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Energy Efficient Power Amplifier Design

  • Abubakar Sadiq HussainiEmail author
  • Issa Elfergani
  • Ayman Radwan
  • Jonathan Rodriguez
  • Laurent Dussopt
  • Alexandre Giry
  • Michael Pelissier
  • Sami Aissa
  • Frederic Fraysse
  • Dany Lenox
Chapter
  • 1.5k Downloads
Part of the Signals and Communication Technology book series (SCT)

Abstract

Legacy mobile handsets already incorporate multimode features, with dual, tri and quad band functionality already the norm, and the very latest smart phone having WiFi connectivity. However, complete interoperability is still in its infancy with several hurdles still to overcome, and energy efficiency is one of them. Unless mobile handsets are smart enough to be energy aware and flexible in switching between several standards, the 5G slogan of anytime, anywhere connectivity could remain a “vision” rather than close to market. To attain true energy efficiency lays down stringent design requirements on the RF system that in today’s handset is a key consumer of power. In fact the power amplifier is the main culprit for stealing energy from the battery supply, and the reason why mobile handset become hot after a lengthy call. This effect will multiply when ubiquitous broadband connectivity becomes the standard, leading to significant research on active cooling, considering approaches similar to fan techniques in laptop and desktop devices. However, rather than trying to reduce the effects of overheating, we aim to tackle the problem at the bud, by considering energy efficient designs. In fact, this chapter is the sequel to the former that was dedicated to the study of new designs for hardware components that can provide truly flexible and energy efficient multi-standard transceivers. This chapter completes this study by focusing on energy efficient power amplifier design. We consider three innovative designs, to operate at varying operating frequencies, covering the frequency bands 400 MHz, 1,920 MHz and 3.5 GHz. The proposed RF Power Amplifiers show considerable enhancements compared to the state-of-the-art existing technologies.

Keywords

Power Amplifier Average Output Power Load Modulation Error Vector Magnitude Mobile WiMAX 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Abubakar Sadiq Hussaini
    • 1
    Email author
  • Issa Elfergani
    • 1
  • Ayman Radwan
    • 4
  • Jonathan Rodriguez
    • 4
  • Laurent Dussopt
    • 2
  • Alexandre Giry
    • 2
  • Michael Pelissier
    • 2
  • Sami Aissa
    • 3
  • Frederic Fraysse
    • 3
  • Dany Lenox
    • 3
  1. 1.Instituto de TelecomunicaçõesAveiroPortugal
  2. 2.CEA-LETIGrenobleFrance
  3. 3.CASSIDIANÉlancourtFrance
  4. 4.Instituto de TelecomunicaçõesCampus Universitário de SantiagoAveiroPortugal

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