITTING DEVICE AND RADIO TRANSMITTING METHOD - A radio transmitting device and method enables reduction of an increase of CGI memories for the control channel and an improvement of the throughput of the data channel. When multiplex transmission through the control channel and the data channel is carried out and when adaptive modulation is applied to both channels, an MCS selecting section ( | 2010-11-18 |
20100290560 | Digital Broadcast Service Discovery Correlation - Aspects of the invention are directed to service and channel discovery in a digital broadcast network. A pilot synchronization symbol, which has known characteristics, is included as a first symbol of digital broadcast frames. The pilot symbol, which can be decoded without having to resort to trial and error methods, contains parameters for the rest of the signal. In another aspect of the invention, at least two pilot symbols may be defined and used at the beginning of each frame. The at least two pilot symbols P1 and P2 may enable fast channel search and service discovery within the frame. Signaling may be realized as a combination of L1 and L2 signaling. | 2010-11-18 |
20100290561 | APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL AND METHOD FOR TRANSMITTING AND RECEIVING A SIGNAL - A method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are disclosed. The method includes receiving the signal from a first frequency band in a signal frame including at least one frequency band, demodulating the received signal by an orthogonal frequency division multiplexing (OFDM) method and parsing the signal frame, acquiring a symbol stream of a service stream from the at least one frequency band included in the parsed signal frame, demapping symbols included in the symbol stream and outputting the demapped symbols to sub streams, multiplexing the output sub streams and outputting one bit stream, and deinterleaving and error-correction-decoding the output bit stream. | 2010-11-18 |
20100290562 | Digital Compensation for Nonlinearities in a Polar Transmitter - A polar transmitter includes a digital processor coupled to receive a complex modulated digital signal and a feedback signal produced from the complex modulated digital signal and that is operable to compare the complex modulated digital signal to the feedback signal to determine an error signal indicative of a difference between the complex modulated digital signal and the feedback signal. The digital processor is further operable to produce a correction signal from the error signal and to add the correction signal to the complex modulated digital signal to produce a corrected complex modulated digital signal. | 2010-11-18 |
20100290563 | Hybrid Radio Frequency Transmitter - A hybrid transmitter includes first and second up-conversion modules, a combining module, and a power amplifier circuit. The first up-conversion module is operably coupled to generate a first up-conversion signal based on a normalized in-phase (I) symbol, an in-phase local oscillation, and phase or frequency information. The second up-conversion module is operably coupled to generate a second up-conversion signal based on a normalized quadrature (Q) symbol, a quadrature local oscillation, and the phase or frequency information. The combining module is operably coupled to combine the first and second up-conversion signals to produce a radio frequency (RF) signal. The power amplifier circuit is operably coupled to adjust amplitude of the RF signal based on amplitude information to produce an amplitude and phase modulated RF signal. | 2010-11-18 |
20100290564 | RECEPTION DEVICE AND RECEPTION METHOD - A reception device includes a replica signal generating unit which generates a replica signal which is a replica of a transmitted signal based on a received signal, a time period setting unit which sets a plurality of time periods which time period of the received signal is divided into based on a received power of the received signal, an arrival wave removing unit which removes an arrival waves from the received signal for each time period set by the time period setting unit using the replica signal generated by the replica signal generating unit, a combining unit which combines the signals that the arrival waves are removed by the arrival wave removing unit from the received signal for each time periods set by the time period setting unit; and a demodulation processing unit which performs a demodulation process for the signal combined by the combining unit. | 2010-11-18 |
20100290565 | CONSTELLATION RECOVERY FOR QUADRATURE AMPLITUDE MODULATION - Methods and apparatus are provided for receiving an input signal. In an embodiment of the invention a current candidate QAM constellation can be selected. A mean squared error of a signal responsive to the input signal can be computed based on the current candidate QAM constellation. The computed mean squared error can be compared to a threshold error value. The invention advantageously allows for relatively efficient and relatively reliable equalization of signals transmitted with an unknown QAM constellation, and allows for relatively efficient and reliable recovery of the unknown QAM constellation. | 2010-11-18 |
20100290566 | WIRELESS DEVICE - A wireless device is configured so that an RF-IC unit calculates a difference value between IQ data received by an antenna Ant | 2010-11-18 |
20100290567 | PROCESSING METHOD FOR PROVIDING, STARTING FROM SIGNALS ACQUIRED BY A SET OF SENSORS, AN AGGREGATE SIGNAL AND DATA ACQUISITION SYSTEM USING SUCH METHOD - Embodiment for forming an aggregate signal from a plurality of starting signals, comprising: | 2010-11-18 |
20100290568 | DECODING FREQUENCY CHANNELISED SIGNALS - There is disclosed a method and receiver for decoding a data signal from analogue signals received at one or more receiving antennas ( | 2010-11-18 |
20100290569 | POST DFT/FFT TIME TRACKING ALGORITHM FOR OFDM RECEIVERS - A method for time synchronization tracking in an orthogonal frequency division multiplexing (OFDM) receiver is described, the method comprising the steps: obtaining a DFT output vector; determining a sample timing offset indication using reference symbols that are extracted from the DFT output vector; and adapting the OFDM symbol timing using said determined indication. In order to provide an improved post-DFT algorithm for estimating a time tracking error in OFDM receivers such as to allow an effective time tracking even in single frequency networks, and more particular to devise a time tracking algorithm for OFDM receivers that supports longer channel impulse responses without causing inter-symbol interference, said determining step comprises the steps of: (a) estimating ( | 2010-11-18 |
20100290570 | METHOD AND APPARATUS FOR CHANNEL ESTIMATION IN OFDM - The present invention relates to methods that can be used in a wireless communication system, and systems adapted to use such methods. In a preferred form the methods are useful in channel estimation in a wireless communication system using orthogonal frequency division multiplexing (OFDM). The system is provided with a control block to optimise channel estimation. | 2010-11-18 |
20100290571 | Inter-device adaptable interfacing clock skewing - Inter-device adaptable interfacing clock skewing. The invention is operable in either one of both of a transmit mode and a receive mode to perform skewing of a transmitted and/or a received signal. The operational parameters including frequency and phase may be determined during auto detect/auto negotiation, they may be programmed externally, or they may be user selected in various embodiments. A device may include a clock generator, one or more divider, and one or more delay cells internally to the device. If desired, a high frequency clock is generated within the device and then divided down to generate the appropriate clock signal that supports the communication and interaction between multiple devices. Registers and/or pins may be used to select the clock frequency and phase of output clock signals. The present invention supports multiple Ethernet protocols between multiple devices including 10BaseT, 100BaseT, and 1000BaseT. | 2010-11-18 |
20100290572 | NETWORK SYNCHRONIZATION METHOD AND APPARATUS FOR PERFORMING TIME SYNCHRONIZATION BETWEEN NODES - Provided is a network synchronization method and apparatus for performing a time synchronization between nodes. When a system starts up and the time synchronization between the nodes is initiated, the network synchronization method and apparatus may enhance jitter, wander, and a time synchronization performance by gradually increasing a window size for a propagation time measurement. When a full window of propagation time measurements is collected, the network synchronization method and apparatus may enhance jitter, wander, and the time synchronization performance by applying an exponential to a computation of an average propagation time value. | 2010-11-18 |
20100290573 | METHOD AND APPARATUS FOR CLOCK DRIFT COMPENSATION DURING ACQUISITION IN A WIRELESS COMMUNICATION SYSTEM - A method of wireless communication is disclosed that includes receiving a plurality of samples from a transmission of a known sequence; identifying a peak position in the known sequence based on a correlation of the plurality of samples and the known sequence; and adjusting the identified peak position based on an offset. An apparatus for performing the method is also disclosed herein. | 2010-11-18 |
20100290574 | NEUTRON GENERATOR USING COMPRESSED FUSIBLE MATERIAL AND LASER PULSE - To generate neutrons, a nuclei fusible material is placed between opposed anvils of a mechanical pressing device. Force is applied to an anvil face to compress the fusible material to a high pressure. A laser light pulse is then directed through the anvil face and into the compressed fusible material. This laser light pulse is focused by an optical system to a focal spot in the compressed fusible material, to cause a small portion of the compressed fusible material at the focal spot to be further locally compressed and heated to a temperature whereby a micro plasma is formed in which fusing of nuclei takes place. This fusion reaction of the nuclei in the fusible material thus generates neutrons. In a preferred embodiment, the mechanical pressing device is a diamond anvil, and the fusible material is one of deuterium, tritium, or a combination thereof. | 2010-11-18 |
20100290575 | PARTICLE BEAM ISOTOPE GENERATOR APPARATUS, SYSTEM AND METHOD - An isotope generation apparatus is disclosed including: an ion beam source of any of the types described herein; an extractor for extracting the ion beam from the confinement region, where the beam includes a portion of multiply ionized ions in a selected final ionization state; a target including a target material; and an accelerator for accelerating the ion beam and directing the ion beam to the target. The ion beam directed to the target transmutes at least a portion of the target material to a radio-isotope in response to a nuclear reaction between ions in the selected final ion state and atoms of the target material. | 2010-11-18 |
20100290576 | BOILING WATER REACTOR - A boiling water reactor has a reactor pressure vessel and a through piping. The reactor pressure vessel includes a main body trunk and an openable upper lid covering an upper open end of the main body trunk from above. The through piping penetrates lateral side of the main body trunk and has an opening section at a same level with or higher than the upper open end of the main body trunk in the reactor pressure vessel. The through piping may be connected to the sump arranged outside the reactor pressure vessel in the dry well. The through piping may be further connected to the suppression pool in the wet well and/or to the water level gauge in the dry well. | 2010-11-18 |
20100290577 | NUCLEAR REACTOR HAVING EFFICIENT AND HIGHLY STABLE THERMAL TRANSFER FLUID - A pressurized water nuclear reactor (PWNR) | 2010-11-18 |
20100290578 | DEPLOYABLE ELECTRIC ENERGY REACTOR - A nuclear fission reactor device including a core having an array of fissile material and which is capable of being transported to and from the place of operation using conventional transportation vehicles. In a first embodiment, the fissile material is a uranium hydride enriched 15%-to-20% with U-235. In a second embodiment, the fissile material is a uranium oxide enriched to 18% to 20% with U-235. | 2010-11-18 |