Abstract:
본 발명은 광대역 무선 접속 시스템에서 단말의 멀티캐스트 및 브로드캐스트 서비스(MultiCast and BroadCast Service : 이하 'MCBCS'라 칭함) 채널 신청과 삭제 및 변경을 위한 장치 및 방법에 관한 것으로서, 특정 채널에 대한 신청이 요청될 시, 상기 채널의 신청을 위한 채널 선택 요청 메시지를 MCBCS 서버로 전송하는 과정과, 기지국 제어기로부터 상기 채널에 대한 MAC(Media Access Control) 계층 네임 태그(MAC layer name tag)를 포함하는 동적 서비스 추가(Dynamic Service Addition : DSA) 요청 메시지가 수신되는지 여부를 검사하고, 상기 DSA 요청 메시지가 수신될 시, 상기 기지국 제어기로 DSA 응답 메시지를 전송하는 과정과, 상기 MCBCS 서버로부터 상기 채널 신청의 성공 여부에 대한 정보를 포함하는 채널 선택 응답 메시지를 수신하는 과정을 포함하여, 전체 전송 지연을 줄이고 프로세싱 처리용량을 효율적으로 활용할 수 있는 이점이 있다. MCBCS, MBS, 채널 신청, 채널 삭제, 채널 변경
Abstract:
A method for manufacturing a semiconductor device is provided to improve uniformity of electrical characteristics by improving a short channel effect. A gate(105b) is formed on a substrate(101). A plurality of spacers(111,121) are formed. A plurality of junction regions(109,119) are formed on the substrate under both sidewalls of the gate. The junctions regions are symmetrically formed in left and right directions of the gate. The spacers are formed to surround the gate. The spacers are asymmetrically formed in the left and right directions of the gate. The spacers include a first and second spacers. The first spacer is formed to cover an upper surface and one sidewall of the gate. The second spacer is formed to cover the other sidewall of the gate. The thickness of the second spacer is different from the thickness of the first spacer.
Abstract:
A signal transmitting/receiving device and a control method thereof are provided to efficiently improve signal to noise ratio by performing a DC offset detection/correction and a carrier wave leakage in applying a power source. A transmitting part(200) corrects a receiving signal about a carrier wave leakage, and modulates the corrected signal. A receiving part(400) demodulates a signal received from the transmitting part, and performs a DC offset correction about the demodulated signal. A base-band processing part(100) controls a connection setting between the transmitting part and the receiving part. The base-band processing part detects a DC offset about the signal received from the receiving part. The base-band processing part controls a DC offset correction of the receiving part and a carrier wave leakage correction of the transmitting part based on information about the detected DC offset.
Abstract:
An apparatus and a method for controlling power in a mobile communication system are provided to determine an optimum CQI report frequency based on downlink and uplink data transfer rates of the mobile communication system moving fast, thereby efficiently performing power control even in a rapid wireless channel environment change occurring during fast movement. A movement speed measurement unit(11) measures movement speed. A CQI(Channel Quality Indicator) processing unit requests CQI report frequency adjustment to a base station(20) according as the movement speed is faster than a threshold value. The CQI processing unit determines a CQI report frequency according to CQI report frequency information of the base station to report CQI. A power control unit(14) performs power control by using a power control signal from the base station according to the CQI report.
Abstract:
A fin field effect transistor and a method of manufacturing the same are provided to improve the property of the semiconductor device by reducing the GIDL(Gate Induced Drain Leakage) current. A fin field effect transistor comprises an active pin, a gate oxidation film(104), the first electrode(106b), the second electrode(108a), a source and drain extension region(110). The active pin is protruded from a substrate(100). The gate oxidation film is arranged on the active fin. The first and second electrodes are laminated on the active fin. The width of the first electrode is smaller than the width of the second electrode. The first electrode is arranged on the gate oxidation film. The second electrode is arranged on the first electrode. The source and drain diffusion regions are positioned on the active pin.
Abstract:
An organic light emitting element and an organic light emitting display device including the same are provided to simplify a structure without a hole transport layer and an electron transport layer. A first conductive first impurity layer(381) is in contact with a first electrode(191). A first light emitting layer(383) includes two or more sub-light emitting layers(383R,383B,383G) to emit light with different colors and is in contact with the first impurity layer. A second conductive second impurity layer(382) is in contact with the first light emitting layer. A first conductive third impurity layer(392) is in contact with the second impurity layer. A second light emitting layer(393) includes two or more sub-light emitting layers(393R,393B,393G) to emit light with different colors and is in contact with the third impurity layer. A second conductive fourth impurity layer(391) is in contact with the second light emitting layer. A second electrode(270) is in contact with the fourth impurity layer.
Abstract:
A display device is provided to improve the luminance of displayed images by arranging a plurality of point light sources between the sidewall of a receiving container and a light guide plate. A display device includes a receiving container, a light guide plate(30), a light source, and a display panel(70). The receiving container includes a bottom plate(5) and a sidewall(11). The light guide plate includes a bottom face(31) opposite to the bottom plate, a light-projecting face(32) opposite to the bottom face, and a light-receiving face(33) opposite to the sidewall. The light source includes first point light sources(51), second point light sources(55), and a flexible printed circuit board. The first point light sources are arranged between the light-receiving face and the sidewall in the length direction of the light-receiving face. The second light sources are arranged in the length direction under the first point light sources. The first point light sources and the second point light sources are mounted on the flexible printed circuit board. The display panel includes a lower substrate(71), a driving chip(73), an upper substrate(75), and a liquid crystal layer. The lower substrate is located on the light source plate and the first point light sources. The driving chip is arranged corresponding to the first point light sources on the top face of the lower substrate.
Abstract:
A sample mounting apparatus for testing an organic light emitting device is provided to reduce a time for measuring brightness and lifetime of the organic light emitting device. A sample mounting apparatus(1) for testing an organic light emitting device includes a lower plate(25a) and an upper plate(15a). The lower plate includes a light emitting device arranging unit(20). The upper plate includes a photodiode(10) and a light emitting device cover unit corresponding to the light emitting device arranging unit. At least one of outer surfaces of the upper plate and the lower plate has unevenness with a type in which square columns are repeatedly arranged to be spaced apart from each other at predetermined intervals.
Abstract:
An electro-mechanical nonvolatile memory device and a method for manufacturing the same are provided to improve data retention performance by forming a charge trap structure on a sidewall of an electrode pattern. An upper surface of a support substrate(100) has insulation property. A first electrode pattern(102) is formed on the support substrate. A bit line(108) is separated from a surface of a sidewall of the first electrode pattern. The bit line is formed along an exposed surface profile of the first electrode pattern and the support substrate. The bit line is made of a conductive material having elasticity according to a potential difference. A dielectric pattern(110a) is formed on an upper surface of the bit line located on the surface of the substrate. A second electrode pattern is separated from the bit line and is opposite to the first electrode pattern on the dielectric pattern. A charge trap structure is formed on the sidewall and an upper portion of the first electrode pattern.
Abstract:
A scheduling method in a cellular system utilizing a wired RS(Relay Station) is provided to divide a frame transmitted from each RS according to time or frequency bands and variably control a division boundary during usage, thereby increasing system throughput. A scheduling method in a cellular system utilizing a wired relay station comprises the following steps of: enabling a base station to collect CQI(Channel Quality Information) of all MSs(Mobile Stations) within a corresponding cell(411); calculating the amount of all transmittable data of the MSs in consideration of the CQI(415); and allocating resources by confirming an MS having the maximum value among PF(Proportional Fairness) matrix values(419,421).