Chang-Jun Ahn

Title: Innovator Profile: Chang-Jun Ahn

Introduction

Chang-Jun Ahn is a notable inventor based in Tokyo, Japan, with a strong portfolio of 8 patents. His contributions to the field of telecommunications and signal processing reflect his expertise and innovative thinking. Ahn's work focuses on enhancing the efficiency of transmitter and receiver apparatuses, showcasing his commitment to advancing technology.

Latest Patents

Among Chang-Jun Ahn's latest patents are significant advancements in the domains of transmitter and receiver apparatuses, as well as transmitting and receiving methods. One of his patents describes a serial-parallel converter within a transmitter apparatus that efficiently serial-parallel-converts input signals into multiple intermediate signals. These signals are then modulated using a unitary matrix modulator to isolate diagonal components, ultimately leading into an inverse Fourier transform unit that generates multiple inverse-Fourier-transformed signals. The technology he has developed ensures that the frequency differences between channels are maintained above a predetermined coherent bandwidth, which enhances the signal transmission clarity.

His receiver patent outlines an innovative method where an A/D converter transforms received signals into digital formats for detailed processing. By utilizing a zero-level detector and correlators, the system analyzes the signal intensity and selects the optimal waveform for decoding, ensuring robust communication even in varying signal conditions.

Career Highlights

Chang-Jun Ahn has made significant contributions through his tenure at prestigious organizations. He has worked with the National Institute of Information and Communications Technology, contributing substantial research and development efforts focused on information technology and telecommunications. His innovative work has positioned him as a key player in the advancement of efficient communication technologies.

Collaborations

Throughout his career, Ahn has collaborated with notable industry professionals, including Hiroshi Harada and Masayuki Fujise. These collaborations have contributed to his projects and have enhanced the innovative outcomes of his patents, showcasing the importance of teamwork in the realm of technological advancement.

Conclusion

Chang-Jun Ahn's journey as an inventor reflects a deep commitment to innovation in the fields of telecommunications and signal processing. His patent portfolio not only underscores his expertise but also highlights his contributions to advancing modern communication technologies. With continued efforts and collaboration, Ahn is poised to make lasting impacts in the tech industry.