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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 26. Отображено 26.
26-01-2012 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL PRECURSOR IN LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL PRECURSOR IN LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY, AND METHOD FOR PREPARING LITHIUM METAL COMPOSITE OXIDE USING THE ANODE ACTIVE MATERIAL PRECURSOR AND LITHIUM METAL COMPOSITE OXIDE FOR ANODE ACTIVE MATERIAL IN LITHIUM SECONDARY BATTERY PREPARED THEREBY

Номер: WO2012011760A3
Автор: KIM, Jik Soo, CHOI, Moon Ho, KO, Kwang An, SHIN, Jong Seung, CHOI, Dong Gui, YU, Jong Ryeol
Принадлежит:

The present invention provides a method for manufacturing a anode active material precursor in a lithium secondary battery, comprising the following steps: (a) preparing a nickel cobalt composite oxide by coprecipitation by mixing with a solution a mixed metal solution, which comprises compounds including nickel and compounds including cobalt, an ammonia aqueous solution as a complexing agent, and an alkaline aqueous solution which provides a hydroxyl group as a pH controlling agent; (b) introducing a metal element M to the nickel cobalt composite oxide prepared from the step (a), wherein the anode active material precursor in the lithium secondary battery is represented by Chemical Formula 1 below, and wherein the lithium metal composite oxide for the anode active material in the lithium secondary battery is represented by Chemical Formula 2 below. [Chemical Formula 1] [Ni1-y-zCoyMz](OH)2 (where in the Chemical Formula 1, M is a group 13 metal element and is one or a combination of two ...

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Номер записи: 1
21-07-2011 дата публикации

METHOD FOR PREPARING A POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY HAVING A CONCENTRATION-GRADIENT LAYER AND FOR PREPARING A POSITIVE ACTIVE MATERIAL USING A BATCH REACTOR, AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY AND POSITIVE ACTIVE MATERIAL PREPARED BY THE METHOD

Номер: WO2011087309A3
Автор: YU, Jong Ryeol, CHOI, Seung Phil, SHIN, Kyung, CHOI, Moon Ho
Принадлежит:

The present invention relates to a method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive active material using a batch reactor, and to a positive electrode active material precursor for a lithium secondary battery and positive active material prepared by the method. The method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive electrode active material using a batch reactor involves supplying a predetermined amount of chelating agent to the batch reactor, and simultaneously supplying a transition metal while continuously adjusting the concentration of the transition metal such that the concentration-gradient layer can be formed from a core to a shell of the positive electrode active material in a more economically advantageous and stable manner, and at the same time a ...

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Номер записи: 2
29-08-2019 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2019164313A1
Автор: KIM, Won Tae, YU, Jong Yeol, PARK, Hong Kyu, SHIN, Sun Sik, KANG, Seong Hoon
Принадлежит:

The present invention relates to a positive electrode active material for a secondary battery, the positive electrode active material comprising: a lithium composite transition metal oxide containing nickel (Ni), cobalt (Co), and at least one selected from the group consisting of manganese (Mn) and aluminum (Al); and a composite coating portion formed on the particle surface of the lithium composite transition metal oxide, wherein the lithium composite transition metal oxide has a nickel (Ni) content of 65 mol% or more in the total content of transition metals therein; and the composite coating portion contains cobalt (Co), boron (B), and at least one selected from the group consisting of lanthanum (La), titanium (Ti), and aluminum (Al).

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Номер записи: 3
18-04-2019 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARING METHOD THEREFOR, POSITIVE ELECTRODE, COMPRISING SAME, FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Номер: WO2019074305A2
Автор: KIM, Won Tae, SHIN, Sun Sik, YOON, Yeo June, PARK, Hong Kyu, KANG, Seong Hoon, YU, Jong Yeol
Принадлежит:

The present invention relates to a method for preparing a positive electrode active material, the method comprising the steps of: mixing a nickel-containing hydroxide precursor containing 65 mol% or more of nickel relative to the total number of moles of transition metals and a lithium raw material, followed by primary thermal treatment, to prepare a nickel-containing lithium transition metal oxide; mixing a B and C-containing raw material and a Co-containing raw material with the nickel-containing lithium transition metal oxide to form a mixture; and subjecting the mixture to secondary thermal treatment to form a coating material containing B and Co on a surface of the lithium-transition metal oxide, to a positive electrode active material prepared by the preparation method and having a coating material containing a particular content of Co, to a positive electrode, containing the positive electrode active material, for a lithium secondary battery, and to a lithium secondary battery.

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Номер записи: 4
26-01-2012 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY AND LITHIUM SECONDARY BATTERY USING SAME

Номер: WO2012011785A3
Автор: KIM, Jik Soo, CHOI, Moon Ho, CHOI, Dong Gui, YU, Jong Ryeol
Принадлежит:

The present invention provides a method for manufacturing anode active material for a lithium secondary battery and anode active material for a lithium secondary battery manufactured thereby, comprising the following steps: a) simultaneously mixing in a reactor a first metallic salt aqueous solution including nickel, cobalt, manganese, and selectively a transition metal, a chelating agent, and a basic aqueous solution, and mixing and firing with a lithium raw material for manufacturing a core portion including the compound of Chemical Formula 1 below [Chemical Formula 1] Lix1[Ni1-y1-z1-w1Coy1Mnz1Mw1]O2 (where, in the above formula, 0.9≤x1≤1.3, 0.1≤y1≤0.3, 0.0≤z1≤0.3, 0≤w1≤0.1, and M is at least one metal selected from Mg, Zn, Ca, Sr, Cu, Zr, P, Fe, Al, Ga, In, Cr, Ge, and Sn); b) simultaneously mixing in a reactor a second metallic salt aqueous solution including nickel, cobalt, manganese, and selectively a transition metal, the chelating agent, and the basic aqueous solution, mixing and ...

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Номер записи: 5
12-10-2018 дата публикации

FILLER MANUFACTURING METHOD FOR RECOVERING NEGLECTED ROCK MOUNTAIN

Номер: KR1020180112392A
Автор: YOO, JONG YEOL, LEE, YOUNG RAN
Принадлежит:

The present invention relates to a filler manufacturing method for recovering a neglected rock mountain. According to an embodiment of the present invention, the filler manufacturing method for recovering a neglected rock mountain comprises a first mixing step (S1), a second mixing step (S2), a third mixing step (S3), a grinding step (S4), a fourth mixing step (S5), and a fifth mixing step (S6). The filler manufacturing method for recovering a neglected rock mountain of the present invention can minimize environmental pollution. COPYRIGHT KIPO 2018 (AA) Grinding step (BB) Fourth mixing step (S1) First mixing step (S2) Second mixing step (S3) Third mixing step (S6) Fifth mixing step ...

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Номер записи: 6
25-04-2013 дата публикации

METHOD FOR TRANSMITTING A DOWNLINK SIGNAL IN A BASE STATION COOPERATIVE WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS FOR SAME

Номер: WO2013058468A1
Автор: SEO, Hanbyul, CHOI, Wan, KIM, Dongin, RYU, Jongyeol
Принадлежит:

The present invention relates to a method for determining a precoding matrix for downlink signal transmission in a base station cooperative wireless communication system. In particular, the method includes the steps of: a first base station receiving from a first terminal first channel information between the first base station and the first terminal, and second channel information between a second base station and the first terminal; the first base station transferring the first channel information and the second channel information to the second base station; the first base station determining a first precoding matrix for a first channel which maximizes the efficiency of transmission to the first terminal; and the second base station determining a second precoding matrix for a third channel between the second base station and the first terminal in order for a signal transmitted from the second base station to the first terminal to be arranged in an area where a signal transmitted from ...

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Номер записи: 7
06-06-2019 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARING METHOD THEREFOR, POSITIVE ELECTRODE, COMPRISING SAME, FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Номер: WO2019074305A3
Автор: KIM, Won Tae, SHIN, Sun Sik, YOON, Yeo June, PARK, Hong Kyu, KANG, Seong Hoon, YU, Jong Yeol
Принадлежит:

The present invention relates to a method for preparing a positive electrode active material, the method comprising the steps of: mixing a nickel-containing hydroxide precursor containing 65 mol% or more of nickel relative to the total number of moles of transition metals and a lithium raw material, followed by primary thermal treatment, to prepare a nickel-containing lithium transition metal oxide; mixing a B and C-containing raw material and a Co-containing raw material with the nickel-containing lithium transition metal oxide to form a mixture; and subjecting the mixture to secondary thermal treatment to form a coating material containing B and Co on a surface of the lithium-transition metal oxide, to a positive electrode active material prepared by the preparation method and having a coating material containing a particular content of Co, to a positive electrode, containing the positive electrode active material, for a lithium secondary battery, and to a lithium secondary battery.

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Номер записи: 8
07-10-2010 дата публикации

MULTIPLE DATA STREAM TRANSMISSION METHOD AND APPARATUS IN RELAY SYSTEM

Номер: KR2010114344A2
Автор: KIM, Dong-In, CHOI, Wan, RYU, Jong-Yeoul, SEO, Han-Byul, KIM, Byoung-Hoon
Принадлежит:

The present invention relates to a data transmission/receiving method and apparatus for overcoming interference between multiple data streams, by relaying only part of multiple data streams that are received from a source node during collaborative data transmission employing relay nodes. The multiple data stream transmission method of the present invention comprises: receiving a plurality of data streams from a source node; decoding the plurality of data streams received; selecting a portion of the successfully decoded data streams; encoding the selected portion of the data streams; and sending the encoded data stream portion to a destination node.

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Номер записи: 9
26-01-2012 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL PRECURSOR IN LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL PRECURSOR IN LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY, AND METHOD FOR PREPARING LITHIUM METAL COMPOSITE OXIDE USING THE ANODE ACTIVE MATERIAL PRECURSOR AND LITHIUM METAL COMPOSITE OXIDE FOR ANODE ACTIVE MATERIAL IN LITHIUM SECONDARY BATTERY PREPARED THEREBY

Номер: KR2012011760A2
Автор: KIM, Jik Soo, CHOI, Moon Ho, KO, Kwang An, SHIN, Jong Seung, CHOI, Dong Gui, YU, Jong Ryeol
Принадлежит:

The present invention provides a method for manufacturing a anode active material precursor in a lithium secondary battery, comprising the following steps: (a) preparing a nickel cobalt composite oxide by coprecipitation by mixing with a solution a mixed metal solution, which comprises compounds including nickel and compounds including cobalt, an ammonia aqueous solution as a complexing agent, and an alkaline aqueous solution which provides a hydroxyl group as a pH controlling agent; (b) introducing a metal element M to the nickel cobalt composite oxide prepared from the step (a), wherein the anode active material precursor in the lithium secondary battery is represented by Chemical Formula 1 below, and wherein the lithium metal composite oxide for the anode active material in the lithium secondary battery is represented by Chemical Formula 2 below. [Chemical Formula 1] [Ni1-y-zCoyMz](OH)2 (where in the Chemical Formula 1, M is a group 13 metal element and is one or a combination of two ...

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Номер записи: 10
19-05-2017 дата публикации

다중안테나 릴레이 시스템의 멀티 데이터 스트림 송수신 방법 및 장치

Номер: KR0101737834B1
Автор: 최완, 유종열, 김동인, 서한별, 김병훈
Принадлежит: 엘지전자 주식회사, 성균관대학교산학협력단

... 본 발명은 다중안테나 릴레이 시스템의 멀티 데이터 스트림 송수신 방법 및 장치에 관한 것으로서, 다중안테나 릴레이 통신 시스템에서 제1 데이터와 제2 테이터를 포함하는 멀티 데이터 스트림(multiple data stream)을 송수신하는 방법에 있어서, 소스 노드 또는 릴레이 노드로부터 소스 노드와 릴레이 노드 간의 채널 정보를 수신하는 단계; 채널 추정을 통하여 소스 노드와 목적지 노드의 채널 정보 및 릴레이 노드와 목적지 노드의 채널 정보를 획득하는 단계; 상기 획득된 채널 정보를 바탕으로 상기 제1 데이터 및 제2 데이터의 전송률을 계산하여 최적의 프리코딩(precoding) 행렬을 결정하는 단계; 및 상기 결정된 최적의 프리코딩 행렬 성분을 상기 소스 노드로 피드백하는 단계를 포함한다.

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Номер записи: 11
07-10-2010 дата публикации

MULTIPLE DATA STREAM TRANSMISSION METHOD AND APPARATUS IN RELAY SYSTEM

Номер: WO2010114344A3
Автор: KIM, Dong-In, CHOI, Wan, RYU, Jong-Yeoul, SEO, Han-Byul, KIM, Byoung-Hoon
Принадлежит:

The present invention relates to a data transmission/receiving method and apparatus for overcoming interference between multiple data streams, by relaying only part of multiple data streams that are received from a source node during collaborative data transmission employing relay nodes. The multiple data stream transmission method of the present invention comprises: receiving a plurality of data streams from a source node; decoding the plurality of data streams received; selecting a portion of the successfully decoded data streams; encoding the selected portion of the data streams; and sending the encoded data stream portion to a destination node.

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Номер записи: 12
26-01-2012 дата публикации

METHOD FOR MANUFACTURING ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY MANUFACTURED THEREBY AND LITHIUM SECONDARY BATTERY USING SAME

Номер: KR2012011785A2
Автор: KIM, Jik Soo, CHOI, Moon Ho, CHOI, Dong Gui, YU, Jong Ryeol
Принадлежит:

The present invention provides a method for manufacturing anode active material for a lithium secondary battery and anode active material for a lithium secondary battery manufactured thereby, comprising the following steps: a) simultaneously mixing in a reactor a first metallic salt aqueous solution including nickel, cobalt, manganese, and selectively a transition metal, a chelating agent, and a basic aqueous solution, and mixing and firing with a lithium raw material for manufacturing a core portion including the compound of Chemical Formula 1 below [Chemical Formula 1] Lix1[Ni1-y1-z1-w1Coy1Mnz1Mw1]O2 (where, in the above formula, 0.9≤x1≤1.3, 0.1≤y1≤0.3, 0.0≤z1≤0.3, 0≤w1≤0.1, and M is at least one metal selected from Mg, Zn, Ca, Sr, Cu, Zr, P, Fe, Al, Ga, In, Cr, Ge, and Sn); b) simultaneously mixing in a reactor a second metallic salt aqueous solution including nickel, cobalt, manganese, and selectively a transition metal, the chelating agent, and the basic aqueous solution, mixing and ...

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Номер записи: 13
02-04-2020 дата публикации

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Номер: WO2020067830A1
Автор: KIM, Won Tae, YU, Jong Yeol, HA, Seoung Chul, SHIN, Sun Sik
Принадлежит:

The present invention provides a method for producing a positive electrode active material for a secondary battery, the method comprising: a step for preparing a lithium-complex transition metal oxide which contains nickel (Ni), cobalt (Co), and manganese (Mn), the content of nickel (Ni) being 60 mol% or more with respect to the total content of transition metals; and a step for dry mixing and heat treating the lithium-complex transition metal oxide, MgF2 as a fluorine (F) coating source, and a boron (B) coating source to form a coating part on the surfaces of the lithium-complex transition metal oxide particles. In addition, the positive electrode active material produced in this way includes: a lithium-complex transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn); and a coating part formed on the surfaces of the lithium-complex transition metal oxide particles, wherein the lithium-complex transition metal oxide contains 60 mol% or more of nickel (Ni) with respect ...

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Номер записи: 14
02-01-2020 дата публикации

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, CATHODE COMPRISING SAME FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

Номер: WO2020004988A1
Автор: KIM, Won Tae, YU, Jong Yeol, HA, Seoung Chul, SHIN, Sun Sik, PARK, Hong Kyu, KANG, Seong Hoon
Принадлежит:

The present invention provides a cathode active material for lithium secondary battery, the cathode active material being a lithium composite transition metal oxide comprising transition metals including nickel (Ni), cobalt (Co), and manganese (Mn), wherein: the lithium composite transition metal oxide is doped with doping elements including cobalt (Co) and titanium (Ti); the lithium composite transition metal oxide comprises at least one lithium layer and at least one transition metal layer containing the transition metals; and the lithium layer and the transition metal layer are alternatively arranged, the lithium layer having a thickness of 2.146-2.182Å, the transition metal layer having a thickness of 2.561-2.595Å.

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Номер записи: 15
28-12-2016 дата публикации

METHOD TO MANUFACTURE SOUNDPROOF PLATE FIXING BRACKET

Номер: KR101687937B1
Автор: RYU, SOON YEOL, YU, GAP YEOL, YU, CHUNG YEOL, YU, JONG YEOL, PARK, SUN OK
Принадлежит: YU, GAP YEOL, RYU, SOON YEOL, YU, CHUNG YEOL, YU, JONG YEOL, PARK, SUN OK

The present invention relates to a method to manufacture a soundproof plate fixing bracket using a soundproof plate manufacturing device comprising: a turntable; a placement bed arranged on an upper edge of the turntable in a circumferential direction to place a workpiece; and a processing part placed on the placement bed to process a washer and a fixing cap, transferred with the placement bed, through the rotation of each turntable. More specifically, the manufacturing method comprises: a first step of placing the fixing cap in the placement bed, placed on the turntable, through a fixing cap supply part; a second step of placing the washer in the fixing cap, placed in the placement bed transferred by the rotation of the turntable, through a washer supply part after the first step; a third step of combining the washer with the fixing cap by bending an end of the fixing cap, placed on the placement bed transferred by rotation of the turntable, through a mold of a bending part after the second ...

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Номер записи: 16
13-02-2017 дата публикации

APPARATUS FOR MANUFACTURING SOUNDPROOF PLATE FIXING BRACKET

Номер: KR101702814B1
Автор: RYU, SOON YEOL, YU, GAP YEOL, YU, CHUNG YEOL, YU, JONG YEOL, PARK, SUN OK
Принадлежит: YU, GAP YEOL, RYU, SOON YEOL, YU, CHUNG YEOL, YU, JONG YEOL, PARK, SUN OK

The present invention relates to an apparatus for manufacturing a soundproof plate fixing bracket, comprising a turntable, receipt beds radially arranged at regular intervals on the border of the top surface of the turntable to receive workpieces, and a processing part placed on each of the receipt beds to process a fixing cap and a washer which are the workpieces conveyed together with the receipt beds. The processing part includes a fixing cap supply unit placing the fixing cap on the receipt bed of the turntable, a washer supply unit placing the washer on a stepped portion formed on the inner circumference of the fixing cap, a bending unit bending, inward, the edge where the washer is placed to combine the fixing cap and the washer, and a discharge unit discharging a finished product. The fixing supply unit, the washer supply unit, the bending unit, and the discharge unit are sequentially installed in a direction in which the turntable rotates. The apparatus according to the present ...

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Номер записи: 17
14-08-2017 дата публикации

METHOD FOR PREPARING MOISTURE REDUCING AGENT BY USING ALUMINUM DROSS

Номер: KR101767620B1
Автор: YOO, JONG YEOL, LEE, YOUNG RAN
Принадлежит: GSR CORPORATION

The present invention relates to method for preparing a moisture reducing agent by using aluminum dross. According to an embodiment of the present invention, the method for preparing a moisture reducing agent by using aluminum dross is used to stably process the aluminum dross and minimize the secondary environmental damage and contamination due to resource extraction and resource processing operations. The method includes: a first mixing step; a second mixing step; a reaction step; and a third mixing step. COPYRIGHT KIPO 2017 (S1) First mixing step (S2) Second mixing step (S3) Reacting step (S4) Tertiary mixing step ...

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Номер записи: 18
21-07-2011 дата публикации

METHOD FOR PREPARING A POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY HAVING A CONCENTRATION-GRADIENT LAYER AND FOR PREPARING A POSITIVE ACTIVE MATERIAL USING A BATCH REACTOR, AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY AND POSITIVE ACTIVE MATERIAL PREPARED BY THE METHOD

Номер: KR2011087309A2
Автор: YU, Jong Ryeol, CHOI, Seung Phil, SHIN, Kyung, CHOI, Moon Ho
Принадлежит:

The present invention relates to a method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive active material using a batch reactor, and to a positive electrode active material precursor for a lithium secondary battery and positive active material prepared by the method. The method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive electrode active material using a batch reactor involves supplying a predetermined amount of chelating agent to the batch reactor, and simultaneously supplying a transition metal while continuously adjusting the concentration of the transition metal such that the concentration-gradient layer can be formed from a core to a shell of the positive electrode active material in a more economically advantageous and stable manner, and at the same time a ...

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Номер записи: 19
16-02-2012 дата публикации

METHOD AND DEVICE FOR TRANSMITTING/RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM SUPPORTING RELAY NODE

Номер: WO2012020917A1
Автор: KIM, Dongin, CHOI, Wan, RYU, Jongyeol, KIM, Byounghoon, SEO, Hanbyul
Принадлежит:

The present invention relates to a method and a device for transmitting/receiving data in a wireless communication system supporting a relay node in a wireless communication system. The method for transmitting data from a base station according to one embodiment of the present invention comprises: a step for generating a first code word by bit concatenating and encoding a first data regarding a user equipment to data regarding relay node; a step for generating a second code word by encoding a second data regarding the user equipment; and a step for transmitting the first code word to the relay node and the second code word to the user equipment.

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Номер записи: 20
15-01-2015 дата публикации

BROADCASTING METHOD USING DEVICE-TO-DEVICE (D2D) COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2015005540A1
Автор: CHOI, Wan, RYU, Jongyeol, KIM, Dongin, SEO, Hanbyul, KIM, Byounghoon, SONG, Hojin
Принадлежит:

Disclosed is a method in which a base station (BS) transmits information to a plurality of terminals in a wireless communication system. Specifically, the method comprises the steps of: dividing the plurality of terminals into two or more groups according to a channel state of each of the BS and the plurality of terminals and a channel state between the plurality of terminals; and broadcasting the information to a first group among the two or more groups, wherein the first group transmits the information to another group among the two or more groups through D2D communication.

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Номер записи: 21
21-07-2011 дата публикации

METHOD FOR PREPARING A POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY HAVING A CONCENTRATION-GRADIENT LAYER AND FOR PREPARING A POSITIVE ACTIVE MATERIAL USING A BATCH REACTOR, AND POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR A LITHIUM SECONDARY BATTERY AND POSITIVE ACTIVE MATERIAL PREPARED BY THE METHOD

Номер: KR2011087309A9
Автор: YU, Jong Ryeol, CHOI, Seung Phil, SHIN, Kyung, CHOI, Moon Ho
Принадлежит:

The present invention relates to a method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive active material using a batch reactor, and to a positive electrode active material precursor for a lithium secondary battery and positive active material prepared by the method. The method for preparing a positive electrode active material precursor for a lithium secondary battery having a concentration-gradient layer and for preparing a positive electrode active material using a batch reactor involves supplying a predetermined amount of chelating agent to the batch reactor, and simultaneously supplying a transition metal while continuously adjusting the concentration of the transition metal such that the concentration-gradient layer can be formed from a core to a shell of the positive electrode active material in a more economically advantageous and stable manner, and at the same time a ...

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Номер записи: 22
29-08-2013 дата публикации

METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS ACCESS SYSTEM AND APPARATUS FOR SAME

Номер: WO2013125766A1
Автор: RYU, Jongyeol, CHOI, Wan, KIM, Dongin, SEO, Hanbyul
Принадлежит:

Disclosed are a method for transmitting and receiving data in a wireless access system supporting relay nodes, and an apparatus for same. In particular, the present invention comprises: a broadcast phase for receiving an acknowledgement (ACK) signal from a first terminal and a negative acknowledgment (NACK) signal from a second terminal, after a base station transmits first data to the first terminal by using a first precoding vector (w1, B), and second data to the second terminal by using a second precoding vector (w2, B); a listening phase for receiving an ACK signal from the first terminal and a NACK signal from the second terminal, after the base station transmits second data to the first and second terminals by using a third precoding vector (wL); and a cooperative phase for the base station to transmit the second data to the second terminal, in cooperation with the first terminal, by using a fourth precoding vector (wC) which has been chosen for maximizing the transmission efficiency ...

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Номер записи: 23
23-08-2018 дата публикации

HIDDEN MARK DETECTION DEVICE AND CONFIDENTIAL FILE LEAKAGE PREVENTION SYSTEM INCLUDING SAME

Номер: KR1020180094459A
Автор: YANG, DONG MIN, LEE, MIN HO, YOO, JONG YEOL, JUNG, KUH HYUN
Принадлежит:

Disclosed are a detection device for detecting a hidden mark included in a confidential file produced in an internal network and a confidential file leakage prevention system for preventing a confidential file from being leaked to an external network by using the detection device. According to an embodiment of the present invention, the confidential file leakage prevention system comprises a plurality of user terminals located on an internal network and a detection device. Each of the user terminals adds a predetermined hidden mark (herein, the length of the hidden mark is k, and k is a natural number equal to or greater than two) to a confidential file which is at least a part of a plurality of files stored in the user terminals, and divides a file to be outputted to an external network into at least one packet corresponding to a corresponding file to output the divided file to the external network. In addition, the detection device analyzes each of first to N^th packets corresponding ...

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Номер записи: 24
29-08-2013 дата публикации

METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS ACCESS SYSTEM AND APPARATUS FOR SAME

Номер: WO2013125767A1
Автор: RYU, Jongyeol, CHOI, Wan, KIM, Dongin, SEO, Hanbyul
Принадлежит:

Disclosed are a method for transmitting and receiving data in a wireless access system supporting relay nodes, and an apparatus for same. In particular, the present invention comprises the steps of: sending a request for a retransmission to an adjacent second terminal, in case the recovery of data from a first signal received from a base station fails due to interference by the second terminal adjacent to a first terminal; the first terminal receiving a second signal from the second terminal; and the first terminal recovering data from the first signal, using the second signal, wherein the base station schedules a terminal other than the first and second terminals at the point of transmitting the second signal.

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Номер записи: 25
15-02-2017 дата публикации

중계기 지원 무선 통신 시스템에서 데이터 송수신 방법 및 장치

Номер: KR0101706960B1
Автор: 김동인, 최완, 유종열, 김병훈, 서한별
Принадлежит: 엘지전자 주식회사, 성균관대학교산학협력단, 한국과학기술원

... 본 발명은 무선 통신 시스템에 대한 것으로, 보다 상세하게는 중계기를 지원하는 무선 통신 시스템에서 데이터를 송수신하는 방법 및 장치가 개시된다. 본 발명의 일 실시예에 따른 기지국에서 데이터를 전송하는 방법은, 중계기에 대한 데이터에 단말에 대한 제 1 데이터를 비트 연결(concatenation)하여 함께 인코딩하여 제 1 코드워드를 생성하는 단계; 상기 단말에 대한 제 2 데이터를 인코딩하여 제 2 코드워드를 생성하는 단계; 및 상기 제 1 코드워드를 상기 중계기에게 전송하고 상기 제 2 코드워드를 상기 단말에게 전송하는 단계를 포함할 수 있다.

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Номер записи: 26