Shang-Chieh Liu

Title: Inventor Spotlight: Shang-Chieh Liu

Introduction

Shang-Chieh Liu, a notable inventor based in Jubel, Taiwan, has made significant contributions to the field of digital communication. With a keen focus on enhancing frequency synchronization methods, Liu has developed innovative solutions that optimize radio communication systems, particularly within cellular networks.

Latest Patents

Shang-Chieh Liu holds a patent for a groundbreaking invention titled "Method and apparatus for frequency synchronization in a digital transmission system." This patent addresses the detection of frequency synchronization bursts for radio communication systems, like GSM cellular telephone networks. The methodology employs a two-stage correlation process, where the first stage involves a set of correlations to identify the receipt of the frequency synchronization burst. A preliminary identification is achieved by analyzing the moving average of the initial correlations, normalized for received power, against a threshold value over several contiguous samples. Upon reaching this preliminary identification, a second set of correlations is executed to confirm the detection, further enhancing the reliability of the synchronization process.

Career Highlights

Liu's career is marked by his commitment to advancing telecommunications technology. His work at MediaTek Corporation showcases his expertise in the digital communications domain. Through innovative approaches, he has contributed to the development of robust communication systems that benefit millions of users worldwide.

Collaborations

Throughout his career, Shang-Chieh Liu has collaborated with talented colleagues, including Wei-Nan Sun and Ho-Chi Hwang. These partnerships have fostered a collaborative environment that drives innovation and leads to groundbreaking advancements in digital transmission methodologies.

Conclusion

Shang-Chieh Liu stands out as an accomplished inventor whose contributions to frequency synchronization in digital transmission systems reflect his deep understanding of telecommunications. His patent not only signifies a milestone in his career but also serves as a vital component in enhancing the reliability and efficiency of modern wireless communication networks. Liu’s ongoing work continues to inspire future innovations in the ever-evolving field of technology.