Location History:
- Hsinchu, TW (1997)
- Keelong, TW (1998 - 2003)
- Taoyuan, TW (2007)
- Keelung, TW (2005 - 2013)
- Taipei, TW (2013)
Company Filing History:
8 out of 9,157 
4 out of 1,721 
2 out of 761 
Years Active: 1997-2013
Title: **Innovative Mind: The Patents and Contributions of Ray-Guang Cheng**
Introduction
Ray-Guang Cheng, an accomplished inventor from Keelung, Taiwan, has made significant contributions to the field of wireless communications. With a remarkable portfolio of 17 patents, Cheng has specialized in methodologies that enhance communication systems, particularly in CDMA-based channels.
Latest Patents
Among his latest patents is a groundbreaking invention titled "Methods and systems for multi-user detection in CDMA-based common channels and computer program products thereof." This innovation outlines a method for multi-user detection in CDMA channels used in base station receivers. The invention addresses the reception of signals embedded with CDMA codes, applying correlation operations to derive first correlation values. By employing a threshold to categorize the CDMA codes into distinct groups, his method incorporates interference cancellation procedures, leading to improved signal clarity and detection accuracy.
Another notable patent is focused on "Systems and methods for channel selection management in a wireless communication network." This invention introduces a system that effectively manages channel selection by storing channel conditions of various infrastructure stations and facilitating comparisons with predefined thresholds. Through this innovative approach, the system can dynamically select infrastructure stations based on real-time channel conditions, ensuring optimal communication between infrastructure and mobile stations.
Career Highlights
Cheng's career has been marked by significant roles at pivotal institutions. He has been associated with the Industrial Technology Research Institute and National Taiwan University, where he has contributed to research and development initiatives aimed at advancing technology in communication networks.
Collaborations
Throughout his career, Ray-Guang Cheng has collaborated with esteemed colleagues, including Chung-Ju Chang and Jen-Shun Yang. These partnerships have fostered an environment of innovation, enabling the development of advanced solutions in wireless communication technology.
Conclusion
Ray-Guang Cheng's extensive patent portfolio and contributions to wireless communication highlight his role as a forward-thinking inventor. His work is a testament to the impact of innovation on technology, paving the way for improved communication solutions in an increasingly connected world.