Dennis Ray Schaefer

Title: Dennis Ray Schaefer: Innovator in Wireless Communication Technology

Introduction

Dennis Ray Schaefer is a notable inventor based in Buffalo Grove, IL (US). He has made significant contributions to the field of wireless communication, particularly in the area of Code Division Multiple Access (CDMA) systems. His innovative work has led to the development of a unique method that enhances the efficiency of communication systems.

Latest Patents

Schaefer holds a patent for a "Method and apparatus for pseudo-random noise offset reuse in a multi-sector CDMA system." This invention focuses on the reuse of pseudo-random noise (PN) offsets within a cell of a wireless communication system. By employing adaptive antenna arrays, the invention forms multiple sector areas within the CDMA cell. A forward link data channel is established between a mobile unit and a base station via sectors that share or reuse common PN offsets, thereby providing desirable transmit diversity.

Career Highlights

Dennis Ray Schaefer has had a distinguished career at Motorola Corporation, where he has been instrumental in advancing wireless communication technologies. His work has not only contributed to the company's success but has also had a lasting impact on the industry as a whole.

Collaborations

Throughout his career, Schaefer has collaborated with talented individuals such as Ron Rotstein and Yuda Yehuda Luz. These partnerships have fostered innovation and have played a crucial role in the development of new technologies.

Conclusion

In summary, Dennis Ray Schaefer is a prominent inventor whose work in wireless communication has paved the way for advancements in the field. His patent on pseudo-random noise offset reuse demonstrates his commitment to improving communication systems.