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| 20080268782 | Receiving device and communication system - A receiving device and a communication system wherein the frequency usage efficiency is raised to improve the communication throughput. The receiving device comprises a receiving unit that receives multicarrier signals in which a plurality of subcarriers are divided into a plurality of subcarrier blocks (frequency blocks) each including at least one subcarrier and in which signals to be transmitted to receiving devices are allocated on a subcarrier block basis; an estimating unit that estimates, for each of the subcarrier blocks, quality values indicative of the reception statuses of the signals allocated to the plurality of subcarrier blocks; and a notifying unit that notifies a transmitting device of information indicative of a high quality subcarrier block having a high quality value in the quality values, a quality value in the high quality subcarrier block, and an interval of the subcarrier blocks having the quality value of which a difference from the quality value in the high-quality subcarrier block falls within a predetermined threshold value. | 10-30-2008 |
| 20090161786 | DIGITAL RADIO COMMUNICATIONS METHOD USING MULTI-LEVEL MODULATION SCHEME AND TRANSMITTER AND RECEIVER - A transmitter for use in digital radio communications systems includes: a bit corrector controls bit arrangement in such a manner that a code having high significance, out of multiple codes obtained by coding, is allocated with high priority to a bit having a tendency that the likelihood enlarges at the time of symbol decision on a receiver; a multi-level modulator allocates the code to the multiple bits in accordance with a predetermined symbol arrangement; and a symbol arrangement controller controls the symbol arrangement from equal distance arrangement to another arrangement in accordance with a ratio of the codes different in significance. To control symbol arrangement increases the effect of bit correction and improves an error rate on the receiver. | 06-25-2009 |
| 20100118787 | RADIO BASE STATION AND MOBILE STATION - An error detection coding processing section of the radio base station performs an error detection coding process with data including both first control data to be used for receiving a downlink signal and second control data to be used for sending an uplink signal as a unit. A sending section sends data on which the error detection coding process has been performed by the error detection coding processing section to the mobile station. | 05-13-2010 |
| 20100172373 | CONTROL DATA COMMUNICATION METHOD AND APPARATUS THEREOF - A control data communication method for multiplexing and transmitting a plurality of mutually independent types of control data by using a control channel and for separating the control data received from the control channel includes changing and transmitting patterns of reference signals included in the control channel according to a format for multiplexing the control data, detecting the format for multiplexing the transmitted control data according to the pattern of the reference signals included in the control channel, and separating the control data in correspondence with the detected format. | 07-08-2010 |
| 20100234055 | MOBILE USER TERMINAL, MOBILE COMMUNICATION SYSTEM, BASE STATION, AND COMMUNICATION METHOD - A mobile user terminal, which transmits downlink quality information indicating downlink channel quality and an uplink pilot signal to a base station, in which a carrier frequency used for transmitting the downlink quality information and a carrier frequency used for transmitting the uplink pilot signal are selectable respectively from among a plurality of carrier frequencies assigned to a mobile user terminal, a mobile user terminal comprising of a radio transmitting unit, which transmits said downlink quality information and said uplink pilot signal by using the same carrier frequency among a plurality of carrier frequencies or by using adjacent carrier frequencies among a plurality of carrier frequencies. | 09-16-2010 |
| 20100296490 | ERROR RATE CONTROL APPARATUS - A wireless communication system comprising a transmitter configured to transmit a data signal and a control signal to the same mobile station and a control unit configured to regulate transmission power of the control signal in accordance with a reception status of the control signal in the mobile station. | 11-25-2010 |
| 20110075645 | WIRELESS COMMUNICATIONS SYSTEM, BASE STATION, AND MOBILE STATION - A wireless communications system including a mobile station MS and base stations BS | 03-31-2011 |
| 20110243265 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system is disclosed including a MIMO wireless communication apparatus that can communicate through multiple antennas and a non-MIMO wireless communication apparatus that can communicate through a single antenna or multiple antennas. The MIMO wireless communication apparatus includes a communication unit configured to transmit and receive control information divided into a second control information containing information related to the demodulation and decoding of traffic channel and a first control information containing information related to the MIMO separation of the second control information. | 10-06-2011 |
| 20110249704 | SPREAD CODE ALLOCATING METHOD, DESPREADING METHOD, TRANSMITTING DEVICE, RECEIVING DEVICE, COMMUNICATING DEVICE, WIRELESS BASE STATION DEVICE, AND MOBILE TERMINAL DEVICE - A communication system, including a transmitter that transmits a signal by using a two-dimensional spread code used for making a spread in time and frequency directions and a receiver that receives the signal transmitted from the transmitter, where the transmitter includes a selecting unit that selects spread codes in which at least one of the time and the frequency directions are mutually orthogonal, and a transmitting unit that spreads a signal by using the selected spread codes and transmits the signal, where each of the selected spread codes are able to be split in two or more parts, which are mutually orthogonal with the same parts of other selected spread codes in at least one of the time and the frequency directions. | 10-13-2011 |
| 20110263210 | MOBILE USER TERMINAL, MOBILE COMMUNICATION SYSTEM, BASE STATION, AND COMMUNICATION METHOD - A mobile user terminal includes a receiver which receives a signal, and a processor which measures downlink channel quality based on the signal and does not transmit downlink channel quality information and an uplink pilot signal simultaneously at a period which the mobile user terminal is a state of transmission off in an intermittent fashion. | 10-27-2011 |
| 20120110422 | TRANSMISSION DEVICE - A transmission device in a communication system where a systematic code obtained by systematic encoding of information bits into which dummy bits are inserted and by deletion of the dummy bits from the results of the systematic encoding is transmitted. The transmission device inserts dummy bits into information bits based on an interleaving pattern of an interleaving portion in a turbo encoder; performs systematic encoding of the information bits into which the dummy bits are inserted, and then deletes the dummy bits from the results of the systematic encoding to generate a systematic code; and transmits the systematic code. By considering the interleaving pattern, original bit positions, which, after interleaving, exists within the ranges of stipulated numbers of bits at the beginning and at the end, are determined in advance, and the dummy bit insertion portion executes control so as not to insert dummy bits into the original bit positions. | 05-03-2012 |
| 20120204083 | TRANSMISSION DEVICE - A method in a communication system, where a systematic code obtained by systematic encoding of information bits having dummy bits inserted and by deletion of the dummy bits from results of the systematic encoding is transmitted. On a receiving side, the deleted dummy bits are inserted into the received systematic code and then decoded. The method includes: deciding a size of dummy bits for insertion into information bits; segmenting the information bits into a number of code blocks when a bit size of the information bits is greater than a stipulated size; inserting dummy bits into each block of the segmented information bits in conformity with a dummy bit insertion pattern; performing systematic encoding of each block of the information bits into which the dummy bits are inserted, and deleting the dummy bits from the results of the systematic encoding to generate a systematic code. | 08-09-2012 |
| 20120230215 | MOBILE USER TERMINAL, MOBILE COMMUNICATION SYSTEM, BASE STATION, AND COMMUNICATION METHOD - A method for using a mobile user terminal includes a receiving a signal and a measuring downlink channel quality based on the signal; wherein downlink channel quality information and an uplink pilot signal simultaneously is not transmitted at a period which the mobile user terminal is a state of transmission off in an intermittent fashion. | 09-13-2012 |
| 20120230321 | MOBILE USER TERMINAL, MOBILE COMMUNICATION SYSTEM, BASE STATION, AND COMMUNICATION METHOD - A mobile user terminal includes a receiver which receives a signal, and a processor which measures downlink channel quality based on the signal and does not transmit downlink channel quality information and an uplink pilot signal simultaneously at a period which the mobile user terminal is a state of transmission off in an intermittent fashion. | 09-13-2012 |
| 20120307763 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system is disclosed including a MIMO wireless communication apparatus that can communicate through multiple antennas and a non-MIMO wireless communication apparatus that can communicate through a single antenna or multiple antennas. The MIMO wireless communication apparatus includes a communication unit configured to transmit and receive control information divided into a second control information containing information related to the demodulation and decoding of traffic channel and a first control information containing information related to the MIMO separation of the second control information. | 12-06-2012 |
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| 20090019338 | Communications device and wireless communications system - Turbo coding and decoding devices provide interleaving in the error correction coding process, which improves error correction capability. A turbo decoding device for decoding data obtained by performing error detection coding on a plurality of data blocks and further subjecting that data to turbo coding that includes interleaving in the coding process, comprises a rearrangement unit to perform interleaving between a first decoding a second decoding, an error detection unit to perform error detection processing for each block based on data after the first decoding, and an adjustment unit to adjust a likelihood indicated by data obtained after decoding in the first decoder but prior to the interleaving and corresponding to blocks evaluated as having no errors by the error detection unit. | 01-15-2009 |
| 20100138716 | METHOD AND APPARATUS FOR CONTROLLING TRANSMITTING, RECEIVING, AND RE-TRANSMISSION - The present invention relates to a method and apparatus that are capable of executing the error correction decoding process while controlling the increase in the amount of data that is stored in the receiving apparatus. There is provided a transmitting apparatus for transmitting the data to a receiving apparatus to execute the error correction decoding process using, for example, the received data and the re-transmitted data, comprising a transmitting data generating means for generating a first transmitting data by executing the rate matching process to a first part of the error correction coded data and generating a second transmitting data including at least the data not included in the first part by executing the rate matching process on the basis of the error correction coded data, and a transmitting means for executing the transmission of the second transmitting data as the re-transmission after the transmission of the first transmitting data. | 06-03-2010 |
| 20100278282 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A method of transmitting data including controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data, to be closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data. With regard to first bit positions of the predetermined bits, the first bit positions being distinguished from second bit positions based on an error tolerance resulting from a correspondence to a signal point on a phase plane. Wherein a sum of a number of the predetermined bits included in the first data block and the predetermined bits included in the second data block is less than a total number of the first bit positions. Also including performing multi-level modulation for transmission based on the generated bit sequences. | 11-04-2010 |
| 20110058625 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A method of transmitting data by transmitting apparatus, that includes controlling generation of bit sequences to adjust an occupation rate of systematic bits in a first data block including systematic bits and parity bits, which is obtained by encoding first data in a first encoding process, and is equal or closer to an occupation rate of systematic bits in a second data block including systematic bits and parity bits, which is obtained by encoding second data in a second encoding process, and to adjust an occupation rate of parity bits in the first data block that is closer to an occupation rate of parity bits in the second data block, in regard to first bit positions of the bit sequences generated using bits included in the first and second data blocks and performs multi-level modulation for transmission based on the generated bit sequences. | 03-10-2011 |
| 20110142167 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A transmitting apparatus, that includes a means for generating bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data in a first encoding process, to be equal or closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data in a second encoding process, in regard to first bit positions of the bit sequences generated using bits included in the first and second data blocks and a modulator for performing multi-level modulation for transmission based on the generated bit sequences. | 06-16-2011 |
| 20110142168 | TRANSMITTING APPARATUS WITH BIT ARRANGEMENT METHOD - A method of transmitting data that includes controlling generation of bit sequences to adjust an occupation rate occupied with predetermined bits included in a first data block, which is obtained by encoding first data in a first encoding process, to be equal or closer to an occupation rate occupied with predetermined bits included in a second data block, which is obtained by encoding second data in a second encoding process, in regard to first bit positions of the bit sequences generated using bits included in the first and second data blocks; and performing multi-level modulation for transmission based on the generated bit sequences. | 06-16-2011 |
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| 20090233373 | MULTISITE PHOSPHORYLATED PEPTIDE (PROTEIN) RECOGNIZING COMPOUND AND DETECTION METHOD, IMAGING METHOD, ALZHEIMER'S DISEASE DIAGNOSING METHOD AND REAGENT KIT USING THE SAME - There are provided a novel compound which captures a multisite phosphorylated peptide or protein specifically to a phosphorylation site and a method for detecting a multisite phosphorylated peptide or protein using the same. In particular, there are provided a compound which specifically detects an excessively phosphorylated tau protein observed in the brain affected by Alzheimer's disease and a method for diagnosing Alzheimer's disease in vitro or in vivo using the compound. By bringing a metal complex compound having two dipicolylamine (Dpa) moieties and a spacer including a chromogenic or luminescent functional group or atom group into contact with a multisite phosphorylated peptide or protein, the compound recognizes the distance between phosphate groups and specifically binds to the peptide or the protein, and a multisite phosphorylated peptide or protein or a kinase activity is optically detected by measuring the change, or a multisite phosphorylated peptide or protein or kinase activity is imaged by an optical imaging method applying the change in the luminescence. | 09-17-2009 |
| 20100225314 | NUCLEAR MAGNETIC RESONANCE MEASURING METHOD - The present invention provides a method for measuring nuclear magnetic resonance that employs a compound in which a plurality of nuclei is labeled with isotopes as a probe agent, highly selectively and highly sensitively obtains a nuclear magnetic resonance signal of the above described probe agent, and can attach a spatial positional information to the above described nuclear magnetic resonance signal, and an apparatus therefore. | 09-09-2010 |
| 20100247444 | COMPOUND, DIAGNOSTIC AGENT, NUCLEAR MAGNETIC RESONANCE ANALYSIS METHOD, NUCLEAR MAGNETIC RESONANCE IMAGING METHOD, MASS SPECTROMETRY METHOD AND MASS SPECTROMETRY IMAGING METHOD - To produce a labeled compound for a selected biological substance not using a radioisotope atom which has a risk of exposure to radioactivity and limitation on handling time but using a stable isotope atom; and that the labeled compound can be measured with good sensitivity separably from naturally occurring compounds of the selected biological substance which are substituted with the stable isotope atom. Choline as a biological substance is labeled by substituting the nitrogen atom of the quaternary ammonium group and all the carbon atoms of the methyl group attached to the nitrogen atom with respective isotopes | 09-30-2010 |
| 20100248279 | SUBSTRATE PROBE, ENZYME-ACTIVITY DETECTION METHOD BY A MULTI-DIMENSIONAL NUCLEAR MAGNETIC RESONANCE METHOD AND ENZYME-ACTIVITY IMAGING METHOD - Substrate probe capable of detecting enzyme activity with high accuracy and a method for detecting the enzyme activity by a multi nuclear magnetic resonance method using the substrate probe. Multi-dimensional nuclear magnetic resonance is performed by using a substrate probe, which is used for measuring enzyme activity by a multi-dimensional nuclear magnetic resonance method and characterized by containing a enzyme recognition site that is selectively recognized by an active-state enzyme, as at least one constitutional unit, and a group to which at least three nuclear magnetic resonance active nuclei each having a nuclear spin and a different resonance frequency are connected, being present specifically to the enzyme recognition, thereby detecting presence of the substrate probe and the enzyme activity. Alternatively, imaging of the enzyme activity is performed by a multi-dimensional nuclear resonance imaging method. | 09-30-2010 |
| 20110028713 | AZA COMPOUNDS AND PRODUCTION METHOD THEREOF, AND METAL COMPLEXES AS MRI CONTRAST AGENTS - A core of a cyclic structure represented by (—N—(CH | 02-03-2011 |
| 20120070375 | COMPLEX AND CONTRAST AGENT FOR PHOTOIMAGING USING THE SAME - There is provided a gelatin-ICG complex that can suppress leakage of ICG included therein. The complex has a gelatin derivative including at least one of a phospholipid covalently bonded to a gelatin or a cholesterol covalently bonded to a gelatin, and indocyanine green. | 03-22-2012 |
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| 20080248354 | Enzyme Electrode, and Device, Sensor, Fuel Cell and Electrochemical Reactor Employing the Enzyme Electrode - An enzyme electrode has a conductive member and an enzyme, wherein the conductive member has a porous structure, and the enzyme is immobilized through a carrier in pores constituting the porous structure. An enzyme electrode device, comprises the enzyme electrode, and wiring connected to the conductive member of the enzyme electrode. | 10-09-2008 |
| 20090162773 | POLYMER HAVING SULFONIC ACID GROUP OR SULFONIC ACID ESTER GROUP AND AMIDE GROUP, AND TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE HAVING THE POLYMER - There is provided a polymer including a unit represented by Chemical Formula (1): | 06-25-2009 |
| 20090202927 | Charge control agent, toner, image forming method, and image forming apparatus - To provide: a charge control agent having negative chargeability, which contributes to environmental conservation and the like to an increased degree, has high performance (high charge amount, quick rise-up of charge, excellent stability with time, and high environmental stability), and has improved dispersibility; a toner for developing an electrostatic charge image containing the charge control agent; and an image forming method and an image forming apparatus each using the toner for developing an electrostatic charge image. A charge control agent for controlling a charged state of powder, characterized by including one or more units each represented by the following chemical formula (1) in a molecule. | 08-13-2009 |
| 20100291482 | NOVEL POLYMER, CHARGE CONTROL AGENT, AND TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGES - Provided are a novel polymer having a sulfonic group, a sulfonic acid ester group, or a derivative thereof incorporated therein, a method of producing the polymer, and a novel compound suitable for producing the polymer. A polymer is characterized by containing a unit represented by the following formula (1): | 11-18-2010 |
| 20120164569 | RESIN FOR TONER AND TONER - A resin for toner containing a resin component having both a polyester unit produced by polycondensation of a polyhydric alcohol component and a polycarboxylic acid component, and an aryl group having a sulfonic ester group as a substituent; and a toner that contains the resin for toner. | 06-28-2012 |
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| 20090061498 | POLYHYDROXYALKANOATE-CONTAINING STRUCTURE AND MANUFACTURING METHOD THEREOF - A method for manufacturing polyhydroxyalkanoate-containing structure, at least a part of a base material surface of the structure being coated with polyhydroxyalkanoate, the method comprises the steps of immobilizing a polyhydroxyalkanoate synthase on the base material surface, synthesizing, on the base material surface, polyhydroxyalkanoate using a 3-hydroxyacyl coenzyme A to become the substrate of the synthase and the synthase and coating at least a part of the base material surface with the synthesized polyhydroxyalkanoate, wherein the synthase contains an amino acid sequence capable of binding to the base material. A polyhydroxyalkanoate-containing structure, at least a part of a base material surface of the structure being coated with a polyhydroxyalkanoate, comprises the base material, a polyhydroxyalkanoate synthase immobilized on the base material surface, and the polyhydroxyalkanoate with which at least a part of the base material surface is coated, wherein the synthase contains an amino acid sequence capable of binding to the base material. | 03-05-2009 |
| 20090077400 | POWER CONTROL SYSTEM - A power mode designating unit of a main system outputs an operation mode designating signal to a sub system. Upon shifting from the normal operation mode to the power-saving mode, a control unit of the sub system outputs a power-saving mode shift enable signal indicating that shifting to the power-saving mode is possible to a power control unit of the sub system. When the operation mode designating signal designates the power-saving mode and the power-saving mode shift enable signal indicates that shifting to the power-saving mode is possible, the power control unit supplies a power-saving mode voltage to the control unit. | 03-19-2009 |
| 20120066522 | POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS - A power supply device provided with a main power supply unit that supplies generated predetermined power to an electric load, a current detecting unit, a current indicating unit, an electric storage unit, an auxiliary power supply unit, and a control unit that determines an upper limit current value to be output to the current indicating unit on the basis of at least a condition of the electric load, and controls the upper limit current value such that power supplied from the auxiliary power supply unit to the electric load is converged in a predetermined convergence time when the power supply from the auxiliary power supply unit to the electric load is stopped or reduced. | 03-15-2012 |
