Kyoung-Jae Lee

Title: Kyoung-Jae Lee: Innovator in Mobile Communication Technology

Introduction

Kyoung-Jae Lee is a distinguished inventor based in Seoul, South Korea, recognized for his contributions to the field of mobile communication systems. With a total of two patents to his name, Lee is pushing the boundaries of technology, particularly in enhancing communication systems' efficiency and effectiveness.

Latest Patents

Kyoung-Jae Lee's innovative spirit is exemplified in his latest patents. The first patent, titled "Filter of Repeater for Mobile Communication System," introduces an intermediate frequency (IF) filter designed for mobile communication systems. This invention optimizes the use of a normal cyclic prefix (CP) of 4.7 microseconds by minimizing delays caused by the IF filter in radio frequency (RF) repeaters, specifically in long-term evolution (LTE) orthogonal frequency-division multiple access (OFDMA) systems.

His second patent, "Method and Apparatus for Decomposing Channel in Closed-Loop Multiple Input Multiple Output Communication System," provides an apparatus designed to decompose channels within a closed-loop MIMO communication system. This innovative device uses a transmitter that precedes input symbols with a first matrix, which is a product of a unitary matrix, a diagonal matrix, and a blockwise Uniform Channel Decomposition (UCD) matrix.

Career Highlights

Kyoung-Jae Lee has built an impressive career in the telecommunications industry, having worked with reputable companies such as Kisan Telecom Co., Ltd. and Samsung Electronics Co., Ltd. His experience at these organizations has equipped him with the knowledge and skills necessary to develop cutting-edge technologies that enhance mobile communication.

Collaborations

Throughout his career, Lee has collaborated with notable professionals in the industry, including Gyu-Yong Kim and Young-Woan Ahn. These collaborations have contributed to the advancement of various projects and enhanced the outcomes of his innovative efforts.

Conclusion

Kyoung-Jae Lee's dedication to innovation in mobile communication technology is evident through his patents and career achievements. His work continues to influence advancements in communication systems, ensuring that mobile technology remains at the forefront of modern innovation.