Samsung Electronics Co., Ltd.

Postech Foundation

Skhynix Inc.

Hynix Semiconductor Inc.

Postech Academy-industry Foundation

Nokia Technologies Oy

Sung-Eun Park

Jae-Yoel Kim

Seung-Hoon Choi

Chi-Woo Lim

Dong-seek Park

Hong-Sil Jeong

Gyu-Bum Kyung

Kyeong-Cheol Yang

Se-Ho Myung

Jae-Weon Cho

Song-Nam Hong

Hyun-Koo Yang

Dong-Seek Park

Thierry Lestable

Ho-Kyu Choi

Su-Ryong Jeong

Tae-Young Kim

Pan-Yuh Joo

Hyun-Kyu Yu

Sung-ryul Yun

Ji-Ho Jang

Min-Cheol Kang

Jae-Yeol Kim

Hyung-Hwan Kim

Seung-Seok Pyo

Seong-Su Lim

Joon-Young Cho

Ju-Ho Lee

Hyun-Jeong Kang

Young-Bin Chang

Young-Bum Kim

Jung-Je Son

Sung-Jin Lee

Young-Ho Kim

Ji-Yun Seol

Hyoung-Kyu Lim

June Moon

Mi-Hyun Lee

Zheng Zhao

Eun-Taek Lim

Sung-Ryul Yun

Chang-Yoon Oh

Shuangfeng Han

Jeong-Eun Kim

Min-Woo Yoo

Young-Kyun Kim

Jae-Sam Youn

Sie-Joon Cho

Soon-Mi Cho

Jae Yoel Kim

Gyu Bum Kyung

Byoung-Soo Lee

Dae-Kwon Jung

Wook-Jin Lee

Chang-Seok Bae

Sang-Chun Park

Chang-Ok Lim

Sung-Soo Jun

Pah-Yuh Joo

Jae-Uk Ahn

Jong-Chun Wee

An electronic device is disclosed including a housing including an outer wall, an inner, and a first through hole formed in the inner space, an audio module located in the inner space, a support structure located in the inner space between the audio module and the first through hole and including a second through hole; and a waterproof structure located in the inner space between the support structure and the outer wall including a flexible gasket. The gasket may include an outer rim, a recess portion moveable between the first through hole and the second through hole, and a connection portion between the rim and the recess portion, including at least one opening around the recess portion, such that the opening and the second through-hole form a sound path between the audio module and the first through-hole in the absence of pressure from an external liquid.

Electronic device including waterproof structure

A wearable electronic device may include: a housing including a front plate, a rear plate, and a side member surrounding an inner space between the front plate and the rear plate, wherein the side member includes at least one portion including an external opening and an inner channel connecting between the inner space and the external opening: an insulating structure inserted into the inner channel; a conductive path partially embedded in the insulating structure, wherein the conductive path includes a first end exposed to the inner space and a second end exposed to the external opening; at least one printed circuit board positioned in the inner space and electrically connected to the first end of the conductive path; a display exposed through the front plate; and a band structure connected to the portion of the housing and configured to be mounted on a portion of a human body. The band structure may include a conductive rod movably inserted into the external opening and electrically connected to the second end of the conductive path, and an electronic component at least partially embedded in the band structure and electrically connected to the conductive rod. Other various embodiments may also exist.

Wearable electronic device including band

An electronic device is provided. The electronic device includes a housing including a first surface facing in a first direction, a second surface facing in a second direction opposite to the first direction, and a side surface surrounding at least a part of a space between the first surface and the second surface, an opening formed on at least one of the first surface, the second surface, or the side surface, a first channel extended from the opening, a second channel connected to at least a part of the first channel and extended to an inner space of the housing, an audio mounted inside the housing and connected to the opening through the first channel, a first member inserted into the first channel, and a second member inserted into the second channel, for allowing and restricting introduction and discharge of air into and from the inner space of the housing.

Electronic device

An apparatus and a method segment an allocated resource in data transmission in a wireless communication system. When a size of transmission data is large, the data information bit is distributed to one or more forward error correction (FEC) blocks with consideration of a size of the data information bit. A number of data tones is determined based on control information with respect to each of the one or more FEC blocks. The data information bit distributed to the one or more FEC blocks is mapped into a data tone with consideration of the number of data tones determined for each of the one or more FEC blocks.

Apparatus and method for resource segmentation in wireless communication system

A system and method for processing a block Low Density Parity Check (LDPC) code are provided. The system includes, a decoding apparatus for decoding a block LDPC code using a parity check matrix, the parity check matrix including an information part and a parity part, the parity part including a first section (B) including a plurality of first permutation matrices, a second section (D) including a second permutation matrix, a third section (T) including a plurality of identity matrices (I) arranged diagonally within the third section and a plurality of third permutation matrices arranged below the plurality of identity matrices, and a fourth section (E) including a fourth permutation matrix.

Apparatus and method for coding/decoding block low density parity check code in a mobile communication system

A Synchronization Channel (SCH) transmission method includes generating a Primary SCH (P-SCH) sequence according to supplementary information. The supplementary information includes at least one of Base Station (BS) type information, Fast Fourier Transform (FFT) size information, BandWidth (BW) information, group information, sector information, and carrier type information. The method also includes modulating the P-SCH sequence and mapping the modulated P-SCH sequence to subcarriers within a predefined subcarrier set. The subcarriers are included in the subcarrier set being spaced one subcarrier interval apart. The method further includes generating a P-SCH symbol by Orthogonal Frequency Division Multiplexing (OFDM)-modulating the P-SCH sequence mapped to the subcarriers, and transmitting the P-SCH symbol.

Apparatus and method for generating synchronization channel in a wireless communication system

An apparatus and method for reducing a Peak to Average Power Ratio (PAPR) of a Secondary Advanced (SA) preamble in a wireless communication system are provided. A method for transmitting an SA preamble includes determining an SA preamble, constructed in a unit of subblocks, according to a frequency band to be used for transmitting information, determining a sequence for reducing a PAPR of the SA preamble in consideration of at least one of a frequency band, a segment IDentifier (ID), and the number of antennas transmitting the SA preamble, updating the SA preamble using the determined sequence, and transmitting the updated SA preamble to a receive end.

Apparatus and method for transmitting preamble in a wireless communication system

A semiconductor device includes a plurality of first conductive patterns separated by a damascene pattern, a second conductive pattern buried in the damascene pattern, and a spacer including an air gap between the second conductive pattern and the first conductive patterns.

Semiconductor device and method for fabricating the same

An apparatus and method support various system bandwidths in a broadband wireless communication system. A Mobile Station (MS) operation includes determining a system bandwidth through a primary preamble for frame synchronization, which a Base Station (BS) transmits. A Fast Fourier Transform (FFT) size, the number of guard subcarriers, and the number of used subcarriers corresponding to the system bandwidth are determined using a first table. An operation parameter of a modem is set according to the FFT size, the number of guard subcarriers, and the number of used subcarriers.

Apparatus and method for supporting various system bandwidths in a broadband wireless communication system

A method and an apparatus for uplink power control using a ranging signal in a wireless communication system are provided. The method includes transmitting ranging channel information to a pico Base Station (BS), receiving power control information on a macro terminal from the pico BS, controlling a transmit power strength for the macro terminal based on the power control information, and instructing the macro terminal to control a transmit power to the controlled strength.

Method and apparatus for uplink power control using ranging signal in wireless communication system

An apparatus and method for initial ranging in a wireless communication system including a heterogeneous network. An operation of a terminal includes selecting a serving cell considering a biased value of a base station applying range expansion. The operation also includes receiving ranging code classification information and threshold information associated with the serving cell. The operation further includes, if a channel quality with the serving cell is less than the threshold, selecting one a plurality of poor-expected-ranging codes indicated by the ranging code classification information, and performing initial ranging using the selected poor-expected-ranging code.

Method and apparatus for initial ranging in wireless communication system including heterogeneous network

A method and apparatus for Convolutional Turbo Coding (CTC), and an apparatus for a turbo encoder are provided. The method for CTC includes the steps of encoding information bits A and B using a constituent encoder, and outputting parity sequences Yand W, interleaving the information bits A and B using a CTC interleaver to obtain information bits C and D, and encoding the interleaved information bits C and D using the constituent encoder to obtain parity sequences Yand W, interleaving the information bits A and B, the parity sequences Yand Wand the parity sequences Yand W, respectively, wherein the bits in at least one of a bit group constituted of the information bits A and B, a bit group constituted of the sequences Yand W, and a bit group constituted of the sequences Yand Ware alternately mapped to bits of constellation points with high reliability and low reliability and puncturing the interleaving result to obtain the encoded bit sequences.

Convolutional turbo coding method and device for implementing the coding method

A Base Station (BS) includes an apparatus is configured to reduce a MAP overhead in a broadband wireless communication system. The BS operation method for reducing an overhead in a broadband wireless communication system includes transmitting control information for initial transmission and changing first information among the control information transmitted at the initial transmission into second information needed at a retransmission time when there is a retransmission request for the initial transmission. The BS also transmits control information for retransmission including the second information.

Method and apparatus for reducing map overhead in a broadand wireless communication system

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Seoul, South Korea

Sung-Eun Park