Electronics and Telecommunications Research Institute

Inha-industry Partnership Institute

Korea Advanced Institute of Science and Technology

Lg Energy Solution, Ltd.

Jaehwan Kim

Jae Young Kim

Sangsung Choi

Cheol-Ho Shin

Mi Kyung Oh

Hyung Soo Lee

Byoung Hak Kim

Jung-yeol Oh

Woo-Key Lee

Young-Mo Kim

Jung Jae Yu

Il Kwon Jeong

Jong Sung Kim

Young Ae Jeon

Jeong-Seok Choi

Dong Kyoo Kim

Jin Ho Kim

Jae-Hean Kim

Sanghyun Joo

Dongsuk Kum

Il-Kwon Jeong

Sang Won Ghyme

Seung Sik Lee

Sangjae Lee

Hye-Mi Kim

Hyo Taeg Jung

Jae Moung Kim

Sanmin Kim

Jae-Yol Lim

Soon-Hyoung Park

Jong-Su Song

Jae Ho Hwang

Sung Jeen Jang

Nack Hyun Choi

Jong Seok Park

Seung Je Yoon

A noise reduction circuit may comprise a first circuit including at least one resistance element and a first capacitor, and connected to an analog-to-digital converter; and a second circuit connected in parallel with the first capacitor and connected to the analog-to-digital converter through one or more input/output pins, wherein the second circuit is activated or deactivated according to control of the analog-to-digital converter, so that a noise cutoff frequency generated by the first circuit and the second circuit is adjusted.

Noise reduction circuit and battery management device comprising same

Disclosed are probabilistic prediction for a motion of a lane-based surrounding vehicle and a longitudinal control method and apparatus using the same. The method includes obtaining surrounding vehicle information using a sensor, predicting a target lane of the surrounding vehicle based on the obtained surrounding vehicle information, performing future driving trajectory prediction for each target lane based on the surrounding vehicle information, and computing a probability of a collision likelihood based on a target lane and trajectory predictions of the surrounding vehicle in which future uncertainty has been taken into consideration and performing longitudinal control for collision avoidance.

Lane-based probabilistic motion prediction of surrounding vehicles and predictive longitudinal control method and apparatus

A method and apparatus of detecting a frame boundary by using a preamble are provided. The method includes delaying the preamble by a predetermined length of time, wherein the preamble includes an LTF and a code of the (n+1)th one of 2n sync sequences of the LTF is the inverse of a code of the last one of the sync sequences of STF; calculating a correlation value between the preamble and the delayed preamble; and detecting a frame boundary by comparing the correlation value with a threshold correlation value.

Method of creating preamble, and method and apparatus for detecting frame boundary

A device for supplementing a voice includes: a sensing unit sensing a bio-signal corresponding to a first vibration of vocalization and generating a first signal corresponding to the bio-signal; a vibration unit generating a second vibration using the first signal; and a power unit supplying a power to the sensing unit and the vibration unit.

Device for supplementing voice and method for controlling the same

A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.

Method of generating and receiving packets in low energy critical infrastructure monitoring system

Device for supplementing voice including sensing unit and method for controlling the same

A transmitting apparatus of a WPAN communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.

Method and apparatus for transmitting wireless personal area network communication system

An apparatus for tutoring in a convergence space of real and virtual environment, includes a character data processing unit for generating character shape and operation data of a participant or performing rendering on the character shape and operation data; a desk data processing unit for generating desk shape data or perform the rendering on the desk shape data; a voice and sound data processing unit for generating voice or sound data or outputs the voice or sound data; and a virtual space processing unit for generating real space data and providing the generated data to another participant, generating the convergence space data, or generating the character shape data, the operation data, the desk shape data, and the voice or sound data, then providing the generated data to the character data processing unit, the desk data processing unit, and the voice and sound data processing unit.

Apparatus and method for tutoring in convergence space of real and virtual environment

A receiving apparatus receives an FSK signal, converts the FSK signal into a phasor including amplitude and phase, estimates and compensates for a CFO (carrier frequency offset) from the converted phasor, and recovers a data bit from the converted phasor.

Receiving apparatus and method in smart utility network communication system

Disclosed is a method for modulating and demodulating data. The method composes symbols by grouping a plurality of symbols for pulse position modulation to newly add symbol compositions to fixed symbols used for the pulse position modulation of the related art. Further, the method uses grouped symbols to improve data transmission rate as the average amount of information increases.

Method for modulating and demodulating data

A transmission apparatus according to an exemplary embodiment of the present invention comprises a serial/parallel (S/P) converter for converting an input bit stream into a plurality of symbols each including 3 bits, a differential modulator for generating differential encoded symbols by applying &#x3c0;/4 phase rotation to each of the symbols, up-samplers for up-sampling the differential encoded symbols, filters for filtering the up-sampled symbols, digital/analog (D/A) converters for converting the filtered symbols into analog signals, and a quadrature modulator for performing quadrature modulation on the converted analog signals.

Transmission apparatus, reception apparatus, transmission method, and reception method of wireless communication system

A modulation apparatus performs modulation in which a signal wave form is positioned at the front part of an entire symbol duration or the latter part of the entire symbol duration based on a first bit of the bit information to generate a modulation symbol including a silent signal duration in which there is no signal waveform. Particularly, the method delays a signal corresponding to a quadrature-phase signal axis by a predetermined time, thereby cancelling a phase difference between symbols.

Modulation apparatus, modulation method, demodulation apparatus, and demodulation method

A method for restoration of building structure using infinity homographies calculated based on parallelograms includes: calculating, using two or more parallelograms, an infinity homography between those cameras which refer to an arbitrary camera; restoring cameras and the building structure on an affine space using the computed infinity homography and homologous points between images; and transforming the restored result onto the metric space using constraints on orthogonality of vectors joining the restored three-dimensional points, the ratio of lengths of the vectors and intrinsic camera parameters. As a result, intrinsic camera parameters, camera positions on the metric space and the structure of the building are restored. All the restoration is possible even when intrinsic camera parameters corresponding to all the images are not constant.

Method for restoration of building structure using infinity homographies calculated based on parallelograms

A modulation device uses two base signal axes including a cosine function and two base signal axes including a sine function to modulate bit information and generate a modulation symbol. Accordingly, the frequency efficiency characteristic is improved while maintaining a great power efficiency characteristic.

Modulating device and method, demodulating device and method

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Daejeon, South Korea

Jaehwan Kim