This inventor holds 3 USPTO granted patents. Top assignees: Telefonaktiebolaget Lm Ericsson (Publ), Ericsson Ge Mobile Communications Inc.. Active years: 1995-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 27,011 
1 out of 131 
Years Active: 1995-1997
Title: Ulf E Hagstrom: Innovator in Cellular Communications
Introduction
Ulf E Hagstrom is a notable inventor based in Täby, Sweden. He has made significant contributions to the field of cellular communications, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of communication systems.
Latest Patents
One of Ulf E Hagstrom's latest patents is related to transceiver site selection in a cellular communications system. This invention outlines a method for determining the optimal location for a new micro base station antenna. The process involves using a test antenna at a designated location to monitor mobile stations' access attempts. By measuring the signal strength of these attempts, the system can decide whether to establish a new micro base station based on a predetermined count value.
Another significant patent addresses the control of radio communications system base stations. This invention introduces a method for managing transceivers based on their call state. It aims to reduce power consumption by switching off idle transceivers while prioritizing service to high-priority subscribers. This innovative approach enhances the operational efficiency of base stations.
Career Highlights
Ulf E Hagstrom has worked with prominent companies in the telecommunications industry, including Telefonaktiebolaget LM Ericsson and Ericsson GE Mobile Communications Inc. His experience in these organizations has contributed to his expertise in developing advanced communication technologies.
Collaborations
Throughout his career, Ulf has collaborated with notable professionals such as Magnus B Isaksson and Hakan O Djuphammar. These partnerships have likely enriched his work and led to innovative solutions in the field.
Conclusion
Ulf E Hagstrom's contributions to cellular communications through his patents and career achievements highlight his role as an influential inventor. His innovative methods for optimizing communication systems continue to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile