Lower Bound for the Normalized Mean Square Error in Power Amplifier Linearization
Journal article, 2018

The normalized mean square error (NMSE) is a performance criteria commonly used in power amplifier (PA) linearization to quantify the amount of in-band distortion encountered at the output of a PA. This letter presents a closed-form expression for the minimum NMSE that could be obtained in a linearization scenario. The derived expression is verified through numerical simulations and is used to compare the performance of different digital predistortion linearization schemes proposed in the literature.

power amplifier (PA)

normalized mean square error (NMSE)

nonlinearity

Linearization

nonlinear systems

Author

Jessica Chani Cahuana

Chalmers, Electrical Engineering, Communication and Antenna Systems, Communication Systems

Christian Fager

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Thomas Eriksson

Chalmers, Electrical Engineering, Communication and Antenna Systems, Communication Systems

IEEE Microwave and Wireless Components Letters

1531-1309 (ISSN)

Vol. 28 5 425-427

Subject Categories

Telecommunications

Control Engineering

Signal Processing

DOI

10.1109/LMWC.2018.2817021

More information

Latest update

5/24/2018