Over at least the last two decades, digital predistortion (DPD) has become the most common
and widespread solution to cope with the power amplifier's (PA's) inherent linearity-versus …

A wideband hybrid Envelope tracking (ET) modulator utilizing a hysteretic-controlled three-
level switching converter (3L-SWC) and a slew-rate enhanced linear amplifier (LA) are …

This article presents a low-complexity linearization method to compensate for multisource
nonlinear distortion in wideband envelope tracking (ET) power amplifiers (PAs) for 5G new …

This article focuses on the implementation of a linearization system for envelope tracking
(ET) power amplifiers (PAs) in field-programmable gate array (FPGA). The ET PA …

In this article, we present new approaches to synthesize physical-layer secured directional
modulation (DM) transmitters that can improve the overall energy efficiency of the system …

This chapter is devoted to the use of machine learning (ML) algorithms in digital front‐end
(DFE) with the emphasis on crest factor reduction techniques, digital predistortion (DPD) …

Envelope tracking is a well-known RF technique that alleviates the efficiency problem of
linear power amplifiers used in wireless communication transmitters. It consists in varying …

Envelope tracking (ET) is an effective way to improve the efficiency of power amplifier (PA)
for 5G communication systems. To understand the restriction of the hybrid supply modulator …

This paper presents an envelope linearization technique to compensate for the nonlinear
distortion of envelope tracking (ET) power amplifiers (PAs) for 5G new radio (NR) mobile …

A wideband hybrid envelope tracking supply modulator (HETSM) with a slew-rate-enhanced
linear amplifier (LA) is described in this work. The proposed slew-rate enhancement (SRE) …