High Efficiency Load Modulation Power Amplifiers For Wireless Communications
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High-Efficiency Load Modulation Power Amplifiers for Wireless Communications
This cutting-edge resource presents a complete and systematic overview of the practical design considerations of radio frequency (RF) high efficiency load modulation power amplifiers (PA) for modern wireless communications for 4G and beyond. It provides comprehensive insight into all aspects of load modulation PA design and optimization not only covering design approaches specifically for passive and active load modulation operation but also hybrid with dynamic supply modulation and digital signal processing algorithms required for performance enhancement. Passive load impedance tuner design, dynamic load modulation PA, active load modulation PA and Doherty PA design for efficiently enhancement are explained. Readers find practical guidance into load modulation PA design for bandwidth extension, including video bandwidth enhancement techniques, broadband dynamic load amplifiers, topology selection, design procedures, and network output. This book presents the evolution and integration of classical load modulation PA topologies in order to meet new challenges in the field.
RF Power Amplifiers for Wireless Communications
Author: Steve C. Cripps
language: en
Publisher: Artech House Microwave Library
Release Date: 1999
Learn how to tackle a power amplifier (PA) design with confidence and save time in determining the cause of malfunctioning hardware with this guide to the theory and practice of RF PA design for modern communications systems. Written for practicing RF/MW engineers and wireless system designers, this pioneering resource explores a new and unified approach to the classification of higher (Class F and Class D) amplifier modes based on overdrive considerations. RF Power Amplifiers for Wireless Communications contains the most complete survey of RF PA efficiency enhancement and linearization techniques in a single volume.
Recent Technical Developments in Energy-Efficient 5G Mobile Cells
This book addresses the true innovation in engineering design that may be promoted by blending together models and methodologies from different disciplines, and, in this book, the target was exactly to follow this approach to deliver a new disruptive architecture to deliver these next-generation mobile small cell technologies. According to this design philosophy, the work within this book resides in the intersection of engineering paradigms that includes “cooperation”, “network coding”, and “smart energy-aware frontends”. These technologies will not only be considered as individual building blocks, but re-engineered according to an inter-design approach resulting in the enabler for energy efficient femtocell-like services on the move. The book aims to narrow the gap between the current networking technologies and the foreseen requirements that are targeted at the future development of the 5G mobile and wireless communications networks in terms of the higher networking capacity, the ability to support more users, the lower cost per bit, the enhanced energy efficiency, and adaptability to new services and devices (for example, smart cities, and the Internet of things (IoT)).