baber/WOPTO huggingface dataset:
Patent KR-20140048650-A (KR)
Title: Method of fabricating three dimensional semiconductor device and three dimensional semiconductor device fabricated using the same
Inventor: OH JUNG IK
IPC: H01L21/8247
Filed: 2012-10-16
Abstract: Provided are a 3D semiconductor device and a method for manufacturing the 3D semiconductor device. The method for manufacturing the 3D semiconductor device comprises forming a laminated structure by successively laminating a plurality of horizontal films on a substrate having a cell array area and a contact area; forming a first mask pattern which covers the cell array area and comprises openings extended to one direction on the contact area; performing a first etching process of first etching depth for the laminated structure by using the first mask pattern as an etching mask; forming a second mask pattern which covers the cell array area and exposes a part of the contact area; and a step for performing a second etching process of second etching depth, greater than the first etching depth, for the laminated structure by using the second mask pattern as the etching mask. [Reference numerals] (AA) Repeat N-1 times; (S1) Successively laminate horizontal layers of a 2n layer; (S2) Form a line type mask pattern; (S3) Etching process of first etching depth; (S4) Form a flat mask pattern; (S5) Etching process of second etching depth; (S6) Reduce the flat mask pattern; (S7) Form step structure wiring
Patent KR-20140048751-A (KR)
Title: Method for producing dandelion flower sikhae
Inventor: CHON SANG UK
IPC: A23L2/52
Filed: 2012-10-16
Abstract: The present invention relates to a method for a common sikhye production and, more specifically, to a production method for dandelion flower sikhye which uses a dandelion flower extract and the dandelion flower sikhye using the same. The dandelion flower sikhye, which tastes and smells good, contains a large amount of functional components of dandelion, thereby being helpful for health improvement. [Reference numerals] (AA) Production process for dandelion flower sikhye; (BB) Step of selecting dandelion flower raw materials; (CC) Washing step; (DD) Hot air drying step; (EE) Step of extracting and stirring dandelion flower; (FF,KK) Clear water; (GG) Concentration step; (HH) Dandelion flower extract; (II) Preparing malt; (JJ) First saccharification step; (LL) Second saccharification step; (MM) Rice; (NN) Sikhye fermentation step; (OO) Step of fermenting the dandelion flower and sikhye; (PP) Dandelion flower sikhye
Patent KR-20140052122-A (KR)
Title: Pharmaceutical composition for topical administration comprising piperacillin or its salt, tazobactam or its salt and dexamethasone phosphate or its salt
Inventor: KIM JOO EUN
IPC: A61K31/431
Filed: 2012-10-19
Abstract: The present invention provides a pharmaceutical composition for topical administration comprising: piperacillin or its pharmaceutically acceptable salt; tazobactam or its pharmaceutically acceptable salt; dexamethasone phosphate or its pharmaceutically acceptable salt; acetate or acetic acid and its salt as a stabilizing agent. According to the present invention, the pharmaceutical composition can be formulated in a type of reconstitutable formulation. Generation of impurities is minimized even when the pharmaceutical composition is stored for a long period of time (for example, two weeks) in a refrigerated condition. Therefore, the pharmaceutical composition has an excellent stability and can be advantageously used in multiple times.
Patent KR-20140051659-A (KR)
Title: Sludge dryer interworked incinerator
Inventor: SEO HAN CHEOL
IPC: F26B17/34
Filed: 2012-10-23
Abstract: The present invention relates to a sludge dryer interworked with an incinerator. A sludge dryer interworked with an incinerator according to an embodiment of the present invention includes: a plurality of dispersion intake lines which is arranged between an intake line which receives mixed gas in which the exhaust gas of the incinerator and external air are mixed and a discharge line which re-circulates the waste gas generated after drying sludge to the incinerator, and which connects the intake line and the dryer; a plurality of dispersion discharge lines which connects the discharge line and the dryer; a drying chamber where the sludge is inputted via the top and discharged via the bottom; a plurality of disks which is separately arranged in the vertical direction inside the internal space of the drying chamber; and a disk rotating device which is formed on the lower part of the drying chamber to rotates the disks.
Patent KR-20140054943-A (KR)
Title: Method of installing floating off shore wind power generation plant
Inventor: JUNG JONG JIN
IPC: B63B35/00
Filed: 2012-10-30
Abstract: The present invention relates to a method for installing a floating type offshore wind power generation apparatus, which installs an upper tower, a connection structure, and a lower structure in an integrated type. The installation method comprises as follows: a step of transporting an integrated structure, where an upper tower, a connection structure, and a lower structure are integrated, to an installation position; a step of installing the integrated structure so that even the upper tower can be submerged through ballasting of the integrated structure; a step of installing a nacelle on the top of the upper tower using a small crane, and installing a blade on a rotary shaft of the nacelle; and a step of floating the upper tower on the water through deballasting of the integrated structure. Therefore, the installation method can save transportation costs, reduce installation hours, and save installation costs.
Patent KR-20140056817-A (KR)
Inventor: CHOI MOON HO
IPC: B04C5/185
Filed: 2012-10-31
Abstract: The present invention relates to a cyclone separator and a cyclone separator which separates solid and gas particles of dirty gas. The cyclone separator includes: a scroll part which is rotates and descends the solid and gas particles of the dirty gas at a constant radius; an inlet which is formed on a side of a scroll part which flows the dirty gas in; a separating unit which is formed on the bottom of the scroll part and separates the solid and gas particles of the dirty gas flown in through the inlet; and an eccentricity discharging unit which is formed eccentrically on a side of the scroll part which discharges the gas separated within the separating unit. The cyclone separator lets the gas particles separated in the cyclone separator naturally be discharged through the eccentric outlet so that pressure loss which may occur within the cyclone separator can be reduced which reduces the consumption of electrical power used in the process where the cyclone separator is applied. Also, the volume consumed within the pump supplying the dirty gas into the inlet of the cyclone separator can be reduced.
Patent KR-20140058000-A (KR)
Title: Multi gas tight test apparatus of metal seperator for fuel cell and multi gas tight test method using the same
Inventor: KIM KUN HO
IPC: G01M3/26
Filed: 2012-11-05
Abstract: Disclosed are a device and method for a multi-sealing test of a fuel cell metal separation plate, thereby realizing an automated system that can perform a sealing test simultaneously on a plurality of metal separation plates, so that the time taken for the test is reduced and work efficiency is improved. The device for a multi-sealing test of a fuel cell metal separation plate according to the present invention comprises: a top sealing evaluation settling plate that includes a plurality of sealing measuring gas inlet holes; a bottom sealing evaluation settling plate that is disposed to be separated from and face the top sealing evaluation settling plate and is equipped with a plurality of separation plate settling portions; a transferring rail that is mounted on and fixed to the bottom of the top sealing evaluation settling plate; a separation plate transferring unit that sequentially transfers each of a plurality of metal separation plate modules to the separation plate settling portions; and a plurality of sealing measuring connection plates that moves along the transferring rail in order to be connected with the sealing measuring gas inlet holes, respectively, so that a sealing measuring gas is supplied to the metal separation plate modules.
Patent KR-20140065728-A (KR)
Title: Front suspention structure of rice transplanter
Inventor: KIM SANG OK
IPC: F16F15/067
Filed: 2012-11-20
Abstract: A front-wheel suspension of a rice transplanter is disclosed. A front-wheel suspension of a rice transplanter comprises: an intermediate case; and a sleeve which one end portion is flexibly connected in an axis direction of the intermediate case at the opening of the lower part of the intermediate case. A suspension spring is equipped at the intermediate case and the sleeve to be respectively supported by one end and the other end, a lower arm rotatably connected in a circumferential direction of a transmission shaft in the intermediate case is provided in a connection unit of a front axle case where the other end of the sleeve and the front axle are equipped, an upper arm is rotatably provided in a circumferential direction of the transmission shaft in the upper part of the intermediate case on the opposite side of the lower arm, and a damper being stretched along an axis parallel to the axis of the intermediate case is provided between the upper and the lower arm.
Patent KR-20140066027-A (KR)
Title: Protect guard for matial arts
Inventor: LEE YONG WOON
IPC: A63B71/12
Filed: 2012-11-22
Abstract: The present invention relates to a protective guard for martial arts, and more specifically, to a protective guard for martial arts which is used for martial arts like Taekwondo, improves ventilation, reduces weight, improves elasticity, and maximizes shock absorbing effects by being formed in a dual structure comprising a base made of a mesh with improved ventilation and a shock absorbing unit which is formed on the base and comprises air cells.
Patent KR-20140070950-A (KR)
Title: tie
Inventor: JEON EUN IL
IPC: A41D25/14
Filed: 2012-12-02
Abstract: The present invention relates to a tie to attach a button to the body of the tie having a knot and bound to the button. The present invention relates to the tie capable of attaching and detaching with one button except a part of a neck in order to reduce the discomfort from external environment by wrapping the neck of the tie normally.
Patent KR-20140073749-A (KR)
Title: Fermented rice noodle manufacturing method and product
Inventor: KIM SOO MIN
IPC: A23L7/104
Filed: 2012-12-07
Abstract: The present invention relates to a method for manufacturing fermented rice noodles and a product manufactured thereby, wherein the method comprises: a rice noodle raw material preparation step of preparing a fermented rice flour obtained by pulverizing and fermenting white rice, lactic acid rice bran fermentation powder, refined salt, starch of Helianthus tuberosus, and purified water; rice noodle raw material mix step of weighing required quantities of the rice noodle raw materials in the preparation step, and then uniformly mixing the rice noodle raw materials using a stirrer without addition of water; a paste making step of adding the purified water to the completely mixed rice noodle raw materials, followed by making a paste using a stirrer; a steaming step of putting the paste in a low-pressure steamer, followed by aging at room temperature for 1 hour; an extrusion-molding step of introducing the aged paste into an extrusion-molding machine rice noodle raw materials, followed by extrusion-molding at room temperature; a cooling step of cooling the extrusion-molded rice noodles at a low temperature; a drying step of performing drying so as to remove the moisture on surfaces of the rice noodles transferred in a cooled state; a cutting step of cutting the dried rice noodles into a predetermined length; a packaging step of packaging the cut rice noodles; and a check step of passing the packaged rice noodles through an automatic machine to check the presence or absence of defects of the packaged rice noodles. The fermented rice noodles are circulated by passing through the above steps.
Patent KR-20140076311-A (KR)
Inventor: LEE SEUNG CHUL
IPC: H01F1/16
Filed: 2012-12-12
Abstract: The present invention relates to a ferrite sheet with a concavo-convex surface, a manufacturing method of the ferrite sheet, and a surface treatment apparatus for the ferrite sheet. The ferrite sheet is provided to have a concavo-convex side, whose average surface roughness is in the range of 0.8-4.0 μm, formed on one surface thereof and to evenly transfer heat to the entire surface of each ferrite sheet molded body when the ferrite sheet molded bodies are placed on top of each other and sintered, thereby improving quality of sintered ferrite sheets, lowering a defect rate, and preventing damage to the ferrite sheets when the ferrite sheets are separated.
Patent KR-20140077367-A (KR)
Title: Goggle solution infusion device
Inventor: KIM JOONG IL
IPC: B65B3/04
Filed: 2012-12-14
Abstract: The present invention relates to a gargle solution injection device capable of allowing a user to inject a gargle solution in a disposable gargle container and sealing the gargle container in which the gargle solution is injected. The gargle solution providing device according to the present invention comprises a base part having a chain for horizontally transferring the gargle container received in a jig and installed on the ground to be supported or movable; a supply part installed above the base part and capable of mounting the gargle container on the jig; a cleaning part installed above the base part and vacuum-sucking the internal foreign materials of the gargle container transferred by the supply part to clean the gargle container; a charging part installed above the base part and charging the gargle solution into the gargle container transferred via the cleaning part; a roller part installed above the base part and providing a sealing paper for sealing the gargle container in which the gargle solution is injected by the charging part; a finishing part installed above the base part and cutting the sealing paper after adhering the sealing paper supplied by the roller part to the top surface of the gargle container; and a control part for electrically controlling the base part, the supply part, the cleaning part, the charging part, the roller part, and the finishing part.
Patent KR-20130079188-A (KR)
Title: Photosensitive resin composition, color filter, and liquid crystal display device
Inventor: SHIOTA DAI
IPC: G02B5/20
Filed: 2012-12-20
Abstract: PURPOSE: A photosensitive resin composition is provided to form an excellent adhesive pattern with low exposure amount without having residue of phenomenon. CONSTITUTION: A photosensitive resin composition comprises a chemical expressed with a chemical formula (1) and an organic binder. The organic binder contains the alkali soluble unsaturated resin and the alkali soluble unsaturated resin is obtained by reacting the epoxy chemical (a) having at least two epoxy group within a molecule and unsaturated group containing carboxylic acid (b) and chemical (c) having iocyanate group. The chemical (c) having the isocyanate group is a chemical having any two or more of isocyanate group within the molecule.
Patent KR-20140080929-A (KR)
Inventor: YOO HYE JIN
IPC: C09D5/00
Filed: 2012-12-21
Abstract: Provided are a graphene coating composition containing a graphene oxide modified with acrylate, an oligomer, a monomer, and a photoinitiator, a method for manufacturing the same, and a steel sheet coated by the same. According to the present invention, provided is a coated steel sheet not only having a high gloss and a scratch resistance, but also having processability, lubricity, conductivity, and transparency, and the curing efficiency of the coating composition can be increased.
Patent KR-20140086227-A (KR)
Title: Method and apparatus for providing cloud service, and system having the same
Inventor: KIM TAE GAP
IPC: H04L12/28
Filed: 2012-12-28
Abstract: Provided are an apparatus and a method for providing a cloud service and a system having the same. The system for providing the cloud service comprises an integrated cloud providing unit which integrates contents information transmitted from at least one digital media server (DMS) which is connected to a first network, and provides contents to a terminal connected through a second network based on the integrated contents information; and a connection management unit which manages connection of the terminal to the first network using identification information of at least one DMS.
Patent KR-20140087921-A (KR)
Inventor: KIM CHAE SOO
IPC: B60W30/06
Filed: 2012-12-31
Abstract: The present invention relates to space recognizing apparatus and method to assist steering for parking of a vehicle, which can easily recognize a space available for parking by sensing whether an object exists in a parking lot and sensing the width of the object. The space recognizing apparatus of the present invention comprises a photographing unit which takes pictures of an object in the rear of the vehicle, a warning unit which gives a warning if a collision between the object taken by the photographing unit and the vehicle is expected, a switch unit which switches a driving mode of the vehicle to a parking mode, a parking steering assisting electronic control unit which automatically park the vehicle by controlling the vehicle if the parking mode is chosen by a user, and an ultrasonic sensor which senses whether the object exists around the vehicle and the width of the object.
Patent KR-20120089427-A (KR)
Inventor: KETOLA BARRY
IPC: H01L31/18
Filed: 2010-06-03
Abstract: 광전지 모듈을 제조하는 방법 및 그 제조된 광전지 모듈에 관한 것으로, 상기 제조 방법은 광자를 전자로 전환시키도록 작동 가능한 광전지를 선택하는 단계; 슈퍼스트레이트 흡수계수 및 슈퍼스트레이트 굴절률을 가지는 광 투과성 슈퍼스트레이트를 선택하는 단계; 봉지재 흡수계수 및 봉지재 굴절률을 가지는 봉지재를 선택하는 단계; 및 상기 선택된 재료를 이용하여 광전지 모듈을 조립하는 단계를 포함하고, 상기 슈퍼스트레이트 흡수계수 및 봉지재 흡수계수 간의 흡수계수 관계 및 슈퍼스트레이트 굴절률 및 봉지재 굴절률 간의 굴절률 관계는 효율에서의 이득이 있도록 선택된다.
Patent KR-20120036342-A (KR)
Inventor: MAKIKAWA SHINJI
IPC: G02B27/28
Filed: 2010-06-04
Abstract: 파장 1.06 ㎛ 역 (0.9 ? 1.1 ㎛ ) 에서의 베르데 상수가 크고 또한 높은 투명성을 갖는, 산화테르븀을 함유하는 산화물을 제공하는 것을 목적으로 한다.     또한, 가공기용 화이버 레이저에 바람직하게 사용되는 소형화된 자기 광학 디바이스를 제공하는 것을 목적으로 한다.     본 발명의 산화물은, 하기 식 (Ⅰ) 로 나타내는 산화물을 주성분으로서 함유하고, 파장 1.06 ㎛ 에서의 베르데 상수가 0.18 min/(Oe?㎝) 이상이고 또한 파장 1.06 ㎛, 광로 길이 3 ㎜ 에서의 투과율이 70 ％ 이상인 것을 특징으로 한다. 
(Tb x R 1   -x ) 2 O 3 	(Ⅰ) 
(식 (Ⅰ) 중, x 는 0.4 ≤ x ≤ 1.0 이고, R 은 스칸듐, 이트륨, 란탄, 유로퓸, 가돌리늄, 이테르븀, 홀뮴 및 루테튬으로 이루어지는 군에서 선택된 적어도 1 개의 원소를 함유한다)
Patent KR-20130050906-A (KR)
Inventor: JABLONSKI GREGORY A
IPC: B22F9/00
Filed: 2010-08-27
Abstract: 저온 단시간 소결로 소결하여, 기판과의 밀착성이 양호하며, 또한 저저항인 은 도전성막·배선의 작성이 가능한 은나노 입자 조성물 및 그것을 이용한 물품을 제공한다.  용매의 주성분이 물이며, 조성물의 pH가 5.3 내지 8.0의 범위에 있고, 그 조성물에 포함되는 은나노 입자는 유기산 혹은 그 유도체에 의해 보호되며, 이들 유기산 혹은 그 유도체의 함유량이 은에 대해 2 내지 20질량%의 범위에 있는 것을 특징으로 하는 은나노 입자 조성물을 제공한다.
Patent KR-20120052973-A (KR)
Inventor: RIBER DITTE
IPC: A61K38/26
Filed: 2010-06-24
Abstract: 본 발명은 체중 감량을 촉진하거나 또는 체중증가를 방지하며 또한 당뇨병 및 관련 대사성 질환의 치료에서의 물질 및 방법을 제공한다. 특히 본 발명은 이러한 방법에서 유효한 신규의 아실화 글루카곤 유사체 펩타이드를 제공한다. 상기 펩타이드는 인간 글루카곤에 비하여 GLP-1 수용체에 대해 증가된 선택성을 가짐으로써 이들의 효과를 간섭할 수 있다.
Patent KR-20120085238-A (KR)
Inventor: MILIJASEVIC ZORAN
IPC: A61F2/88
Filed: 2010-07-08
Abstract: 혈관 지지 장치(10)는 몸체 부재(12)를 포함하며, 몸체 부재(12)는 세팅 가능한 재료로 제조된 적어도 하나의 세장형 요소(14)를 포함하며, 적어도 하나의 세장형 요소(14)는 혈관 내의 위치로 전달하기 위해 삽입기에 수용되는 전개되지 않은 형태로부터 혈관 내의 위치에 전개되어 권취된 관형상의 형태로 변화하도록 구성된다.
Patent KR-20120052301-A (KR)
Inventor: SJOGREN BJORN HARALD
IPC: G06F17/40
Filed: 2010-07-02
Abstract: 부분 데이터베이스가 서브셋인 데이터베이스를 포함하는 컴퓨터 시스템으로부터 클라이언트 장치에 저장된 부분 데이터베이스의 증분 업데이트를 수행하기 위한 방법, 시스템 및 장치에 관한 것이다. 데이터베이스의 동작의 결과로서 서버 데이터베이스에 삽입되거나, 삭제되거나 또는 변경되는 제 1 데이터베이스 레코드가 클라이언트 장치에서 대응하는 동작을 수행하기 위해 식별된다. 또한, 삽입되지 않거나, 삭제되지 않고, 또는 변경되지 않았으나 제약을 통해 제 1 레코드에 관련된 제 2 레코드가 식별된다. 제 2 레코드는 클라이언트 장치에서 수행되는 데이터베이스 동작을 통해 부분 데이터베이스에 삽입되거나 삭제되어 해당 제약이 부분 데이터베이스에서 준수된다. 레코드의 식별은 데이터베이스 로그 및 레코드 타입 간의 구조화된 관계에 기초한다.
Patent KR-20120083317-A (KR)
Inventor: YOSHIKAWA YOSHISHIGE
IPC: H04W88/02
Filed: 2010-08-26
Abstract: 전력 복사 검출부에 의해 전력 복사를 검출한 경우, 회피 통신 모드로 전환하여, 상용 교류 전원의 주기 T 0 에 대해, 송신 시간 T 1 =T 0 /2/M 또한 송신 주기 T 2 =T 0 /2의 관계로 한 송신 패킷을 작성하고, 송신 출력 가변부 및 송신 전송 레이트 가변부가 송신 출력 및 송신 전송 레이트를 각각 통상 통신 모드의 T 2 /T 1 배로 설정하며, 타이밍 검출부에서 검출한 전력 복사가 정지되는 타이밍에 동기하여 송신 패킷을 송신하는 무선 통신 장치이다.
Patent KR-20120095849-A (KR)
Inventor: MARTIN DAVID WILLIAM
IPC: C09K23/38
Filed: 2010-10-13
Abstract: 액체 탄화수소 연료가 0 내지 -50℃ 범위의 온도로 냉각될 때, 액체 탄화수소 연료에서 1 ㎛ 초과의 중량 평균 입자 크기를 갖는 얼음 입자의 형성은 액체 탄화수소 연료에 물을 분산시킬 수 있는 적어도 하나의 계면활성제의 사용에 의해 감소되거나 또는 제거되어, 분산된 물의 액적 크기가 0.25 ㎛ 이하인 안정한 투명한 유중수 마이크로에멀젼을 제공할 수 있다.
Patent KR-20120063493-A (KR)
Inventor: FISCHER MATTHEW S
IPC: H04W84/12
Filed: 2010-09-23
Abstract: 무선 근거리 통신망(WLAN) 전력 절감을 위한 버퍼링 없는 트래픽 지시를 위한 방법 및 시스템에서의 양태들은 하나의 피어 통신 디바이스로 하여금 다른 피어 통신 디바이스들과의 통신에 기반하여 액티브 동작 상태로 유지하기 위한 시간 구간을 판단하도록 할 수 있다. 일 양태에서, 특정한 피어 통신 디바이스는 나머지 피어 통신 디바이스들 중 어느 것과도 통신할 데이터가 없음을 판단할 수 있다. 상기 특정한 통신 디바이스는 상기 피어 통신 디바이스로 전송할 데이터가 없는 상기 피어 통신 디바이스들의 각각과 통신할 수 있다. 상기 피어 통신 디바이스들 각각은 상기 특정한 피어 통신 디바이스로 전송할 데이터가 없음을 통신할 수 있다. 상기 통신들에 기반하여, 상기 특정한 피어 통신 디바이스는 액티브 동작 상태를 벗어나서, 저 전력 동작 상태로 진입할 수 있다.
Patent KR-20120048036-A (KR)
Inventor: STEPP MICHAEL
IPC: B01J19/24
Filed: 2010-10-19
Abstract: 본 발명은, 알칸, 디아젠 및 오르가노디실란으로부터 선택되는 자유 라디칼 개시제의 존재 하에서, 일반식(1)의 디오르가닐디할로실란: R 2 SiX 2  (1)의 제조 방법으로서, 일반식(2)의 디할로디하이드로실란: X 2 SiH 2  (2)을 일반식(3)의 실란: R' 3 SiH (3)과의 혼합물 중에서 일반식(4)의 할로하이드로카본: R-X (4)과 반응시키는, 디오르가닐디할로실란의 제조 방법에 관한 것이며, 식에서, R은 1가의 C 1 -C 18  탄화수소 라디칼이고, R'은 1가의 C 1 -C 18  탄화수소 라디칼, 수소, 또는 할로겐이고, X는 할로겐이다.
Patent KR-20120056296-A (KR)
Inventor: CAPDEVIELLE VERONIQUE
IPC: H04W16/04
Filed: 2010-09-20
Abstract: 기지국들(BS 1 ,...,BS N )에 의해 커버되는 셀들(C 1 ,...,C N )의 세트 내에서 무선 리소스 관리를 위한 방법은, - 대응하는 기지국(BS i )으로부터 각각의 셀(C i ) 상에서의 상대적인 서비스 품질(QoS) 및 무선 성능 지수들을 포함한 트래픽 요구 정보를 검색하는 단계; - 적어도 하나의 주기적인 트래픽 패턴을 검출하도록 상기 트래픽 요구 정보를 처리하는 단계; - 상기 검출된 적어도 하나의 주기적인 트래픽 패턴에 따라 각각의 셀(C i )에 대한 할당된 무선 리소스들을 조정하는 단계; 및 - 기지국들(BS 1 ,...,BS N ) 피드백들에 따라 상기 조정된 할당된 무선 리소스들을 검토하는 단계를 포함한다.
Patent KR-20120127391-A (KR)
Title: A method and an apparatus for providing channel quality information in a wireless communication system
IPC: H04B7/04
Filed: 2011-01-12
Abstract: PURPOSE: A method for providing channel quality information in a wireless communication system and an apparatus thereof are provided to prevent waste of resources by changing the number of RE used in a PDSCH(physical downlink shared channel) depending on a rank. CONSTITUTION: A terminal especially determines an optimal PMI(precoding matrix indicator) for each rank(S1710). The terminal determines an SINR(signal-to-interference plus noise ratio) for each layer through the determined PMI(S1720). The terminal determines the SINR(signal to interference plus noise ratio) for a code word based on the SINR(S1730). The terminal calculates spectrum efficiency which is suitable for each SINR according to the code word of each rank(S1740). The terminal calculates the number of RE allocated for data transmission in consideration of a DMRS(demodulation reference signal)(S1750). The terminal calculates a throughput for each code word(S1760). The terminal calculates each rank throughput(S1770). The terminal determines a rank value corresponding to the largest throughput(S1780). The terminal feeds back a CQI(channel quality indication), index corresponding to the largest throughput and the corresponding rank to a base station(S1790). [Reference numerals] (AA) Start; (BB) Finish; (S1710) Receiving a signal from a base station and determining optimal PMI(precoding matrix indicator) for each rank; (S1720) Determining SINR for each layer; (S1730) Determining SINR for each code word; (S1740) Calculating SE which is suitable for each SINR; (S1750) Calculating N_RE in consideration of a DMRS overhead which is changed according to the rank; (S1760) Calculating throughput(SE^*N_RE) for each code word; (S1770) Calculating throughput for each rank; (S1780) Determining a rank corresponding to maximum throughput; (S1790) Transferring CQI index corresponding to maximum throughput and the determined rank