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Communication system and generating apparatus
A communication system includes a switch that switches output ports according to an address of transmission data; a storing unit that stores a first set of...
Dynamically adjusting operating frequency of a arithemetic processing
device for predetermined applications...
An information processing apparatus 1 includes a memory 13 that stores information used for arithmetic processing. The information processing apparatus 1...
Storage system, storage control apparatus, and storage control method
A storage system in which a storage control apparatus writes data in each of divided areas defined by division of one or more storage areas in one or more...
Multi-core shared memory system with memory port to memory space mapping
A multi-core processor system includes a memory controller that includes multiple ports and shared memory that includes physical address spaces divided among...
Information management and networking
In one embodiment, a personal information profile is constructed for a user having a collection of information items. The personal information profile comprises...
Mobile station apparatus and synchronization timing determining method
A method of determining synchronization timing, comprising: transmitting transmission power information of a first base station (BS) which connects a mobile...
Method of controlling base station apparatus and base station apparatus
controlled by same
A control method for controlling base station apparatuses used in a communication system comprising a first base station apparatus, a second base station...
Digital coherent optical receiver, adaptive equalizer, and digital
coherent optical communication method
A digital coherent optical receiver includes a processor that is operative to separate electric signals obtained by converting an optical signal into a...
A modulating apparatus includes a branch that branches input light; a first modulating unit that modulates the phase of a first branch obtained by the branch; a...
Mitigation of optical signal to noise ratio degradation arising from
polarization dependent loss
Methods and systems for mitigating degradation of an optical signal-to-noise ratio (OSNR) induced by polarization dependent loss (PDL) in an optical network...
Wavelength reassignment in optical networks
An optical network for reassigning a carrier wavelength of an optical signal may include first and second optical nodes. The first optical node may be...
Optical path establishing method and optical node apparatus
An optical node apparatus that establishes an optical path between a first optical node and a second optical node in an optical network include a frequency...
In-band supervisory data modulation using complementary power modulation
According to an aspect of an embodiment, a method of modulating supervisory data onto an optical signal includes increasing a first power level of a first...
Decoding device and decoding method
A decoding device includes a decoder configured to separate a first signal obtained by performing down-mix on original signals of a plurality of channels, a...
Clock data recovery method and clock data recovery circuit
A clock data recovery method includes: integrating an input data signal over a number of cycles of a sample clock to generate an integrated signal; performing a...
Receiver and receiving method
Embodiments of the present invention provide a receiver and a receiving method. The receiver comprises: a branch forming unit a plurality of signal branches;...
Message relay apparatus and method
A disclosed apparatus is a message relay apparatus. This message relay apparatus includes: a receiver that receives a message to be transferred; a determination...
Method and system for multicasting data packets in an MPLS network
A method for multicasting data packets is provided. The method includes preparing multiple point to point connections between a root node and multiple...
Packet transfer delay measurement system
When measuring a one-way packet transfer delay between first and second measurement devices in a time-asynchronous manner, the first measurement device...
Method and apparatus for locally managed allocation of bandwidth in a
A method for allocating bandwidth in a wireless network includes communicating wirelessly with at least one end-point using a first frequency bandwidth. The...
Monitoring apparatus, monitoring method, and computer-readable storage
A monitoring apparatus may receive data transmitted from a transmitting source apparatus at predetermined time intervals, via relay apparatuses configured to...
Cell selection for multi-cell MIMO transmission
A method for use in selecting a cell or cells, from amongst a set of cells in a cellular wireless network, for coordinated use in multi-cell ...
Communication control method and management apparatus
In a communication control method: information processing apparatuses output frames to a first communication apparatus for communication; when a failure in a...
Medium processing apparatus, storage apparatus and conveyance apparatus
A medium processing apparatus includes a magazine including a plurality of storage units each of which stores the storage medium, the adjacent storage units...
Amplifier and amplification method
An amplifier includes a transformer including a primary coil whose one end is connected to an input port and whose other end is connected to reference potential...
Semiconductor optical integrated device and method for fabricating the
A semiconductor optical integrated device includes a first semiconductor optical device formed over a (001) plane of a substrate and a second semiconductor...
Semiconductor device manufacturing method
A semiconductor device manufacturing method includes forming a channel dope layer having a first electric conductive-type inside of a semiconductor substrate,...
Method for manufacturing a compound semiconductor device
A semiconductor device includes a substrate, a carrier transit layer disposed above the substrate, a compound semiconductor layer disposed on the carrier...
Relay apparatus and relay management apparatus
A relay apparatus executes a reallocation process so as to transfer data received from an information processing apparatus allocated to the relay apparatus to a...
Apparatus and method for selecting candidate for failure component
An apparatus for selecting a candidate for a failure component causing errors from a plurality of components included in a network system, the apparatus...
Information processing apparatus, secure module, information processing
method, and computer product
An information processing apparatus securely stores a program group comprising one or more programs and includes a first detector that detects an execution...
Information processing device and emulation processing program and method
An emulation processing method causing a computer including a first and a second processor to execute emulation processing, the emulation processing method...
Apparatus and method for storing a port number in association with one or
A port number is stored in a memory in association with one or more addresses using a data block by which at least one port number associated with a...
Computer program, method, and information processing apparatus for
analyzing performance of computer system
In an information processing apparatus, a comparing unit determines whether the response time of each transaction falls within an acceptable time range that is...
Communication control apparatus, communication system, information
processing apparatus, and communication...
In a communication control apparatus, a first receiving unit receives a registration request packet which is generated so as to enable the communication control...
Relay device, information processing system, and computer-readable
A relay device includes a memory and a processor coupled to the memory. The processor executes a process including storing association relationship information...
Modeling dynamic graphs with binary decision diagrams
In one embodiment, a dynamic graph having a plurality of nodes is modeled with a Binary Decision Diagram (BDD). Each pair of nodes in the dynamic graph is...
Wireless communication system, wireless communication terminal and method
of wireless communication
A wireless communication system includes: a transmitter to transmit information about cells neighboring to a cell in which a wireless communication terminal...
Communication apparatus and method for controlling communication system
In a method for controlling a communication system, the reception device reports a first size of a free space of a buffer in the reception device to the...
Optical channel monitor
An optical channel monitor includes: a first optical device to include first, second and third optical ports, light input through the first optical port being...
Optical signal-processing apparatus, receiving apparatus, and optical
An optical modulator combines and inputs a signal light propagating through the optical network and a control light having information concerning the optical...
System and method for monitoring a dual-polarization signal using an
in-band supervisory signal
Systems and method for monitoring an optical power of a dual-polarization signal are disclosed. The systems and methods may include measuring a first parameter...
Biometric authentication device, biometric authentication method and
computer program for biometric authentication
A biometric authentication device including: a biometric information acquiring unit which generates a plurality of partial images, each of the partial images...
Receiver circuit and semiconductor integrated circuit
In a receiver circuit which can correct a deviation of phase between an input signal and a clock, a sampler detects an amplitude level of the input signal at...
Signal processing circuit and signal processing method
A signal processing circuit includes: a delay line configured to output, to a plurality of taps, signals with different delay times obtained by delaying an...
Routing around intra-network element disconnectivity
Routing around intra-network element (intra-NE) disconnectivity is described. The routing is performed on one or more network element (NEs) of a channelized...
Data block output apparatus, communication system, data block output
method, and communication method
A data block output apparatus includes a first queue that stores data blocks of first traffic; a second queue that stores data blocks of second traffic and is...
Wireless communication apparatus, information processing apparatus, and
wireless communication control method
An input unit inputs input data. A priority determination unit determines priority of the data input by the input unit. A speed control unit sets the...
Base station, communication method and wireless communication system
A base station, to which a cell belongs and which communicates with a relay node to which a relay node cell belongs, including a control unit configured, at a...
Transmitter, receiver, communication system, and communication method
A communication system, etc. are provided that can prevent the accuracy of propagation channel estimation from degrading when performing radio communications...