Company Filing History:
Years Active: 2012-2014
Title: **Innovator Spotlight: Sang-Bae Ji**
Introduction
Sang-Bae Ji, an accomplished inventor based in Yongin-si, South Korea, has made significant contributions to the field of wireless communication systems. With a total of two patents to his name, his work focuses on enhancing the reliability and efficiency of communication technologies.
Latest Patents
Sang-Bae Ji's latest patents showcase his innovative approach to wireless communication. The first patent, titled "Apparatus and method for estimating channel in OFDM/OFDMA based wireless communication system," introduces a method for transmitting pilots in a wireless communication system. This method includes generating two sets of pilots for two antennas, enhancing the performance of Orthogonal Frequency Division Multiplexing (OFDM) systems through precise weight calculations based on symbol indexes.
His second patent, "Apparatus and method for estimating and compensating time offset and/or carrier frequency offset in MIMO system based OFDM/OFDMA," pertains to estimating and compensating for time and frequency offsets in Multiple Input Multiple Output (MIMO) communication systems. This invention calculates phase differences of pilot signals to provide accurate compensations, ultimately improving communication reliability in OFDM systems.
Career Highlights
Sang-Bae Ji has worked with notable companies, including Seah Networks Co., Ltd. and Intellectual Discovery Co., Ltd., where he has demonstrated his expertise in wireless communication technologies. His work at these companies has allowed him to further develop his innovative ideas, contributing to advancements in the industry.
Collaborations
Throughout his career, Sang-Bae Ji has collaborated with talented individuals in his field, including coworkers Zheng Zi Li and Byung-chul Kim. These collaborations have facilitated knowledge sharing and have played a vital role in the development of his patented technologies.
Conclusion
Sang-Bae Ji's innovative contributions to wireless communication continue to make a significant impact on the industry. With his patented inventions, he is paving the way for enhanced communication systems, demonstrating that creativity and technical expertise can effectively address modern challenges in technology.