50th week of 2009 patent applcation highlights part 31 |
Patent application number | Title | Published |
20090303814 | INTEGRATED CIRCUIT THAT STORES DEFECTIVE MEMORY CELL ADDRESSES - An integrated circuit including an array of memory cells, a circuit, volatile storage, and non-volatile storage. The circuit is configured to detect defective memory cells in the array of memory cells and provide addresses of the defective memory cells. The volatile storage is configured to store the addresses, where each entry in the volatile storage includes one of the addresses and a volatile storage master bit. The non-volatile storage is configured to store the addresses, where each entry in the non-volatile storage includes one of the addresses and a non-volatile storage master bit. | 2009-12-10 |
20090303815 | Apparatus for redundancy reconfiguration of faculty memories - A memory redundancy reconfiguration for N base blocks associated with k redundant blocks. The data will be written into both base blocks and defect-free redundant blocks if the base blocks are defective; k multiplexers MUX | 2009-12-10 |
20090303816 | SEMICONDUCTOR MEMORY APPARATUS AND METHOD OF CONTROLLING REDUNDANCY THEREOF - A semiconductor memory apparatus includes a memory cell array. A redundancy controller that determines whether to activate a redundancy enable signal on the basis of a refresh signal and outputs the redundancy enable signal. A comparator outputs a redundancy selection signal in response to the redundancy enable signal and an address signal. A decoder activates an area corresponding to the redundancy selection signal in the memory cell array. | 2009-12-10 |
20090303817 | LEAKAGE TESTING METHOD FOR DYNAMIC RANDOM ACCESS MEMORY HAVING A RECESS GATE - A leakage testing method for a DRAM having a recess gate is provided. The method includes the steps of: programming to set the first storage unit and the second storage unit of a same memory cell with different storage statuses; and disturbing one of the word lines extending through the memory cells; then determining whether the DRAM is acceptable or not. When another one of the word lines extending through the memory cells is caused with a reading error by disturbing the one of the word lines extending through the memory cells, a failure is determined as occurred, and the failure is attributed to a leakage type of extended depletion region. When the another one of the word lines extending through the memory cells is not caused with a reading error by disturbing the one of the word lines extending through the memory cells, the DRAM is determined as acceptable. | 2009-12-10 |
20090303818 | TEST CIRCUIT DEVICE FOR SEMICONDUCTOR MEMORY APPARATUS - A test circuit device for a semiconductor memory device includes a main word line driving unit that generates a signal that swings between a driving voltage and one of a first voltage and a second voltage in response to a main decoding signal and a test mode signal, a local driving unit that generates a signal that swings between the driving voltage and one of the first voltage and the second voltage in response to a local decoding signal and the test mode signal, a driving voltage supplying unit that receives an output of the local driving unit and the test mode signal to supply a voltage that swings between the driving voltage and the first voltage, and a sub-word line driver that receives an output of the main word line driving unit and an output of the driving voltage supplying unit to determine whether the sub-word line is enabled or not. | 2009-12-10 |
20090303819 | WRITE AND READ ASSIST CIRCUIT FOR SRAM WITH POWER RECYCLING - A memory circuit for reading and writing data into a SRAM memory array using charge recycling is presented. The write and read circuit includes a cell voltage level switch, a recycle charge storage, a precharge switch, a write enable switch, and column decoder. The cell voltage level switch is connected to a low power supply and a high power supply and has two states of operation: a write operation state and a read operation state. For each state of operation, the voltage level switch selectively provides a power supply if a column has been selected or if the operation is a read or write. The recycle charge storage stores excess charge from SRAM cells after a read operation or after a write operation in unselected columns. After the read or write operation, the recycle charge storage discharges excess charge to the bitlines during bitline precharging. | 2009-12-10 |
20090303820 | APPARATUS AND METHOD FOR LOW POWER SENSING IN A MULTI-PORT SRAM USING PRE-DISCHARGED BIT LINES - A method for sensing the contents of a memory cell within a static random access memory (SRAM) includes holding a bit line associated with the memory cell at a zero voltage potential when the memory cell is not being accessed; energizing the bit line to a first voltage potential different than the zero voltage potential during an access of the memory cell; and sensing the memory cell contents when the associated bit line has reached the first voltage potential. | 2009-12-10 |
20090303821 | Apparatus and Method for Low Power, Single-Ended Sensing in a Multi-Port SRAM Using Pre-Discharged Bit Lines - An apparatus and method for low power, single-ended sensing in a multi-port static random access memory (SRAM) using pre-discharged bit lines includes holding a bit line associated with the memory cell at a zero voltage potential when the memory cell is not being accessed; releasing the bit line from being held at a zero voltage potential when the memory cell is being accessed; charging the bit line to a first voltage potential greater in value than the zero voltage potential during an access of the memory cell, wherein charging the bit line to a first voltage potential occurs for a first predetermined period of time after access to the memory cell has begun; and sensing the memory cell contents during an access of the memory cell, wherein sensing of the memory cell contents occurs for a second predetermined period of time after access to the memory cell has begun. | 2009-12-10 |
20090303822 | BIT LINE EQUALIZING CONTROL CIRCUIT OF A SEMICONDUCTOR MEMORY APPARATUS - A bit line equalizing control circuit of a semiconductor memory apparatus includes a control signal generating unit that receives a bank active signal to generate a control signal such that a bit line equalizing signal is delayed and enabled, a bit line equalizing selecting unit that generates a bit line equalizing detection signal in response to a plurality of mat select signals and the control signal, and a driver that receives the bit line equalizing detection signal to generate the bit line equalizing signal. | 2009-12-10 |
20090303823 | SENSE AMP CIRCUIT, AND SEMICONDUCTOR MEMORY DEVICE USING THE SAME - A differential input circuit receives differential input signals at a pair of differential input terminals and produces a pair of first differential output signals. A sensing circuit senses at least one of the pair of first differential output signals reaching a certain voltage and provides an activation signal. A latch-type amplifier provides a pair of second differential output signals when activated in accordance with the activation signal. A cutoff circuit establishes connection between the differential input circuit and the latch-type amplifier and breaks connection between the differential input circuit and the latch-type amplifier in accordance with the activation signal. | 2009-12-10 |
20090303824 | DYNAMIC RANDOM ACCESS MEMORY DEVICE AND METHOD FOR SELF-REFRESHING MEMORY CELLS - A dynamic random access memory (DRAM) device having memory cells is operated in a self-refresh mode and a normal mode. A mode detector provides a self-refresh mode signal in the self-refresh mode of operation. It includes a free-running oscillator for generating an oscillation signal independent of the self-refresh mode signal. In response to the oscillation signal, a self-request controller provides a self-refresh request signal in the self-refresh mode. The self-refresh signal is asynchoronized with the self-fresh mode signal and is provided to an address circuit to select a wordline for refreshing the memory cells thereof. The self-refresh request controller includes logic circuitry for arbitrating timing between initial active edges of the oscillation signal and the self-refresh mode signal and providing the self-refresh request and ceasing it, regardless of conflict between the self-refresh mode signal and the oscillation signal upon self-refresh mode entry and exit. The DRAM devices perform and achieve reliable self-refresh for variable DRAM cell retention time. | 2009-12-10 |
20090303825 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a first plurality of banks arranged in a first direction to form a first group of banks; a second plurality of banks arranged in the first direction to form a second group of banks, the first group of banks and the second group of banks arranged in a second direction; a first local data line arranged in the second direction to cross a bank of the second plurality of banks and to transfer input/output data; a second local data line arranged in the second direction to transfer input/output data; a global data line disposed in the first direction that crosses the second direction; and a data exchanger disposed between the second plurality of banks and the global data line for configured to controlling data exchange between the first and second local data lines and the global data line. | 2009-12-10 |
20090303826 | STATIC RANDOM-ACCESS MEMORY WITH BOOSTED VOLTAGES - Dual port memory elements and memory array circuitry that utilizes elevated and non-elevated power supply voltages for performing reliable reading and writing operations are provided. The memory array circuitry may contain circuitry to switch a power supply line of a column of memory elements in the array to an appropriate power supply voltage during reading and writing operations. Each memory element may contain circuitry to select between power supply voltages during reading and writing operations. During reading operations, an elevated voltage may power cross-coupled inverters that store data in the memory elements while a non-elevated voltage may be used to turn on associated address transistors. During writing operations, the non-elevated voltage may power the cross-coupled inverters while the elevated voltage may be used to turn on the associated address transistors. | 2009-12-10 |
20090303827 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a clock supply portion for providing an external clock to the interior of the memory device, a clock transfer portion for transferring the clock from the clock supply portion to each of elements in the memory device and data output portions for outputting data in synchronism the clock from the clock transfer portion, wherein the clock from the clock supply portion to the clock transfer portion swings at a current mode logic (CML) level. | 2009-12-10 |
20090303828 | METHOD OF FILLING POTHOLES AND APPARATUS FOR PERFORMING SAME - A method and apparatus for filling a pothole has a cleaning system and a mixing system. The cleaning system loosens debris that is removed from the pot pothole prior to filling. The mixing system has an emulsion tank, an aggregate tank, a mixing tank, and an activator tank. The mixing tank is filled with emulsion and aggregate is added based on the weight of the emulsion to form a slurry. The slurry is transported to a static mixer where activator is added, and then the mixture is discharged into a pothole. | 2009-12-10 |
20090303829 | AIRLIFT BIOREACTOR - The present invention is concerned with a fluid circulation apparatus for use as a bioreactor or the like, the apparatus comprising a flexible bag like container within which is disposed a collapsible and at least partially inflatable draft tube which is tethered to a base of the container such that when inflated the draft tube rises off the base and maintains the correct shape as a result of the inflation thereof, and which includes perforations in order to allow the inflation gas to escape and rise upwardly through the draft tube to generate counter current circulation within the container. | 2009-12-10 |
20090303830 | HAND BLENDER SWITCH - A hand blender switch arrangement on a hand-held food blender; said switch arrangement including a first activation switch and a second operating switch; said first activation switch located in an upper surface of an upper body portion of a power unit of said blender; said second operating switch located in a front surface of a hand grip portion of said blender remote from said first activation switch such that said first activation switch cannot be readily operated by a hard gripping said hand blender for use. | 2009-12-10 |
20090303831 | Application of Microdots and Other Identifiers to an Article - A hand-held unit for applying identifying microdots mixed within an adhesive base fluid, comprises a housing which mounts a container for the mixture and a canister of propellant gas. When an outlet valve of the canister is depressed, propellant gas flows from the canister into a nozzle whereby mixture is drawn from the container for discharge through that nozzle for application of the mixture to an article, a vehicle for example, for identification purposes. | 2009-12-10 |
20090303832 | Agitator - The present invention relates to an agitator. The present invention especially relates to an agitator, which may be attached to the bottom, wall or cover of a mixing vessel. The agitator in accordance with the present invention is especially applicable to purposes where a relatively large and slowly rotating agitator is required. Thus, for example, agitators used in dilution vessels and the like of wood processing industry come into question. A characterizing feature of an agitator in accordance with the present invention is that the drive unit of the agitator comprises a disc ( | 2009-12-10 |
20090303833 | METHOD OF VOLUME-PANORAMA IMAGING PROCESSING - The present invention discloses a method of volume-panorama imaging processing, which generates a volume-panorama image by subsequently splicing respective image frames from an image sequence obtained in a real-time way or stored in a medium based upon the fact that the immediately adjacent image frames have the largest correlation. The method comprises the steps of: reading the image sequence, and firstly initializing an aligned image and a spliced image; dividing the i-th image frame F | 2009-12-10 |
20090303834 | COMBINING GEOMECHANICAL VELOCITY MODELING AND TOMOGRAPHIC UPDATE FOR VELOCITY MODEL BUILDING - A method for updating a velocity model of a subsurface of the earth is described herein. A tomographic update to the velocity model of the subsurface may be performed to generate a tomographic velocity model update. A geomechanical velocity model update of the subsurface may be calculated. The geomechanical velocity model update may be combined with the tomographic velocity model update. | 2009-12-10 |
20090303835 | UNDERWATER DETECTION DEVICE - An underwater detection device includes a transceiver module for transmitting underwater an ultrasonic pulse signal that is frequency-modulated and receiving an echo signal corresponding to the transmitted signal, a pulse compression module for pulse-compressing the signal received by the transceiver module and outputting a signal pulse-compressed, a suppression range determining module for determining a suppression range where a range side lobe suppression process is performed for the pulse-compressed signal, an echo determining module for determining whether the data of the pulse-compressed signal at each depth corresponding to a range side lobe, a suppression value determining module for determining a suppression value for the data of the pulse-compressed signal at each depth, a suppression conducting module for performing a calculation to suppress the range side lobe based on the suppression value for the data determined to be data of the pulse-compressed signal corresponding to the range side lobe by the echo determining module among a plurality of data of the pulse-compressed signals that fall into the suppression range, and a display processing module for generating a signal for display based on the signal outputted from the suppression conducting module to display a generated signal as detected information. | 2009-12-10 |
20090303836 | DEVICE AND METHOD FOR SCARING OFF ANIMALS FROM A PARKED MOTOR VEHICLE - In a device and a method for scaring off animals, in particular martins, from a parked motor vehicle, the piezoinjectors ( | 2009-12-10 |
20090303837 | Method to estimate local towed array angles using flush mounted hot film wall shear sensors - A towed array is provided with hot-film sensors and anemometer circuitry to calculate the angle of inclination of the towed array in real time during deployment of the towed array in a sea water environment. The hot-film sensors are arranged in pairs along the length of the towed array to increase the sensitivity of the inclination angle determinations and are located flush with an exterior surface of the towed array to minimize interference with the operation of the towed array. The pairs of hot-film sensors determine the local sheer stresses on the towed array, and these measurements are converted to inclination angles using an empirically derived look-up table. | 2009-12-10 |
20090303838 | Acoustic Sensor and Method - The invention relates to a sensor apparatus ( | 2009-12-10 |
20090303839 | STRESS-BIASED CYMBALS INCORPORATING A SHAPE MEMORY ALLOY - A flextensional transducer, including a generally disc-shaped piezoelectric member having a generally flat top surface and a generally flat parallel bottom surface, a top electrode formed on the top surface, a bottom electrode formed on the bottom surface, a top endcap operationally connected to the top surface, and a bottom endcap operationally connected to the bottom surface. The top and bottom endcaps are formed of shape memory material. The endcap exerts a radial stress upon the generally disc-shaped piezoelectric member. | 2009-12-10 |
20090303840 | METHOD FOR REMOVING MICRO-DEBRIS AND DEVICE OF THE SAME - The present invention provides a method for removing micro-debris generated in a laser machining process operated on machined object and device of the same. The machined object is placed on a movable machining platform within a machining range and machined at a particular machining location. By disposing an acoustic wave generator and a reflector part, or by disposing a plurality of acoustic wave generators, at least two standing waves extending across the machining range and two standing wave nodes are generated. The micro-debris generated from the laser machining process is moved away by the standing waves to concentrate at the standing wave nodes, and subsequently removed from the standing wave nodes. | 2009-12-10 |
20090303841 | Display Device and Timepiece Calendar Device - A display device and a timepiece calendar device capable of large display of letters and numbers is provided, which can be simplified and reduced in size. The display device comprises a first display wheel having a denotation portion for showing information about a part of a period and a toothed portion including a plurality of teeth to be driven. The device also has a second display wheel having a denotation portion for showing a part of the period other than the part of the period shown by the first display wheel, an opening via which the first display wheel is exposed, and a toothed portion including a plurality of teeth to be driven, and placed overlapping the first display wheel. The device also has a driving finger for driving the first display wheel and the second display wheel to rotate. | 2009-12-10 |
20090303842 | MAINSPRING - Mainspring for a mechanism driven by a motor spring, especially for a timepiece, formed from a ribbon of metallic glass material. This ribbon is monolithic and has a thickness of greater than 50 μm. | 2009-12-10 |
20090303843 | Wristwatch featuring a case the back of which can house a stone in contact with the skin - The present invention provides a wristwatch the case back of which is designed as a seat for a stone of the same shape and size and the stone is fitted to the case by a ring, which allows the stone to project a few millimeters so that the stone is in contact with the skin of the wrist. | 2009-12-10 |
20090303844 | OPTICAL PICKUP AND DISK DRIVE DEVICE - An optical pickup includes a moving base moved in a radial direction of a disk-like recording medium mounted on a disk table, and an objective lens drive device disposed on the base and including an objective lens. The drive device includes a fixed block fixed to the base, a movable block including the lens and a lens holder and moved in focusing and tracking directions, supporting springs connecting the fixed and movable blocks, focusing magnets moving the movable block in the focusing direction, tracking magnets moving the movable block in the tracking direction and each having two magnetized poles, focusing coils facing the focusing magnets, and tracking coils facing the tracking magnets and spaced apart in the tracking direction. The north and south poles of the tracking magnet are adjacent in the tracking direction. The boundary between the poles is formed by a line segment not being one straight line. | 2009-12-10 |
20090303845 | OPTICAL DISC APPARATUS AND REPRODUCTION CONTROL METHOD - The present invention makes it possible to reproduce reproduction images without a break without having to use any additional identification information even when real-time recorded data is not completely continuous. A control circuit references a data identification flag (“Recording Type”) which is attached to each sector of reproduction data to indicate the type of recorded data, and counts the number of sectors to which the data identification flag representing real-time recorded data is attached. When the count is not smaller than a threshold value, the control circuit reproduces all the sectors of the target reproduction block in a real-time reproduction mode. In the real-time reproduction mode, the control circuit masks a portion of reproduction data that is found to be defective, changes the value of the defective data to 0 (zero), and transfers the resulting reproduction data to a host device. | 2009-12-10 |
20090303846 | Method and apparatus for recording and reproducing information on and from optical disc - An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response to the readout information signal, and applies the laser beam to the optical disc to record the readout information signal on the optical disc. A test signal is recorded on a position of the optical disc near a recording position thereof via the optical head during the writing of the information signal into the memory. The test signal is reproduced from the optical disc. The reproduced test signal is evaluated to generate an evaluation result. An intensity of the laser beam is optimized in response to the evaluation result. | 2009-12-10 |
20090303847 | OPTICAL DISC APPARATUS THEREFOR - There is a need to accurately lock focus of a laser beam onto a target data layer of a multilayer optical disc. The above need can be addressed by, for example, performing a focus lock operation after a spherical aberration correction amount is set in such a way as to make smaller the ratio of the focus error signal waveform amplitude at the data layer adjacent to a target data layer through which a laser beam passes earlier than through the target data layer to the focus error signal waveform amplitude at the target data layer than that when the spherical aberration correction amount is set so as to be optimal for the target data layer. | 2009-12-10 |
20090303848 | OPTICAL DISCS WITH IDENTIFICATION CODE - An individual code can be recorded on optical discs with post-recording techniques like for example laser-ablation. This normally requires the presence of an ad-hoc decoder in a corresponding playback apparatus. According to the invention this individual code is recorded by using an encoding scheme which is different from the encoding scheme proper of the user data but equal to the encoding scheme proper of control data already foreseen in the disc, like for example PIC in the case of a BD. In this way an ad-hoc decoder is no longer required and a suitable playback apparatus capable of acquiring individual code can be obtained with minimal modifications of an existing playback apparatus. | 2009-12-10 |
20090303849 | OPTICAL PICKUP DEVICE AND RECORDING/REPRODUCTION DEVICE - An optical pickup device includes: a first light source for emitting recording laser light; a second light source for emitting reproducing laser light having a wavelength different from a wavelength of the recording laser light; an objective lens for converging the recording laser light and the reproducing laser light. A quarter wavelength plate is disposed between the first light source and the second light source, and the objective lens. A wavelength-selective polarized beam splitter is disposed between the quarter wavelength plate, and the first light source and the second light source. The reproducing laser light alone out of the recording laser light and the reproducing laser light reflected on recording medium is guided to a photodetector. | 2009-12-10 |
20090303850 | OPTICAL DISC MEDIUM AND OPTICAL DISC DEVICE - When using an optical disc medium that includes pit trains having their widths narrower than a diffraction limit, it is difficult to detect a tracking error signal and take a tracking-servo control while increasing pit density in a direction orthogonal to a pit-train extension direction. | 2009-12-10 |
20090303851 | Method And Apparatus For Reproducing Data And Recording Medium - A recording medium, and a method and apparatus for reproducing data from the recording medium are disclosed. The recording medium for recording data includes: first reproduction-restriction information of the recording medium; and update information of second reproduction-restriction information of other recording medium. If the content provider (CP) desires to release reproduction-restriction of pre-introduced content data at a region or country due to the reproduction environment or other conditions associated with the data reproduction, the content provider provides reproduction-restriction release information via new recording medium including other contents. The user can buy the new recording medium and receive restriction release information from the content provider (CP) without paying the usage fee of reproduction-restricted contents, thereby freely employing desired contents having been protected from being reproduced. | 2009-12-10 |
20090303852 | Optical Scanning Device and Method for Determining Focus Position - The optical scanning device [ | 2009-12-10 |
20090303853 | Optical information recording/reproduction apparatus and recording condition adjusting method - An adaptive equalization circuit ( | 2009-12-10 |
20090303854 | RECORDING MEDIUM, AND RECORDING AND REPRODUCING APPARATUS - A recording medium includes: at least one recording layer on which information is recorded by multi-photon absorption; and a servo layer disposed in a laminated direction with respect to the recording layer and having a track for guiding a beam spot of laser light having a first wavelength and a beam spot of laser light having a second wavelength along a scanning trajectory, wherein the servo layer and the at least one recording layer constitute a set of layers, and a plurality of sets of layers is formed in the laminated direction. | 2009-12-10 |
20090303855 | TWO-PHOTON-ABSORBING RECORDING MEDIUM, TWO-PHOTON-ABSORBING RECORDING/REPRODUCING METHOD, AND TWO-PHOTON-ABSORBING RECORDING/REPRODUCING APPARATUS - Provided are a two-photon-absorbing recording medium allowing recording and reproduction of a large volume of information, a two-photon-absorbing recording/reproducing method by using the same, and a two-photon-absorbing recording/reproducing apparatus. The two-photon-absorbing recording medium for recording information by simultaneous two-photon absorption is a medium comprising an alternate laminate structure comprising: a thin-film recording layer of a recording material wherein change in the absorption or emission spectrum thereof is generated by two-photon absorption induced by a light irradiated as recording light; and a thin-film non-recording layer, wherein the recording material forming the recording layer comprising at least one of each of (1) a two-photon-absorbing colorant and (2) a material wherein change in the absorption or emission spectrum thereof is generated in a photochemical reaction caused by an excited state of the two-photon-absorbing colorant generated by two-photon absorption of the two-photon-absorbing colorant. | 2009-12-10 |
20090303856 | OPTICAL STORAGE MEDIUM AND OPTICAL INFORMATION APPARATUS - Disclosed is an arrangement that enables to keep a relative positional relation between a beam for servo control and a beam for information recording/reproduction constant concerning focusing control and tracking control, even if the two beams are different from each other. An optical storage medium has a reflection surface for reflecting a first beam having a first wavelength, and reflecting a second beam having a second wavelength different from the first wavelength; and an information storage layer for recording information as an interference pattern by incidence of the first beam, or reproducing the information from a wave surface based on the interference pattern. The reflection surface is formed with plural marks or guide grooves usable in a tracking operation or a focusing operation by irradiation of the second beam. The information storage layer is partially formed, in advance, with a reference interference pattern which is reproduced when the first beam is irradiated, and which is used as a reference for correcting the relative positional relation between the first beam and the second beam. | 2009-12-10 |
20090303857 | OPTICAL PICKUP DEVICE - A servo objective lens and a recording/reproducing objective lens are commonly held on a holder. The servo objective lens and the recording/reproducing objective lens are integrally displaced, thereby pulling servo light onto a servo layer. Upon the pulling, focus positions of recording light and reproducing light follow a focus position of the servo light. As a result, the focus positions of recording light and reproducing light are set close to the servo layer. Thereafter, an optical element for displacing the focus positions of recording light and reproducing light in the optical axis direction is driven to pull the recording light and the reproducing light onto a targeted recording layer. | 2009-12-10 |
20090303858 | OPTICAL RECORDING HEAD, MAGNETO-OPTICAL RECORDING HEAD AND OPTICAL RECORDING APPARATUS - An optical recording head simply structured, enabling a reduction in thickness, and having sufficient efficiency even if a light source with small output is used when a plasmon probe is used. The optical recording head includes a light source section for emitting light, a slider moving relative to a recording medium, and an optical waveguide disposed in the slider, guiding the light from the light source section and irradiating the surface of the recording medium with the light, and having a light emission angle not perpendicular to the surface, of the slider, facing the surface of the recording medium. | 2009-12-10 |
20090303859 | Optical data reading/writing with stationary dish mirror - Apparatus and method for reading data from or writing data to a stationary optical storage medium. A light beam redirecting mechanism is rotatable about an axis through a stationary dish mirror that faces a stationary optical storage medium from which data may be read or to which data may be written. | 2009-12-10 |
20090303860 | Recording Process Status Deciding Apparatus and Recording Process Status Deciding Method - A disk-layer-configuration judging unit ( | 2009-12-10 |
20090303861 | INFORMATION RECORDING AND READOUT METHOD - Provided is a medium capable of implementing a large-capacity recording at low cost per bit. A medium including a network of metal wires and recording materials each provided at an intersection of the metal wires. Surface plasmons are made to propagate along the metal wires. Two surface plasmons are made to propagate in two different directions and to collide with each other at a certain position. Multiple-layer recording is carried out by changing the recording materials at the certain position. | 2009-12-10 |
20090303862 | Recording medium with a linking area including a synch pattern thereon and apparatus and methods for forming, recording, and reproducing the recording medium - A recording medium, such as a high-density and/or read-only recording medium including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including at least two frame sync signals, where values of the at least two frame sync signals maintain uniqueness, and to methods and apparatuses for forming, recording, and reproducing the recording medium. | 2009-12-10 |
20090303863 | Recording medium with a linking area thereon and apparatus and methods for forming, recording, and reproducing the recording medium - A recording medium, such as a high-density and/or read-only recording medium including a data area including at least two data sections and a linking area to link neighboring data sections, the linking area including at least one physical address, and to methods and apparatuses for forming, recording, and reproducing the recording medium. | 2009-12-10 |
20090303864 | OPTICAL RECORDING MEDIUM AND REPRODUCING DEVICE - An optical recording medium is provided with a plurality of recording layers, wherein the recording layers are formed such that all the spacings between two recording layers in all the combinations selected from the plurality of recording layers do not coincide with each other. Accordingly, the return of lights reflected by other layers to an optical head along the same optical path as reflected light from a readout layer during the reproduction can be avoided. Therefore, an optical recording medium, from which a good reproduction signal can be obtained, can be provided by suppressing the deterioration of a servo signal and a reproduction signal of a reproducing device due to a variation of interference fringes on a light receiving element. | 2009-12-10 |
20090303865 | OFDMA PREAMBLES SYSTEM AND METHOD - A preamble code usable in Orthogonal Frequency Division Multiple Access (OFDMA) for the physical layer (PHY), selected for improved PAPR in a 1024, 512 or 128 FFT OFDMA mode. Tables 2 to 7 detail code sequences having improved PAPR performance. The disclosed codes may be used in cellular wireless. | 2009-12-10 |
20090303866 | METHOD AND DEVICE FOR THE BASEBAND PROCESS OF THE SPACE-TIME/SPACE -FREQUENCY/SPATIAL DIVERSITY TRANSMITTER - A method and device for the baseband process of space-time/space-frequency/spatial diversity transmitter in the SC-FDMA system, the device is characterized in that: 1) an encoding means is connected to the output end of the M-point DFT module; 2) a space-time encoding means, for encoding the corresponding symbol of at least two adjacent symbol sets, and outputting at least two data sets; each sub-carrier mapping means maps respectively each data set to the corresponding antenna, so that the mapped data satisfy the requirements: The symbols mapped on each antenna keep the same sequence as the M symbols outputted by the M-point DFT module; the mapped symbols keep the same sub-carrier interval; the M data of each mapped SC-FDMA symbol are the M outputted data of the DFT module, or the inverse of the M outputted data, or the complex conjugate of the M outputted data, or the inverse complex conjugate of the M outputted data. The present invention implements effective space diversity, reduces PAPR, and makes frequency domain equalization feasible. | 2009-12-10 |
20090303867 | APPARATUS AND METHOD FOR PREVENTING DATA READ ERROR FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYMBOL DEMODULATION - Disclosed are an apparatus and a method for preventing data read error for OFDM symbol demodulation. An average time synchronization offset estimating unit estimates average time synchronization offset between a pilot symbol of a time synchronized data frame and pilot symbols of data frames next to the time synchronized data frame. A data buffer control unit acquires a start location of a data frame to be read using the estimated average time synchronization offset, and controls reading of written data frames using the acquired start location information of the data frame to be read. In the apparatus and the method, a data buffering using a ring buffer construction may compensate time synchronization offset of samples containing real data in an OFDM symbol and prevent an erroneous read error in order to improve a receiving performance of a receiver. | 2009-12-10 |
20090303868 | Control Channel Transmission Method And Radio Communication Apparatus - A control channel transmission method in a radio communication apparatus which has a plurality of antennas, including, generating signal which are orthogonal to each other on a frequency axis between each of the antennas; modulating the signal using a control signal corresponding to a control channel respectively; and transmitting the modulated signal from each of the antennas using a single carrier transmission. | 2009-12-10 |
20090303869 | ROBUST NARROWBAND SYMBOL AND FRAME SYNCHRONIZER FOR POWER-LINE COMMUNICATION - An embodiment is a method and apparatus to perform symbol synchronization. A correlation estimator computes a correlation of a sample vector representative of a narrowband signal. A synchronization detector detects symbol synchronization. | 2009-12-10 |
20090303870 | METHOD FOR RESTORING A SERVICE BOOKING SYSTEM IN A NETWORK AFTER FAILURE - The invention relates to a method for of restoring a service reservation booking system in a network after a failure, that comprises a first step of invalidating at least a portion of the bookings which cannot be seen anymore by said service booking system due to-said failure, a second step of recalculating said bookings which cannot be seen anymore by said service booking system by validating the bookings which are valid in the network topology after the failure and by cancelling the bookings which are invalid in the network topology after said failure. Advantageously, the method of the present invention further includes a third step during which the nodes of the network disappear from the service booking system. The present invention also relates to a service booking system in a network. | 2009-12-10 |
20090303871 | METHOD AND APPARATUS FOR PACKET AGGREGATION ACCORDING TO TRAFFIC CHARACTERISTICS - A method and apparatus for packet aggregation is provided. The apparatus for packet aggregation may include an upper layer management unit to generate a plurality of Media Access Control (MAC) Service Data Units (MSDUs) and traffic characteristic information of each of the plurality of MSDUs; a MAC layer management unit to determine a sequence number of each of the plurality of MSDUs based on the traffic characteristic information of each of the plurality of MSDUs, and to generate an aggregated MAC Protocol Data Unit (MPDU) based on the sequence number of each of the plurality of MSDUs; and a physical (PHY) layer management unit to transmit the aggregated MPDU to a destination. | 2009-12-10 |
20090303872 | METHOD FOR MANAGING UNDER-RUN AND A DEVICE HAVING UNDER-RUN MANAGEMENT CAPABILITIES - A device having under-run management capabilities and to a method for managing under-runs. The method includes providing, to a memory unit, channel information from multiple channels; allocating time slots for communication channel transmissions; the method is characterized by including: sending, during a time slot allocated for a transmission of channel information from an enabled communication channel, to the shift register channel information of an enabled communication channel, serially outputting the received channel information from the shift register towards a communication line while serially replacing the outputted channel information by a predefined content such that the shift register stores a communication channel disable code when an under-run occurs; defining a communication channel as a disabled communication channel once the under-run occurs; and transmitting, during a time slot allocated to a disabled communication channel, idle signals to the communication line. | 2009-12-10 |
20090303873 | Data transmitting apparatus - A data transmitting apparatus includes an actually-used-system package that is connected to outside via a plurality of ports and is actually transmitting data, a waiting-system package that is connected to outside via a plurality of ports and is waiting to substitute the actually-used-system package to transmit data when a failure occurs in the actually-used-system package, a switching requesting unit that switches, when a failure occurs in a port of the actually-used-system package, the port of the actually-used-system package to another port and issues to the waiting-system package a switching request indicating that switching is made to a port corresponding to a switching-target port, and a port switching unit that switches the port of the waiting-system package according to the switching request when the waiting-system package receives the switching request issued from the switching requesting unit. | 2009-12-10 |
20090303874 | TRANSMISSION NETWORK, TRANSMISSION APPARATUS, CHANNEL SWITCHING METHOD AND PROGRAM FOR TRANSMISSION NETWORK - A transmission network according to the present invention includes an ingress transmission apparatus and relay or egress transmission apparatuses in network channel setting terms, wherein the ingress transmission apparatus includes a switching table in which to register in advance a channel to switch to from a certain channel in the network; a path calculation unit which calculates a channel path in said network and searches for a path to set; a channel switching unit which switches a failed channel in the network to a channel registered in the switching table or a channel searched by a path calculation unit, and a channel setting/removal unit which sends a SET CHANNEL or REMOVE CHANNEL instruction to the relay or egress transmission apparatus. | 2009-12-10 |
20090303875 | CONGESTION CONTROL SYSTEM, CALL SESSION CONTROL DEVICE, BORDER GATEWAY DEVICE, AND CONGESTION CONTROL METHOD USED THEREFOR - A congestion control system according to an exemplary aspect of the present invention includes an SIP (Session Initiation Protocol) terminal of a subscriber; a call session control device that accommodates the subscriber using SIP, and includes a notification unit that inserts server information of the call session control device including at least an acceptable number of calls in an SIP response message; and a border gateway device that includes a control device of VoIP (Voice over Internet Protocol) services, and a congestion control unit that performs congestion control for the call session control device based on the server information of the SIP response message notified by the call session control. | 2009-12-10 |
20090303876 | Systems and methods for flow control and quality of service - Various embodiments of methods and systems for pausing and shaping data flow while supporting both parameterized and prioritized Quality of Service are disclosed. In some embodiments, a system for pausing and shaping data flow comprises an input buffer, a first pause controller coupled to the input buffer and an output buffer for flow control messages. Various embodiments also include a hop- | 2009-12-10 |
20090303877 | COMMUNICATION METHOD BASED ON TRANSMISSION CONTROL PROTOCOL AND MOBILE COMMUNICATION TERMINAL TO PERFORM THE METHOD - A telecommunication method based on transmission control protocol (TCP) includes setting an initial value of a congestion window according to a communication situation of a communication network to more efficiently use uncongested bandwidth of the communication network. An IP network access unit in a telecommunication network determines a congestion window value based on a predetermined reference, and transmits the determined congestion window value to the mobile telecommunication terminal. The mobile communication terminal receives the congestion window value, and performs a TCP access for data telecommunication using the initial congestion window value in a slow start algorithm of TCP in a mobile telecommunication environment. The bandwidth of telecommunication network may be more efficiently used by setting an initial value of the congestion window according to the telecommunication situation or available bandwidth. | 2009-12-10 |
20090303878 | SYSTEM AND METHOD FOR MINIMIZING CALL SETUP LATENCY IN A GROUP COMMUNICATION AMONG WIRELESS COMMUNICATION DEVICES - A system and method for minimizing call setup latency in a group communication among wireless communication devices by ensuring the requisite amount of communication bandwidth for group member devices that utilize separate communication systems to control communication channels established with each of the wireless communication devices. A group communication server that sets up group communications for wireless communication device members of a communication group communicates with a resource manager resident on a communication system to reserve a predetermined amount of resources, such as bandwidth, for wireless communication devices utilizing that communication system that are members of a communication group. The resource manager communicates the availability to the group communication server of the wireless communication devices utilizing that communication system for group communications only if the predetermined resources are available for a group communication to the wireless communication device. | 2009-12-10 |
20090303879 | Algorithms and Estimators for Summarization of Unaggregated Data Streams - The invention relates to streaming algorithms useful for obtaining summaries over unaggregated packet streams and for providing unbiased estimators for characteristics, such as, the amount of traffic that belongs to a specified subpopulation of flows. Packets are sampled from a packet stream and aggregated into flows and counted by implementation of: (a) Adaptive Sampled NetFlow ( | 2009-12-10 |
20090303880 | DATA CENTER INTERCONNECT AND TRAFFIC ENGINEERING - A system for commoditizing data center networking is disclosed. The system includes an interconnection topology for a data center having a plurality of servers and a plurality of nodes of a network in the data center through which data packets may be routed. The system uses a routing scheme where the routing is oblivious to the traffic pattern between nodes in the network, and wherein the interconnection topology contains a plurality of paths between one or more servers. The multipath routing may be Valiant load balancing. It disaggregates the function of load balancing into a group of regular servers, with the result that load balancing server hardware can be distributed amongst racks in the data center leading to greater agility and less fragmentation. The architecture creates a huge, flexible switching domain, supporting any server/any service, full mesh agility, and unregimented server capacity at low cost. | 2009-12-10 |
20090303881 | METHODS AND APPARATUS FOR NETWORK CONTROLLED MOBILE IP FLOW MOVEMENT - Methods and apparatus for network controlled mobile IP flow movement. An infrastructure node, such as a home agent, signals a mapping between care-of-addresses (CoAs) and flows to be transmitted from a mobile device in uplink communications. The CoA associated with each flow is determined from network, device, and/or flow information. A mobile node or mobile gateway receives the mapping and updates its local policy information. When a selected flow is to be transmitted in an uplink transmission, the local policy information is used to determine the CoA associated with the selected flow. The CoA is then used to determine an access network (or access path) on which the uplink transmission of the selected flow is to occur. | 2009-12-10 |
20090303882 | Mechanism for implementing load balancing in a network - A mechanism is disclosed for enabling load balancing to be achieved in a network. In one implementation, load balancing is implemented on a “per flow” basis. At the time that a new flow starts, a path is selected. Packets associated with the flow are thereafter sent along that particular path. As the packets associated with the flow are forwarded along the particular path, a congestion metric is determined for the particular path as well as for a set of one or more other paths. Based at least partially upon the congestion metrics, a determination is made as to whether the flow should be moved. If so, then the flow is moved to an alternate path. By determining the congestion metrics for the multiple paths, and by moving the flow in response, it is possible to adapt to changing traffic conditions to keep the loads on the paths relatively balanced. | 2009-12-10 |
20090303883 | Ethernet switch-based network monitoring system and methods - A network data monitoring device provides for the flexible, programmable port-to-multi-port steering of data packet traffic between network port pairs, with tap data streams being directed to any of a plurality of monitor ports. The network data monitoring device is constructed utilizing one or more switching integrated circuits programmed to disable layer-2 routing and impose port-to-multiport data packet steering. Physical layer protocol encoding/decoding circuits enable connectivity to physical network media connectors though a system of fail-safe relays. A system controller, preferably implemented by a microprocessor, is connected to all switching integrated circuits and relays for configuration, status and control. Hardware-based logic selectively in complement to the switching integrated circuits provides for the programmable filtering, modification and programmable steering of data packets through the device. | 2009-12-10 |
20090303884 | MONITORING SYSTEM, MONITORING DEVICE, MONITORED DEVICE, AND MONITORING METHOD - A monitored device in a monitoring system sends a notification indicating device ID of a real computer and a real-MAC address thereof in advance to a monitoring device. The monitored device determines the real-MAC address corresponding to the computer in advance on the basis of the real-MAC address and an IP address of the computer and, when a failure occurs in any of the computers, also sends a notification indicating failure information including the virtual-MAC address and the IP address to the monitoring device. The monitoring device in the monitoring system obtains the real-MAC address on the basis of the IP address and the virtual-MAC address in the failure information, groups the failure information on the basis of the obtained real-MAC address, correlates the grouped failure information with the device ID, and outputs the correlated ID. | 2009-12-10 |
20090303885 | TESTING METHOD OF AN IC CARD INCLUDING A ZIGBEE DEVICE - A method for testing a ZigBee device included in an IC Card includes associating a predetermined Personal Area Network (PAN) Identifier to the ZigBee device, and providing a test device, for initializing a ZigBee network. The method may include connecting the ZigBee device to the ZigBee network and transmitting the corresponding PAN Identifier to the test device. The method may include returning a fault message, indicative of a failure of connecting and transmitting, if the test device does not receive the PAN Identifier. The predetermined PAN Identifier may be stored in a memory portion of the test device and include, in the fault message, the PAN Identifier if the test device does not receive the PAN Identifier, in order to identify the ZigBee device as a defective device. | 2009-12-10 |
20090303886 | Method And System For Analyzing Gateways - An analysis is performed to test whether a gateway is functioning properly. The gateway includes a plurality of ports. Routing information for the gateway is received. A plurality of concurrent calls is generated for the ports of the gateway. The concurrent calls are pushed to the gateway in accordance with the routing information to determine whether the ports of the gateway are functioning properly. | 2009-12-10 |
20090303887 | METHOD AND SYSTEM FOR TIMESTEP STOCHASTIC SIMULATION FOR NETWORKS - A method and system for analytically simulating the state of a 802.11 WLAN network having a plurality of stations at discreet timesteps, including analytically generating a plurality of sample paths of a network state, including obtaining probability distribution values for aspects of the network. The probability distributions may be precomputed and stored in a cache to be accessed during a simulation of a network. | 2009-12-10 |
20090303888 | METHOD AND SYSTEM FOR OPTIMIZING WIRELESS NETWORKS THROUGH FEEDBACK AND ADAPTATION - A method for optimizing a wireless network comprises obtaining local measurement and feedback data from a single node in the network; estimating a state of the node by using the local measurement and feedback data in an analysis framework model of the wireless network; applying the estimated state of the node to a local control law to determine one or more local protocol parameter updates for the node; and transmitting the one or more local protocol parameter updates to the node in the network. The method can further comprise obtaining global measurement and feedback data from one or more additional nodes in the network; estimating a state of the one or more additional nodes by using the global measurement and feedback data in the analysis framework model; applying the estimated state of the one or more additional nodes to the local control law; applying the estimated state of the one or more additional nodes to a global control law to determine one or more network-wide protocol parameter updates; and transmitting the network-wide protocol parameter updates to the network. | 2009-12-10 |
20090303889 | Method of uplink synchronization establishment based on the united transmission technology and the transmission matrix thereof - The present invention discloses an establishment method of uplink synchronization based on the joint transmission technology. User equipment (UE) first performs channel estimation for the downlink channel which is close to the uplink channel and determines the transmission timing of the transmission signals of uplink synchronous time slot. What's more, based on the estimation result of the downlink channel, UE constructs the transmission matrix A as well as the matrix d that is related to the signals originally intended to be sent, and then solves d=Ae+n, obtaining the converted signal e, which is used to replace the original uplink synchronous sequence for transmission, during transmission process, the method employs the transmission timing that is determined by step (b); the base station estimates the received signals by a correlator, obtaining the timing of uplink signals and deducing the time adjustments for UE; finally the network instructs UE to complete the adjustments for the transmission timing of uplink signals, and the establishment of uplink synchronization is completed. With this method, the base station within the mobile communication system can precisely instruct UE to complete the establishment process of uplink synchronization. The present invention also discloses a transmission matrix in TD-SCDMA system and its generation method thereof. The transmission matrix can be used to eliminate channel time delay feature after the conversion of uplink synchronous sequence. | 2009-12-10 |
20090303890 | METHOD AND APPARATUS FOR COMMAND PROCESSING IN WIRELESS COMMUNICATION SYSTEMS - A method and apparatus for command processing in a wireless communication system, comprising receiving Activate or Deactivate commands, determining commands and determining state of the access terminal. | 2009-12-10 |
20090303891 | Mobile Station and Method Therefor Using Doppler and Cell Transition History for Cell Evaluation in a Fast Moving Environment - There is disclosed, a mobile station, and a method for candidate cell evaluation in a fast moving environment. The method includes receiving a plurality of transmissions from a plurality of candidate cells, where each of the plurality of transmissions corresponds to one of the plurality candidate cells. The method further includes measuring signal strengths of the plurality of transmissions and determining change in the signal strengths of the plurality of transmissions. The method further includes calculating a weighting factor corresponding to the plurality of candidate cells based on the measured signal strengths, the change in the signal strength, and a Doppler and assigning priority levels to the plurality of candidate cells based on the calculated weighting factor. | 2009-12-10 |
20090303892 | ESTIMATION METHOD, DEVICE, AND PROGRAM, AND NETWORK MEASURING SYSTEM - An inversion of a packet transmission sequence number is observed in a predetermined sampling measurement. The number of sampled sequence numbers greater than the sequence number upon the inversion is measured as an inversion degree. A number of packet losses or a loss ratio is estimated according to the inversion degree under the estimated full sampling measurement and the inversion degree observed under a predetermined sampling measurement. | 2009-12-10 |
20090303893 | METOD OF PERFORMING STATUS REPORT IN A MOBILE COMMUNICATION SYSTEM - A method of performing reception status report in a mobile communication system is disclosed. The method of performing reception status report in a specific protocol layer of a user equipment which receives data transmitted from a base station in a mobile communication system includes performing reception status report of at least one first data block in the protocol layer in accordance with a first value of at least one parameter, the at least one first data block being transmitted from the base station, changing the first value of the at least one parameter to a second set value if a previously set event occurs or if at least one condition is satisfied and performing reception status report of at least one second data block in accordance with a second set value of the at least one parameter, the at least one second data block being transmitted from the base station. | 2009-12-10 |
20090303894 | Click Quality Classification and Delivery - In one embodiment, a method includes receiving a packet flow associated with a click-through from an end user node destined for an advertiser server; extracting information from the packet flow; analyzing the extracted information to determine one or more characteristics of the packet flow; and classifying the packet flow based on the determined one or more characteristics; modifying the packet flow to include classification information to provide classification information indicating a quality level of the click-through. The packet flow may include a hypertext transfer protocol GET request. Modifying the packet flow may include adding a tag with classification information that indicates a likelihood of fraudulent click behavior associated with the packet flow. | 2009-12-10 |
20090303895 | SYSTEM AND METHOD FOR WIRELESS MULTI-HOP NETWORK SYNCHRONIZATION AND MONITORING - A wireless communication system and method for wireless communication in a multi-hop network. A first preamble is transmitted using a first repetition cycle. Monitoring for a second preamble is done in a second repetition cycle. The first repetition cycle is different than the second repetition cycle. | 2009-12-10 |
20090303896 | METHOD AND APPARATUS FOR PROVIDING RANDOM ACCESS WINDOW CONFIGURATION - An approach is provided for providing random access window configuration by estimating a processing time margin for processing random access preambles received in one or more random access channels. The estimated processing time margin is then used to offset the respective random access window configuration. | 2009-12-10 |
20090303897 | METHOD AND APPARATUS FOR VOICE-OVER-IP CALL RECORDING AND ANALYSIS - A method and computer-readable medium for obtaining information associated with a VoIP communication session includes tapping the computer network passively to obtain signaling and media information in a first format, separating the signaling and media information, determining transport information from at least one of the signaling and media information, transcoding the media information to a second format, and storing the transcoded media information in the second format. The media information includes data, voice, audio, and/or video information. A system obtain information associated with a VoIP communication session on a computer network includes a tapping device to passively tap the computer network to obtain signaling and media information in a first format, a processing device to transcode the media information from the first format to a second format, separate the signaling information from the media information, and determine transport information from at least one of the signaling and media information, and a storage device to store the transcoded media information in the second format. | 2009-12-10 |
20090303898 | Determining of Telegram Lengths - Described is a method for determining a telegram length in an operating apparatus for communicating between the operating apparatus and a field device via a network. The method comprises composing a first telegram in the operating apparatus. The first telegram comprises a predeterminable first telegram length, and the composed first telegram is despatched via the network to the field device. After the first telegram has been despatched, the operating apparatus waits for the receipt of a second telegram, which second telegram is received by the operating apparatus via the network. After successful receipt of the second telegram, the first telegram length is increased by a predeterminable value. Increasing the value takes place until receiving the second telegram fails. After the receipt of the second telegram has failed, the first telegram length that has resulted in successfully receiving the second telegram is provided. | 2009-12-10 |
20090303899 | DISCOVERY OF MULTIPLE-PARENT DEPENDENCIES IN NETWORK PERFORMANCE ANALYSIS - Multiple parent-dependencies are identified for messages that are received on a network that includes nodes that are configured to avoid the conventional strictly-sequential communications techniques and protocols, in order to accelerate network performance. If a network is known, or assumed, to include intermediate/proxy nodes that are configured to provide acceleration, access control, and other services, the system that analyzes traffic on the network is configured to assume that these nodes may/will provide such features, and thereby introduce multiple dependencies among the messages communicated across the network. For each message transmitted from a forwarding node, messages received at the forwarding node are assessed to distinguish messages from the destination node and messages from an other node, and a dependency is defined for each. | 2009-12-10 |
20090303900 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING CHANNEL QUALITY INFORMATION IN A COMMUNICATION SYSTEM - An apparatus and method for transmitting and receiving Channel Quality Information (CQI) in a communication system. A Base Station (BS) transmits, to a Subscriber Station (SS), a request for CQI of a resource region corresponding to a frequency reuse factor K, which is designated by the BS. The BS then receives, from the SS, the CQI of the resource region corresponding to a channel quality measured by the SS. The channel quality is measured by the SS by measuring a boosted reference signal and compensating the boosted reference signal for a non-boosted signal. | 2009-12-10 |
20090303901 | Algorithms and Estimators for Summarization of Unaggregated Data Streams - The invention relates to streaming algorithms useful for obtaining summaries over unaggregated packet streams and for providing unbiased estimators for characteristics, such as, the amount of traffic that belongs to a specified subpopulation of flows. Packets are sampled from a packet stream and aggregated into flows and counted by implementation of Adaptive Sample-and-Hold ( | 2009-12-10 |
20090303902 | Multicast mesh routing protocol - A method for a node to select a route to join a multicast group in a wireless mesh network, including establishing the route between the node and the multicast group using media access control addresses is described. A method for determining a multicast group leader of the multicast group of a wireless mesh network using media access control addresses is also described. | 2009-12-10 |
20090303903 | TECHNIQUE FOR SHIFTING NETWORK POINTS OR LINEAR FACILITIES IN A NETWORK PLAN - A computer-implemented method receives a set of data regarding a layout of a network, where the data specifies the interconnection of linear facilities and specifies at least one network point that is disconnected from the network. The computer-implemented method further determines a closest one of the linear facilities to the at least one network point based on the set of data and shifts the at least one network point to connect the at least one network point to the network based on a distance between a vertex associated with the closest one of the linear facilities and the at least one network point. The computer-implemented method also shifts the closest one of the linear facilities to connect the at least one network point in the network based on a distance associated with a linear projection from the at least one network point to the closest one of the linear facilities. | 2009-12-10 |
20090303904 | System and Method for Multi-Topology Support - A system and method for providing multi-topology support in RSVP-TE in a multi-protocol label switching network is provided. A method includes reserving path states for a traffic engineered label switched path (TE LSP), and releasing the reserved path states. The TE LSP is established within a single network topology in an environment of multiple network topologies, and the reserving path states includes sending a first resource reservation protocol with traffic engineering (RSVP-TE) message containing multi-topology information. | 2009-12-10 |
20090303905 | SENSOR NODE IDENTIFICATION METHOD FOR HIERARCHICAL SENSOR NETWORK, AND COMPONENT THEREFOR - A sensor node identification method by a first component of a first layer in a hierarchical sensor network includes: receiving a sensing request including sensor node identification information from a second component of a second layer prior to the first layer; modifying the sensor node identification information by removing an identifier of the first layer from the sensor node identification information when an identifier of the first layer matches an identifier of the first component among the sensor node identification information; and transmitting a sensing request including the modified sensor node identification information to a third component of a third layer subsequent to the first layer. | 2009-12-10 |
20090303906 | Allocation Of A Communications Channel To a Data Transfer Session - A method of allocating a communications channel to a data transfer session, the method including during the data transfer session: sending a first data transfer session packet via the communications channel then sending an additional packet or packets, that are not a part of the data transfer session, via the communications channel to hold the communications channel for the data transfer session. | 2009-12-10 |
20090303907 | PREAMBLE STRUCTURE FOR ENABLING MULTI-MODE WIRELESS COMMUNICATIONS - A method for generating preamble structures to be used in multi-mode wireless communication systems. The method includes generating a basic element sequence in a predefined length, wherein the basic element sequence has a circularly orthogonal property; generating a type-A preamble by repeating the basic element sequence a number of predefined times; and generating a type-B preamble by adding respective values of real parts to values of imaginary parts of elements in the type-A preamble. The type-A preamble and type-B preamble are cross-correlated. | 2009-12-10 |
20090303908 | SYSTEM AND METHOD FOR ADJUSTING MEDIA ACCESS CONTROL PARAMETERS IN A WIRELESS NETWORK - A system for setting WLAN node operating parameters includes at least one access point (AP) radio and a plurality of nodes in wireless communication with the AP radio according to media access control (MAC) parameters. Each of the plurality of nodes has a quality of service (QoS) threshold for wireless communication with the AP radio that is a function of the MAC parameters and includes a controller configured to provide individualized control of the MAC parameters. The controller is programmed to measure current settings for at least a portion of the MAC parameters for the node, input the current settings for those MAC parameters of the node into a WLAN system model to generate a system model output, and adapt a setting of at least one of the MAC parameters for the node to meet the QoS threshold for the node based on the system model output. | 2009-12-10 |
20090303909 | POINT-TO-MULTIPOINT DATA COMMUNICATION - A sending user unit ( | 2009-12-10 |
20090303910 | Method for providing notifications for multi-media broadcast/multicast service - A method for providing notifications for Multi-media Broadcast/Multicast Service comprising steps of configuring a MBMS notification channel or a service channel by a RNC; sending information relevant to the MBMS service to a base station by the RNC; calculating a location indicated by a transmission notification according to the received information by the base station; and transmitting the MBMS notification channel by the base station. With the service relevant parameters transferred to the Node B, the notification indicated location NI corresponding to each service in each frame can be calculated by the Node B to reduce the traffic through the interface lub. The traffic of information transferred between the RNC and the base station is decreased so that the network resource is utilized effectively. | 2009-12-10 |
20090303911 | BROADCAST-CONTENT TRANSMITTING APPARATUS, BROADCAST-CONTENT RECEIVING APPARATUS, BROADCAST-CONTENT TRANSMITTING METHOD, BROADCAST-CONTENT RECEIVING METHOD, AND PROGRAM - The content receiving unit ( | 2009-12-10 |
20090303912 | DEVICE AND METHOD FOR CONTROLLING ACCESS OF USER DEVICE(S) TO MBMS SERVICES PROVIDED BY A MOBILE NETWORK - A device (D) is dedicated to controlling the access of user equipments ( | 2009-12-10 |
20090303913 | TRANSMISSION OF MULTICAST/BROADCAST SERVICES IN A WIRELESS COMMUNICATION NETWORK - A method and system for transmitting data in a wireless communications system using multiple transmit antennas. The method comprises the stesp of receiving a plurality of data sequences, each assigned with a priority level; encoding each of said plurality of data sequences in accordance with the assigned priority level to form a plurality of coded data sequences, the coded data sequences comprising systematic data and parity data; interleaving said plurality of coded data sequences to form a plurality of interleaved data sequences; multiplexing said plurality of interleaved data sequences to form a plurality of multiplexed data sequences; and mapping said plurality of multiplexed data sequences to form a plurality of mapped data sequences for subsequent transmission of said mapped data sequences from said multiple transmit antennas. | 2009-12-10 |