Nan Tu

Title: Innovations by Inventor Nan Tu

Introduction

Nan Tu is a notable inventor based in San Jose, California. He has made significant contributions to the field of technology, particularly in the area of access networks and gain control systems. With a total of 2 patents, his work has had a meaningful impact on the industry.

Latest Patents

Nan Tu's latest patents include a "Technique for determining carrier-to-noise ratio of selected channels in an access network." This technique involves measuring the background noise level on a selected channel during a time when no network nodes are transmitting signals. It also includes measuring the signal strength during a time when a network node is transmitting. The carrier-to-noise ratio (CNR) value is then calculated based on these measurements, providing a reliable method for assessing channel quality.

Another significant patent is the "Method and apparatus for a router line card with adaptive selectable gain control." This invention describes a system for calibrating a line card that includes a gain control circuit and a memory device. The gain control circuit adjusts the output signal based on input and adjustment signals, ensuring that the adjusted amplitude converges with a nominal amplitude value. This innovation enhances the performance and reliability of router line cards.

Career Highlights

Nan Tu is currently employed at Cisco Technology, Inc., where he continues to develop innovative solutions in networking technology. His expertise and contributions have positioned him as a valuable asset to the company.

Collaborations

Throughout his career, Nan Tu has collaborated with talented individuals such as Charles J. Naegeli and Hungsan Chen. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Nan Tu's work exemplifies the spirit of innovation in technology. His patents reflect a commitment to improving network performance and reliability. His contributions will undoubtedly continue to influence the field for years to come.