Carl Cao

Title: **Innovative Contributions of Carl Cao in Radio Access Technologies**

Introduction

Carl Cao, an accomplished inventor based in San Jose, CA, holds an impressive portfolio of seven patents. His work primarily spans the realms of radio access technologies, contributing significantly to advancements in communication systems.

Latest Patents

Carl's recent patents focus on novel methods and systems for enhancing the efficiency of radio access technologies. One notable patent is for the "Sharing of Physical Random Channel Resources among Different Radio Access Technologies". This invention outlines a method, system, and apparatus for sharing physical random access channel (PRACH) resources between New Radio (NR) and Long Term Evolution (LTE) radio access technologies. Central to this innovation is a network node that processes a PRACH signal from a wireless device, correlating it with a set of orthogonal sequences shared among the two different radio access technologies. The system can determine the operational status of the wireless device based on this correlation.

Another significant patent by Carl addresses "Inter-Radio Access Technology Interference Coordination for Multi-Standard Radio Access Networks". This invention focuses on coordinated interference suppression in communication systems. The method operates across two distinct radio access technologies implemented by separate base stations, allowing effective communication despite potential interference from user equipment accessing either technology.

Career Highlights

Carl Cao has made substantial contributions while working with notable companies in the tech industry. He has held positions at Telefonaktiebolaget Lm Ericsson (publ) and Rockstar Bidco, LP, where he was instrumental in developing technologies enhancing radio communications and network efficiencies.

Collaborations

Throughout his career, Carl has collaborated with accomplished peers such as Xiao-Dong Li and Haseeb Akhtar. Their joint efforts have propelled advancements in radio access technologies, fostering innovative solutions to complex communication challenges.

Conclusion

With a solid portfolio of patents and a successful career in leading technology companies, Carl Cao continues to be a driving force in enhancing radio access technologies. His contributions not only advance the field but also provide a foundation for future innovations in communications engineering.