Compensating Power Amplifier Distortions on Radar Signals via Waveform Design

Coordinate Descent (CD); M-ary Phase Shift Keying (MPSK); Memory Polynomials; Optimization; Power Amplifier (PA); Waveform Design; Amplifier distortion; Coordinate descent; Distortion effects; M-ary phase shift keying; Memory polynomial; Optimisations; Power amplifier; Waveform designs; Computer Networks and Communications; Signal Processing; Instrumentation

Abstract :

[en] This paper aims to study the distortion effect of Power Amplifiers (PAs) on radar waveforms in terms of Integrated Sidelobe Level in Single Input and Single Output (SISO) radar systems. To this end, we consider Memory Polynomial (MP) model as behavior of the PA which considers both non-linearity and memory distortions. Then, we consider minimizing the auto-correlation of the PA output in the baseband as a design metric for compensating the distortion effect of the PA. In this regard, we proposed an algorithm based on Coordinate Descent (CD) method to design an M-ary Phase Shift Keying (MPSK) waveform, which is a discrete phase waveform. Finally, in the numerical results, we evaluate the performance of the proposed method and compare it with Digital Predistortion (DPD) method as a conventional approach for compensating the distortion effect of PA.

Disciplines :

Computer science

Author, co-author :

RAEI, Ehsan ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust > SPARC > Team Bhavani Shankar MYSORE RAMA RAO

ALAEE, Mohammad ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC

Bhavani Shankar, M.R.; University of Luxembourg, Interdisciplinary Centre for Security, Reliability and Trust (SnT), Luxembourg

OTTERSTEN, Björn ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)

External co-authors :

yes

Language :

English

Title :

Compensating Power Amplifier Distortions on Radar Signals via Waveform Design

Publication date :

2023

Event name :

2023 IEEE Radar Conference (RadarConf23)

Event place :

San Antonia, Usa

Event date :

01-05-2023 => 05-05-2023

Main work title :

RadarConf23 - 2023 IEEE Radar Conference, Proceedings

Publisher :

Institute of Electrical and Electronics Engineers Inc.

ISBN/EAN :

978-1-66543-669-4

Peer reviewed :

Peer reviewed

Additional URL :

http://xplorestaging.ieee.org/ielx7/10149457/10149458/10149753.pdf?arnumber=10149753

Funders :

AESS
Continental Electronics
et al.
IEEE
Lincoln Laboratory, Massachussets Institute of Technology
Lockheed Martin

Funding text :

This work was supported by Luxembourg National Research Fund (FNR) through CORE SPRINGER project under Grant C18/IS/12734677, and in part by European Research Council under Grant AGNOSTIC (ID: 742648).

Available on ORBilu :

since 24 November 2023

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