Samsung Electronics Co., Ltd.

Electronics and Telecommunications Research Institute

Hyundai Motor Company

Lotte Chemical Corporation

University-industry Cooperation Group of Kyung Hee University

Dae Ha Co., Ltd.

Hyundai Engineering Plastics Co., Ltd.

Dae-Sik Kim

Kun-ho Cho

Sung-Ha Kim

Hee-Joong Lee

Nam-Hoon Park

Sok-Kyu Lee

Hyun-Kyu Chung

Il-Gu Lee

Seung-tae Jung

Sung-ha Kim

Chul-woo Lee

Jang-hoon Yoo

Yong-Tae Kim

Ho-Cheol Lee

Soon-kyo Hong

Mi-Kyoung Kim

Seung-Que Lee

Cheol-sung Yeon

Tae-Hyung Kim

Chul-Woo Lee

Jong-Hoon Jung

Young-Il Kim

Sergey Aleksandrovich Shestak

Tae-hee Kim

Dae-Hwan Kim

Kun-Ho Cho

Young-min Cheong

Sang-kyun Im

Jae-phil Koo

Jee-Hwan Ahn

Seon-deok Hwang

Yong-tae Kim

Kun Ho Cho

Kirill Sokolov

Seong-phil Cho

Hak-Soo Kim

Dong-seob Jang

Ki-Won Lee

Jae-Ho Kim

Jin-Up Kim

Ju-seong Hwang

Sung-Yeol Kim

Gyung-chul Shin

Seung-Yong Shin

Gyu-chan Jun

Jong-Dae Park

Woo-Sug Jung

Soon-Seok Lee

Gweon-Do Jo

Sang-Won Kang

Hyun-Seo Park

Sergey Chestak

Song-In Choi

Sook-Yang Kang

Hyung-Jin Kim

Seung-Hee Kim

Sungha Kim

Kyung-Hoon Cha

Eun-Mi Choi

Jin-Kyeong Kim

Alexei Borodouline

Do-young Kwag

Choong-Ho Cho

Han-Ki Lee

Jung-Gyun Noh

Kyeong-Hoon Jang

Hyung-Deug Bae

Je-Hun Rhee

Sang-hyoun Kim

Byung-Sik Yoon

Hee-joong Lee

Tae Hee Kim

Oh-Deok Kwon

Hee-jong Lee

Sang-Chul Kwon

Hyung-Jung Kim

Seong-Chul Cho

Gyung-Chul Sihn

Deog-su Han

Jung-Sook Bae

Taehyuk Kang

Tae-Sik Lee

Im-Taek Sung

Kyung-Beom Seo

Jin-Sung Cho

Geon-Baik Lee

Beom-Ho Kim

Hyeong-Geun Oh

Kun-ho Chu

Kwang-sup Im

Suna-ha Kim

Sang-Hyun Chi

HeeJoong Lee

Sung-Min Cho

Hyun-Hwa Park

Kyung-Hoon Kim

Byung-Kook Nam

Kim Kyung-Sook

Wooin Jang

Mahn-Hoon Lee

A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.

Communication method, wireless station and communication device for receving frame using certain bandwidth and spatial stream

Power saving method in wireless communication system

The present disclosure relate to a method for operating a redox flow battery, which includes the steps of discharging the redox flow battery having an anode electrolyte and a cathode electrolyte when a volume difference between the anode electrolyte and the cathode electrolyte is within 20% of a total volume of the anode electrolyte and the cathode electrolyte, while maintaining an open circuit voltage of lower than 1.3 V/cell, and moving the anode electrolyte and/or the cathode electrolyte so that the volume difference is 2% or less between the anode electrolyte and the cathode electrolyte in the redox flow battery after the discharging.

Method for operating redox flow battery

The present disclosure relate to a method for preparing a cathode electrolyte for redox flow batteries including the steps of: forming a first cathode electrolyte by reducing vanadium pentoxide (VO) in an acidic solution in the presence of a specific reducing compound; forming a second cathode electrolyte by reducing vanadium pentoxide (VO) in an acidic solution in the presence of a linear or branched aliphatic alcohol having 2 to 10 carbon atoms; and mixing the first cathode electrolyte and the second cathode electrolyte, and to a redox flow battery including the cathode electrolyte obtained by the preparation method.

Method for preparing cathode electrolyte for redox flow batteries, and redox flow battery

A polypropylene resin composition, particularly, an olefin-based polypropylene resin composition includes: about 50 to 70% by weight of a high crystalline polypropylene; about 10 to 20% by weight of a reactor made thermoplastic polyolefin (RTPO) polypropylene; about 5 to 20% by weight of an inorganic filler; about 10 to 20% by weight of a rubber elastomer; and about 3% by weight or less of a slip agent, based on the total weight of the composition. The composition provides excellent physical properties such as high strength and impact resistance, and thus superior resistance to damage, and shows low gloss characteristics and excellent fluidity. The polypropylene resin composition is used as interior and exterior materials for vehicles.

Polypropylene resin composition and interior and exterior materials for vehicles using the same

Provided is a polypropylene resin composition. The polypropylene resin composition includes: from about 20 to about 80 parts by weight of a polypropylene resin; from about 1 to about 35 parts by weight of an amine-based kenaf master batch; and from about 1 to about 25 parts by weight of a vinyl-based acetal compatibilizer. Also disclosed is the polypropylene resin composition which is used for vehicle interior and exterior materials, thereby improving physical properties such as low-temperature properties and tensile strength and providing superior resistance against damages.

Polypropylene resin composition

A mobile communication terminal device equipped with a replaceable communication module and a back cover thereof are provided. The mobile communication terminal device includes: a host processor configured to control and operate the mobile communication terminal device; a baseband processing unit configured to process a mobile communication protocol; and a radio frequency (RF) signal processing unit configured to wirelessly communicate with a mobile communication network, wherein the host processor, the baseband processing unit and the RF signal processing unit are further configured to be implemented as modules that are attachable to or detachable from a printed circuit board (PCB) of the mobile communication terminal device.

Mobile communication terminal device equipped with replaceable communication module and back cover thereof

Disclosed are a polyolefin-based resin composition having excellent scratch resistance and low glossiness, a preparation method thereof, and automobile interior and exterior materials fabricated therefrom. The polyolefin-based resin composition comprises about 56 to 97% by weight of a polypropylene block copolymer resin, about 1 to 9% by weight of a thermoplastic elastomer rubber, about 1 to 30% by weight of an inorganic filler, and about 1 to 5% by weight of a fluoroacrylamide-based copolymer based on a total weight of the composition.

Polyolefin-based resin composition

The present invention relates to a method for establishing a connection between heterogeneous user-networks and a domain name system proxy server for controlling the same. The present invention has features of providing a method for supporting communication between user-computers included in Internet-compatible heterogeneous networks through a gateway based on an Internet public network and a domain name system proxy server for controlling the method. According to the present invention, supporting mutual communication between various networks based on one network can be expected.

Method for establishing connection between user-network of other technology and domain name system proxy server for controlling the same

Provided is an apparatus for searching accessible wireless networks in a software-defined radio (SDR) terminal, a method thereof, and a computer-readable recording medium for storing a program executing the method. The apparatus includes: a hardware platform; a network search executable code storing means for storing a network search executable code having at least one of mode search executable codes; a search shape information storing unit for storing search shape information necessary for network search; a network search control means for arranging each of the mode search executable codes from the network search executable code storing means at the hardware platform by using the search shape information from the search shape information storing means and searching a network according to a search mode by executing the arranged mode search executable codes; and a network search result storing means for storing network search results from the network search control means.

Apparatus and method for searching accessible wireless network in software defined radio terminal

Provided is a three-dimensional (3D) image display apparatus and method including: a display; a photographing unit including a camera, a first light source disposed on an axis identical to a camera axis and a second light source disposed on an axis different from the camera axis, which takes a photograph of an observer using light emitted from the first and second light sources, and generates first and second images; an eye information detection unit which detects eye information of the observer based on the first and second images and determines a position of the observer based on the detected eye information; and a 3D image adjustment unit which adjusts a 3D image, which will be displayed on the display, based on the determined position of the observer.

3D image display apparatus and method using detected eye information

The present invention relates to a device for controlling a power level to control contention between mobile terminals in an uplink contention period in an orthogonal frequency division multiplexing access (OFDMA) system, and a method thereof. In the method, cell broadcasting information broadcasted from the base station is received by the mobile terminal, the transmission power information of the base station is obtained from the cell broadcasting information by the mobile terminal, a received power level of the received cell broadcasting information is obtained by the mobile terminal, transmission power of a signal transmitted to the base station is determined based on the transmission power information and the received power level, and the signal is transmitted to a contention period based on the determined transmission power.

Method for controlling signal power level to control contention beween mobile terminals, and signal power level controller in orthogonal frequency division multiplexing system

A paging method and apparatus for minimizing power consumption under a heterogeneous wireless network environment is provided. The terminal can recognize data reception from the heterogeneous network using a CDMA2000 network having a wide service range under a heterogeneous wireless network environment terminal, and can open only necessary network interfaces at a predetermined time.

System paging method and apparatus of heterogeneous wireless networks

Growing community of inventors

Gyeonggi-do, South Korea

Dae-Sik Kim