Electronics and Telecommunications Research Institute

Lg Chem, Ltd

Lg Energy Solution, Ltd.

Woo-Yong Lee

Hyoung-Jin Kwon

Kap-Seok Chang

Hyun-Kyu Chung

Kyeongpyo Kim

Sung-Geun Jin

Sok-Kyu Lee

Yong-Sun Kim

Kapseok Chang

Yong Sun Kim

Jong-Suk Chae

Seung Eun Hong

Cheol-Sig Pyo

Seung-Eun Hong

Hyun Woo Lee

Hyun Jun Lee

Jae-Young Ahn

Taehyun Jeon

Hyun-Seo Oh

Hoo-Sung Lee

Chang-Sub Shin

Yoon-Mee Doh

Jin-Kyeong Kim

Se-Han Kim

Won-Chul Choi

Hyun-Tae Kim

Kyeong-Pyo Kim

Kwang-Ho Ko

Choon-Sik Yim

Byung-Heon Shin

Dong-Woon Bai

A data transmission method of a source node in a cooperative communication system includes: performing a beamforming to a relay node; transmitting data to the relay node; performing a beamforming to a destination node; and transmitting data to the destination node.

Method for transmitting and receiving data in cooperative communication system, and cooperative communication method

A method and apparatus for setting up a relay link to transfer a data frame using a relay in a wireless communication system are provided. The relay link setup method of a source STA in a wireless communication system may include receiving capability information of at least one relay supporting station included in the wireless communication system from an access point (AP) or a personal basic service set (PBSS) central point (PCP), selecting one of the at least one relay supporting station as a relay station, using beam forming information among the source station, a destination station, and the at least one relay supporting station and the capability information, transferring a relay link setup request frame to the destination station, and receiving a relay link setup response frame that includes information on a relay link setup result from the destination station. The relay link setup request frame and the relay link setup response frame may pass through the relay station.

Method and apparatus for setting up a relay link in a wireless communication system

A leveling apparatus used in a cutting process after forming process of a pouch-type secondary battery, and the leveling apparatus includes: a roller assembly having pairs of upper rollers and lower rollers arranged in at least two rows for rolling in contact with upper and lower surfaces adjacent to both rim edges of the pouch-type secondary battery; and a support frame supporting the roller assembly, wherein the roller assembly applies rolling with respect to the upper and lower surfaces adjacent to both rim edges of the pouch-type secondary battery to thereby remove stress.

Leveling apparatus for preventing curling of pouch-type secondary battery

A method of configuring a preamble of a downlink frame for synchronization in data frame transmission of a 60 GHz a wireless local area network system, the method comprising arranging a short preamble having a plurality of repetitive S symbols, and an IS symbol, and arranging a long preamble having a long cyclic prefix (CP) and a plurality of L symbols for frame synchronization and symbol timing by performing auto-correlation according to the length of window of the auto-correlation.

Preamble configuring method in the wireless LAN system, and a method for a frame synchronization

A method of configuring a preamble of a downlink frame for synchronization in data frame transmission of a 60 GHz wireless local area network system, the method comprising arranging a short preamble having a plurality of repetitive S symbols, and an IS symbol, and arranging a long preamble having a long cyclic prefix (CP) and a plurality of L symbols for frame synchronization and symbol timing by performing auto-correlation according to the length of window of the auto-correlation.

Method for sending and receiving data on a cooperative communications system and a cooperative communications method

A method for setting up a relay link to transfer a data frame using a relay in a wireless communication system. The relay link setup method of a source in the system may include receiving capability information of at least one relay supporting station included in the system from an access point or a personal basic service set central point, selecting one of the at least one relay supporting station as a relay station, using beam forming information among the source station, a destination station, and the at least one relay supporting station and the capability information, transferring a relay link setup request frame to the destination station, and receiving a relay link setup response frame that includes information on a relay link setup result from the destination station. The relay link setup request frame and the relay link setup response frame may pass through the relay station.

A method for performing a wideband short-range wireless communication which may use a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a change of a relay operation type based on a link quality between a source node and a relay node, a link quality between the relay node and the destination node, and a link quality between the source node and the destination node, transmit a relay operation change (ROC) request message in response to a determination of the change of the relay operation type, and receive an ROC response message corresponding to the ROC request message.

Wideband near field communication method

Provided is a communication method of a coordinator, the method including: receiving a relay search request frame for requesting a search for at least one relay station between a destination station and a source station; and transmitting, in response to the relay search request frame, a relay search response frame including a list of the at least one relay station so that the source station selects a target relay station from the at least one relay station.

Communication method for a coordinator, a relay device, a source device and a destination device included in a wireless network

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Daejeon, South Korea

Woo-Yong Lee