Modulated Measurement and Engineering Systems for Microwave Power Transistors
Characterisation and Linearisation of Nonlinear Microwave Devices for Wireless Communication Systems
by Muhammad Akmal Chaudhary, Ph.D.
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AbstractThe complexity requirements of future wireless communication systems now indeed demand a more general theoretically robust design methodology for nonlinear circuits, such as the power amplifiers. The present design methodology for nonlinear Radio Frequency components and circuits has become a key hindrance in the evaluation, development and testing of modern communication systems. The fundamental nature of this engineering challenge makes it highly unlikely to be addressed within the competitive Radio Frequency industry with short-term profitability, time to market and risk aversion considerations.
The book, therefore, includes developing advanced waveform measurement setups, multi-tone measurement techniques, characterization and modelling of nonlinear distortion in microwave power transistors and design of high-power and spectrum-efficient RF power amplifiers for future wireless communication systems. Further enlists the key impediments in Power Amplifier design through the application of waveform engineering to embrace simultaneously efficiency and linearity objectives of power amplifier design as well as investigate the most robust and appropriate behavioral model formulation that includes memory effects.
About the AuthorMuhammad Akmal Chaudhary is an Associate Professor of Electrical Engineering at Ajman University, United Arab Emirates. He teaches various courses related to Electrical Engineering and conducts research in the broad field of Radio Frequency (RF) and Microwave Engineering.
Previously, he was an Assistant Professor of Electrical Engineering between October 2012 and July 2018 at Ajman University, United Arab emirates and a Postdoctoral Research Associate between October 2011 and September 2012 at the Centre for High Frequency Engineering, Cardiff University, United Kingdom. While being a Postdoctoral Research Associate, he instructed undergraduate courses and supervised MSc projects and carried out commercial work for Freescale Semiconductor, Mesuro, TriQuint Semiconductor, and National Physical Laboratory.
He received the PhD degree in Electrical and Electronic Engineering from Cardiff University, United Kingdom. For his doctoral studies, he was awarded the prestigious Engineering and Physical Sciences Research Council (EPSRC) Graduate Scholarship. He is a member of Institution of Engineering and Technology (IET) and a senior member of Institute of Electrical and Electronics Engineers (IEEE).
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