摘要:
Provided are a system and method for human body communication using a limited passband. The system includes a transmission frame generating unit for human body communication which generates a transmission frame for human body communication based on data information including user identification (ID) and data scrambled into an orthogonal code generated by the user ID; a symbol mapping unit for symbolizing the generated transmission frame for human body communication according to a predetermined modulating method; a spreading unit for spreading the symbol outputted in the symbol mapping unit; a waveform generating unit for generating a baseband signal whose band is limited to a predetermined range with respect to the data spread in the spreading unit; and a middle band transmitting unit for modulating the baseband signal into a predetermined limited passband signal.
摘要:
A belt with a health management function includes a health information extraction module extracting health related information from various biomedical signals, a buckle housing the health information extraction module, and a strap connected to an end of the buckle. The health information extraction module includes a sensor module detecting various biomedical signals, and a process/extraction unit digitally processing the detected biomedical signals and extracting the health related information from the processed digital signals.
摘要:
A handover method according to an embodiment of the present invention includes: receiving neighboring base station information at a wireless relay station providing a wireless communication service moving together with a plurality of subscriber stations that move along the same moving path; performing scanning to check a wireless environment state of a neighboring base station using the received neighboring base station information; performing handover of the plurality of subscriber stations to a target base station as a single handover unit, when a handover condition is met during the scanning; and notifying the subscriber station of completion of handover preparation with the target base station.
摘要:
Disclosed is an electronic component bonding method which interposes a bonding resin between first and second electronic components to bond the first and second electronic components to each other. The electronic component bonding method includes providing the bonding resin between the first and second electronic components, aligning the first and second electronic components with each other, pre-curing the bonding resin to generate elasticity in the bonding resin, performing a main curing operation to apply vibration energy to the bonding resin, which has elasticity according to pre-curing, to securely fix the first and second electronic component to each other, and control the amplitude of the vibration energy applied during the main curing operation to be restricted within an elastic region of the bonding resin.
摘要:
Disclosed are an apparatus and a method for fairly allocating resources in a band adaptive modulation and coding (band AMC) mode of a wideband wireless access system. There is provided a method of fairly allocating resources in a band AMC mode of a wideband wireless access system when two or more mobile stations simultaneously transmit channel quality information (CQI) through an overlapping band. The method includes: when two or more mobile stations transmit the channel quality information (CQI) through an overlapping band, examining whether the mobile stations transmit information indicating that the overlapping band is the highest bands thereof; comparing tag values of the mobile stations transmitting the information indicating that the overlapping band is the highest band thereof and selecting one of the tag values having the highest priority, the tag values being given when the mobile stations transmit the information on the band at the beginning and the tag values stored for every frame being reset; allocating a sub channel corresponding to the highest band to the mobile station having the selected tag value; and changing the tag values of the mobile stations transmitting the information indicating that the overlapping band is the highest band thereof on the basis of the result of the comparison to reset the tag values.
摘要:
There is provided a low-power relaxation oscillator. The low-power relaxation oscillator may include: a constant current generation unit generating a current having a predetermined magnitude; a current varying unit controlling the current generated from the constant current generation unit according to a clock control signal to output the controlled current; a first controller and a second controller connected in parallel with output terminals of the current varying unit and passing or interrupting the current supplied from the current varying unit; a PMOS charging/discharging unit arranged between an output terminal of the first controller and an output terminal of the second controller; a first comparator and a second comparator connected to both ends of the PMOS charging/discharging unit, respectively, and each outputting a high or low level voltage upon receiving voltage charged in the PMOS charging/discharging unit; and a latch circuit delaying the voltages output from the first and second comparators to output oscillation signals.
摘要:
Provided are an apparatus for transmitting reference signals for measuring the phase response characteristic of a human body in human body communication, and a system and method for measuring the phase response characteristic of a human body using the same. The apparatus including: a signal generator for generating reference signals for measuring the phase response characteristic of a human body; a signal distributor for distributing the generated reference signals to a transmitting electrode and a frequency converter; the transmitting electrode for applying the reference signals distributed by the signal distributor to a human body; the frequency converter for converting the frequency of the reference signals distributed by the signal distributor into a frequency different from a frequency of a reference signal applied to the human body via the transmitting electrode; and a radio antenna for wirelessly transmitting the frequency-converted reference signal to a free space.
摘要:
Disclosed is an agent for preventing and treating diabetic peripheral neuropathy including a granulocyte colony stimulating factor (G-CSF) as an active ingredient, which is able to improve nerve conduction velocity and pain sensitivity by regenerating blood vessels in peripheral tissues and rehabilitating damaged nerve tissues.
摘要:
An a Radio Frequency Identification (RFID) system using human body communication includes a first electrode pad receiving a signal of a reader transmitted through a human body, or outputting an output signal to the human body, a rectifier rectifying the signal of the reader to generate a direct current (DC) voltage, a power manager changing the DC voltage into an operation voltage, a modulator/demodulator demodulating the signal of the reader, or modulating the output signal of the tag to transfer the modulated signal to the first electrode pad, a digital controller performing a read or write operation in response to the signal of the reader demodulated by the modulator/demodulator, and a memory storing identification information of the tag and information according to an operation result of the digital controller.
摘要:
Methods of forming a gate structure for an integrated circuit memory device include forming a first dielectric layer having a dielectric constant of under 7 on an integrated circuit substrate. Ions of a selected element from group 4 of the periodic table and having a thermal diffusivity of less than about 0.5 centimeters per second (cm2/s) are injected into the first dielectric layer to form a charge storing region in the first dielectric layer with a tunnel dielectric layer under the charge storing region. A metal oxide second dielectric layer is formed on the first dielectric layer, the second dielectric layer. The substrate including the first and second dielectric layers is thermally treated to form a plurality of discrete charge storing nano crystals in the charge storing region and a gate electrode layer is formed on the second dielectric layer. Gate structures for integrated circuit devices and memory cells are also provided.