Henry David Pfister

Title: **Inventor Henry David Pfister: Pioneering Innovations in Wireless Communication**

Introduction

Henry David Pfister, based in San Diego, CA, is a notable inventor known for his significant contributions to the field of wireless communication. With a remarkable portfolio of 10 patents, Pfister has played a crucial role in advancing technologies that facilitate efficient peer-to-peer communications.

Latest Patents

Among his latest innovations, Pfister developed a patent titled "Signal acquisition in peer-to-peer communications." This invention includes methods and mobile stations designed to transmit, receive, and process peer-to-peer communication signals without the need for a base station or network element. It employs a novel approach where a transmitting mobile station alternates between two or more long code masks to generate pseudorandom noise (PN) codes for data transmission. The receiving mobile station can synchronize effectively with the transmitting station to enhance communication efficiency.

Another significant patent from Pfister is the "Method and apparatus for canceling pilot interference in a wireless communication system." This innovation focuses on estimating and canceling pilot interference in communication systems, specifically CDMA. The method involves processing received signals to create data samples and estimating pilot interference through a systematic series of steps, including despreading data samples and filtering pilot symbols. The accumulated estimates from multiple multipath interferences allow the derivation of pilot-canceled data samples, which are essential for effective signal demodulation.

Career Highlights

Henry David Pfister has developed his expertise while working at Qualcomm Incorporated, a leading company in semiconductor and telecommunications equipment. His work has led to vital advancements in wireless communication technology, further showcasing his status as a key inventor in the industry.

Collaborations

Throughout his career, Pfister has collaborated with talented colleagues such as Jilei Hou and John Edward Smee. These partnerships have played a pivotal role in driving innovative solutions and have contributed to Pfister's success in the field.

Conclusion

In summary, Henry David Pfister is a distinguished inventor with a significant impact on wireless communication technologies. His innovative solutions, evidenced by his numerous patents, are paving the way for enhanced peer-to-peer communication systems. As his career continues to evolve, Pfister remains a vital figure in the realm of technological advancements.