Dr. Schwengler is a principal architect and wireless strategist at Lumen Technologies, where he researches and deploys a broad range of wireless systems and services. He has held positions as director of RF engineering at Qwest wireless, senior staff engineer at US WEST Advanced Technologies, and research engineer at France Telecom R&D. His specialty is electromagnetic field and wave theory applied to wireless communications. Current research interests include radio propagation and performance modeling, beamforming and MIMO field measurements, and the physical layer of 4G and 5G LTE.
He has a M.S. and Ph.D. in electrical engineering from the University of Colorado, Boulder, and an engineering degree from Supélec, France.