14th week of 2010 patent applcation highlights part 25 |
Patent application number | Title | Published |
20100085817 | Semiconductor memory device to reduce off-current in standby mode - A semiconductor memory device capable of reducing off-current in a standby mode is provided. The semiconductor memory device includes an enable signal generating unit configured to receive a plurality of address decoding signals and generate a first enable signal to select a first cell block and a second enable signal to select a second cell block, and an internal voltage generating unit for generating an internal voltage by controlling a supply of a first voltage in accordance with the first or second enable signals. | 2010-04-08 |
20100085818 | Semiconductor memory device - A semiconductor memory device includes a first sense amplifier which senses data on a first line pair and generates a first output signal; and a test unit which senses the data on a first line pair and transfers a second output signal to a second line in response to a test mode signal. | 2010-04-08 |
20100085819 | Burst length control circuit and semiconductor memory device using the same - A burst length control circuit capable of performing read and write operations in high speed according to a burst length and a semiconductor memory device using the same includes a clock signal generating unit for generating first and second internal clock signals from a clock signal in response to a first and second burst signals, a control signal generating unit for driving in response to the first and second internal clock signals, wherein the control signal generating unit for generating first and second control signals, enable sections of the first and second control signals being controlled according to the first and second burst signals at a read operation or write operation, and a burst termination signal generating unit for generating a burst termination signal in response to the first and second burst signals. The first control signal is disabled in response to the burst termination signal. | 2010-04-08 |
20100085820 | SEMICONDUCTOR MEMORY DEVICE - There is provided a semiconductor memory device having a plurality of memory cell layers which can be used even if part of the memory cell layers is determined as defective. The semiconductor memory device includes a stacked memory cell array having a laminated plurality of memory cell layers, each of which has a plurality of blocks; a layer quality information storing circuit ( | 2010-04-08 |
20100085821 | Operation method of non-volatile memory - Example embodiments provide a method of operating a non-volatile memory in which the non-volatile memory may only be changed from a first state to a second state and may not be changed from the second state to the first state during a programming operation. | 2010-04-08 |
20100085822 | CONTINUOUS PROGRAMMING OF NON-VOLATILE MEMORY - A non-volatile storage system connects a signal driver to a first control line that is connected to a first non-volatile storage element, charges the first control line using the signal driver while the signal driver is connected to the first control line, disconnects the signal driver from the first control line while the first control line remains charged from the signal driver, connects the signal driver to a second control line that is connected to a second non-volatile storage element, charges the second control line using the signal driver while the signal driver is connected to the second control line, and disconnects the signal driver from the second control line. Charging the control lines causes the respective non-volatile storage elements to experience a program operation. The disconnecting of the signal driver from the first control line, the connecting the signal driver to the second control line and the charging of the second control line are performed without waiting for the first non-volatile storage element's program operation to complete. | 2010-04-08 |
20100085823 | Optimizing Sram Performance over Extended Voltage or Process Range Using Self-Timed Calibration of Local Clock Generator - A delay circuit has a fixed delay path at a lower voltage level, a level converter, and an adjustable delay path at a higher voltage level. The fixed delay path includes an inverter chain, and the adjustable delay path includes serially-connected delay elements selectively connected to the circuit output. In an application for a local clock buffer of a static, random-access memory (SRAM), the lower voltage level is that of the local clock buffer, and the higher voltage level is that of the SRAM. These voltages may vary in response to dynamic voltage scaling, requiring re-calibration of the adjustable delay path. The adjustable delay path may be calibrated by progressively increasing the read access time of the SRAM array until a contemporaneous read operation returns the correct output, or by using a replica SRAM path to simulate variations in delay with changes in voltage supply. | 2010-04-08 |
20100085824 | Semiconductor device having delay control circuit - A first delay circuit and a second delay circuit having different operation conditions from each other, a detection circuit that detects a difference in propagation speed of a pulse signal, which is simultaneously input to the first and second delay circuits, and a setting circuit that generates a selection signal based on a detection result from the detection circuit are provided. The selection signal is supplied to a delay control circuit that generates an operation timing signal by delaying a reference signal, of which a delay amount is controlled by the selection signal. With this arrangement, a necessity to set the delay amount of the delay control circuit with a large design margin can be eliminated considering PVT variation, and as a result, performance degradation can be prevented. | 2010-04-08 |
20100085825 | STACKED DEVICE REMAPPING AND REPAIR - Various embodiments include apparatus, systems, and methods having multiple dice arranged in a stack in which a defective cell may be replaced by a spare cell on the same die or a different die. | 2010-04-08 |
20100085826 | Test circuit for measuring resistance distribution of Memory cells and semiconductor system including the same - The test circuit for measuring a resistance distribution of memory cells includes a sensing circuit and a digital value generation circuit. The sensing circuit compares a reference voltage with a voltage of a sensing node receiving a voltage of a bit line connected with a resistive element and generates a sensing signal. The digital value generation circuit generates a digital value corresponding to a resistance-capacitance (RC) delay of the bit line in response to the sensing signal from the sensing circuit. | 2010-04-08 |
20100085827 | COUPLING METHODS AND ARCHITECTURES FOR INFORMATION PROCESSING - A structure comprising (i) a first information device, (ii) a second information device, (iii) a first coupling element and (iv) a second coupling element is provided. The first information device has at least a first lobe and a second lobe that are in electrical communication with each other. The second information device and has at least a first lobe and a second lobe that are in electrical communication with each other. The first coupling element inductively couples the first lobe of the first information device to the first lobe of the second information device. The second coupling element inductively couples the first lobe of the first information device to the second lobe of the second information device. | 2010-04-08 |
20100085828 | Method for Reducing Leakage Current of a Memory and Related Device - A method for reducing leakage current of a memory device includes supplying a first voltage to a main wordline driver, supplying a second voltage greater than the first voltage to a local wordline driver, and employing a transistor in the local wordline driver with a threshold voltage greater than a specific value. | 2010-04-08 |
20100085829 | Internal voltage generation circuit - An internal voltage generation circuit includes a temperature detection unit which detects an internal temperature of a semiconductor memory device and generates a temperature signal, a driving control signal generation unit which receives the temperature signal and generates first and second driving control signals, and an internal voltage generation unit which receives the first and second driving control signals and generates an internal voltage. | 2010-04-08 |
20100085830 | Sequencing Decoder Circuit - A memory-array decoder operably coupled to a memory array comprising a sequence of rows and receiving as input a plurality of address bits includes first and second decoder stages. The first decoder stage selects one or more first rows by decoding a first subset of the address bits, and the second decoder stage selects one or more second rows based on locations, within the sequence, of one or more third rows different from the one or more second rows. | 2010-04-08 |
20100085831 | Method of degassing a flowable mass in a ring extruder - The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ΔR than the full radius Rv of the conveyor element required for the mutual stripping of adhering product in a closely intermeshing screw operation with adjacent conveyor elements. | 2010-04-08 |
20100085832 | Rotary Shaft Seal Arrangement for Mixing Bowl - A mixer arrangement includes a mixer bowl, an agitator within the mixer bowl and a shaft extending through a wall of the mixer bowl for moving the agitator. A seal assembly is associated with the shaft at an external side of the mixer bowl wall. The seal assembly includes a boot component disposed about the shaft, the boot component formed of a resiliently compressible material. A boot compression component is disposed about the shaft and moveable along the shaft between a seal position that urges the boot component toward the mixer bowl wall and a release position away from the boot component. A linkage is connected to the boot compression component and has an over center orientation for holding the boot compression component in the seal position. | 2010-04-08 |
20100085833 | RADIAL FLOW STEAM INJECTION HEATER - A radial flow steam injection heater that injects a selected amount of steam into a product flow to heat the product flow. The steam injection heater includes a mixing tube that receives the product flow to be heated. The mixing tube includes a series of steam injection holes that are positioned within a steam chamber defined by the heater body. Pressurized steam within the steam chamber flows into the mixing tube in a direction transverse to the flow axis through the steam injection holes. A regulating member is selectively movable relative to the mixing tube to expose the steam injection holes to the steam chamber to control the amount of steam utilized to heat the product flow. | 2010-04-08 |
20100085834 | Method for alternately sifting and blending powders in the same operation - A tumbler is mounted for rotation around a trunnion with a screen fixedly mounted to a portion of the trunnion residing within the tumbler. A multiple blade paddle is mounted to a shaft that is rotatably supported through the trunnion. The paddle blades are formed with angular edges. As the tumbler rotates and the paddle rotates, powder is repeatedly dropped onto the screen to be sifted with the aid of the paddle. Rotating the tumbler further drops unsifted portions of the powder from the screen to mix with additional powder in the tumbler body. Thus, sifting and blending of powders is accomplished in one single operation. | 2010-04-08 |
20100085835 | NOVEL CURVE-FITTING TECHNIQUE FOR DETERMINING DISPERSION CHARACTERISTICS OF GUIDED ELASTIC WAVES - A method for estimating a slowness of an earth formation, the method including: transmitting acoustic energy into the earth formation using an acoustic source; receiving the acoustic energy with an array of acoustic receivers, each acoustic receiver being configured to provide acoustic waveform data related to the received acoustic energy; transforming the acoustic waveform data into a frequency domain to provide frequency domain data; calculating a slowness-frequency coherence function using the frequency domain data; selecting slowness dispersion data from peaks of the slowness-frequency coherence function; fitting a curve to the slowness dispersion data; and estimating the slowness from the curve. | 2010-04-08 |
20100085836 | DITHERED SLIP SWEEP VIBROSEIS ACQUISITION SYSTEM AND TECHNIQUE - A technique includes generating vibroseis sweeps for a vibroseis survey to produce seismic data acquired in response to seismic signals produced by the sweeps. The generation of the vibroseis sweeps including temporally arranging the sweeps into time-overlapping groups. The technique includes regulating a timing of the groups relative to each other based on a slip time. The technique also includes regulating a timing of the sweeps of each group such that consecutive sweep firings of each group are spaced apart by a time substantially less than the slip time. | 2010-04-08 |
20100085837 | HARMONIC ATTENUATION USING MULTIPLE SWEEP RATES - A technique includes generating seismic sweep sequences. Each of the seismic sweep sequences has an associated sweep rate. The technique includes varying the sweep rates to reduce harmonic distortion present in a composite seismic measurement produced in response to the sweep sequences. | 2010-04-08 |
20100085838 | SYSTEM AND METHOD FOR POSITIONING - A system for small space positioning comprises a transmitting device, movable within an approximate range, configured for transmitting a modulated continuous wave, wherein the modulated continuous wave includes a carrier signal and a base-band signal, and a receiving unit configured for receiving signal (s) transmitted by the transmitting device and for determining a position of the transmitting device within the approximate range based on analysis of both the carrier signal and the base-band signal received from the transmitting device. | 2010-04-08 |
20100085839 | Underwater navigation system - An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms. | 2010-04-08 |
20100085840 | ELECTRONIC DEVICE AND METHOD PROVIDING IMPROVED BEDTIME MODE OF OPERATION - An improved electronic device and method provide an improved clock feature that includes a BEDTIME mode that is initiated by execution of a BEDTIME mode routine. The BEDTIME mode comprises a number of features that are conducive to sleep by performing operations that minimize distractions to a user, and all such operations are initiated by execution of the BEDTIME mode routine. | 2010-04-08 |
20100085841 | ELECTRONIC DEVICE AND METHOD PROVIDING ACTIVATION OF AN IMPROVED BEDTIME MODE OF OPERATION - An improved electronic device and method provide an improved clock feature that includes a BEDTIME mode that is initiated by execution of a BEDTIME mode routine. The BEDTIME mode comprises a number of features that are conducive to sleep by performing operations that minimize distractions to a user, and all such operations are initiated by execution of the BEDTIME mode routine. The BEDTIME mode can be triggered in a variety of fashions, such as by setting an alarm or by docking the device with a predetermined other device such as a docking station. | 2010-04-08 |
20100085842 | ELECTRONIC DEVICE AND METHOD PROVIDING IMPROVED PROCESSING OF A PREDETERMINED CLOCK EVENT DURING OPERATION OF AN IMPROVED BEDTIME MODE - An improved electronic device and method provide an improved clock feature that includes a BEDTIME mode that is initiated by execution of a BEDTIME mode routine. The BEDTIME mode comprises a number of features that are conducive to sleep by performing operations that minimize distractions to a user, and all such operations are initiated by execution of the BEDTIME mode routine. The BEDTIME mode can be terminated, such as when an alarm time has been reached, thereby enabling any alarms that had been suspended, and therefore enabling the alarm clock function to output an alarm. | 2010-04-08 |
20100085843 | ELECTROSTATIC MOTOR INCLUDING AN ACTUATOR - The electrostatic motor includes an electrostatic actuator ( | 2010-04-08 |
20100085844 | PULSE ALARM CLOCK WITH ALARM AND ACUPUNCTURE FUNCTIONS - The present invention relates to a pulse alarm clock consisting of a main body of the alarm clock and two quick-fastening straps, wherein it has a high-voltage pulse generator installed inside the main body of the alarm clock, which is controlled by a timing device therefrom, and in addition, both its positive and negative pulse electrodes, which are controlled by a transfer switch, are extending outward along with an output-end and then combining all together at two quick-fastening straps, and thereat, it is able to fasten the alarm clock at a high sensitive portion of a human body with the utilization of these two quick-fastening straps, thereby, when it is reaching the preset alarm time on the alarm clock, it will activate the high-voltage pulse generator to creating the vibration effect that will be transferred to a high sensitive portion of the human body through these two quick-fastening straps and thus achieving the objective of wakening the user from sleep consequently. | 2010-04-08 |
20100085845 | INTERCHANGEABLE COVER ASSEMBLY FOR A DEVICE - An interchangeable cover assembly, comprising an interchangeable cover, a display unit insertable into the interchangeable cover, and at least one retention assembly configured to apply a pressure against the interchangeable cover to secure the display unit to the interchangeable cover. | 2010-04-08 |
20100085846 | HEAT-ASSISTED MAGNETIC RECORDING HEAD CONSTITUTED OF SLIDER AND LIGHT SOURCE UNIT, AND MANUFACTURING METHOD OF THE HEAD - Provided is a method for manufacturing a heat-assisted magnetic recording head, capable of joining a light source unit and a slider with a sufficiently high alignment accuracy. In the method, the unit including a light source is joined to the slider including a head part. First, at least one marker provided on the head-part end surface is set so that the distance from the waveguide incident center to the marker end is substantially equal to the distance from the light-emission center of the light source to the end surface of the light source. After that, the unit and slider are relatively moved while keeping the unit in surface contact with the slider, and the relative positions are set so that the end of the marker coincides with, or is at a distance within an acceptable range from, the edge of the surface of the light source. | 2010-04-08 |
20100085847 | Optical head device and reading system for multi-layered optical recording medium - A recording and reading system for a multi-layered optical recording medium includes: a multi-layered optical recording medium including a plurality of recording layers and a single servo layer; and an optical head. The optical head includes a recording and reading objective lens of a signal recording and reading optical system and a servo objective lens of a servo signal detection optical system that are disposed on a common actuator. The recording and reading objective lens is mounted on the common actuator through a minute-drive apparatus so as to be minutely driven in a focusing direction relative to the servo objective lens. When the servo objective lens is focused on the servo layer, a reading light beam is quickly focused on a target one of the plurality of recording layers. | 2010-04-08 |
20100085848 | METHOD FOR PERFORMING TRACK-SEEKING IN AN OPTICAL DISK DRIVE - The invention provides a method for performing track-seeking in an optical disk drive. In one embodiment, the optical disk drive is about to perform a series of operations comprising a plurality of prior operations and a track-seeking operation, and the track-seeking operation is divided into a pre-seek procedure and a true-seek procedure. First, a microprocessor of the optical disk drive performs the prior operations. Whether the microprocessor is unoccupied is then detected before performing the prior operations is completed. When the microprocessor is detected to be unoccupied, the microprocessor performs the pre-seek procedure. The true-seek procedure is then performed according to results of the pre-seek procedure to move the pick-up head to a destination address of an optical disk. | 2010-04-08 |
20100085849 | OPTICAL DISC DRIVE AND METHOD FOR PREPROCESSING A DISC READ OUT SIGNAL - The present invention discloses an optical drive and a method for preprocessing a disc readout signal r | 2010-04-08 |
20100085850 | DISC PLAYBACK APPARATUS - A disc playback apparatus includes a decoder 15 for decoding audio files respectively corresponding to different data formats, which are stored in a storage unit, on the basis of a file attribute preset thereto, and for playing back the decoded audio files, and a control unit 16 for determining a file attribute of data read from the storage unit when starting the decoding and playback process on a basis of the file attribute set to the decoder, and for, when the file attribute differs from the file attribute set to the decoder, holding address information about the read data, and, after stopping the reading of subsequent data, changing the setting of the file attribute made for the decoder and then restarting to read the data by using the address information held thereby. | 2010-04-08 |
20100085851 | METHOD AND APPARATUS FOR EVALUATING INFORMATION RECORDING MEDIUM - The present invention has an object of evaluating a recording and reproduction signal quality of a high density information recording medium by providing an index representing, in a detection signal including a plurality of pieces of edge shift information, how each edge is shifted. A signal evaluation method, usable for an information recording medium having a data sequence including a mark and a space located alternately, for generating a binary signal from a signal obtained by reproducing the data sequence using a PRML signal processing method and evaluating a likelihood of the binary signal, includes a differential metric calculation step of calculating, from the binary signal, a differential metric which is a difference of a reproduction signal from a first state transition matrix having a maximum likelihood and a second state transition matrix having a second maximum likelihood; and a step of classifying the differential metric to any of a plurality of data patterns each including at least one mark and at least one space. The data pattern classification to any of the plurality of data patterns is performed using a combination of a length of a first mark included in the data sequence and a length of a first space adjacently located immediately previous or immediately subsequent to the first mark, and is further performed using a length of a second mark which is not adjacent to the first mark and located adjacent to the first space; and thus a reproduction signal quality of the information recording medium is evaluated. | 2010-04-08 |
20100085852 | WRITE-ONCE OPTICAL RECORDING MEDIUM AND DEFECT MANAGEMENT INFORMATION MANAGEMENT METHOD THEREOF - A write-once optical recording medium, a method for allocating a defect management area of the write-once optical recording medium, and a method for allocating a spare area of the write-once optical recording medium are provided. A method of managing defects on a write-once optical recording medium having at least one recording layer includes the steps of allocating at least one temporary defect management area having a fixed size and at least one temporary defect management area having a variable size to said optical recording medium, respectively, recording defect management information on the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size; and using the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size is provided herein. | 2010-04-08 |
20100085853 | PROTECTING OPTICAL MEDIA USING RANDOM, MOVING RADIO FREQUENCY SCATTERERS - The subject innovation relates to systems and/or methodologies for using randomly positioned electromagnetic scatterers deposited into a predetermined region of an optical storage medium (e.g., Blue Ray DVD, HD DVD, CD, etc.) as a distinct three dimensional ( | 2010-04-08 |
20100085854 | OPTICAL DISC DISCRIMINATING METHOD AND OPTICAL DISC DISCRIMINATING APPARATUS - An optical disc discriminating method and an optical disc discriminating apparatus which can discriminate a type of optical disc with a simple configuration, causes a drive means to vary an incident angle of a laser light beam with respect to an optical disc while irradiating the optical disc with the laser light beam from a light beam generating section, causes a photodetector to detect a diffraction light of the laser light beam from a recording track of the optical disc, detects a value corresponding to the incident angle when the diffraction light is detected, and discriminates the type of the optical disc on the basis of the detected value. | 2010-04-08 |
20100085855 | METHOD AND DEVICE FOR DETECTING SHAPE OF SURFACE OF MEDIUM - A defect generated during a nano-imprint process is inspected by a scatterometry method. The scatterometry method is to illuminate the surface of a medium with light having a plurality of wave lengths by means of a first illuminator through a half mirror and an objective lens and cause light reflected on the medium to be incident on a spectrometer through the objective lens and the half mirror. A second illuminator illuminates a foreign material or scratch on the surface of the medium from an oblique direction with respect to the surface of the medium. Light is scattered from the foreign material or scratch and detected by first and second detectors. The first detector is placed in a direction defining a first elevation angle with the surface of the medium. The second detector is placed in a direction defining a second elevation angle with the surface of the medium. When coordinates of a defect that are obtained by the scatterometry method match coordinates of the foreign material or scratch, an inspection device determines that the defect is not generated during the nano-imprint process. When the matching is negative, the inspection device determines that the defect is generated during the nano-imprint process. | 2010-04-08 |
20100085856 | OPTICAL DISC DRIVE - Provided is an optical disc drive. The optical disc drive includes a memory card reader capable of wring/reading data on/from a memory card. At least one memory card slot for inserting at least one type of memory card may be set on the front side of the optical disc drive under a disc tray. Furthermore, the optical disc drive may include a memory card controller and an optical disc controller which are independent of each other or include a single controller. Accordingly, the optical disc drive can be simplified to efficiently use a space and improve user's convenience. | 2010-04-08 |
20100085857 | SELECTION AND DISTRIBUTION OF SECOND DIGITAL CONTENT TO REMOTE DEVICE USING APPLICATION EMBEDDED IN FIRST DIGITAL CONTENT PACKAGE - A media (e.g., Blu-Ray) first content package includes a link to an application for sending second content to a remote device, especially a mobile telephone. The application is included in the first content. The second content is not included in the first content. The application presents a list of second content choices, selectable by a user. The application receives a destination address for the second content from user input and sends the destination address to a second content server. The second content server contacts the remote device having the indicated destination address, and confirms that receipt of second content will be accepted. Upon receiving confirmation, the second content server transmits the second content to the remote device. The technology may be used to provide content to mobile devices, such as mobile phones, in association with distributed media such as Blu-Ray discs configured for being played by a media player. | 2010-04-08 |
20100085858 | OPTICAL DISK APPARATUS - Analog components whose characteristics greatly differ from one another are removed as much as possible from an optical disc drive. Provided are means | 2010-04-08 |
20100085859 | HOLOGRAM RECORDING AND REPRODUCING APPARATUS - A laser beam emitted from a laser light source is divided into two laser beams, a 2-dimensional spatial modulation is performed to one of the two divided laser beams based on recording information, the modulated laser beam is projected as signal light onto a recording medium, the other laser beam is projected as reference light onto the recording medium, and the recording information is recorded onto the recording medium. The recording information recorded on the recording medium is reproduced based on the laser beam transmitted through or reflected by the recording medium. An optical system includes: a rotatable mirror portion for guiding the reference light to the recording medium at an angle according to the direction of its reflecting surface; a vibration proofing member coupled with a rear surface of the mirror portion; and a driving mechanism which decides an angle position of the mirror portion and is coupled with the mirror portion. | 2010-04-08 |
20100085860 | OPTICAL HEAD DEVICE, AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE AND OPTICAL INFORMATION RECORDING/REPRODUCING METHOD USING THE SAME - Light outputted from a semiconductor laser ( | 2010-04-08 |
20100085861 | LENS SYSTEM FOR SCANNING DEVICE - A lens system includes a lens ( | 2010-04-08 |
20100085862 | OPTICAL PICKUP DEVICE - In the invention, a movable lens varying the rate of convergence or divergence of light reaching an objective lens by moving in an optical axis direction has its position adjusted to correspond to ambient temperature. The objective lens is arranged to be tilted with respect to an optical axis of light reaching the objective lens from the movable lens. First coma aberration of which the amount produced varies according to movement of the movable lens, and second coma aberration of which the amount produced varies due to variation in the warping state of an optical disc that is caused along with variation in ambient temperature both occur in the radius direction of the optical disc, and the objective lens has its tilting direction adjusted such that the first coma aberration and the second coma aberration have their increasing and decreasing directions of the amount of coma aberration produced with respect to variation in ambient temperature reversed. | 2010-04-08 |
20100085863 | RETUNING OF FERROELECTRIC MEDIA BUILT-IN-BIAS - Provided herein are embodiments for adjusting a built-in bias of a media including a conductive layer and a ferroelectric layer above the conductive layer. In certain embodiments, a voltage signal is applied between the conductive layer of the media and an electrode (provided over at least a portion of the ferroelectric layer) to thereby tune the built-in bias so that the built-in bias moves in a direction of (i.e., towards) the desired built-in bias. In other embodiments, the temperature of the at least a portion of the ferroelectric layer of the media is elevated to thereby tune the built-in bias so that the built-in bias moves in a direction of (i.e., towards) the desired built-in bias. The desired built-in bias can be a zero built-in bias, or a non-zero built-in bias. | 2010-04-08 |
20100085864 | METHOD FOR MANUFACTURING READ-ONLY OPTICAL DISC MEDIUM AND READ-ONLY OPTICAL DISC MEDIUM - An information signal area on an information signal recording surface is provided as pits on a mirror in accordance with modulated information data, and is covered with a metal alloy reflective film. Sections that do not include pits corresponding to the information data are provided in the information signal area, and portions of the metal alloy reflective film on the sections are formed as perforated marks corresponding to the information data. In this case, the reproduction signal amplification level of a prepit signal and the reproduction signal amplitude level of a perforated mark signal can be obtained as substantially equal values by adjusting the depth and width of pits and/or adjusting the width and length of perforated marks. Hence, waveform distortion due to a waveform equalization circuit and variations in binary signals due to displacement of the slice level are reduced so that signals can be stably and reliably detected with the same reading apparatus. | 2010-04-08 |
20100085865 | METHOD AND AN APPARATUS FOR ESTIMATING A DELAY SPREAD OF A MULTIPATH CHANNEL - Low complex algorithms for estimating a delay spread or a RMS delay spread of a multipath channel using channel estimates are disclosed, leading to low overall power consumption. According to an embodiment of the present invention, a delay spread or a RMS delay spread of the multipath channel is determined based on a metric calculated as a function of channel estimates. In another embodiment, an average signal to noise ratio is taken into consideration in addition to the metric to estimate the delay spread or the RMS delay spread. In a further embodiment, the delay spread or the RMS delay spread of the multipath channel is estimated based on an average signal to noise ratio and on a metric being a function of the slope between subcarrier channel estimates. The present invention further relates to an apparatus for estimating a delay spread or a RMS delay spread of the multipath channel. | 2010-04-08 |
20100085866 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL IN MIMO SYSTEM BASED OFDM/OFDMA - The present invention relates to an apparatus and method for estimating a channel in a MIMO wireless telecommunication system supporting the 0FDM/0FDMA. The present invention, in estimating a channel by using two or more pilots included in at least one received signal among received signals of a first channel and a second channel received through a first receiving antenna and received signals of a third channel and a fourth channel received through a second receiving antenna, determines a subchannel mapping rule respectively for the received signals of the first channel to the fourth channel, and estimates a channel with a different method according to the determined subchannel mapping rule. That is, the channel is estimated by using two or more pilots included in two or more tiles corresponding to the same subcarrier respectively, in case a subchannel rotation does not exist in the subchannel mapping rule, while the channel is estimated by using two pilots included in an individual tile, in case a subchannel rotation exists in the subchannel mapping rule. | 2010-04-08 |
20100085867 | System and method for an EMBS design to optimize spectrum efficiency, link adaptation and EMBS traffic security - A wireless communication network capable of providing Enhanced Multi-Broadcast Service (EMBS) to a plurality of subscriber stations. At least one base station in the network transmits a downlink frame to the plurality of subscriber stations. The downlink frame includes an EMBS MAP configured to identify locations of EMBS data bursts. The downlink frame also includes a security and data multiplexing burst and EMBS data burst. A number of the subscriber stations are configured to decode the EMBS MAP to determine the locations of a number of EMBS data burst in a number of subsequent downlink frames. | 2010-04-08 |
20100085868 | METHOD AND APPARATUS FOR IMPROVED MULTICAST STREAMING IN WIRELESS NETWORKS - The invention includes a method and apparatus for providing media content. The method includes duplicating each packet of an original packet stream for which an associated importance level satisfies an importance condition, inserting each duplicate packet within the original packet stream to form thereby a modified packet stream, and transmitting the modified packet stream toward a wireless terminal adapted for processing the modified packet stream for presenting the media content conveyed by the original packet stream. The duplicate packets may be inserted within respective windows associated with the duplicate packets, wherein each window is determined according to an original packet position associated with the original packet from which the duplicate packet is formed. | 2010-04-08 |
20100085869 | METHOD AND APPARATUS FOR MAINTAINING NETWORK PERFORMANCE IN A COMMUNICATION SYSTEM - A method and apparatus is disclosed for method and apparatus for maintaining network performance in a communication system. A system that incorporates teachings of the present disclosure may include, for example, a network management server (NMS) that manages operations of a communication system including an access office (AO) coupled to a plurality of base terminals (BTs) by way of a corresponding plurality of network elements. The NMS can have a network configuration element that identifies for each of the plurality of BTs a plurality of resultant communication paths to the AO according to a plurality of differential delays calculated from alternative communication paths connecting combinations of the BTs to the AO for each of a plurality of change scenarios affecting the plurality of network elements, wherein the network configuration element arranges portions of the plurality of BTs into a corresponding plurality of groups, and selects for each BT in a select one of the plurality of groups its corresponding plurality of resultant communication paths to the AO according to differential delays calculated for alternative communication paths associated with combinations of BTs in the selected group and the plurality of change scenarios affecting the selected group. Additional embodiments are disclosed. | 2010-04-08 |
20100085870 | GLOBAL DETECTION OF RESOURCE LEAKS IN A MULTI-NODE COMPUTER SYSTEM - A process is disclosed for identifying and recovering from resource leaks on compute nodes of a parallel computing system. A resource monitor stores information about system resources available on a compute node in a clean state. After the compute node runs a job, the resource monitor compares the current resource availability to the clean state. If a resource leak is found, the resource monitor contacts a global resource manger to remove the resource leak. | 2010-04-08 |
20100085871 | RESOURCE LEAK RECOVERY IN A MULTI-NODE COMPUTER SYSTEM - A process is disclosed for identifying and recovering from resource leaks on compute nodes of a parallel computing system. A resource monitor stores information about system resources available on a compute node in a clean state. After the compute node runs a job, the resource monitor compares the current resource availability to the clean state. If a resource leak is found, the resource monitor contacts a global resource manger to remove the resource leak. | 2010-04-08 |
20100085872 | Self-Healing Chip-to-Chip Interface - A method, apparatus, and computer instructions for managing a set of signal paths for a chip. A defective signal path within the set of signal paths for the chip is detected. Signals are re-routed through the set of signal paths such that the defective signal path is removed from the set of signal paths and sending signals using remaining data signal paths in the set of signal paths and using an extra signal path in response to detecting the defective signal path. | 2010-04-08 |
20100085873 | LANE SYNCHRONISATION - A method of monitoring a plurality of transmission lanes in a data transmission system includes the step of extracting individual lane parameters in the data transmission system independently of a transmitted training sequence. | 2010-04-08 |
20100085874 | BANDWIDTH ALLOCATION METHOD AND APPARATUS - System for bandwidth assignment to manage congestion over a network bottleneck, comprises a regulation point being set up downstream of the bottleneck in the network to manage congestion in data packets arriving from various sources via the bottleneck. For each of the sources, a priority level assigner assigns priority levels to respective data packets. A token bucket assigns tokens at a limiting rate to the prioritized data packets, the tokens allowing passage of packets to which they are assigned. The token bucket is a multi-priority token bucket, meaning it has at least two thresholds corresponding to the priority levels assigned to the packets. The token bucket only assigns a token to an arriving packet having a respective priority level if there are sufficient tokens currently in the bucket to reach the threshold corresponding to the packet's priority level. | 2010-04-08 |
20100085875 | METHODS AND APPARATUSES FOR PROCESSING PACKETS IN A CREDIT-BASED FLOW CONTROL SCHEME - Methods and systems for processing a second request before processing of a first request has completed. The first request is associated with a first flow control credit type, and the second request is associated with a second flow control credit type. After a period of time, the second request is selected for processing based on the first flow control credit type and the second flow control credit type. | 2010-04-08 |
20100085876 | METHOD FOR TRAFFIC ENGINEERING OF CONNECTIONLESS VIRTUAL PRIVATE NETWORK SERVICES - A method for traffic engineering of connectionless virtual private network (VPN) services that includes receiving physical connectivity data for a connectionless VPN. The data includes service nodes and links between the service nodes. One or more of the service nodes are also edge nodes. Logical connectivity data for the edge nodes is received. A restricted topology is created in response to the physical connectivity data and to the logical connectivity data. The restricted topology includes a single path between each pair of the edge nodes and each path includes a plurality of the service nodes and one or more of the links A bandwidth requirement for each link in the restricted topology is calculated. The bandwidth requirement is reserved on each link in the restricted topology. The method further comprises directing routing software to force a packet received from an edge node through one of the paths in the restricted topology. | 2010-04-08 |
20100085877 | METHOD AND APPARATUS FOR NON CONTIGUOUS SLIDING WINDOW - A method that limits data flow between two network nodes to an amount within a window where a first portion of data within a first segment of the window is separated from a second portion of data within a second segment of the window by a third portion of data not within the window. | 2010-04-08 |
20100085878 | Automating Identification And Isolation Of Loop-Free Protocol Network Problems - An apparatus is configured to generate a reference model of a bridged network representing a plurality of nodes in the bridged network, wherein each of the plurality of nodes implements a loop-free topology algorithm; determine an expected data path based on the reference model of the bridged network; receive information pertaining to an actual data path in the bridged network; and compare the expected data path based on the reference model and the actual data path in the bridged network to identify a divergence point. | 2010-04-08 |
20100085879 | METHODS AND APPARATUS TO DIAGNOSE ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL PROBLEMS IN NETWORKS - Example methods and apparatus to diagnose enhanced interior gateway routing protocol (EIGRP) problems in networks are disclosed. A disclosed example method to identify whether an EIGRP problem is present in a network comprises automatically performing one or more tests of one or more routers of the network in response to a submitted trouble ticket, processing results of the one or more tests to automatically identify whether the EIGRP problem is present in the network, and automatically assigning the trouble ticket to a work center when the EIGRP problem is present in the network. | 2010-04-08 |
20100085880 | METHOD AND ARRANGEMENT IN A WIRELESS COMMUNICATION NETWORK - Method and arrangement in a first node for requesting a status report from a second node. The first node and the second node are both comprised within a wireless communication network. The status report comprises positive and/or negative acknowledgement of data sent from the first node, to be received by the second node. The first node comprises a first counter configured to count the number of transmitted Protocol Data Units, PDUS, and a second counter configured to count the number of transmitted data bytes. The method and arrangements comprises initialising the first and the second counter to zero, transmitting data to be received by the second node, comparing the value of the first and the second counters with a first threshold limit value and a second threshold limit value and requesting a status report from the second node if any of the threshold limit values is reached or exceeded. | 2010-04-08 |
20100085881 | Wireless Communication System, Wireless Communication Terminal, Base Station and Wireless Communication Method - Provided is a wireless communication system for performing communication using a shared control channel that can be used in a predetermined period for each of a plurality of base stations and a plurality of traffic channels that can be adaptively allocated to each of a plurality of wireless communication terminals. The wireless communication terminal is provided with a channel requesting unit that requests the base station to allocate an individual control channel through the shared control channel and a communication control unit that performs control information communication by wirelessly connecting the individual control channel allocated from the base station. The base station is provided with a channel allocating unit that allocates one of the traffic channels as the individual control channel to be exclusively used for the wireless communication terminal when the request of individual control channel allocation is received from the wireless communication terminal through the shared control channel. | 2010-04-08 |
20100085882 | RADIO COMMUNICATION SYSTEM, LEAST SIGNIFICANT STATION, AND INTERMEDIATE STATION - In a lower-level station ( | 2010-04-08 |
20100085883 | APPLICATION DETECTION ARCHITECTURE AND TECHNIQUES - An application detection architecture and related techniques are provided for detecting, identifying, and managing network-based applications. In various embodiments, a combined layered approach to application detection and various application-detection techniques provide for quick assessments that move from simplest to complex for rapid detection of unauthorized or misbehaving applications in communication with one or more computer networks. This layering, in some embodiments, further provides scalability and speed for determining and implementing policies that may be applicable to detected network-based application, users, groups, or devices associated with unauthorized network-based applications sending or receiving data via a computer network. | 2010-04-08 |
20100085884 | DYNAMIC TOPOLOGICAL ADAPTATION - Apparatus and methods for reconfiguration of a communication environment based on loading requirements. Network operations are monitored and analyzed to determine loading balance across the network or a portion thereof. Where warranted, the network is reconfigured to balance the load across multiple network entities. For example, in a cellular-type of network, traffic loads and throughput requirements are analyzed for the access points and their user equipment. Where loading imbalances occur, the cell coverage areas of one or more access points can be reconfigured to alleviate bottlenecks or improve balancing. | 2010-04-08 |
20100085885 | COMMUNICATION SYSTEM, MANAGEMENT APPARATUS, COMMUNICATION APPARATUS AND COMPUTER PROGRAM - In a ring type network, a master node sends a measurement packet to a slave node in the backward direction and the forward direction, receives the measurement packet which has been circulated among a plurality of slave nodes, stores a received time of the backward direction measurement packet and a sending time of the forward direction measurement packet according to time-keeping of an internal clock, sends a measurement result notifying packet showing a sending time and a received time of the measurement packet to the slave node; each slave node receives the backward direction measurement packet and the forward direction measurement packet, sends the received measurement packet to the next node, stores the received time of the backward direction measurement packet and the sending time of the forward direction measurement packet according to the time-keeping of the internal clock, receives a measurement result notifying packet, calculates a time correction value using the sending time and the received time of the measurement packet shown in the measurement result notifying packet and the sending time and the received time of the measurement packet stored, and corrects a time of the internal clock using the calculated time correction value. | 2010-04-08 |
20100085886 | PACKET DELAY CHARACTERISTIC MEASURING APPARATUS AND METHOD - A packet delay characteristic measuring apparatus that can accurately only measure a delay in a network even if a delay may occur also in a device that receives packets. The apparatus includes: a sending section for periodically sending out test packets each including sending time information to the network; a branching section for handing over the test packets flowing from the network to each of a plurality of communication paths by electrically branching a communication path; a plurality of receiving sections each of which is connected to the branching section for receiving the identical test packets and calculating delay times based on the sending time information; and a measurement value determining section for comparing a plurality of delay times calculated by each of the plurality of receiving sections for the identical test packets and determining the smallest delay time value as a measurement value. | 2010-04-08 |
20100085887 | SYSTEM AND METHOD FOR ADJUSTING THE WINDOW SIZE OF A TCP PACKET THROUGH NETWORK ELEMENTS - A system for adjusting the window size of a TCP packet on a packet network including a sending network element in communication with a receiving network element for transmitting and receiving data packets between the sending network element and the receiving network element on the packet network, wherein at least one of the sending network element and the receiving network element is configured to determine network performance information of the packet network; concatenate the network performance information into the data packets; and adjust the window size of the TCP packet based on the network performance information. A method for adjusting the window size of a TCP packet on a packet network is also included. | 2010-04-08 |
20100085888 | METHOD AND APPARATUS FOR ANALYZING SOURCE INTERNET PROTOCOL ACTIVITY IN A NETWORK - Method and apparatus for analyzing source Internet protocol (SIP) activity in a network is described. In one example, a SIP address is obtained. Log data collected over a predefined time period by a plurality of network facilities is automatically queried using the SIP address as parametric input to generate a report. The report includes sample activity for the SIP and statistics for targeted network facilities, firewall activity, targeted network spaces, and targeted IP addresses. | 2010-04-08 |
20100085889 | Statistical, Signature-Based Approach to IP Traffic Classification - A signature-based traffic classification method maps traffic into preselected classes of service (CoS). By analyzing a known corpus of data that clearly belongs to identified ones of the preselected classes of service, in a training session the method develops statistics about a chosen set of traffic features. In an analysis session, relative to traffic of the network where QoS treatments are desired (target network), the method obtains statistical information relative to the same chosen set of features for values of one or more predetermined traffic attributes that are associated with connections that are analyzed in the analysis session, yielding a statistical features signature of each of the values of the one ore more attributes. A classification process then establishes a mapping between values of the one or more predetermined traffic attributes and the preselected classes of service, leading to the establishment of QoS treatment rules. | 2010-04-08 |
20100085890 | REMOVING TIME TAG JITTER AND CROSSOVER DISTORTION - Techniques for removing time tag jitter and crossover distortion from a measurement system are described. A period or clock drift estimate is generated for each sensor, and the estimates are used to remove time tag jitter and detect and remove crossover distortion. This crossover distortion condition is common to measurement systems required to acquire and accurately time tag data from multiple sensors where the sensors produce data at an asynchronous periodic rate which may result in a distortion in time tag accuracy. These techniques are germane to aircraft and other systems that require precisely time correlated measurements from multiple sensors hosted by a data control system, and can obviate the use of real time operating systems and specialized hardware for this purpose. | 2010-04-08 |
20100085891 | APPARATUS AND METHOD FOR ANALYSING A NETWORK - The invention relates to an apparatus for analysing a network flow, comprising—a parser for extracting flow identification information from the network flow, —a flow metering unit for metering the network flow, —a programmable controller for controlling the flow metering unit and the parser. | 2010-04-08 |
20100085892 | OVERLAY NETWORK COORDINATION REDUNDANCY - An overlay network coordinator redundancy method and apparatus are disclosed having network coordinator functionality latent in a plurality of application-layer network elements, coupled with a precedence schema provided to all application-layer routers which together provide resiliency and rapid recovery in the event of a hardware failure of the acting overlay network coordinator. The overlay network coordinator redundancy system is particularly useful for overcoming overlay network reliability dependencies upon a single coordinator known in the art. | 2010-04-08 |
20100085893 | SENSOR NODES IN MULTIPLE SENSOR NETWORK, METHOD FOR CREATING GRID-BASED TREE OF SENSOR NODES AND SPATIAL QUERY PROCESSING SYSTEM USING GRID-BASED TREE - A method for creating a grid-based tree in a multiple sensor network includes: dividing an entire area in which a base station node and a plurality of sensor nodes are disposed into grid areas; assigning a grid ID to each of the grid areas; setting, sequentially from the base station node to each of the sensor node, level information, candidate child nodes and candidate parent nodes; storing a grid ID of a grid area in which the respective nodes locate; selecting, for the respective sensor nodes, a parent node based on the grid ID, the level information, and the candidate parent nodes; and calculating, for the respective nodes, minimum bounding rectangles each of which includes a child node of corresponding node and nodes descended from the child node. The grid-based tree is calculated by using the minimum bounding rectangles. | 2010-04-08 |
20100085894 | Apparatus And Method For Mapping A Wired Network - The present disclosure relates to a device, system and method for generating an electrical wiring diagram of an electrical network containing nodes by determining node locations with respect to other nodes and mapping the nodes. The nodes may include a processor, a sensor and a low voltage power supply and may be configured to supply and detect an electrical signal. A processor may also be provided, which may be configured to identify the node locations in the network relative to other nodes and performing the function of mapping. | 2010-04-08 |
20100085895 | System and Method For Preparing And Exhibiting A Network Coverage Map - Systems and methods by which network coverage in a specific area can be exhibited to a user of a mobile node. Information stored on an information server may be used in an application which is capable of exhibiting the network coverage in a specific area. The network coverage may be based, for example, on an operating carrier, a carrier and its roaming partners or on a specific type of network. The information stored on the information server can be downloaded by a mobile node, thereby permitting to observe the coverage area for a network type(s) in which the user is interested. The coverage information may be exhibited, for example, in the form of a visual coverage map. | 2010-04-08 |
20100085896 | EXTENSION CONNECTION METHOD AND ROUTE SELECTION DEVICE - When receiving an extension connection request from a first mobile terminal, a first route selection device selects a first extension connection route from among a plurality of extension connection routes and transmits the type of the first extension connection route and calling-side address information used on the first extension connection route to a second route selection device. The second route selection device selects a second extension connection route from among the plurality of extension connection routes and transmits the type of the second extension connection route and called-side address information used on the second extension connection route to the first route selection device. If the second extension connection route coincides with the first extension connection route, an extension connection is established between the first mobile terminal and the second mobile terminal via the first extension connection route. | 2010-04-08 |
20100085897 | METHOD AND APPARATUS FOR RECONFIGURING NETWORK ROUTES - A method and apparatus for ensuring that every path in an IP network that interconnects a pair of VoIP network elements comprises diverse network routes and is engineered with adequate bandwidth to support VoIP phone calls are disclosed. In the event that a single point of failure or inadequate bandwidth is detected between a pair of VoIP network elements, an alarm is issued and network engineers are notified to reconfigure the routes between the VoIP network element pair. | 2010-04-08 |
20100085898 | METHODS FOR DETECTING ROUTING LOOPS BETWEEN HOME AGENTS - Certain aspects of the present disclosure provide methods for detecting a routing loop between at least two home agents utilizing the mobile internet protocol (MIPv6) standard. In a first method, the home agent sends a test message to the last care of address associated with a mobile node and receives a reply if there is no loop. In a second method, the home agent parses a packet and checks if the address of any of the inner headers matches the address of the home agent to find a loop between home agents. | 2010-04-08 |
20100085899 | SYSTEM AND METHOD FOR GENERATING SYMMETRICAL SPANNING TREES - In one embodiment, a network device receives on a first port a first spanning tree protocol (STP) control message including a first path-tracking field corresponding to a given spanning tree instance in a network. The first path-tracking field includes a value based on one or more other network devices that have propagated the first STP control message. The network device receives on a second port a second STP control message including a second path-tracking field corresponding to the given spanning tree instance. The second path-tracking field includes a value based on one or more other network devices that have propagated the second STP control message. The network device utilizes the values from the first path-tracking field and the second path-tracking field to select a root port for the given spanning tree instance. | 2010-04-08 |
20100085900 | SYSTEM AND METHOD FOR MANAGING COMMUNICATION BETWEEN PARTIES - Communication between a client and server software is managed in an environment that has at least one mobile station that has the client software installed therein, and a contact center for incoming and outgoing calls. The client software and the server software have functionalities for handling information in connection with incoming and outgoing calls. These functionalities has means for enabling components in the environment to record and connect data to incoming and outgoing calls in order to form a basis according to which calls are handled. | 2010-04-08 |
20100085901 | SYSTEM AND METHOD FOR COORDINATING HALF-DUPLEX COMMUNICATIONS PROTOCOLS - The present disclosure is directed to a system and method for operating a user agent (UA) and access device located within a communications cell according to a half-duplex (HD), frequency-division duplexing (FDD) protocol. The system and method are designed to accommodate a guard period (GP) between downlink (DL) and uplink (UL) communications from the UA, while addressing the loss of at least part of the DL communication before a subsequent UL subframe to accommodate the GP. | 2010-04-08 |
20100085902 | TIME REVERSAL METHOD OF PROCESSING SYMBOLS IN BIDIRECTIONAL COMMUNICATION - For processing symbols transmitted in frames and separated by guard slots via a propagation channel between first and second communicating entities (EC | 2010-04-08 |
20100085903 | Apparatus and method for managing packet routing through internally-powered network devices in wireless sensor networks - Various embodiments provide an apparatus and method for managing packet routing through internally-powered network devices in wireless sensor networks. An example embodiment includes a hybrid network having an externally-powered node and an internally-powered node, the method includes configuring a role that the internally-powered node will take during an operations phase of the hybrid network, the role including whether the internally-powered node will act as a router or a non-router; demoting the internally-powered node to a non-router role if the internally-powered node is not needed for routing; and promoting the internally-powered node to a router role if the internally-powered node is needed for routing. | 2010-04-08 |
20100085904 | POWER CONTROL SYSTEM IN RADIO COMMUNICATION - A power control system for controlling power consumption of a mobile station used in a radio communication system. The power control system includes a prediction unit and an operation mode setting unit. The prediction unit is configured to predict an outside-communication-area-time taken for the mobile station to pass through a zone in which an intensity of a received radio wave from a base station detected in the mobile station is smaller than a specified value, on a basis of cell information indicating a location of the base station and a communication area, and movement history information indicating movement history of the mobile station. The operation mode setting unit is configured to set the mobile station to a low power consumption mode during the outside-communication-area-time obtained by the prediction unit. | 2010-04-08 |
20100085905 | COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION DEVICE - A communication system includes a center station communication device and a plurality of local station communication devices. The center station communication device includes a transmission unit which transmits first data including reference information to the local station communication devices, the reference information being used for switching the local station communication devices from an active state to a waiting state for a period of one-to-many communication in which the center station communication device transmits second data to the local station communication devices. Each of the local station communication devices includes a receiving unit receiving the first data and the second data from the center station communication device and a state switching unit which, for the period of one-to-many communication, switches from the active state to the standby state based on the reference information. | 2010-04-08 |
20100085906 | COMMUNICATION DEVICE AND METHOD OF MANAGING COMMUNICATION RESOURCES - In response to a resource acquisition request received from a terminal device, whether or not there is an available communication resource among a plurality of communication resources used for receiving or transmitting broadcast signals is checked. When those communication resources are being used and there is not an available communication resource, that resource acquisition request is held temporarily, and release of a communication resource being used is waited for. When a communication resource that has ceased to be used is released, the released communication resource is allocated to the resource acquisition request that has been held. | 2010-04-08 |
20100085907 | WIRELESS RELAY DEVICE, WIRELESS TERMINAL, AND RECORDING MEDIUM THAT RECORDS PROGRAM - A wireless relay device and method that wirelessly connects a wireless terminal, measures a communication index indicating a communication state of a wireless terminal wirelessly connected, detects a weak connection wireless terminal and a strong connection wireless terminal out of wireless terminals according to a communication index of the wireless terminal, transmits a request for functioning as a wireless relay device to the strong connection wireless terminal between the weak connection wireless terminal and the strong connection wireless terminal; switches wireless connection to the weak connection wireless terminal through the wireless connection unit to the wireless connection relayed by the strong connection wireless terminal | 2010-04-08 |
20100085908 | TERMINAL MEASUREMENT BASED SYNCHRONIZATION FOR MESH SATELLITE COMMUNICATIONS - Methods, systems, and devices are described for synchronization in mesh satellite communications. The arrival time of the gateway signal may be used to set a start of receive frame time for a terminal. A received control signal from the gateway may then be used to set a start of transmit frame time for the user terminal. The distance between the satellite and the gateway may change. Ephemeris data, various collections of terminal measurements, or terminal sync bursts may be used to modify start of transmit frame or start of receive frame settings for the terminal or gateway. | 2010-04-08 |
20100085909 | TERMINAL SELF-SYNCHRONIZATION FOR MESH SATELLITE COMMUNICATIONS - Methods, systems, and devices are described for synchronization in mesh satellite communications. The arrival time of the gateway signal may be used to set a start of receive frame time for a terminal. A received control signal from the gateway may then be used to set a start of transmit frame time for the user terminal. The distance between the satellite and the gateway may change. Ephemeris data, various collections of terminal measurements, or terminal sync bursts may be used to modify start of transmit frame or start of receive frame settings for the terminal or gateway. | 2010-04-08 |
20100085910 | ALLOCATING COMMUNICATION FREQUENCIES TO CLUSTERS OF ACCESS POINTS - A system is used in a wireless communication system made up of cells, at least one of which includes at least one sector. The system includes first access points in a first area of a sector of a cell. The first access points are prohibited from communicating over a first frequency. The system also includes second access points in a second area of the sector of the cell. The second access points are prohibited from communicating over a second frequency that is different from the first frequency. | 2010-04-08 |
20100085911 | Base Station Device and Signal Processing Method - A base station device of the present invention includes a base-station main body and multiple antenna units connected in series to the base-station main body. Each of the antenna units includes: a wireless communication unit that includes an antenna for wirelessly transmitting and receiving a signal to and from a mobile terminal; a multiplexer that multiplexes a reception signal received by another antenna unit and a reception signal received by the wireless communication unit, and outputs the multiplexed reception signals to the base-station main body; and a demultiplexer that separates a transmission signal to be transmitted by the wireless communication unit from among multiplexed transmission signals input from the base-station main body, and outputs a transmission signal to be transmitted from the other antenna unit thereto. The base-station main body includes: a demultiplexer that demultiplexes the multiplexed reception signals into reception signals received by wireless communication units of the antenna units; and a multiplexer that multiplexes transmission signals output from the network and to be transmitted from the antenna units and outputs the multiplexed transmission signals to the antenna units. | 2010-04-08 |
20100085912 | METHOD FOR TRANSMITTING FEEDBACK INFORMATION - There is provided a method for enabling a user equipment to transmit feedback information. The method includes generating feedback data representing the feedback information, the feedback data expressed by a binary number having N bits, where N is an integer, the N bits comprising 2 levels, the feedback information represented by one of the 2 levels, wherein different types of the feedback information are assigned to different levels and transmitting the feedback data. Overheads incurred by transmission of feedback information can be reduced. | 2010-04-08 |
20100085913 | SYSTEM ACQUISITION WITH INTERFERENCE CANCELLATION IN THE PRESENCE OF FEMTOCELLS - Systems and methodologies are described that facilitate acquisition of a cell in the presence of interfering cells. An undesired cell in close proximity to a user equipment unit (UE) can inhibit detection of a desired cell. For instance, a femto cell near the UE can interfere with detection and acquisition of a macro cell. The UE can detect the undesired cell and reconstruct an estimate of signals transmitted by the undesired cell. The estimate can be employed to cancel interference from received signals to facilitate acquisition of a desired cell. | 2010-04-08 |
20100085914 | METHOD AND SYSTEM FOR PROVIDING IMS SESSION CONTINUITY TO A USER EQUIPMENT ACROSS A PLURALITY OF COMMUNICATION NETWORKS - A method and system for providing IP Multi-media Subsystem (IMS) session continuity to a User Equipment (UE) across a plurality of communication networks is provided. The UE traverses from a first communication network to a second communication network. A public user identity associated with a private user identity of the UE is registered with the first communication network by using a first address. The method includes generating ( | 2010-04-08 |
20100085915 | Overlay Network Node - A technology is disclosed for actualizing route optimization on a network base, even when privacy-sensitive information, such as a position of a mobile node, is not revealed between two different networks. In the technology, a pHA | 2010-04-08 |
20100085916 | Systems and Methods for Hybrid Wired and Wireless Universal Access Networks - A method for operating a network having one or more nodes wherein each of the nodes having one or more resources, comprising the steps of: forming the network using one or more nodes, wherein certain one or more of the nodes is a gateway connecting to two or more different network connection types; and managing the one or more nodes of the network; wherein the nodes are segregated into one or more cells each having one or more of the nodes and one or more supernodes; wherein the nodes within the same cell are interconnected; and wherein the supernodes are interconnected. | 2010-04-08 |