Yhean-Sen Lai

Title: The Innovations of Yhean-Sen Lai: A Pioneer in Multi-Channel Communication Technology

Introduction

Yhean-Sen Lai, an accomplished inventor based in Warren, NJ, has made significant contributions to the field of communication technology. With an impressive portfolio of 33 patents, Yhean-Sen has been instrumental in developing cutting-edge solutions, particularly in satellite broadcast applications and multi-carrier modulation strategies.

Latest Patents

Among his recent innovations is a groundbreaking patent for a multi-channel receiver with improved Automatic Gain Control (AGC). This advanced receiver is designed specifically for satellite broadcast applications, providing enhanced control over signal reception. The design includes a primary AGC loop that governs an analog sub-receiver, which concurrently receives multiple signals. The incorporation of multiple digital demodulators allows for effective demodulation of these signals. Furthermore, the use of secondary AGC loops for each signal caters to variations in signal strengths, significantly reducing dropout occurrences.

Another notable patent addresses timing-frequency and carrier-frequency offset estimations for multi-carrier modulated signals utilizing pilot tones. This innovation enables demodulators to effectively calculate phase angles for dual pilot tones, providing an accurate timing-frequency offset estimate essential for optimizing signal quality.

Career Highlights

Yhean-Sen Lai has worked for reputable companies, including Agere Systems Inc. and Agere Systems Guardian Corp., where he honed his skills and contributed to significant advancements in communication technologies. His inventive prowess is exemplified by the numerous patents he has secured, underscoring his expertise in the industry.

Collaborations

Throughout his career, Yhean-Sen has collaborated with talented professionals such as Zhenyu Wang and Kannan Rajamani. This teamwork has facilitated the development of innovative solutions and has enriched the knowledge base in their field.

Conclusion

Yhean-Sen Lai stands out as a prominent figure in the realm of inventions related to multi-channel communication technology. His extensive patent portfolio not only signifies his innovative capabilities but also highlights his contributions towards improving satellite communications. With each breakthrough, he continues to pave the way for advancements in the industry, solidifying his legacy as a distinguished inventor.