Samsung Electronics Co., Ltd.

Chung Ang University Industry Academic Cooperation

Korea Advanced Institute of Science and Technology

Yonsei University

Lg Chem, Ltd

Kt Corporation

Industry-Academic Cooperation Foundation

Information and Communications University, Research and Industrial Cooperation Group

Joo-Hyun Lee

Sang-Boh Yun

Sung-Soo Hwang

Young-Kyung Ahn

Jong-Ho Lee

Ho Jun Kim

Bo-Ran Lee

Young-Hoon Kwon

Min-Seung Song

Sung-Yoon Jung

Seong-Eun Lee

Mi-Na Kwag

Soon-Young Yoon

Jong-Hyeuk Lee

Ki-Young Han

Yong-Soo Cho

Jae-Kwon Kim

Hye-Mi Hong

June Moon

Keun-Chul Hwang

Suk-Seung Hwang

Seung-Hee Han

Ha-Young Yang

Soong-Yoon Choi

Tae-Ho Im

Yong-Seok Kim

Jae-Jin Lee

Kyung-Ho Park

Jun Young Lee

Yoon-Ho Khang

Sung-Hwan Kim

Sung-Kwon Jo

Song Chong

Dae-Sik Hong

Kyo-yeol Lee

Jong-yun Yun

Myoung-Seok Kim

Yajun Kou

Young-Bin Chang

Jung-Je Son

Yung-Soo Kim

Sunghwan Kim

Hyun-Cheol Park

Jong-in Kim

Young-Ki Kim

Jang-Soon Kim

Eun-Hye Lee

Tak-Ki Yu

Hoon-Dong Noh

Byung-kyu Lee

Ji-young Lee

Chungyong Lee

Keon-Kook Lee

Myung-Kwang Byun

Chung-Yong Lee

Jong-Soo Seo

Min-sun Lee

Seo-Young Yoon

Jin-Ghoo Choi

Yu-Shin Kim

Hyun-Il Yoo

Joonhyuk Kang

Sang-Hwan Kim

Sung-Chan Park

Ik-Beom Lee

Yung Yi

Won-Suk Choi

Ji-Hyun Lee

Chan-Oh Yoon

Oh-Soon Shin

Bong-Chan Kim

Bu-Gi Jung

Tae-Hoon Kwon

Hyung-joon Song

Kyu-suk Lee

Namseok Chang

Hyoun-Kuk Kim

Yoon-ho Khang

Beom-Yong Lee

Dong-Won Ryu

Jong-sub Cha

Ki-Hwan Jeon

Jong-Kyung Kim

Kyoung-Soo Park

Han-Na Lee

Joon-Hyuk Kang

Jaesang Ham

Kyu-Ho Son

Eun-Kyung Kwak

Yeong-Jun Kim

Kyung-Soo Woo

Won-Taek Song

Nam-Seok Chang

Jin-Yong Choi

Kyu-In Lee

Jae-jin Lee

Myoung-mee Kim

Eun-hyu Lee

Seong-il Im

Seo-Young Youn

Provided are methods of dynamically and selectively providing audio and video feedbacks in response to a voice command. A method may include recognizing a voice command in a user speech received through a user device, generating at least one of audio data and video data by analyzing the voice command and associated context information, and selectively outputting the audio data and the video data through at least one of a display device and a speaker coupled to a user device based on the analysis result.

Providing audio and video feedback with character based on voice command

The present invention provides an optical adhesive sheet including a layered structure of a first adhesive layer and a second adhesive layer, in which the first adhesive layer has a glass transition temperature of &#x2212;50&#xb0; C. to &#x2212;30&#xb0; C. and a modulus of 0.3&#xd7;10Pa to about 0.6&#xd7;10Pa, and the second adhesive layer has a glass transition temperature of &#x2212;20&#xb0; C. to &#x2212;10&#xb0; C. and a modulus of 0.7&#xd7;10Pa to 1.0&#xd7;10Pa.

Optical adhesive sheet

The present disclosure is related to a method and apparatus for channel estimation in a wireless communication system. The method and apparatus for channel estimation are used to determine a number of sub-carriers or symbols to be used to estimate N channels for N user equipment (UE)s on a basis of resource allocation information on N reference signals associated with the N UEs, estimate channel values for the N channels by receiving the N reference signals through the sub-carriers or the symbols according to the determined number, and correlate the estimated channel values to use the correlated channel values to estimate each of the N channels.

Method and apparatus for channel estimation in wireless communication system

An apparatus and a method for reserved transmission of non-real-time content in a heterogeneous network environment are disclosed. According to the present disclosure, a method for performing reserved transmission of non-real-time content in a heterogeneous network environment comprises receiving a transmission reservation option from either a mobile terminal user or a server, collecting information on networks accessible by the mobile terminal and data transmission rate on a regular basis, performing scheduling of whether to transmit data over a currently accessible network, based on the received transmission reservation option and the collected information on the accessible networks and the data transmission rate, and repeating data transmission according to the scheduling until transmission of the content is completed.

Apparatus and method for reserved transmission of non-real-time content in heterogeneous network environment

The present invention relates to performance improvement in a cell edge, particularly, to a method for selecting a precoder for a terminal in a multiple antenna system, wherein the method comprises: performing channel estimation for reference signals of a serving base station and another base station; determining a minimum singular value by using the channel estimation result; and if a complete collaborative feedback structure is used, feeding back a table of the determined, minimum singular value to the base stations.

Apparatus and method for minimizing errors by a cell edge user in a multi-cell communication system

A method of generating a signal having a converted sampling rate in a communication system is provided. The method includes selecting effective input samples among S number of input samples included in an input stream corresponding to an input sampling rate, generating a filter coefficient set including filter coefficients having a length of a second tap, the filter coefficients having the length of the second tap being generated by dividing a filter coefficient having a length of a first tap configuring a low-pass filter into the filter coefficients having the length of the second tap corresponding to a number of selected effective input samples, selecting filter coefficients corresponding to each of the effective input samples among the filter coefficients included in the filter coefficient set, and outputting output samples having an output sampling rate which is converted from the input sampling rate.

Method and apparatus for generating signal having converted sampling rate in communication system

An apparatus and method for performing distributed spatial multiplexing and distributed spatial diversity in a multi-hop relay system are provided. In the multi-hop relay system, a transmitter includes an outer coder for performing outer coding on transmission data, an outer interleaver for interleaving data received from the outer coder, an inner coder for dividing data received from the outer interleaver into a plurality of frames and performing inner coding on the divided frames, and a transmitting unit for transmitting hierarchically coded frames received from the inner coder to respective Relay Stations (RSs).

Apparatus and method for supporting distributed spatial multiplexing and distributed spatial diversity in multi-hop relay system

An apparatus and method for adaptively adjusting a target Received Signal Strength Indicator (RSSI) for Automatic Gain Control (AGC) in a full-duplex relay apparatus with an interference cancellation function. A Signal to Interference Ratio (SIR) estimation block estimates an SIR based on an interference signal estimated from a received signal and an interference-cancelled signal determined by cancelling the estimated interference signal from the received signal. A target RSSI determination block determines a target RSSI according to the estimated SIR. An AGC block adjusts a gain for the received signal based on the determined target RSSI.

Automatic gain control apparatus and method in a wireless communication system

The present invention relates to an apparatus and method for reducing the interference caused by a femtocell in a wireless communication system. The method comprises the steps of: measuring the intensity of a signal received from a terminal when the transmission mode is deactivated; and controlling the transmission mode to be activated according to the signal intensity, and thus has the advantage of decreasing the influence effects caused by the femtocell and reducing the power consumption in a femto base station.

Anti-interference apparatus and method in wireless communication system

A network entry apparatus and method for a Radio Station (RS) using full duplex in a mobile communication system are provided. The method includes performing a capability negotiation procedure including a full duplex function with a BS, performing an authentication and registration procedure with the BS, and performing an operation parameter configuration procedure including a full duplex function with the BS.

Network entry apparatus and method for relay station using full duplex in mobile communication system

Provided is a handover method of a wireless communication system using a hierarchical cellular scheme. In the method, signal quality of a serving node is measured, so that whether to start scanning for a handover is determined. When the scanning for the handover starts, signal qualities of a serving cell including the serving node and one or more neighbor cells are measured through a first preamble including a first identifier for distinguishing a cell. An intra-cell handover or an inter-cell handover is selected using the signal qualities of the serving cell and the neighbor cells. Therefore, a terminal can easily distinguish between the inter-cell handover and the intra-cell handover, and an overhead during a handover can be reduced because an intra-cell handover procedure is simplified.

Preamble design method for reducing overhead during handover in hierarchical cellular system

A resource allocation in a broadband wireless communication system is provided. An apparatus for a base station in a broadband wireless communication system includes a manager for managing resources by dividing the resources into a plurality of regions based on a maximum supportable error vector magnitude (EVM) in a frequency axis; and an allocator for allocating resources of a region other than a first region, the region having the smallest maximum supportable EVM, to a service to which a maximum modulation and coding scheme (MCS) level is not applied.

Apparatus and method for allocating resources based on error vector magnitude (EVM) in a broadband wireless communication system

A method is provided for transmitting/receiving data in a communication system. The method includes determining, when data to be transmitted to at least one Mobile Station (MS) is generated, a region where an MS that receive the generated data among the at least one MS is located, allocating resources of a data transmission region divided into a first region and a second region to the MS that receive the generated data according to the determination result, including the generated data in a region where the resource is allocated, and including, in a MAP message region, resource allocation information of the region where the data is included and information on an MS that receive the data included in the resource-allocated region, and transmitting, to the MS, a frame including the region in which the generated data is included, and the MAP message region.

Method and system for transmitting/receiving data in a communication system

An apparatus and method for compensating for a phase error in a wireless communication system are provided. The apparatus includes a reception modem, a transmission modem, a Common Phase Error (CPE) compensator, a first channel estimator, a phase compensator, and a second channel estimator. The reception modem demodulates and decodes a signal received. The transmission modem encodes and modulates a signal for transmission. The CPE compensator compensates for phase errors of at least two symbols constituting a signal. The first channel estimator estimates channels for respective bursts. The phase compensator compares phases for the channels for the respective bursts with each other and compensates for a phase difference between at least two bursts. The second channel estimator estimates an interference channel.

Apparatus and method for compensating for phase error in wireless communication system

Apparatuses and methods for transmitting and receiving in a multi-antenna system are provided. A receiver for reducing a quantization error of channel information feedback in a multi-antenna system includes a restore vector generator for selecting a codeword cand d determining a real part wand an imaginary part wof a restore vector corresponding to the codeword; and a post-processor for performing post-processing by multiplying the real part wof the restore vector by a first reception signal and multiplying the imaginary part wof the restore vector by a second reception signal.

Apparatus and method for transmitting and receiving in a multi-antenna system

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Suwon-si, South Korea

Joo-Hyun Lee