Kwon-Hue Choi

Title: Inventor Profile: Kwon-Hue Choi

Introduction

Kwon-Hue Choi is a notable inventor based in Daejeon, South Korea, recognized for his contributions to the fields of telecommunications and signal processing. With a remarkable portfolio consisting of five patents, Choi has made significant strides in enhancing communication technologies, particularly in Orthogonal Frequency Division Multiplexing (OFDM) systems.

Latest Patents

Kwon-Hue Choi's latest patents demonstrate his innovative approach to solving complex problems in communication systems. His first notable patent is for an "Apparatus and method for correcting iterative residual frequency and phase in turbo coded OFDM system." This invention provides a comprehensive solution by employing a first classifying unit to organize symbol sequences per subcarrier wave, coupled with a soft-decision calculating unit that utilizes soft-decision reliability from iterative decoding. Additionally, it includes a frequency estimating unit and a phase estimating unit to correct residual frequency and phase errors effectively, ensuring improved communication fidelity.

Another significant patent is related to a "Scrambling system and method for peak power reduction in MC-CDMA." This invention outlines an MC-CDMA scrambling system that efficiently reduces the peak-to-average power ratio (PAPR) by employing a fixed scrambling code determined by users' orthogonal code combinations. The method enhances signal processing effectiveness, facilitating better transmission and reception of multicarrier signals.

Career Highlights

Choi has built his career in esteemed organizations such as the Electronics and Telecommunications Research Institute (ETRI), where he contributed to advanced research and development in telecommunications. He has also worked with Vk Corporation, further expanding his expertise in the industry. His innovative spirit and technical prowess have positioned him as a respected inventor in his field.

Collaborations

Throughout his career, Kwon-Hue Choi has collaborated with various talented professionals, including Soo-Young Kim and Deock-Gil Oh. These partnerships have played a crucial role in his research endeavors, leading to significant advancements in telecommunications.

Conclusion

Kwon-Hue Choi's inventions reflect his deep understanding of communication technologies and signal processing. With five patents to his name, his contributions continue to influence the telecommunications industry positively. His work serves as an inspiration for future inventors seeking to push the boundaries of innovation in technology.