Hyung Min Chang

Title: Hyung Min Chang: Innovator in Wireless Positioning Technologies

Introduction

Hyung Min Chang is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of wireless positioning technologies, holding 2 patents that showcase his innovative approach to solving complex problems in this domain.

Latest Patents

Chang's latest patents include a "Wireless positioning server using clock offset calibration positioning method using the same" and a "Sequential transmission multi-beamforming method with low complexity using Hadamard matrix." The first patent focuses on a wireless positioning server that effectively predicts the distance between a beacon and a tag requiring position information. This innovation minimizes errors in positioning estimation by compensating for clock offsets through the measurement of relative clock frequency ratios. The second patent presents a multi-beamforming apparatus and method that reduces hardware complexity by utilizing a simple codebook based on the Hadamard matrix. This approach maximizes diversity gain and systematically generates beamforming weighted vectors.

Career Highlights

Throughout his career, Hyung Min Chang has worked with esteemed organizations such as the Electronics and Telecommunications Research Institute and Soongsil University. His experience in these institutions has allowed him to develop and refine his innovative ideas in wireless technologies.

Collaborations

Chang has collaborated with notable colleagues, including Won Cheol Lee and Mun Geon Kyeong. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Hyung Min Chang's work in wireless positioning technologies exemplifies his commitment to innovation and problem-solving. His patents reflect a deep understanding of the challenges in the field and offer practical solutions that enhance positioning accuracy and reduce complexity.