Jia-Ru Li

Title: Innovations and Contributions of Inventor Jia-Ru Li

Introduction

Jia-Ru Li is a notable inventor based in San Jose, CA (US). He has made significant contributions to the field of wireless communication, holding a total of 5 patents. His work focuses on improving communication systems, particularly in challenging environments such as those encountered by fast-moving trains.

Latest Patents

One of Jia-Ru Li's latest patents is titled "Method and system of admission control for wireless train communication system." This invention discloses a method and apparatus for admission control in a wireless train communication system utilizing Time Division Multiple Access (TDMA). The system identifies neighboring devices that use the same time slot and employs frequency and location information to determine whether to grant access to the time slot. Another embodiment of this invention uses receive signal strength information for admission control instead of distance information.

Another significant patent is the "System and method of frequency offset compensation for radio system with fast Doppler shift." This invention addresses the challenges of frequency offset compensation in a wireless system involving a fast-moving radio terminal, such as a locomotive. The method utilizes advanced frequency offset prediction techniques to quickly track Doppler Shift caused by the locomotive's speed. The prediction is based on various derivatives of coarse frequency offsets and previous frequency offsets according to a Doppler shift model.

Career Highlights

Jia-Ru Li has worked with several prominent companies in the technology sector. He has been associated with Lilee Systems, Ltd and Extreme Networks, Inc., where he has contributed to the development of innovative communication solutions. His expertise in wireless systems has made him a valuable asset in these organizations.

Collaborations

Throughout his career, Jia-Ru Li has collaborated with talented professionals, including Shehzad T Merchant and Manish M Rathi. These collaborations have further enhanced his work and contributions to the field of wireless communication.

Conclusion

Jia-Ru Li's innovative patents and career achievements highlight his significant impact on wireless communication technology. His work continues to influence advancements in the industry, showcasing the importance of innovation in addressing modern communication challenges.