02nd week of 2010 patent applcation highlights part 27 |
Patent application number | Title | Published |
20100008159 | Differential Sense Amplifier - A differential sense amplifier can perform data sensing using a very low supply voltage. | 2010-01-14 |
20100008160 | Temperature sensor capable of reducing test mode time - A temperature sensor includes a temperature sensing unit for producing a sensing level by sensing an internal temperature in a semiconductor memory device, a reference level generating unit for setting up a reference level by selecting one of a plurality of reference voltages, which are set up according to the internal temperature of the semiconductor memory device, in response to a test mode signal and a temperature detecting signal, wherein the reference level generating unit includes fuse, and a comparison unit for comparing the sensing level to the reference level and producing the temperature detecting signal. | 2010-01-14 |
20100008161 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a charge pumping circuit, a level sensor, an oscillator, and a pumping control signal generator. The charge pumping circuit performs a negative-pumping operation to an external power in order to generate an internal voltage having a level lower than the external power. The level sensor senses a level of the internal voltage corresponding to a level of an adjusted reference voltage during a refresh mode. The oscillator generates a period signal in response to a sensing signal of the level sensor. The pumping control signal generator controls the operation of the charge pumping circuit in response to the period signal. | 2010-01-14 |
20100008162 | SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR GENERATING BIT LINE EQUALIZING SIGNAL - A bit line equalizing signal generator of a semiconductor memory device uses a supply voltage and a pumping voltage in stages during a period where a bit line equalizing signal is enabled, thereby enhancing an equalizing speed and an active speed while minimizing power consumption. The semiconductor memory device includes a bit line equalizing signal generating unit configured to drive an output terminal with the supply voltage during a first activation period at the beginning of the period where the bit line equalizing signal is enabled, and to drive the output terminal with the pumping voltage higher than the supply voltage during a second activation period following the first activation period, thereby outputting the bit line equalizing signal, and a bit line equalizing unit configured to equalize a bit line pair in response to the bit line equalizing signal. | 2010-01-14 |
20100008163 | MEMORY ARCHITECTURE AND CELL DESIGN EMPLOYING TWO ACCESS TRANSISTORS - An improved memory array architecture and cell design is disclosed in which the cell employs two access transistors. In one embodiment, the two access transistors in each cell are coupled at one of their channel terminals to a memory element, which in turn is connected to a bit line. The other of the channel terminals are effectively tied together via reference lines. The word lines (i.e., gates) of the two access transistors are also tied together. The result in a preferred embodiment is a cell having two access transistors wired and accessed in parallel. With such a configuration, the widths of the access transistors can be made one-half the width of more-traditional one-access-transistor designs, saving layout space in that (first) dimension. Moreover, because the word lines of adjacent cells will be deselected, the improved design does not require cell-to-cell isolation (e.g., trench isolation) in the other (second) dimension. The result, when applied to a phase change memory, comprises about a 37% reduction in layout area from previous cell designs. | 2010-01-14 |
20100008164 | MEMORY - A memory capable of suppressing reduction of data determination accuracy is provided. This memory includes a memory cell connected to a bit line for holding data and a bipolar transistor whose base is connected to the bit line. In data reading, the memory reads the data by amplifying a current, corresponding to the data of the memory cell, appearing on the bit line with the bipolar transistor. | 2010-01-14 |
20100008165 | MEMORY CELL SENSING USING NEGATIVE VOLTAGE - Embodiments of the present disclosure provide methods, devices, modules, and systems for memory cell sensing using negative voltage. One method includes applying a negative read voltage to a selected access line of an array of memory cells, applying a pass voltage to a number of unselected access lines of the array, and sensing whether a cell coupled to the selected access line is in a conductive state in response to the applied negative read voltage. | 2010-01-14 |
20100008166 | CIRCUIT AND METHOD FOR CONTROLLING LOADING OF WRITE DATA IN SEMICONDUCTOR MEMORY DEVICE - A circuit for controlling the loading of write data in a semiconductor memory device includes a global bus; a data block configured to selectively load data of a predetermined first burst length or data of a second burst length, which is a half of the first burst length, for writing on the global bus in response to a control signal; and a memory bank configured to write the data of the first burst length or the data of the second burst length. | 2010-01-14 |
20100008167 | SEMICONDUCTOR MEMORY DEVICE AND OPERATION METHOD THEREOF - A semiconductor memory device includes a delay locked loop to generate a delay control signal corresponding to a detected phase difference between reference and feedback clock signals, a delay locked loop (DLL) clock signal, and the feedback clock signal. The memory device further includes a delay time measurement device to measure a first degree of delay between the reference and feedback clock signals and output a delay measurement value, and an output enable signal generation device to delay read command information synchronized with an external clock signal by a second degree of delay between the reference and DLL clock signals. The output enable signal generation device generates the read command information as final output enable signal by synchronizing the read command information with the DLL clock signal according to the delay measurement value and column address strobe (CAS) latency information. | 2010-01-14 |
20100008168 | PROGRAMMABLE CONTROL BLOCK FOR DUAL PORT SRAM APPLICATION - A dual-port static random access memory (SRAM) includes a multitude of programmable delay elements disposed along the paths of a number signals used to carry out read, write or read-then-write operations. At least one of the programmable delay elements controls the timing margin between a pair of clock signals that trigger a read/write enable signal. A second programmable delay element coarsely adjusts the delay of a first signal associated with a dummy bitline. A third programmable delay element finely adjusts the delay of a second signal associated with the dummy bitline. A fourth programmable delay element controls the delay of a signal used to reset the read/write enable signal. During a read operation, the voltage level of the second signal is used as an indicator to activate the sense amplifiers. During a write operation, the voltage level of the second signal is used to control the write cycle. | 2010-01-14 |
20100008169 | Latency Control Circuit and Method Thereof and an Auto-Precharge Control Circuit and Method Thereof - A latency control circuit and method thereof and auto-precharge control circuit and method thereof are provided. The example latency control circuit may include a master unit activating at least one master signal based on a reference signal and an internal clock signal and a plurality of slave units receiving the at least one master signal, each of the plurality of slave units receiving a plurality of signals and outputting an output signal based at least in part upon one of the received plurality of signals. The example method of latency control may include receiving at least one master signal, the received at least one master signal activated based on a reference signal and an internal clock signal and receiving a plurality of signals and outputting an output signal based at least in part upon one of the received plurality of signals and latency information. The example auto-precharge control circuit may include a precharge command delay unit generating a plurality of first precharge command delay signals in response to an internal clock signal and a write auto-precharge command signal, at least one bank address delay unit outputting a delayed bank address signal and a precharge main signal generator outputting a precharge main signal to banks based on the delayed bank address signal. The method of performing a precharging operation with the auto-precharge control circuit may include delaying a bank address signal based on a minimum time interval between executed memory commands and outputting a precharge main signal to one or more memory banks based on the delayed bank address signal. | 2010-01-14 |
20100008170 | Semiconductor tester and testing method of semiconductor memory - The disclosure concerns a semiconductor tester for testing a memory under test. The semiconductor tester comprises a pattern generator generating address information on the pages and generating a test pattern; a waveform shaper shaping the test pattern and outputting a test signal based on the shaped test pattern to the memory cells in the page identified by the address information; a comparator comparing a result signal output from the memory under test receiving the test signal with an expectation value; and a bad block memory storing information on a bad block in the memory under test in advance, when the page identified by the address information is included in the bad block, the bad block memory outputting a bad signal used to skip from the address information on the page included in the bad block to the address information on the page included in a next block under test. | 2010-01-14 |
20100008171 | READ ASSIST CIRCUIT OF SRAM WITH LOW STANDBY CURRENT - A SRAM memory with a read assist circuit is presented. The read assist circuit uses bitline voltage level switches, which are connected to a low power supply and a high power supply. The bitline voltage level switches have a write operation state, a read operation state, and a standby operation state. The write operation state selectively provides the high power supply to bitlines in columns selected for a write operation, and provides the low power supply to bitlines in the remaining columns. The read operation state selectively provides the low power supply to bitlines in columns selected for the read operation, and provides the low power supply to bitlines in the other columns. The standby operation state selectively provides the low power supply to bitlines in all columns when not in the read operation state or the write operation state. | 2010-01-14 |
20100008172 | DYNAMIC TYPE SEMICONDUCTOR MEMORY DEVICE AND OPERATION METHOD OF THE SAME - A dynamic type semiconductor memory device includes a sense amplifier connected with a bit line pair to amplify and sense a voltage difference on the bit line pair; a precharge circuit configured to precharge the bit line pair to a power supply voltage on a lower side in response to a first control signal; a memory cell capacitance having one end which is connected with the bit line pair through a first switch circuit which is controlled in response to a signal on a word line; and a reference cell capacitance having one end which is connected with the bit line pair through a second switch circuit which is controlled in response to a signal on a reference word line. The other end of the memory cell capacitance and the other end of the reference cell capacitance are electrically separated. | 2010-01-14 |
20100008173 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a charge pumping circuit, a level sensor, an oscillator, and a pumping control signal generator. The charge pumping circuit performs a negative-pumping operation to an external power in order to generate an internal voltage having a level lower than the external power. The level sensor senses a level of the internal voltage corresponding to a level of an adjusted reference voltage during a refresh mode. The oscillator generates a period signal in response to a sensing signal of the level sensor. The pumping control signal generator controls the operation of the charge pumping circuit in response to the period signal. | 2010-01-14 |
20100008174 | Adaptive training and adjustment to changing capacitor values based upon age and usage behavior - An apparatus includes logic to determine a discharge drop of a capacitor and to adjust an enablement charge level of the capacitor according to the discharge drop. | 2010-01-14 |
20100008175 | BATTERY-LESS CACHE MEMORY MODULE WITH INTEGRATED BACKUP - A memory module is provided comprising a substrate having an interface to a host system, volatile memory, non-volatile memory, and a logic device. The logic device may receive the indicator of an external triggering event and copies data from the volatile memory devices to the non-volatile memory devices upon receipt of such indicator. When the indicator of the triggering event has cleared, the logic device restores the data from the non-volatile to the volatile memory devices. The memory module may include a passive backup power source (e.g., super-capacitor) that is charged by an external power source and temporarily provides power to the memory module to copy the data from volatile to non-volatile memory. A voltage detector within the memory module may monitor the voltage of an external power source and generates an indicator of a power loss event if voltage of the external power source falls below a threshold level. | 2010-01-14 |
20100008176 | Write Leveling Of Memory Units Designed To Receive Access Requests In A Sequential Chained Topology - A memory controller provided according to an aspect of the present invention uses a slower clock signal during write leveling compared to when performing write operations thereafter. Due to such use of a slower clock signal, the various desired delays can be determined accurately and/or easily. In an embodiment, the frequency of the slower clock signal is determined based on the maximum fly-by delay (generally the delay between sending of a signal on the shared sequential path and the receipt at the memory unit in the sequence) that may be present in the memory system. For example, if the fly by delay can be M (an integer) times the time period of the clock signal during normal write operations, the slower clock signal may have a time period of M times that of the clock signal during write operation. | 2010-01-14 |
20100008177 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a clock input unit configured to receive a first clock and a second clock from the external. The memory device further includes a frequency conversion unit configured to convert a frequency of the second clock so that the frequency of the second clock becomes identical to a frequency of the first clock, a phase comparison unit configured to compare a phase of the first clock with that of a clock outputted from the frequency conversion unit, and output a comparison signal corresponding to the comparison result, a logic level change unit configured to change a logic level of a training information signal when a logic level of the comparison signal is fixed for a given time after being changed, and a signal transfer unit configured to transfer the training information signal to the external. | 2010-01-14 |
20100008178 | Acoustic Beverage Mixer - A method and device for mixing beverages and dissolving solids comprising a casing with at least one opening for positioning a beverage container, a signal generator housed within said casing, for generating electrical signals, at least one transducer housed within said casing and coupled with said signal generator, for producing mechanical vibrations from a signal generated by said signal generator, wherein said mechanical vibrations vibrate a beverage container positioned on said casing causing acoustic vibrations within the beverage inside the beverage container, said acoustic vibrations causing beverages and solids within the beverage container to mix. | 2010-01-14 |
20100008179 | PRE-MIXING APPARATUS FOR A TURBINE ENGINE - A pre-mixing apparatus for a turbine engine includes a main body having an inlet portion, an outlet portion and an exterior wall that collectively establish at least one fluid delivery plenum, and a plurality of fluid delivery tubes extending through at least a portion of the at least one fluid delivery plenum. Each of the plurality of fluid delivery tubes includes at least one fluid delivery opening fluidly connected to the at least one fluid delivery plenum. With this arrangement, a first fluid is selectively delivered to the at least one fluid delivery plenum, passed through the at least one fluid delivery opening and mixed with a second fluid flowing through the plurality of fluid delivery tubes prior to being combusted in a combustion chamber of a turbine engine. | 2010-01-14 |
20100008180 | APPARATUS FOR DISSOLVING SOLID PARTICLES AND LIQUID SUBSTANCES IN A LIQUID - The invention relates to an apparatus for admixture and/or dissolution of solid particles and/or liquid substances in a liquid, said apparatus being connected to a field sprayer or the like and comprising a container part with lid, supply of water and discharge pipe for the admixture or the solution, wherein an outlet opening ( | 2010-01-14 |
20100008181 | Device for producing a hardenable mass - The present invention relates to a device for producing a hardenable mass, preferably bone substitute and/or bone reinforcing material or bone cement or similar material. A mixing container ( | 2010-01-14 |
20100008182 | MAGNETIC MIXING SYSTEM - The invention relates to a magnetic mixing system comprising a mixing body, which is located in a container filled with a medium and which can be made to rotate by a rotating magnetic field that is generated by a solenoid system, and comprising an electronic controller and regulator. According to the invention, the inactivity of the mixing body can be detected and/or conclusions concerning the viscosity of the medium can be drawn and/or the height of the magnetic field can be modified in order to transfer the mixing body to a floating state and/or the electronic controller and regulator is at a location that is remote from the solenoid system. The magnetic mixing system permits the mixing of a medium in the form of a liquid, a liquid-solid mixture, a liquid-gas mixture, a gas-solid mixture or a liquid-gas-solid mixture by means of the mixing body. | 2010-01-14 |
20100008183 | Self-Cleaning and Mixing Microfluidic Elements - Apparatus and methods are disclosed for mixing and self-cleaning elements in microfluidic systems based on electrothermally induced fluid flow. The apparatus and methods provide for the control of fluid flow in and between components in a microfluidic system to cause the removal of unwanted liquids and particulates or mixing of liquids. The geometry and position of electrodes is adjusted to generate a temperature gradient in the liquid, thereby causing a non-uniform distribution of dielectric properties within the liquid. The dielectric non-uniformity produces a body force and flow in the solution, which is controlled by element and electrode geometries, electrode placement, and the frequency and waveform of the applied voltage. | 2010-01-14 |
20100008184 | Method for aquiring and processing marine seismic data to extract and constructively use the up-going and down-going wave-fields emitted by the source(s) - A method for acquisition and processing of marine seismic signals to extract up-going and down- going wave-fields from a seismic energy source includes deploying at least two marine seismic energy sources at different depths in a body of water. These seismic energy sources are actuated with known time delays that are varied from shot record to shot record. Seismic signals from sources deployed at different depths are recorded simultaneously. Seismic energy corresponding to each of the sources is extracted from the recorded seismic signals. Up-going and down-going wave-fields are extracted from the sources deployed at different depths using the extracted seismic energy therefrom. A method includes the separated up-going and down-going wave-fields are propagated to a water surface or a common reference, the up-going or the down-going wave-field is 180 degree phase shifted, and the signals from these modified up-going and down-going wave-fields are summed. | 2010-01-14 |
20100008185 | METHOD TO ACQUIRE SIMULTANEOUSLY SEISMIC DATA WITH SOURCE ARRAYS DESIGNED FOR SPECIFIC TARGETS - A method and apparatus for acquiring seismic data. In one embodiment, the method includes: moving a first air gun array in the water at a first depth and a second air gun array in the water at a second depth greater than the first depth, in which the total volume of the first air gun array is less than the total volume of the second air gun array, in which the first air gun array is separated from the second air gun array by a distance substantially equal to a shot point interval, firing seismic energy through the first and second air gun arrays through the water into the earth, and recording seismic signals reflected from strata in the earth beneath the water. | 2010-01-14 |
20100008186 | FLEXURAL WAVE ATTENUATION - A seismic information processing method and apparatus includes attenuating flexural wave noise information from seismic information. Flexural wave information removal includes receiving the seismic information using an information processing device interface, the seismic information having a plurality of directional components acquired using a multi-axis motion sensor coupled to ice floating on a body of water, the seismic information including desired seismic information and the flexural wave information. A noise model of the flexural wave information may be generated using at least one of the plurality of seismic information directional components using an information processing device. The noise model is improved using an adaptive correction filter, and the improved noise model is applied to at least one directional component of the received seismic information to attenuate the flexural wave information wave in the seismic information. | 2010-01-14 |
20100008187 | METHOD OF SEISMIC SURVEYING - A method enables the time required to complete a seismic survey and the noises recorded in the seismic data to be reduced. One aspect of the method includes actuating a first vibrator group to start a first sweep at time T | 2010-01-14 |
20100008188 | SYSTEM AND METHOD FOR ACQUIRING INFORMATION DURING UNDERGROUND DRILLING OPERATIONS - A preferred method for acquiring information during an underground drilling operation includes providing a sensing device capable of acquiring information concerning the underground drilling operation from a down-hole location on a selective basis in response to an input from the surface, and drilling for a first period of time. The preferred method also includes sending the input to the sensing device after drilling for the first period of time, and drilling during a second period of time while acquiring the information using the sensing device. | 2010-01-14 |
20100008189 | METHODS AND SYSTEMS FOR COMMUNICATING DATA THROUGH A PIPE - An acoustic telemetry system includes a piezoelectric stack at least partially disposed within a segment of pipe, and electrical circuitry for controlling the piezoelectric stack. In response to a signal from the electrical circuitry, the piezoelectric stack generates a plurality of acoustic signals for transmission through the pipe at different frequencies spanning multiple regions of a frequency response for the pipe. | 2010-01-14 |
20100008190 | Apparatus and Method for Data Transmission from a Rotating Control Device - The present invention generally relates to an apparatus and a method of transmitting data from a rotating control device. In one aspect, a method of transmitting data from a rotating control device coupled to an offshore drilling unit is provided. The method includes the step of generating data relating to a parameter associated with the rotating control device. The method further includes the step of transmitting the data from a transmitting assembly coupled to the rotating control device to a receiving assembly positioned proximate the transmitting assembly. Additionally, the method includes the step of transmitting the data from the receiving assembly to the offshore drilling unit. In another aspect, a data gathering and transmitting system for use with a rotating control device coupled to an offshore drilling unit is provided. In a further aspect, a method for transmitting data generated in a rotating control device coupled to a riser is provided. | 2010-01-14 |
20100008191 | ACOUSTIC PROJECTOR HAVING MINIMIZED MECHANICAL STRESSES - An acoustic projector which includes an outer shell formed of a reinforced epoxy resin having a longitudinal slot has an inner reinforcing liner formed of metal to reduce mechanical stress. The liner extends throughout the length of the outer shell and has a longitudinal slot aligned with the slot formed in the shell. An arcuate shaped driver is mounted along a portion of the I.D. of the metal liner and separated therefrom by insulation. In an alternate embodiment, the outer shell is formed of a plurality of overlapping layers of epoxy/graphite strips extending at various angles to increase the Z-axis stiffness. | 2010-01-14 |
20100008192 | TIME INFORMATION OBTAINING APPARATUS AND RADIO TIMEPIECE - A signal composing circuit | 2010-01-14 |
20100008193 | REPRODUCTION SYSTEM - To limit the number of contents which can be reproduced among a plurality of contents recorded on a recording medium. [MEANS FOR SOLVING PROBLEMS] A reproduction device ( | 2010-01-14 |
20100008194 | READING METHOD AND DEVICE FOR OPTICAL DISK DRIVES - A reading method and a reading device for an optical disk drive, which reads data on a track of an optical disk, receives a host command to read required data, checks cache data, reads cache required data to respond to the command, sets the required data to a target track of the optical disk if no required data exists, calculates moving time for which an optical head is moved from a current position to the target track by way of track jumping and track skipping, respectively, compares the moving time for the track skipping and the track jumping with each other, selects one of the track jumping and the track skipping corresponding to the shorter one of the moving time, moves the optical head to the target track to read the required data and responds to the host command to enhance the reading efficiency. | 2010-01-14 |
20100008195 | Optical Scanning Device and Method for Scanning - An optical scanning device is adapted for scanning a record carrier having an outer face. The optical scanning device comprises a radiation source for generating a radiation beam, and an objective system having an exit face arranged for evanescent coupling of the radiation beam between the exit face and the outer face and for converging the radiation beam to a focus. A gap servo maintains a distance between the exit face and the outer face at a predetermined gap height. The optical scanning device includes a control unit for setting the predetermined gap height at at least two different values. | 2010-01-14 |
20100008196 | ABERRATION CORRECTING APPARATUS - In optical disc systems, read-out is hampered because of spherical aberrations resulting from cover layer thickness variations or because discs consists of multiple layers. The aberration correcting apparatus ( | 2010-01-14 |
20100008197 | OPTICAL DISK APPARATUS AND EMISSION CONTROL METHOD - An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a plurality of addresses is recorded, an optical pickup that records/reproduces an information signal on/from the information recording surface of the optical disk rotated by the spindle motor, an strobe light-emitting unit that irradiates a label surface of the optical disk with light, and a control unit that causes the strobe light-emitting unit to emit light based on an address selected from the plurality of addresses as a reference address and a reference signal readable from the optical disk. | 2010-01-14 |
20100008198 | OPTICAL RECORDING/REPRODUCING METHOD, SYSTEM, AND PROGRAM - An optical recording/reproducing system | 2010-01-14 |
20100008199 | METHOD AND SYSTEM FOR CONTROLLING OPTICAL PICK-UP HEAD LOCKED TO TRACK CENTER OF OPTICAL STORAGE MEDIUM - A method for controlling a position of a laser spot of a laser beam on an optical storage medium of a land and groove recording/reproduction type is provided. The method includes: detecting a pulse occurring in a reference signal while the laser spot is passing through a boundary between a groove track and a land track, wherein the reference signal is generated according to a reflected laser beam from the optical storage medium; determining a compensation value of the reference signal according to the pulse; utilizing the compensation value to adjust the reference signal for generating an adjusted reference signal; and utilizing the adjusted reference signal to control the position of the laser spot. | 2010-01-14 |
20100008200 | OPTICAL DISC APPARATUS AND SIGNAL RECORDING SURFACE DETECTING METHOD - An optical disc apparatus includes: an objective lens that condenses a first light beam, which is emitted from a light source and corresponds to a first optical disc, and that illuminates the first light beam to an unknown disc whose type is unknown; a driving section that drives the objective lens in a focus direction approaching or becoming distant from the unknown disc; a rotation section that rotates the unknown disc; a signal processing section that generates a first reproduction signal indicating a total amount of a first returning light beam generated by reflection of the first light beam from the unknown disc; and a detecting section that detects a first signal recording surface, which corresponds to the first optical disc, from the unknown disc on the basis of the first reproduction signal. | 2010-01-14 |
20100008201 | DEMODULATION METHOD AND APPARATUS - A demodulation method comprises the steps of performing branch metric computation on each of columns of a modulation symbol; calculating column path metrics that are respective path metrics of column state values of modulation symbols; and calculating symbol path metrics that are respective path metrics of symbol state values of the modulation symbols. | 2010-01-14 |
20100008202 | OPTICAL INFORMATION RECORDING MEDIUM, RECORDING PARTICLE, METHOD FOR REPRODUCING OPTICAL INFORMATION, OPTICAL INFORMATION REPRODUCING APPARATUS, METHOD FOR RECORDING OPTICAL INFORMATION, AND OPTICAL INFORMATION RECORDING APPARATUS - An optical information recording apparatus includes a recording layer, wherein nanoparticles having diameters of 100 nm or less are disposed while being surrounded by a medium having a complex dielectric constant which is changed in accordance with an application of light and the degree of local plasmon resonance produced by the nanoparticles is changed in accordance with the change in the complex dielectric constant of the medium. | 2010-01-14 |
20100008203 | SEMICONDUCTOR DEVICE, ITS MANUFACTURING METHOD AND OPTICAL PICKUP MODULE - A semiconductor element is mounted on a rectangular base of a package including the base and ribs provided on a pair of opposite external edges of the base. Electrode pads of the semiconductor element and connection electrodes provided on rib upper surfaces are connected to each other by metal wires. On the rib upper surfaces, spacers are provided at locations closer to the outside than the connection electrodes. A transparent lid adheres to the upper surfaces of the spacers to cover the entire surface of the package. The height of the spacers is greater than the diameter of the metal wires. | 2010-01-14 |
20100008204 | MULTI-WAVELENGTH MICRO HOLOGRAPHIC DATA RECORDING/REPRODUCING APPARATUS - A multi-wavelength micro holographic data recording and/or reproducing apparatus in which decentering of light beams having different wavelengths is compensated for, the apparatus including: at least two light sources emitting the light beams; at least two photodetectors respectively detecting the light beams reflected from an optical recording medium; and an optical system guiding the light beams emitted from the light sources to the optical recording medium along a common optical path and guiding the light beams reflected from the optical recording medium to corresponding photodetectors, wherein the optical system includes: an objective lens focusing a light beam on the optical recording medium; a common decenter compensation member provided on the common optical path to adjust traveling angles of the light beams; and an individual decenter compensation member provided on an individual optical path of a light beam of individual wavelength to adjust a traveling angle of the light beam. | 2010-01-14 |
20100008205 | Optical pickup and optical device - An optical pickup includes a first laser beam light source | 2010-01-14 |
20100008206 | METHOD AND APPARATUS FOR RECORDING/REPRODUCING HOLOGRAPHIC INFORMATION - Provided are a method and apparatus for recording/reproducing holographic information. The apparatus for recording/reproducing holographic information includes an optical pickup which irradiates light on a holographic information storage medium and receives irradiated light, wherein the optical pickup comprises a focusing optical system having a numerical aperture (NA) during recording that is lower than the NA during reproduction. | 2010-01-14 |
20100008207 | Method and Apparatus for Optical Power Transfer Control - A method and apparatus involve: supporting an optical part for movement in relation to a first path of travel of radiation; moving the part successively to first and second positions in which radiation arriving along the first path of travel passes respectively through first and second sections of the part that provide respective different levels of refraction, the first and second sections causing radiation to thereafter travel along respective second and third paths of travel; and receiving at an output first and second portions of radiation respectively propagating along the second and third paths of travel, the first and second portions containing different amounts of optical energy. | 2010-01-14 |
20100008208 | Optical Recording Using a Waveguide Structure and a Phase Change Medium - An apparatus includes a component having a first surface, a first waveguide for directing electromagnetic radiation to a focal point adjacent to the first surface, a storage medium positioned adjacent to the first surface, a detector for detecting electromagnetic radiation reflected from the storage medium, and a structure positioned adjacent to the focal point for collecting the reflected electromagnetic radiation and for transmitting the reflected electromagnetic radiation toward the detector, wherein the structure comprises a second waveguide including a first cladding layer positioned adjacent to a first side of the first waveguide and having a first end positioned adjacent to the first surface and a second cladding layer positioned adjacent to a second side of the first waveguide and having a first end positioned adjacent to the air bearing surface. | 2010-01-14 |
20100008209 | INFORMATION RECORDING/REPRODUCING DEVICE - An information recording/reproducing device according to an aspect of the present invention includes a recording layer, and a recording circuit which records data to the recording layer by generating a phase change in the recording layer. The recording layer includes a first chemical compound having one of a Wolframite structure and a Scheelite structure. | 2010-01-14 |
20100008210 | 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 user data and parity data, and to methods and apparatuses for forming, recording, and reproducing the recording medium. | 2010-01-14 |
20100008211 | Information reproducing apparatus and information reproducing method - An information reproducing apparatus has a medium with a linear tracking mark extending in a scanning direction and a linear data mark extending in a direction orthogonal to the scanning direction. A light control unit irradiates the data mark with a first near-field light polarized in the scanning direction and irradiates the tracking mark with a second near-field light polarized in the direction orthogonal to the scanning direction. A detector detects light scattered by the data mark and the tracking mark irradiated with the first near-field light and the second near-field light, respectively. A signal processing unit processes a first output signal from the detector corresponding to the detected light scattered by the data mark and processes a second output signal from the detector corresponding to the detected light scattered by the tracking mark. The signal processing unit has a control circuit that carries out tracking control in accordance with an intensity of the second output signal and that carries out access control in accordance with an intensity of the first output signal. | 2010-01-14 |
20100008212 | OPTICAL DISK - The present invention relates to an optical disc for use as a recording medium in an optical disc drive, which has a transparent protection film ( | 2010-01-14 |
20100008213 | HOME PHONE LINE NETWORKING ENHANCEMENTS FOR MULTIPLE DWELLING UNIT ENVIRONMENTS - A Home Phoneline system operating within a Multiple Dwelling Unit includes a Home Phoneline Access Multiplexer (HPAN) that services a plurality of Home Phoneline networks, each including at least one Home Phoneline station. The HPAN synchronizes upstream and downstream transmissions to eliminate Near-Far cross-talk. According to a second operation of the present invention, the HPAN manages the transmission power of the HomePNA stations of the HomePNA networks to reduce Near-Near and Far-Far cross-talk. To optimize throughput across the whole building, station power levels are adjusted based on their location in terms of amounts of attenuation. A third method of operation according to the present invention includes adjusting the receiver sensitivity of the Home Phoneline stations according to detected or characterized levels of cross-talk within the MDU. | 2010-01-14 |
20100008214 | Interleaving with iterative calculation of interleaving addresses - A method and a device ( | 2010-01-14 |
20100008215 | EQUAL PHASE COMBINING TECHNIQUE FOR A ROBUST OFDM SYSTEM - A technique for an equal phase combining for a robust orthogonal frequency division multiplexing (OFDM) system under high delay spread channel is disclosed. In one embodiment, a method includes receiving and synchronizing transmitted OFDM symbols having cyclic prefixes via a symbol synchronizer module, removing the cyclic prefixes from the OFDM symbols, via a cyclic prefix remover module, to form time domain symbols, converting the time domain symbols to frequency domain symbols via an FFT module, equalizing a received sub-carrier with complex conjugate of estimated channel coefficients in frequency domain at the same sub-carrier frequency via an equalizer, combining the frequency domain symbols spread over multiple sub-carriers during transmission via a combiner, and detecting phase information from the mapped combined PSK constellation symbol via a detector module. | 2010-01-14 |
20100008216 | APPARATUS AND METHOD FOR ESTIMATING AND COMPENSATING TIME OFFSET AND/OR CARRIER FREQUENCY OFFSET IN MIMO SYSTEM BASED OFDM/OFDMA - The present invention relates to an apparatus and method for estimating and compensating for a time offset and a carrier frequency offset in a Multiple Input Multiple Output (MIMO) communication system that supports Orthogonal Frequency Division Multiplexing (OFDM) or Orthogonal Frequency Division Multiplexing Access (OFDMA). According to the present invention, a phase difference of pilot signals of the same transmitting antenna, which are received through receiving antennas, is calculated. An arc tangent operation is then carried out on the phase difference of the pilot signals to calculate a time offset linear phase and/or a carrier frequency offset linear phase. Further, a time offset compensation value and/or a carrier frequency offset compensation value are found by employing the time offset linear phase and/or the carrier frequency offset linear phase. A time offset and/or a carrier frequency offset with respect to pilots and data are compensated for by employing the time offset compensation value and/or the carrier frequency offset compensation value. | 2010-01-14 |
20100008217 | METHOD AND SYSTEM FOR DETECTING ADJACENT CHANNEL INTERFERENCE FROM OFDM/OFDMA BASED BROADBAND WIRELESS ACCESS - Disclosed are a method and system for detecting adjacent channel interference between two systems having neighboring frequencies. The method and system calculates a Fast Fourier Transform (FFT) output for one or more upper and lower frequency side null subcarriers and center data subcarriers of a frequency channel. Power values are calculated for the upper and lower frequency side null subcarriers and the center data subcarriers for use in determining a presence of adjacent channel interference (ACI). | 2010-01-14 |
20100008218 | Termination Message for Wireless Wide Area Network Routers - A wireless router device is configured to detect a fault that would prohibit wireless communications between the router and a wireless wide area network. A message, referred to herein as a termination message, is then generated. The termination message contains information describing the fault and is configured to cause termination of wireless communication with the wireless wide area network. The wireless router than transmits the termination message to at least one base transceiver station that is part of the wireless wide area network. The base transceiver station is then able to assess and reallocate resources, including power management, based on the fault information contained in the received termination message. | 2010-01-14 |
20100008219 | Automatic network signal diversion mechanism - The present invention provides an automatic network signal diversion mechanism capable of preventing interruptions of power supply and signals, which comprises an electronic device, at least one filter module and an automatic diversion device. The electronic device has a circuit board mounted with a plurality of electronic components, the filter module, the automatic diversion device and a circuit layout, and equipped with at least one signal input port and signal output port connected electrically with the filter module and the automatic diversion device. The filter module is electrically connected with a data processing unit on a motherboard of a computer host to enable filtering of external network signals, and the automatic diversion device is electrically connected with a power input device. When the power input device fails, a signal diversion component of the automatic diversion device will be in a closed-circuit connection status for allowing external network signals to be inputted from the signal input port and directly diverted and outputted to the signal output port, so as to avoid interruptions of power supply or signals for the electronic device that may occur as a result of short circuits, cut-off or failure of the power input device. | 2010-01-14 |
20100008220 | System for Securing the Access to a Destination in a Virtual Private Network - A system for securing the access to a destination of a virtual private network (VPNA) connected to a nominal access router (PE | 2010-01-14 |
20100008221 | METHOD AND APPARATUS FOR SETTING DETOUR PATH IN WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM USING CENTRALIZED MAC PROTOCOL - Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided. | 2010-01-14 |
20100008222 | Routing Method in a Label Switching Network - A head router ( | 2010-01-14 |
20100008223 | Adaptive Fast Retransmit Threshold to Make TCP Robust to Non-Congestion Events - Methods, systems, and media are disclosed for adjusting a fast re-transmit threshold (FRT) value for transmitting data streams over a computer system. One embodiment includes receiving, by a sender, a current fast re-transmit threshold value for a packet from a receiver. Further, the method includes decreasing the size of the congestion window of the sender, and re-transmitting the packet to the receiver in network communication with the sender. Further still, the method includes counting, by the sender, a number of dupacks after re-transmitting the packet until arrival, at the sender, of an acknowledgement (ACK) for the packet. Yet further, the method includes determining, based on the size of the congestion window and the counting, a value of the FRT value. If the sender receives the ACK for the packet in less than one round trip time, then this may be a re-ordering problem for re-setting the FRT value. | 2010-01-14 |
20100008224 | Method for Optimizing the Transfer of Information in a Telecommunication Network - The invention relates to a method for optimising the transfer of information in a telecommunications network comprising a plurality of producers of information P | 2010-01-14 |
20100008225 | SYSTEM FOR CHANNEL CONGESTION MANAGEMENT - A system for managing data traffic in a multi-user multiple-simultaneous-access (MUMSA) environment, for example in a code reuse multiple access (CRMA) environment or other physical environment having true random access with more than one transmission present at the same time, the system including a channel load estimator for multiple users, a congestion threshold calculator using the estimate of channel load to calculate threshold on an ongoing basis, a tester at each terminal performing an experiment using that congestion threshold value and a random number generator to determine if a packet is eligible to be transmitted, a traffic controller for transferring downstream virtual channel traffic and a redistributing mechanism for redistributing user terminals to affiliate with the proper downstream virtual channel. | 2010-01-14 |
20100008226 | METHOD OF ADJUSTING PCS THRESHOLD AND TERMINAL APPARATUS FOR HIGH DENSITY WIRELESS NETWORK - Provided are a method of adjusting a PCS threshold in a wireless network, and a terminal apparatus for the wireless network. The method and the apparatus determines whether to adjust the PCS threshold to use a shared channel for transmitting data in a wireless network based on a congestion status of the shared channel, and adjusts the PCS threshold based on a packet loss measured for a predetermined period of time. | 2010-01-14 |
20100008227 | SYSTEM AND METHOD FOR OVERLOAD CONTROL IN A NEXT GENERATION NETWORK - A Call Server in a network is able to monitor an offered rate of incoming calls per Access Gateway (AGW). A calculated GlobalLeakRate can be distributed between the AGWs in proportion to the traffic rate they offer. A leak rate calculation method is used to calculate the GlobalLeakRate control parameter of the ETSI NR restrictor at an overloaded Control Server The leak rate calculation is based on the POTS call rejection rate. In one particular embodiment of the present invention, the calculation is based on bringing the call reject rate close to a configurable low target reject level. An MGC is able to identify the end of an overload event with a greater degree of confidence and an AGW is able respond appropriately if the AGW is prematurely instructed to stop the control. | 2010-01-14 |
20100008228 | Network Cross-Domain Precedence and Service Quality Conflict Mitigation - A method, computer program product, and system are provided for prioritizing data in a network system. For example, an embodiment of the method may include allocating network system resources to high-priority data with an identifier and dynamically changing a threshold level from a pre-assigned, minimum level in the allocation of network resources based on data traffic with the identifier received by a communication device in the network system. In allocating network system resources, the data with the identifier may be filtered into a separate data stream from data without the identifier. For instance, the data stream containing data with the high-priority identifier may be directed to a high-priority buffer that has a minimum allocation of network resources dedicated to the buffer to ensure unencumbered data transfer between the communication device and a destination within the network system. Further, in dynamically changing the threshold level, network resources may be allocated to data with a high-priority identifier as the high-priority data is received by the communication device. A prioritization of network resource queue space for the data with the high-priority identifier and then a prioritization of data without the high-priority identifier in the remaining queue space, if any, according to Quality of Service (QoS) requirements may be required when allocating network resources. Therefore, the method described above may be used to propagate prioritized data across a network while accommodating for QoS requirements. | 2010-01-14 |
20100008229 | Method and system for joint reverse link access and traffic channel radio frequency overload control - A system for joint reverse link access and traffic channel overload control in a cellular network includes relieving the reverse link total loading to optimize resource utilization and distribution among different types of mobile device users. The cellular network includes a plurality of mobile stations that wirelessly communicate with a base station over a reverse link, using a CDMA or similar communications protocol. A joint access and traffic overload control module creates an access channel load relief plan, a traffic channel load relief plan and then relieves the total loading of the reverse link based upon both the access channel load relief plan and the traffic channel load relief plan. | 2010-01-14 |
20100008230 | ACCESS MECHANISMS FOR BASE STATIONS IN HETEROGENEOUS ACCESS POINT NETWORKS - Providing for improved access communication for wireless systems is described herein. By way of example, wireless devices can employ wireless resource re-use in selecting a subset of access communication resources, to mitigate interference on uplink access requests. Re-use can be based on current network conditions, or on a type of base station facilitating the wireless communication. In some aspects, planned resource re-use can be facilitated by an access terminal. The access terminal requests neighboring or interfering network access points to reserve a set of resources for a serving access point. Reserved resources can be conveyed to the serving access point with an uplink access probe, to further mitigate interference. | 2010-01-14 |
20100008231 | Method and Apparatus for Automatic Sub-Division of Areas that Flood Routing Information - Techniques for sharing routing information over a network include determining whether the scale of a flooding domain exceeds a threshold. If so, then a router announcement message is sent over a particular link. The message indicates the local router is a flooding domain border router (FDBR). Summary routing information is determined with less than a certain level of detail used in the flooding domain for routers connected to the local router through links different from the particular link. The summary routing information is sent over the particular link in a link state message that includes type data that indicates summary routing information that crosses a FDBR. These techniques allow automatic favorable scaling of domains of shared routing information as the size of a mobile ad hoc network grows. | 2010-01-14 |
20100008232 | METHOD AND APPARATUS FOR MANAGING AUDIO CONTENTION IN NETWORKS - A method and an apparatus for managing an audio contention are disclosed. For example, the method receives a request by a device, and enters into a first state by the device, wherein the first state allows the device to use an audio channel in an upstream direction, wherein the device in the first state determines at least one of: a failure outcome for the request, a success outcome for the request or a continue outcome for the request. | 2010-01-14 |
20100008233 | METHODS AND APPARATUS TO DEPLOY AND MONITOR NETWORK LAYER FUNCTIONALITIES - Example methods and apparatus to deploy and monitor network layer functionalities are disclosed. A disclosed example method includes receiving an Internet Protocol (IP) packet at an input of a server, the IP packet being received from a communicatively coupled router, identifying the IP packet as a production IP packet or a non-production IP packets, when the IP packet is the non-production IP packet, manipulating data within the IP packet to monitor network layer functionality, forwarding the manipulated non-production IP packet to the router, and when the IP packet is the production IP packet, forwarding the production IP packet to the router without manipulating data within the IP packet. | 2010-01-14 |
20100008234 | PAGING SCHEMES FOR LOCAL NETWORK ACCESS - Paging and power consumption are managed in conjunction with providing local breakout in a wireless wide area network. In some aspects, if a packet destined for an access terminal is received at an access point that provides local breakout, the access point may inform the network so that the network will cause the access point to page the access terminal. Alternatively, in some aspects an access point that provides local breakout may maintain idle context of the access terminal, whereby the access point may autonomously page the access terminal (i.e., without involving the core network). In some aspects local breakout traffic is filtered at an access point to reduce the number of pages or packets sent to an access terminal. In some aspects an indication of a packet type is provided with a page message to enable an access terminal to determine whether to receive the packet. In some aspects a local link interface may be selectively disabled or enabled to limit traffic at an access terminal. | 2010-01-14 |
20100008235 | REPORTING AND RESOLVING CONFLICTING USE OF A NODE IDENTIFIER - Conflicting use of a node identifier in a wireless network is reported and resolved. In some aspects, a wireless node receives wireless signals and determines, based on those signals, that more than one node uses the same node identifier. The wireless node may then report the conflicting use to a network node. Here, the wireless node may delay for a period of time before reporting the conflicting use. In some aspects, an access point that discovers a conflicting use (e.g., based on a received signal that indicates that another access point is using that same node identifier) may report the conflicting use and/or elect to use a different node identifier. In some aspects, a stateful procedure is used to resolve a conflicting use where, upon identification of a conflicting use, an access point negotiates with another access point to cause one of these access points to use a different node identifier. In some aspects, a stateless procedure is used to resolve a conflicting use where, upon identification of a conflicting use, an access point delays for a period of time before determining whether a different node identifier is to be used at one of the nodes. | 2010-01-14 |
20100008236 | METHOD AND DEVICE FOR SENDING A BUFFER STATUS REPORT - A method and device of sending Buffer Status Reports (BSRs) are provided herein. The method includes: determining the type priority sequence of BSR by a user terminal, and selecting and processing one BSR based on the type priority. A user device is also provided. In the process of implementing the provided method and device, the terminal may select and process one BSR when the sum of the BSR qualified for triggering the sending and the BSR marked as pending is greater than one. The provided method and device may reduce resource waste because there is no situation that at least two BSRs sending processes are triggered at one time and at least two BSRs are sent at one time. | 2010-01-14 |
20100008237 | METHOD FOR TESTING DATA PACKET TRANSCEIVER USING LOOP BACK PACKET GENERATION - A method for testing a data packet transceiver as a device under test (DUT) by communicating, between one or more test instruments and the DUT, multiple data packets having at least one mutually distinct signal characteristic, such as data packet type, transmission power or transmission frequency. | 2010-01-14 |
20100008238 | UPPER NODE STATION AND PACKET TRANSMISSION METHOD - An upper node station for transmitting received packets to a mobile station via a base station includes a quality information extracting unit configured to extract quality information from the received packets; and a multiplexing unit configured to assign each of the received packets to a bearer service based on the extracted quality information to multiplex the received packets. The upper node station may further include a quality information management table configured to associate a packet header with the bearer service for each mobile station, and the multiplexing unit may identify the bearer service based on a packet header in each of the received packets referring to the quality information management table. | 2010-01-14 |
20100008239 | METHOD FOR TRANSMITTING DATA IN A RADIO NETWORK, A RADIO NETWORK AND A RECEIVER - The invention relates to a method for transmitting data in a transmission interval ( | 2010-01-14 |
20100008240 | METHODS AND APPARATUS TO MONITOR NETWORK LAYER FUNCTIONALITIES - Example methods and apparatus to monitor network layer functionalities are disclosed. A disclosed example method includes receiving a first probe packet at an input of a first server, the first probe packet being received from a router, the first probe packet being generated and transmitted from a second server that is one-hop away from the first server in a network, determining if the first server is a final destination of the first probe packet, and if the first server is not the final destination of the first probe packet, generating a second probe packet and transmitting the second probe packet to the router for transmission toward the final destination. | 2010-01-14 |
20100008241 | Method of Determining Video Quality - A method and a device utilizing an algorithm using measurement data derived from parameters related to a video-streaming player and/or parameters related to data transport is disclosed. The data are used as input data in a model designed to generate a value corresponding to the quality of the multimedia sequence, such as for example a MOS score. | 2010-01-14 |
20100008242 | Wireless subscriber uplink (UL) grant size selection - A method and apparatus of a wireless subscriber requesting an Uplink (UL) grant size from a base station (BS) are disclosed. One method includes the subscriber analyzing traffic patterns of uplink data, the subscriber selecting a new grant size based on the analyzed traffic patterns, and the subscriber requesting the new grant size by signaling the new grant size to the BS. | 2010-01-14 |
20100008243 | FLASH POSITION SIGNALING: MULTIPLEXING AND INTERFERENCE MANAGEMENT - Systems and methodologies are described that facilitate use of power and phase coherence to multiplex or manage interference in a wireless communication environment. In accordance with various aspects set forth herein, systems and/or methods are provided that receive a spectrum of tones that include additional data, ascertain whether or not tone intensities of received tones included in the spectrum of tones exceeds a threshold, based on whether or not the tone intensities of the received tones exceed the threshold, decode information included in the received tones to extract the additional data, and thereafter decode information included in one or more remaining tones that fail to exceed the threshold in order to extract primary data. | 2010-01-14 |
20100008244 | DOMINANT INTERFERER INDICATION IN ACCESS PROBE - Systems and methodologies are described that facilitate indicating a dominant interferer to a target serving base station in a wireless communication environment. A mobile device can detect presence or absence of a dominant interferer. Further, an access probe that includes information related to the presence or absence of the dominant interferer can be generated. For example, the information can be included in a payload of the access probe as an explicit flag, an explicit indication of an interference level, a Channel Quality Indicator (CQI) value (e.g., reserved versus non-reserved, . . . ), etc. Moreover, the access probe can be transmitted to the target serving base station to initiate an access procedure. The target serving base station can select a time-frequency resource to be utilized for a responsive downlink transmission (e.g. access grant signal, subsequent access related message, . . . ) as a function of the information included in the access probe. | 2010-01-14 |
20100008245 | METHOD FOR MANAGING A TRANSMISSION OF DATA STREAMS ON A TRANSPORT CHANNEL OF A TUNNEL, CORRESPONDING TUNNEL END-POINT AND COMPUTER-READABLE STORAGE MEDIUM - A method is proposed for managing a transmission of data streams on a transport channel of a tunnel, the transmission of each stream being performed on the transport channel according to a transport protocol scheduled by packets and with acknowledgment, the tunnel being implemented between a first and a second tunnel end-point connected respectively to a first and a second sub-network, each stream being transmitted from a sender device to a receiver device, one device among the sender device and the receiver device being connected to the first sub-network and the other to the second sub-network. The method is performed by the first tunnel end-point and comprises the following steps: detecting a loss of packet on the transport channel of the tunnel; identifying at least one stream having at least one packet blocked on the transport channel of the tunnel by the loss; for at least one identified stream, generating and transmitting at least one acknowledgment to the sender device that has transmitted, on the tunnel, a packet blocked by said loss. | 2010-01-14 |
20100008246 | MOBILE STATION AND RECEPTION QUALITY MEASUREMENT METHOD - A reception quality measurement method includes instructing a mobile station existing in a cell to measure a reception quality of a signal sent by a second base station forming a cell with a frequency different from a frequency of the cell of the first base station; setting a period including a synchronizing timing for the first base station, by the mobile station; setting a plurality of measurement timings in the period, and measuring reception quality of the signals sent by the second base station at each of the measurement timings, by the mobile station; comparing the reception qualities measured at the measurement timings, and selecting an optimum reception quality, by the mobile station; and reporting the selected optimum reception quality to the first base station as the reception quality of the signal sent by the second base station, by the mobile station. | 2010-01-14 |
20100008247 | APPARATUS AND METHOD FOR TRANSCEIVING DATA USING RELAY DEVICE IN WIRELESS COMMUNICATION SYSTEM OF CENTRALIZED MAC - Provided is an apparatus and method for transmitting and a receiving data using a relay device in a centralized Media Access Control (MAC). The apparatus may include: a channel decision unit to determine a channel status with respect to a communication path using a corresponding device and a communication path using a relay device; a path selection unit to select at least one communication path between the communication path using the corresponding device and the communication path using the relay device, based on the channel status; and a transceiver to transmit and receive the data via the selected at least one communication path. | 2010-01-14 |
20100008248 | NETWORK TESTER FOR REAL-TIME MEASURING OF TCP THROUGHPUT - The invention relates to a method for real time testing of TCP traffic in a network, the method comprising: (a) connecting a tester to the network; (b) requesting connectionless traffic from a remote device connected to the network, to the tester; (c) generating the connectionless traffic comprising a plurality of packet streams, with the remote device, and receiving the connectionless traffic by the tester; (d) generating TCP traffic comprising a plurality of TCP sessions between the tester and the remote device; and, (e) concurrently with steps (c) and (d), in real time collecting statistics of the TCP sessions using the tester. The tester has an-FPGA implemented traffic engine, including a TCP state machine, for generating and receiving traffic at the rates of at least 1 gigabit per second, and for collecting statistics in real time. | 2010-01-14 |
20100008249 | MEASURING METHOD, MEASURING APPARATUS AND COMPUTER PROGRAM - There is provided a measuring apparatus for acquiring packets being transmitted and received within a packet network and measuring communication quality on the basis of the acquired packets, the apparatus including a part that extracts packets acquired within one of given sampling periods, each sampling period set intermittently, and a part that measures communication quality on the basis of the packets acquired within the sampling period. | 2010-01-14 |
20100008250 | METHOD AND APPARATUS FOR MEASURING PACKET TRANSMISSION QUALITY - Packet transmission quality in a communication network is measured by transmitting a measurement packet from a packet transmission node to a packet reception node. The packet transmission node is provided with a transmission counter counting the number of packets transmitted from a packet transmission node to a packet reception node, and a measurement packet counter counting the number of measurement packets transmitted from the packet transmission node to the packet reception mode. The packet reception node is provided with a reception counter counting the number of packets received from the packet transmission node. The packet transmission node transmits a measurement packet including a transmission counter value and a measurement packet counter value, to the packet reception node which calculates the number of lost packets or a loss rate of packets on the basis of the transmission counter value, the measurement packet counter value, and a reception counter value. | 2010-01-14 |
20100008251 | EFFICIENT PROBABILISTIC DUPLICATE PACKET DETECTOR IN COMPUTER NETWORKS - In order to solve the problem of the detection of the arrival of duplicate data packets in an interconnected, multinode data processing system, each data packet is provided with a field of r bits that are randomly generated for each data packet. However, one of the packets is provided with a field that is computed from the other randomly generated field entries in a checksum computation which yields a selected nonzero checksum value. A running checksum at the receiver is used to determine whether or not, after the receipt of the specified number, k, of data packets, a duplicate packet has been received. | 2010-01-14 |
20100008252 | Proximity Enforcement in Heterogeneous Network Environments - The invention provides an enforcement mechanism for limiting the propagation of content to a predefined proximity in a heterogeneous network. The protection mechanism determines the distance associated with wireless links of the heterogeneous networks and verifies that the distance is within the predefined proximity limits. The distance may be measured by evaluating the signal strength of received signals. The protection mechanism further uses round trip time determinations to enforce the proximity limits on wired or unknown segments of the heterogeneous network. Specifically, the round trip time associated with a wired or unknown segment may be determined using the round trip time associated with the wireless segments and the total round trip time of the network as a whole. The round trip time of the wired or unknown segment is then compared to a round trip time limit associated with the proximity requirement for distributing content. | 2010-01-14 |
20100008253 | VIRTUAL PRIVATE NETWORK (VPN) TOPOLOGY IDENTIFIER - Various embodiments are disclosed relating to the identification of virtual private network (VPN) topologies. In an example embodiment, a plurality of edge routers associated with a network may be discovered, each edge router including one or more virtual routing and forwarding entities (VRFs). One or more route targets (RTs) associated with each of the VRFs may be determined, wherein corresponding RTs between two or more VRFs are associated with connectivity between the two or more VRFs via the network. The VRFs may be sorted into one or more groups based upon the corresponding RTs of the VRFs. A representative VRF (rVRF) may be identified for each of the one or more groups of VRFs. The rVRFs may be sorted into one or more VPNs and a topology for each VPN may be determined. | 2010-01-14 |
20100008254 | METHOD AND APPARATUS FOR INSTANCE IDENTIFIER BASED ON A UNIQUE DEVICE IDENTIFIER - A method and apparatus for use in a communications network whereby an Instance Identifier (ID) is created to uniquely identify a device such as a mobile device or User Equipment (UE) in the communications network. | 2010-01-14 |
20100008255 | MESH NETWORK SERVICES FOR DEVICES SUPPORTING DYNAMIC DIRECTION INFORMATION - With the addition of directional information in the environment, a variety of service(s) can be provided on top of user identification or interaction with specific object(s) of interest. For instance, a user can opt into a mesh network and leverage services available via the mesh network. The user can also contribute to knowledge within the mesh network by allowing for information related to the user to be aggregated and employed by others, e.g., targeted provisioning of services. The interaction with the mesh network can occur passively (e.g., as a background application not generally visible to the user), or actively where for example the user can initiate collecting or logging of information from/to the mesh network. | 2010-01-14 |
20100008256 | WIRELESS SENSOR NETWORKS - In a wireless sensor network having a plurality of mobile sensor nodes ( | 2010-01-14 |
20100008257 | INFERRING CONNECTIVITY IN THE PRESENCE OF CONFLICTING NETWORK DATA - The connectivity information provided by a variety of inference engines is integrated to provide a set of inferred links within a network. A consolidation is performed among inference engines that operate at a base level of connectivity detail to create a model of the network at this base level. The connectivity information provided by inference engines at each subsequent higher level of connectivity abstraction is then overlaid on the base level connectivity. By separately consolidating the connectivity information at each level of abstraction, the rules for dealing with conflicts can be simplified and/or better focused to resolve the conflict. By assuming that the more detailed lower level information is likely to be more accurate, rules can be developed to modify the connectivity models produced by the higher level techniques to conform to the lower level connectivity details while still maintaining the integrity of the higher level connectivity models. | 2010-01-14 |
20100008258 | ACCESS POINT IDENTIFIER CONFIGURATION PROCEDURE - In an access point identifier configuration scheme, different procedures are used for configuring (e.g., updating) different types of access points. For example, the criteria used to determine which identifiers are to be assigned to mobile access points may be different than the criteria used to determine which identifiers are to be assigned to stationary access points. | 2010-01-14 |