Company Filing History:
Years Active: 2009-2012
Title: The Innovations of Jae-Ho Roh
Introduction
Jae-Ho Roh is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of technology, particularly in the area of ultra-wideband (UWB) devices and low-density parity-check (LDPC) decoders. With a total of seven patents to his name, Roh's work has had a substantial impact on modern communication systems.
Latest Patents
One of Jae-Ho Roh's latest patents is an ultra-wideband device for the detection and avoidance of UWB signals. This invention includes a method that involves shifting a data signal by a desired frequency in one direction, filtering the shifted data signal through a notch filter, and then shifting the filtered data signal back by the desired frequency in the opposite direction. The UWB terminal designed by Roh comprises an encoder for encoding data signals, a tone nulling unit, an inverted fast Fourier transformer, a low pass filter, a filter circuit, and a radio frequency (RF) circuit for transmitting the filtered signal.
Another notable patent is a method for updating a check node in a low-density parity-check decoder. This method includes transmitting log-likelihood ratio (LLR) messages from variable nodes to multiple check nodes, decomposing the LLR messages into node messages for each check node, and updating each check node using a modified function based on the node messages.
Career Highlights
Jae-Ho Roh is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate and develop cutting-edge technologies. His work at Samsung has allowed him to be at the forefront of advancements in communication technology.
Collaborations
Throughout his career, Roh has collaborated with talented individuals such as Yun-young Kim and Young-Chai Ko. These collaborations have further enhanced the quality and impact of his inventions.
Conclusion
Jae-Ho Roh's contributions to technology through his patents and work at Samsung Electronics Co., Ltd. highlight his role as a leading inventor in the field. His innovative solutions in ultra-wideband devices and low-density parity-check decoders continue to shape the future of communication technology.