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Operation management system of radio communication system and method
thereof, and operation management...
An operation management system in a radio communication system, including a plurality of wireless base stations, includes: a cell determining means for...
Optical access network method, optical access network, and optical switch
for optical access network
An optical access network method, an optical access network and an optical switch for an optical access network, capable of solving all the three problems in the...
Apparatus and method of encoding and decoding digital images using
parallel processing of bit-planes
An image encoding apparatus comprises first processing means for determining whether or not each bit in a bit plane of a code block should be processed in a...
Early error detection during fabrication of reticles
The reticle fabrication system of the present invention includes a first preparatory processor, a second preparatory processor, a comparison/determination unit,...
Equalizer and equalization method
An equalizer calculates an equalization weight using a transmission channel response vector that arranges transmission channel estimation at the detection path...
Method of noise factor computation for chip equalizer in spread spectrum
A method of noise factor computation for a chip equalizer in a spread spectrum receiver, the method including the steps of: computing channel and noise variance...
Transmission apparatus and peak reduction method
There is a problem that a delay is caused in signal processing by exercising control so as to cause amplitude peaks in a transmission signal to fall in a...
Adaptive transmission timing control method, wireless communication system
and wireless communication device
In a method for adaptive transmission timing control, the overlooking of a base path at the side of the base station that occurs when the transmission timing...
Method, device, system and program for time-series data management
A time-series data management method, a time-series data management device, a time-series data management system, and a time-series data management program...
Packet transmission method and system, base station, wireless LAN
terminal, and wireless LAN system using the same
Disclosed herein is a packet transmission method wherein received packets are sorted into prioritized QoS packets and general packets other than the prioritized...
Overvoltage protection circuit of output MOS transistor
An overvoltage protection circuit is for a circuit of an output MOS transistor and a load connected in series between a first power supply and a second power...
Digital-to-analog converter circuit, data driver, and display device using
the digital-to-analog converter circuit
Disclosed is a data driver including a reference voltage generation circuit that generates and outputs a plurality of reference voltages, a decoder circuit that...
Constant voltage generating apparatus with simple
overcurrent/short-circuit protection circuit
In a constant voltage generating apparatus where an output circuit is controlled in accordance with a control voltage, a voltage detection signal generating...
Semiconductor integrated circuit for reducing leak current through MOS
A semiconductor device is composed of: a power control region within which function cells are arranged; a basic power supply line overlapping said power control...
Password authenticating apparatus, method, and program
In a password authenticating apparatus, a control section displays an image of a keyboard including multiple character keys on a display section. An input...
Job executing unit power control system
A power control system includes power control target units, each of which has a power source and is used by at least one of jobs; job executing units configured...
Multi-spot call system, sound volume adjustment device, portable terminal
device, and sound volume adjustment...
Stored in an each speaker's sound volume coefficient table 13 are a speaker identification ID and information of a voice coefficient so as to be correlated with...
System and method for mobile communication
Pluralities of state update frames are defined. The base station is configured to transmit a state update data to instruct the mobile station to be set to either...
Network control device and control method and program thereof
A system including sub-networks mounted with different kinds of protocols/profiles, a gate way/proxy for connecting the sub-networks, and nodes on the...
Switch system and loop transfer method
In a switch system including a plurality of switch mechanisms that form a ring topology, each of the switch mechanisms includes an input and output unit that...
Amplifier and driving circuit using the same
An amplifier in an embodiment of the present invention has MOS transistors connected serially between a power supply VDD and a ground terminal GND; an output...
Reference voltage generator
A reference voltage generator according to an embodiment of the present invention includes: a voltage setting circuit generating a first voltage having a...
Semiconductor integrated circuit including output circuit
An output circuit includes a differential section configured to amplify an inputted differential signal; a current source section configured to supply a current...
Semiconductor device, method and apparatus for testing same, and method
for manufacturing semiconductor device
A semiconductor device wherein an electrode pad to be contacted a test probe for performing probe testing, a bonding area mark for defining a bonding area which...
Fuse cutting test circuit, fuse cutting test method, and semiconductor
A fuse cutting test method to test the state of a fuse includes measuring the current flowing through the fuse and determining the fuse to be either broken, or...
Photomask and exposure method
A photomask is to be used for exposure of a semiconductor wafer with the dipole illumination light, and includes a main opening, a first assist opening, a second...
Printer and printing method
A printer includes a printing part that prints inputted printing information on paper while moving by gravity and supports that support the printing part and the...
Method and system for detecting omission in software-property management
To prevent a computer to be managed from being omitted in software-property management which manages, for each computer, basic information thereof, installed...
Circuit design device and circuit design program
A placement and routing processing unit performs placement and routing processing on a customer circuit based on design data. An embedded circuit generation...
Mobile terminal, position search system, position search method, and
A mobile terminal 100 includes a position information detection part 8 that detects current position information, a position information decoder part 9 that...
Data processing device, data processing method, and electronic device
The cellular phone is provided with a storing unit including: a first storing unit for storing special character data, which includes at least one of pictogram...
Data transfer apparatus for low voltage differential signaling
A data transfer apparatus is composed of a transmitter and a receiver. The transmitter includes an output buffer developing a differential signal in response to...
LAN type internet access network and subscriber line accommodation method
for use in the same network
L2 switch 1 accommodates a plurality of subscriber lines and is connected to an upper side of an internet including service/management device 5 to exchange data...
Method and apparatus for evaluating performance of wireless LAN system
A method for evaluating the performance of a wireless LAN (local area network) system having a single access point and a plurality of transmission terminals,...
Apparatus, method, and program for detecting communication parameter
A correlation signal generating circuit generates a duplicate signal for correlation processing based on a multiplex duplication signal. An autocorrelation...
Semiconductor integrated circuit device having memory macros and logic
cores on board
A semiconductor integrated circuit device has memory macros and logic cores. The memory macro is composed of a dynamic memory including an access port and a...
Liquid crystal display device having spacer holes
A liquid crystal display device includes an active matrix substrate and a counter substrate opposing each other with a gap therebetween defined by a plurality of...
Semi-transmissive type liquid-crystal display device and method of
fabricating the same
A semi-transmissive type liquid-crystal display device suppresses the reduction and corrosion of the transmission or common electrode due to the cell corrosion...
Semi-transmissive type liquid-crystal display device and method of
fabricating the same
A semi-transmissive type liquid-crystal display device makes it possible to easily optimize both the reflection characteristic (reflection mode) and the...
Semiconductor device including capacitive circuit and short-circuit
preventing circuit connected in series
In a semiconductor circuit device including a first terminal adapted to receive a first voltage and a second terminal adapted to receive a second voltage lower...
Semiconductor device with NMOS transistors arranged continuously
A semiconductor device includes a plurality of PMOS transistors formed on a semiconductor substrate; and a plurality of NMOS transistors formed on the...
C-shaped dummy gate electrode semiconductor device and method of
manufacturing the same
A semiconductor device has a substrate, a first gate electrode, and a second gate electrode. The substrate has an active region surrounded by an isolation...
Semiconductor device and manufacturing method thereof
A semiconductor device has a multi-layer wiring in which resistance against migration of the semiconductor device is raised to improve the yield. Semiconductor...
Substrate transportation method and apparatus
The substrate transportation apparatus 10 comprises a plurality of transportation rollers 22A-22D disposed at a predetermined spacing for transporting the...
Communication relay exchange control machine
Semiconductor storage device and pseudo SRAM
To provide a semiconductor storage device capable of reducing the number of ECC bits. A semiconductor storage device according to an embodiment of the invention...
Duplicate synchronization system and method of operating duplicate
The duplicate synchronization system has: a first system; and a second system operating in synchronization with the first system. The first and the second...
Bottleneck detection system, measurement object server, bottleneck
detection method and program
A bottleneck detection system, a measurement object server, a bottleneck detection method and a program capable of specifying a factor that causes a bottleneck...