Kabushiki Kaisha Toshiba

Toshiba Memory Corporation

Senju Pharmaceutical Co., Ltd.

Seed Company Limited

Haruka Obata

Toshihisa Nabetani

Hironori Uchikawa

Tomoya Tandai

Osamu Torii

Tatsuma Hirano

Tsuyoshi Kogawa

Miyuki Ogura

Xu Zhu

Yasuyuki Tanaka

Takao Sato

Kosuke Tatsumura

Kenji Yoshida

Ryo Yamaki

Kenji Sakurada

Daiki Watanabe

Kohsuke Harada

Tatsuyuki Ishikawa

Yoshiko Yamazaki

Toru Matsunaga

Wakiko Asayama

Shinichi Yasueda

Kabuto Arai

Kiyoshi Shoji

According to one embodiment, a wireless communication system includes a base station, a first allocation determination device, and a second allocation determination device. The base station is capable of wirelessly communicating with terminal devices each having either a first characteristic or a second characteristic. The first allocation determination device determines allocation of communication resources to at least one of the terminal devices. The second allocation determination device determines allocation of communication resources to at least another one of the terminal devices.

Wireless communication system, base station, and non-transitory computer-readable storage medium

A wireless communication system can change a subcarrier spacing. The system includes a control device and an allocation determination device. The control device controls wireless communication between the terminal devices and the communication device. The allocation determination device generates allocation information indicating a communication block included in communication blocks, where the allocation information is for at least one of the terminal devices. The control device determines an allocation time for allocating by the allocation determination device. The control device outputs, to the allocation determination device, an allocation request including reference information regarding communication and information regarding the allocation time. The allocation determination device outputs the allocation information regarding the terminal devices to the control device by a reply time before the allocation time using the reference information. The control device performs the allocation process before the allocation time using the allocation information.

Wireless communication system, control device, and computer program product

A system includes a first device with a primary screening area; a second device with a secondary screening area different from the primary screening area; and processor circuitry. The first device includes a first antenna and a first communication device; the second device includes a second antenna and a second communication device. The first antenna irradiates an electromagnetic wave to a target in the primary screening area and receives an electromagnetic wave reflected by the target; the second antenna irradiates an electromagnetic wave to the target in the secondary screening area and receives an electromagnetic wave reflected by the target; and the processor circuitry determines a possibility that the target possesses a predetermined article, based on a level of the electromagnetic wave received by the first antenna, and determines that screening by the second device is required for the target in accordance with the possibility. The first communication device transmits, to the second device, first information identifying that screening by the second device is required for the target; and the processor circuitry makes the second antenna start irradiation of the electromagnetic wave when the second communication device receives the first information.

System and inspection method

According to one embodiment, a base station communicably connected to a wireless terminal is provided. The base station includes a processor and a transmitter. The processor is configured to acquire communication condition information indicating conditions of wireless communication with the wireless terminal. The transmitter is configured to transmit the communication condition information to a system managing a first network slice and a second network slice which can be used by the base station.

Base station, system, and method

According to one embodiment, a wireless apparatus determines a state of a first wireless link with a first mobile station and a state of a second wireless link with a second mobile station in a first communication mode, and transmits a first signal to the first and the second mobile stations in accordance with the states of the first and the second wireless links. In response to the first signal, the first communication mode is changed to a second communication mode in which the wireless apparatus communicates with the second mobile station via a direct communication between the first and the second mobile stations.

Wireless apparatus and communication method

According to one embodiment, an antenna is configured to irradiate a first electromagnetic wave of a wavelength of 1 mm to 30 mm to a first position in an area in which at least one of a target person or a belonging of the target person is present, and irradiate a second electromagnetic wave of a wavelength of 1 mm to 30 mm to a second position in the area. Processor circuitry is configured to obtain a first reflection intensity of the first electromagnetic wave on the first position, and obtain a second reflection intensity of the second electromagnetic wave on the second position, and determine a degree of danger relating to a possibility that the target person possesses a dangerous article.

The purpose of the present invention is to provide a polymer gel that can increase drug content ratio and reduce undesirable influence on gel strength and shape stability after the drug release, compared with the conventional techniques. The purpose can be achieved by an anionic drug-containing medical device comprising: (1) an anionic drug; and (2) a copolymer which contains, as constituents, a cationic monomer comprising a condensation product of an alkyl quaternary ammonium compound having a substituted or unsubstituted aralkyl group and (meth)acrylic acid or a salt of the condensation product and a monomer capable of copolymerizing with the condensation product or the salt of the condensation product.

Anionic drug-containing medical device

A memory controller according to an embodiment includes a first decoder which calculates first extrinsic value based on a decoding success rate specified using a first table showing a correspondence between first distance information indicating a square Euclidean distance between a first decode word and a first soft input value and a first decoding success rate indicating a probability of a decoding result that the first decode word is correct, and a second decoder which calculates second extrinsic value based on a decoding success rate specified using the second table showing a correspondence second distance information indicating a square Euclidean distance between a second decode word and a second soft input value and a second decoding success rate indicating a probability of a decoding result that the second decode word is correct.

Memory controller and decoding method

According to one embodiment, a wireless communication device includes: a receiver configured to receive a first frame from a first terminal and a second frame from a second terminal; and controlling circuitry configured to obtain quality information of a first channel with the first terminal based on the first frame and quality information of a second channel with the second terminal based on the second frame, and determine a transmission rate applied to the first terminal and a transmission rate applied to the second terminal in spatially multiplexed transmission, based on the quality information of the first channel, the quality information of the second channel and interference amount information being indicative of an amount of interference depending on an execution condition of the spatially multiplexed transmission.

Wireless communication device and method for determining transmission rate based on interference amount information

According to an embodiment, a row decoder to perform row decoding by using, as row soft input information, a row received word read as soft determination information from a non-volatile memory and to calculate row extrinsic information and a column decoder to perform column decoding by using column soft input information, which is a result of adding of the row extrinsic information to a column received word read as soft determination information from the non-volatile memory, and to calculate column extrinsic information are included. The row decoder includes a first decoder for first decoding, a second decoder for second decoding a decoding method of which is different from that of the first decoding, and a selection unit to select a decoded result based on accuracy of a decoded result of the first decoding and that of a decoded result of the second decoding and to calculate the row extrinsic information.

Memory controller, storage device and decoding method

According to one embodiment, an encoding apparatus includes an input unit and a generation unit. The input unit inputs a data symbol sequence containing q(N&#x2212;J) symbols (q, J, and N are integers, N&#x3e;J). The generation unit generates a codeword containing qN symbols by adding a parity symbol sequence containing qJ symbols to the data symbol sequence. The codeword satisfies parity check equations of a parity check matrix of qJ rows&#xd7;qN columns. A first submatrix of qJ rows&#xd7;qJ columns that corresponds to the parity symbol sequence in the parity check matrix includes a second submatrix. The second submatrix includes a first identity matrix of qL rows&#xd7;qL columns (L is an integer, J&#x3e;L) and a first non-zero matrix of q(J&#x2212;L) rows&#xd7;qL columns.

Encoding apparatus, encoding method and semiconductor memory system

According to one embodiment, a decoder includes a control unit and a decoding unit. The control unit determines a window size applied to a first target frame to be a first value and determines a window size applied to a second target frame different from the first target frame to be a second value different from the first value. The decoding unit carries out windowed decoding of a spatially coupled code on the first target frame with the window size set to the first value and carries out windowed decoding of a spatially coupled code on the second target frame with the window size set to the second value.

Decoder, decoding method and communication apparatus

A semiconductor memory device includes a semiconductor memory unit which stores LDPC encoded data, and a decoding unit which decodes the encoded data, wherein the decoding unit performs serial decoding using the posterior likelihood ratio as it is for a column element likelihood ratio when the absolute value of the posterior likelihood ratio is not smaller than a threshold and using the column element likelihood ratio as it is for the posterior likelihood ratio when the absolute value of the column element likelihood ratio is not smaller than the threshold, and if the decoding does not succeed even after a predetermined first cycle count of iterative processing is performed or if the number of syndrome errors becomes smaller than a predetermined first syndrome error count, the decoding unit shrinks the absolute values of at least some of posterior likelihood ratios and resets all prior likelihood ratios to '0.'

Semiconductor memory device and decoding method

According to embodiments, an error correction decoder carrying out iterative decoding for coded data based on LDPC code. The decoder comprises a generation unit and an inversion, control unit. The generation unit is configured to generate an inversion node list listing variable nodes connected to check nodes not satisfying a parity check when a code word cannot be obtained after carrying out the iterative decoding a first number of iterations. The inversion control unit is configured to choose a variable node which is a target for inversion from among the variable nodes listed in the inversion node list, and to carry out inversion processing which includes updating an input likelihood of the variable node which is the target for inversion temporarily by inverting a sign of an a posteriori likelihood of the variable node which is the target for inversion.

Error correction decoder and storage apparatus

According to one embodiment, a signal processing device comprises a first waveform equalizer, a second waveform equalizer, a first Viterbi decoder, a second Viterbi decoder. The first and the second waveform equalizers equalize a waveform of the input signal according to first and second partial response characteristics and output first and second partial response signals. The first and second Viterbi decoders decode the first and the second partial response signals by means of Viterbi decoding process. The input signal is reproduced based on an output of the first Viterbi decoder and an output of the second Viterbi decoder.

Growing community of inventors

Tokyo, Japan

Haruka Obata