Company Filing History:
Years Active: 2000-2004
Title: The Innovations of Norman P. Secord
Introduction
Norman P. Secord is a notable inventor based in Ottawa, Canada, recognized for his contributions to mobile communication technology. With a total of nine patents to his name, Secord has made significant advancements in the field of CDMA systems.
Latest Patents
Among his latest patents is the "Synchronization channel with cyclic hierarchical sequences and method for cell site search with low detector complexity." This invention involves a CDMA system where base stations transmit a synchronization channel that includes a primary subchannel for slot synchronization and a secondary subchannel containing a unique cyclic hierarchical code for each base station. This innovation allows mobile stations to quickly determine slot synchronization and base station identification with low complexity.
Another significant patent is the "Power control of a multi-subchannel mobile station in a mobile communication system." This invention features a closed-loop power control apparatus within a base station that manages multiple physical channels from a mobile station in a DS-CDMA communication system. The apparatus includes Rakes for separating code-subchannels and devices for estimating the Signal-to-Interference-plus-Noise Ratio (SINR) for each subchannel, enabling efficient power control for mobile stations.
Career Highlights
Secord has spent a considerable part of his career at Nortel Networks Corporation, where he has been instrumental in developing innovative communication technologies. His work has significantly impacted the efficiency and effectiveness of mobile communication systems.
Collaborations
Throughout his career, Secord has collaborated with notable colleagues, including Leo L. Strawczynski and Wookwon Lee. These collaborations have further enhanced the development of advanced communication technologies.
Conclusion
Norman P. Secord's contributions to mobile communication technology through his patents and work at Nortel Networks Corporation highlight his role as a key innovator in the field. His inventions continue to influence the way mobile communication systems operate today.