This inventor holds 5 USPTO granted patents. Top assignees: Nokia Networks Oy, Nokia Telecommunications Oy, Nokia Corporation. Active years: 2001-2004.
Location History:
- Beijing, CN (2001)
- Fujian, CN (2001)
- Fuzhou, CN (2002)
- Helsinki, FI (2003 - 2004)
Company Filing History:
2 out of 319 
2 out of 705 
1 out of 8,283 
Years Active: 2001-2004
Title: Innovations by Jari Ryynänen
Introduction
Jari Ryynänen is a notable inventor based in Helsinki, Finland. He has made significant contributions to the field of telecommunications, particularly in improving connection quality and system capacity in cellular radio systems. With a total of 5 patents to his name, Ryynänen's work has had a substantial impact on the industry.
Latest Patents
One of his latest patents is a method of improving connection quality and system capacity in a cellular radio system. This invention discloses a system where each cell in the cellular radio network has at least one base station communicating with subscriber terminals. The method is characterized by the subscriber terminal transmitting and receiving in two time slots during one frame. Additionally, the subscriber terminal measures neighboring base stations using the time slots of the following frame. This innovative approach allows for the implementation of methods such as frequency hopping, discontinuous transmission, and power control on the traffic channels of the base station BCCH carrier wave frequency.
Another significant patent by Ryynänen is a method of facilitating transmission level measurement and a base station. In this invention, the base station moves its broadcast from one time slot to another, sending the broadcast in different time slots of successive frames. Over time, the broadcast is sent in all the time slots, enhancing the efficiency of the communication system.
Career Highlights
Throughout his career, Jari Ryynänen has worked with prominent companies in the telecommunications sector, including Nokia Networks and Nokia Telecommunications. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in mobile communication technology.
Collaborations
Ryynänen has collaborated with several professionals in his field, including Marko Silventoinen and Harri Posti. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in telecommunications.
Conclusion
Jari Ryynänen's contributions to the field of telecommunications through his innovative patents have significantly advanced the industry. His work continues to influence the development of cellular radio systems, showcasing the importance of innovation in technology.