Location History:
- Minneapolis, MN (US) (2005 - 2006)
- Minnetonka, MN (US) (2007 - 2023)
Company Filing History:
35 out of 2,313 
1 out of 11,326 
1 out of 37 
Years Active: 2005-2023
Title: Georgios B Giannakis: Innovating in MIMO OFDM Systems
Introduction:
Georgios B Giannakis, based in Minnetonka, MN, is a prolific inventor and researcher who has made significant contributions to the field of wireless communication systems. With a remarkable portfolio of 33 patents, Giannakis has dedicated his career to advancing techniques for carrier frequency offset (CFO) and channel estimation in multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems.
Patents and Technological Breakthroughs:
Among his latest patents, Giannakis has developed innovative techniques for estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems. This technology addresses the challenges posed by frequency-selective fading channels, allowing for improved wireless communication.
The patented methods incorporate the use of training symbols within blocks of information-bearing symbols and the application of a hopping code to insert null subcarriers at different positions within each block. By forming these distinct blocks of symbols, the wireless transmitter can accurately estimate CFO and channel conditions to enhance the decoding process. The receiver then outputs a stream of estimated symbols based on the obtained results, leading to improved overall system performance.
Giannakis' patents continue to drive advancements in the field of wireless communication systems, offering solutions for complex challenges faced in MIMO OFDM transmissions.
Collaborations and Organizational Affiliations:
Throughout his career, Georgios B Giannakis has collaborated with talented individuals in academia and research institutions. Notably, he has worked at the University of Minnesota, where he continues to contribute to advancements in wireless communication technologies. His affiliation with the National Science Foundation (NSF) highlights his dedication to fostering innovation through grants and funding support.
In his pursuit of advancing wireless communication technologies, Giannakis has collaborated with accomplished colleagues such as Xiaoli Ma and Shengli Zhou. These collaborations have undoubtedly contributed to his groundbreaking research and patent developments.
Conclusion:
Georgios B Giannakis has established himself as a pioneering inventor in the field of MIMO OFDM systems. With an impressive 33 patents to his name, his innovative techniques for estimating frequency-offsets and multi-antenna channels have significantly improved the performance and reliability of wireless communication.
Through his affiliations with prestigious institutions like the University of Minnesota and the National Science Foundation, Giannakis continues to push the boundaries of wireless technology, offering revolutionary solutions for the challenges faced in this rapidly evolving field.