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Digital Control of RF Power Amplifiers for Next-Generation Wireless

Summary: Digital Control of RF Power
Amplifiers for Next-Generation Wireless
Lawrence Larson, Peter Asbeck, and Donald Kimball
Center for Wireless Communications,
University of California, San Diego, La Jolla, CA, USA.
Future generations of wireless communications are ex-
pected to place increasing burdens on the efficiency and
linearity of power amplifiers, due to the use of more
complex waveforms and OFDM. This has implications
for the design of transmitters in portable/mobile devices
as well as base stations and access points. Although
semiconductor device technology has made rapid pro-
gress in fundamental power amplifier transistor perform-
ance, the use of digital signal processing techniques to
optimize the linearity and efficiency provides enormous
potential for further improvement (especially on the
handset side). This paper will summarize the digital tech-


Source: Asbeck, Peter M. - Department of Electrical and Computer Engineering, University of California at San Diego


Collections: Engineering