A pulse-modulated polar transmitter using direct digital synthesis for 5G NR mobile applications

YH Chen, TH Wang, SC Lin, JH Chen… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
This brief presents a pulse-modulated polar transmitter using direct digital synthesis (DDS)
for 5G NR mobile phone applications. In contrast to the conventional radio-frequency …

A modified all-digital polar PWM transmitter

MT Pasha, MFU Haque, J Ahmad… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents an all-digital polar pulsewidth modulated (PWM) transmitter for wireless
communications. The transmitter combines baseband PWM and outphasing to compensate …

Baseband model for uniformly sampled RF-PWM

F Chierchie, GJ González, JI Morales… - … on Circuits and …, 2020 - ieeexplore.ieee.org
A baseband model for a polar RF modulator based on uniform sampling (US) pulse width
modulation (PWM) is presented. RF-PWM allows to encode a complex baseband signal …

Table‐based PWM for all‐digital RF transmitters

JI Morales, F Chierchie, PS Mandolesi… - … Journal of Circuit …, 2019 - Wiley Online Library
In this paper, a novel pulse‐width modulator (PWM) for an all‐digital PWM transmitter based
on switching amplification is presented. In this approach, each symbol is represented by a …

Aliasing-compensated polar PWM transmitter

MFU Haque, MT Pasha… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This brief presents a novel pulse-width modulation (PWM) transmitter architecture that
compensates for aliasing distortion by combining PWM and outphasing. The proposed …

FPGA implementation and evaluation of a PWM-based RF modulator

JI Morales, F Chierchie, PS Mandolesi… - … on Automatic Control …, 2018 - ieeexplore.ieee.org
In this paper we present a modulator for an all-digital pulse-width modulated (PWM)
transmitter based on switching amplification. In this approach, each symbol is represented …

High dynamic range pseudo–two‐level digital pulse‐width modulation for power‐efficient RF transmitters

A Arian, A Jannesari - International Journal of Circuit Theory …, 2019 - Wiley Online Library
Radio frequency (RF) power amplification based on pulse‐width modulation (PWM) has
been widely discussed as a potential solution to achieve higher efficiency in RF transmitters …

Pulse-Width Modulated RF Transmitters

MFU Haque - 2017 - diva-portal.org
The market for wireless portable devices has grown significantly over the recent years.
Wireless devices with ever-increased functionality require high rate data transmission and …

A 2.7-GHz multi-level PWM carrier-bursting RF transmitter

P Singerl, C Schuberth, M Mataln… - 2015 10th European …, 2015 - ieeexplore.ieee.org
Carrier-bursting is an attractive RF transmitter concept to achieve high efficiency. The power
amplifier (PA) itself either operates at its peak efficiency or is turned off. Another efficiency …

A Soft-Defined Pulse Width Modulation Approach—Part I: Principles

S Caporale, F Pareschi, V Cambareri… - … on Circuits and …, 2015 - ieeexplore.ieee.org
In this work a novel pulse width modulation (PWM) scheme is presented consisting of a
mixed digital-analog implementation. The aim of this approach is to obtain maximum …