Korea Advanced Institute of Science and Technology

Wisejet Inc.

Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Korea Basic Science Institute

InnYeal Oh

Chulsoon Park

ByeongNam Ahn

Hojung Kim

Taehwan Jang

SeungYoung Park

MinChul Shin

ByoungChul Min

Hongyi Kim

SukHee Han

HyeongBeom Ju

Joongho Lee

A method of image processing in wireless channel environment comprises steps of: dividing a frame of content image data into multiple blocks defined by a line; wirelessly transmitting the multiple blocks per line by coding channels in channel coding units by defining a transmission code rate according to a wireless channel environment information; determining whether there is a channel error for each block after decoding a received data; extracting an information of an image of an errored block; determining an image error correction method suitable for the extracted information; replacing the errored block with an error-corrected block according to the determined image correction method; and performing a post processing process to eliminate visual unnaturalness between the replaced block and a neighboring block at a block boundary.

Image processing method in wireless channel environment

Disclosed is method of transmitting wireless variable AV according to channel environment, the AV format, code rate, and modulation index based on the lookup table according to the data rate. The modulation index, AV format, code rate, and output level may be adjusted step by step based on an SNR and/or a BER to provide a high quality image according to a channel environment.

Method of transmitting wireless variable AV according to channel environment

Provided are chip antennas for near field communication and methods of manufacturing the chip antennas. A chip antenna for near field communication includes a substrate; a first antenna element on the substrate; and a second antenna element on the first antenna element. The substrate, the first antenna element, and the second antenna element are included in a single chip. The first and second antenna elements are formed outside the chip. The substrate is a lower layer including a plurality of devices. The first antenna element is a metal structure having a fish bone shape. The second antenna element is a dipole antenna.

Chip antenna for near field communication and method of manufacturing the same

A spintronic wireless communication system for simultaneously modulating multiband frequencies and amplitudes includes a plurality of spin-torque transfer devices which have different frequency characteristics from each other, and OOK modulate or multi-level ASK modulate input data to thereby output a multiband OOK modulation signal or a multiband, multi-level ASK modulation signal; a plurality of matching networks which match individual impedances of the plurality of spin-torque transfer devices; and a broadband antenna which receives the multiband OOK modulation signal or the multiband, multi-level ASK modulation signal from ends of the plurality of matching networks and simultaneously transmits the signals to the outside.

Spintronic wireless communication system for simultaneously modulating multi-band frequency and amplitude

Provided is a display apparatus for receiving millimeter waves or terahertz waves from a transmitter under a non-line-of-sight condition, the apparatus including: a plurality of diversity boards that are installed in a bezel of the display apparatus, receive millimeter waves or terahertz waves having different paths, convert the received waves into a plurality of baseband signals, and sense output powers of the plurality of baseband signals; a controller to output a control signal for selecting a diversity board of a maximum output power from the output powers sensed by the plurality of diversity boards; a selector to connect the diversity board of the maximum output power among the plurality of diversity boards to an image converter by the control signal; and the image converter to convert an output of the selector into image data for displaying.

Display apparatus of receiving millimeter wave or terahertz wave under non-line-of-sight conditions and displaying method thereof

This invention is related to a wireless communication system for giga bit data rate and low power consumption, comprising a mobile communication terminal that transmits massive data to a display apparatus using a millimeter wave or terahertz wave band, a display apparatus that plays received massive data and a low speed wireless controller that controls the operation of the mobile communication terminal and the transmission of massive data from the mobile communication terminal into the display apparatus.

Growing community of inventors

Daejeon, South Korea

InnYeal Oh